https://emu-online.de/ProgrammingWithSciSnap3.pdf WebQuest SG395: okm.vn/s/6Qv9 WebQuest sample: okm.vn/s/EQzf 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https://emu-online.de/ProgrammingWithSciSnap3.pdf WebQuest SG395: okm.vn/s/6Qv9 WebQuest sample: okm.vn/s/EQzf 🌻

Reads a file using the filepicker.

Creates a new sprite, a duplicate, or a permanent clone.

duplicatepermanent Clone =permanentClone duplicate new sprite=newSpritethisSpritethisSprite anotherSpritespriteNamewhat1 existingSpritesother spritesSciS_createObject(operation,sprite,spriteName)itemother spritesspritesomething wrong!create new sprite of spriteImports a stored sprite from a file selected with filepicker.

Returns "true" if JavaScript is enabled, else "false".

errorReturns "true" if the key no. n is pressed, else "false".

27Reports date and time in standard notation.

daydate10hourhour10minuteminute10secondsecond10year--T::Reports the selected part of the datetime.

seconds todayJulian Date decimal years days this year hours this year minutes this year seconds this year hours today minutes today seconds todayYYYY17MM54DD21h12m45s7lengthdaysi11402Julian Date2JDfloor365.25floor30.6001172099531121531101215821260360024Input dialog for a list of items. Click item by mouse and then ok. Returns the selected item.

thisSpritethisSprite anotherSpritetitleresult0costumecostumeheightlength2570widthlengthi1lengthwidth8length (click on it)costumecostumelightGrayfalsefalse15continuous1blacklightGray (click on it)102018truefalsei1lengthdraw2530505false281218truefalsedraw70301005falseok751218truefalseokfalse70100305oktrue0Allows reading global settings programmatically. Copied from Snap! library.

pt:o valor da configuração _ ca:paràmetre _ Stage sizeProject notes Project name User Presentation mode Language Zoom blocks Stage size Stage scale Retina display support Long form input dialog Plain prototype labels Input sliders Execute on slider change Clicking sound Turbo mode Flat design Keyboard editing Visible stepping Thread safe scripts Prefer smooth animations Flat line ends Codification support Inheritance support Hyper blocks support Visible paletteAllows changing global settings programmatically. This block is for Boolean (checkbox) settings; use SET VALUE for numeric or text values. Copied from Snap! library.

pt:altera o valor da configuração _ para _ ca:fixa el paràmetre _ a _ Turbo modePresentation mode Retina display support Long form input dialog Plain prototype labels Input sliders Execute on slider change Clicking sound Turbo mode Flat design Keyboard editing Visible stepping Thread safe scripts Prefer smooth animations Flat line ends Codification support Inheritance support Hyper blocks support draggabletruedraggable?draggable?Reports the row or column number of the row or column with the name entered, or reports an error message. If the the name is a number You can mark this with a # (e.g. #123).

columncolumn rownameSciSnap!Datatablelength0length10columnfirstlast1#n0i10lengthi100rowfirstlast1#n0i10lengthi10ERROR: something wrong!row/column ... of ... --> numberReports the row or column name of the row or column with the number entered, or reports an error message.

columncolumn row1SciSnap!Datatablelength0columnrowEvaluates the predicate with a given parameter.

ringified predicateEvaluates the intervals with a given parameter.

ringified predicateinterval3<false

falseimplies -->implies --> is equivalent to <-->trueis equivalent to <-->ERROR: something went wrong!Intervals should be of structure [leftLimit,operator1,operator2,rightLimit]

length2resultn1length

1141413<2≤3≤2<3<2<4414142<3≤2≤3<2<3<true

3231111111111212121212121212

length1length1resultn1lengthm1n1

length1length1resultn1lengthIntervals should be of structure [leftLimit,operator1,operator2,rightLimit]

11define left edge and operator44define right edge and operator

length0listOfIntervalsitemfalseReturns all elements of a list not covered by the predicate.

Returns a set only with elements in item 3 not covered by the intervals or the predicate.

result3343lst_sort(list, fn)355i1length32length305Returns all elements of a list not covered by the intervals.

Test wether the predicate is translatable to a list of intervals.

ringified predicate1comparisonOperator112text3listvalue3number2listvalue2numberfalseIntervals should be of structure [leftLimit,operator1,operator2,rightLimit]

interval1interval2intersectionlength0result1144341444341444

determines intervals1 \ intervals2

resultm1lengthn1m1

resultinterval

resultintervallength0length1predicate12i3length

2<3<

intervalsi1length

Shows the message with headline in the middle of the window.

headlinetheMessageReports a vector, built by the items.

Returns a new vector of dimension n with random elements.

3110Returns a matrix formed from the input vectors.

lengthlength1transposed?1column-vectorresultvectorlengthReturns a new nxm-matrix with random elements.

32110i1Creates the transpose of a vector, matrix, or table.

vector or matrixlength0Determines a property of a matrix or vector.

minmin max minpos maxpos number sum mean median variance standard-deviation softmaxmatrix or vectorchoice1 vectordataflattensoftmaxmedianminmaxnumbersummeanminposposY1maxposposY1variancestandard-deviationstandard-deviationERROR: unknown option!... of matrix or vectorLinear operations with scalars, vectors and matrices.

*+ - * X-*ERROR: illegal operation between numbers!linear operationvectormatrixERROR: illegal operation with a number!linear operationvectorisAtransposed?column-vectorvectortrue-true*Xlength3length3trueERROR: illegal vector operation!linear operationmatrixlengthlength*ERROR: illegal operation!linear operationvector matrix operationERROR: illegal operation!linear operationmatrixvectorERROR: illegal operation!linear operationERROR: the vector should be a column vector!linear operationmatrix vector operationmatrixmatrix matrix operation-*rowERROR: illegal operationlinear operationApplies a mapping matrix to an object that is given as a matrix of points.

matrixlist of pointsSolves a linear system of max. 50 equations.

matrixcolumn vectorcolumn-vectorlength0length1lengthbmatrixcreate matrix with attached column bsolvedtruelength50columncreate matrix with attached column bdlengthTry to solve matrixr1rowswap rowshelpnormalize row1k11k1k1diagonalizer1Reports a list of matrix A in triangle form, the rank of A, column change and column positions.

matrixlength0Aba copy of A is used to let A unchangedranklengthrow1columchangefalsecolumn positions1length1lengthlengthi1search downwardsi1search to the rightc0row1row1row-1transform to diagonal form ECalculates the coefficients of the interpolation polynomial for a 2xn-matrix of points.

list of pointslength2length12matrixcreate matrix of powers of x and y-valuesolvedtruenlength50datasortedi1j-12dlengthTry to solve matrixr1rowswap rowshelpnormalize row1k11k1k1diagonaizer1Calculates the value of a polynomial for input x.

polynomial as list of coefficients11result12i3Applies an affine transformation to a list of points.

list of points3 original points3 target pointsoktruelistlistP11P22P33Q11Q22Q33S1221221220ERROR: denominator is zeroaffine transformation of ...Reports a complex number in Cartesian form.

23Reports a complex number in polar form.

230Reports a complex number in polar or Cartesian form.

complex numberpolarpolar CartesianReports properties of complex numbers.

real-partabsolute-value real-part imaginary-part phase conjugatecomplex numberreal-partimaginary-partphaseconjugateERROR: unknown operator!... of complex numberReports arithmetic results of two complex numbers.

z1++ - * /z2complex-numbercomplex-number-polar-formcomplex-number-polar-form+-*/cnC22333223Creates a new empty costume of the specified size and color and sets local properties

thisSpritethisSprite theStage anotherSprite400300lightGrayblack gray lightGray white red orange yellow green cyan blue magentafalsefalse15SciS_MathpadAddAxes(costume,properties)costumemyPropertiescostume attributes and line attributes same as SketchPad: other attributes: - draw only ponts, not arrows - dimension of coordinate system - max. value on scales - start point of arrowsReports an empty dictionary.

This block creates new variables on the selected scope: global (for all sprites), sprite (for this sprite only) or script (only for that blocks stack) with the names given (in 'names' list). If there is already a variable with that name in that scope, it does nothing: no errors and no overwrites.

pt:cria as variáveis _ _ ca:crea les _ variables _ es:crear las _ variables _ de:erstellen _ var _ globalglobal sprite scriptReports an RGB-value specified by name, number, tree or four values, or list. Default value is gray.

grayblack gray lightGray white red orange yellow green cyan blue magentaRGB-valueRGB-value RGBA-valuelength4truetruenumbertexttrueReturns an empty costume of the given width and height with background color given as text or list.

400300lightGrayblack gray lightGray white red orange yellow green cyan blue magentaReports true if the varname is part of the scope of the sprite. the varname is not used case-sensitive!

varnamethisSpritethisSprite theStage anotherSpritevar_names(scope)spriteSets the value of an existing property or inserts it anew.

dimensionstypeOfConfiguration costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } MathPad properties={ type of data=typeOfData draw only points, not arrows=onlyPoints dimensions max value on scales=maxValue min value on scales=minValue start point for arrows=startPoint }thisSpritethisSprite theStage anotherSpritemyPropertiesReturns the value of a property.

dimensionstypeOfConfiguration costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } MathPad properties={ type of data=typeOfData draw only points, not arrows=onlyPoints dimensions max value on scales=maxValue min value on scales=minValue start point for arrows=startPoint }thisSpritethisSprite theStage anotherSpritemyPropertiesa simple way to set some costume attributes: 1: width 2: height 3: back color red 4: back color green 5: back color blue 6: left offset for MathPad position on stage 7: upper offset for MathPad position on stage 8: close-button properties

40030000truefalse15thisSpritethisSprite theStage anotherSpriteoffsetsmyPropertiesa simple way to set some MathPad attributes: 1: line width 2: draw only ponts, not arrows 3: dimension of coordinate system 4: max. value on scales 5: start point of arrows

1false3-1010-1010-1010000thisSpritethisSprite theStage anotherSpriteoldDimensionsdimensionsmyPropertiesoldXmaxxMaxmyPropertiesoldXminxMinmyPropertiesoldYmaxyMaxmyPropertiesoldYminyMinmyPropertiesoldZminzMinmyPropertiesoldZmaxzMaxmyPropertiesoldWithGrid?withGrid?myPropertieslineWidthmyPropertiesonlyPointsmyPropertiesdimensionsmyPropertiesxMinmyPropertiesxMaxmyPropertiesyMinmyPropertiesyMaxmyPropertieszMinmyPropertieszMaxmyProperties321withGrid?myPropertiescostumeWidthcostumeHeightbackColorDraws a vector, complex number, or object of points from the start point stored in the properties.

vectorvector complex-number line-to object-ofblackblack gray lightGray white red orange yellow green cyan blue magentathisSpritethisSprite theStage anotherSpritefalselisttypeOfDataobject-ofdimensionsmyPropertieslength1SciS_MathpadAddAxes(costume,properties)costumemyPropertiescomplex-numberdimensionsmyProperties21cnPdata23SciS_MathPadPlot(costume,data,color,properties,choice)costumeRGB-valuemyPropertiesSciS_MathpadAddAxes(costume,properties)costumemyPropertiesvectorline-todimensionsmyPropertieslengthcolumn-vectorSciS_MathPadPlot(costume,data,color,properties,choice)costumeRGB-valuemyPropertiesobject-ofDraws members of a set.

set1blackblack gray lightGray white red orange yellow green cyan blue magenta11thisSpritethisSprite theStage anotherSpritesetdimensionsmyProperties115propertiesmyPropertieswidthwidthheightheightxminxMinxmaxxMaxleftOffset1offsetsupperOffset2offsetsdlceiling305level30x0neglistlineColorlineWidthSciS_MathPadPlotSet(set,setname,properties,atY,costume)myProperties20

Changes the name of a costume.

a costumenew costume nametrueAdds or replaces an entry in a dictionary.

Allows changing global settings programmatically. This block is for numeric or text settings; use SET FLAG for Boolean (checkbox) values. Copied from Snap! library.

pt:altera o valor da configuração _ para _ ca:fixa el valor de _ a _ Stage sizeProject notes Project name Language Zoom blocks Stage size Stage scale Visible paletteSets a local variable of a sprite to the specified value.

varnamethisSpritethisSprite theStage anotherSpriteanyValueReports the value of a local variable.

varnamethisSpritethisSprite theStage anotherSpriteERROR: variable don't exist.get ... of spriteThis block deletes all the variables with the names given (inside input list). Each name will make only one variable deletion, and this will be the variable found following the scope order: 'script' -> 'sprite' -> 'global'. If we have a "testing" sprite variable and also a "testing" global one, deleting "testing" will delete only the sprite one (Yes! we can also do "delete var (testing, testing)" to delete both. If one variable does not exists (in any scope) an error happens, stopping block action in that point. You can check it before with the "does var (name) exists?"block.

pt:remove as variáveis _ ca:esborra les variables _ es:borrar variables _ de:löschen var _ Reports the value assigned to the key.

Replaces the value assigned to the key with a new value.

Removes the entry of a key.

Reports the content of a selected file.

Stores a dictionary as a JSON file.

filenamefilename filepickerJSONReports a copy of a costume.

a costumeReports the costume of a sprite or the stage.

thisSpritethisSprite theStage anotherSpritecostumecostumespriteDisplays a list in a dialog window.

This command closes all open dialog windows in a brutal way. ;-)

errorCatch errors. Runs the first script. If it succeeds, nothing else happens. But if it has an error (something that would otherwise result in a red halo around the block), then the second script is run, with the text of the error message that would have been shown in the variable ERROR.

pt:tenta executar _ e, em caso de erro _ , executa _ ca:prova de forma segura _ i si _ _ Reports the current layer of a sprite.

Sets the layer of a sprite.

0Selects the specified costume for the cursor.

pointerauto cell copy crosshair default grab grabbing help move not-allowed pointer progress text wait zoom-in zoom-out n-resize s-resize e-resize w-resize ne-resize se-resize nw-resize sw-resizeTest on vector, matrix, table, predicate, interval, list of intervals, set, dictionary or complex-number.

vectorvector row-vector column-vector matrix table dictionary complex-number complex-number-Cartesian-form complex-number-polar-form set comparisonOperator interval listOfIntervals numericalListlistvectorcolumn-vectorrow-vectorcolumn-vectormatrix1listSciS_isType(data,selection)matrixtable1listSciS_isType(data,selection)tabledictionarylength01keyvaluetablelength12intervalfalsecomplex-numbercomplex-number-Cartesian-formcomplex-number-polar-formlistOfIntervalstrueset2Boolean3list4listOfIntervals55predicatenumericalListresultnumberlength0falsefalseReturns a random number between 0 and 1.

Reports Pi.

Reports Euler's number.

The factorial function.

Reports a binomial coefficient.

531result1n1i1Rounds value x to n digits.

1.23572Reports a string with replacement instead of substring.

allall firstthisthatthisStringReports the index of first appearance of substring in string.

ringthisStringReturns a root of an equation calculated with Newton's method.

ringified term1epsilon0.00001i1number1000Reports an element of a sequence.

ringified term1Returns a list of the first n elements of a sequence.

1ringified term1Returns a list of secant slopes calculated with the given sequence.

ringified term21/n1/nelementReports the secant slope "nearby" the given point.

ringified term1epsilon0.00001Returns a finite sum.

10ringified term0result0iReturns the integral of a term calculated with n trapezoids.

2ringified term11000dxx11Reports either - data Fourier transformed to frequency-space - "raw" FFT (Fast Forier Transformation) data formatted as SciSnap! complex numbers - or iFFT real data

frequency_spectrumfrequency_spectrum complex_FFTdata iFFT_of_FFTdata100iFFT_of_FFTdataSciS_FFTops(data,freq,choice)Reports coefficient of the binomial distribution b(N,p,k)=(N choose k)*p^k(1-p)^(N-k)

100.12ERROR: wrong parameter!b(...)Reports binomial distribution B(N,p,k).

1100.1ERROR: wrong parameter!B(...)Reports coefficient of the hypergeometric distribution.

10352ERROR: wrong parameter!h(...)Reports hypergeometric distribution.

11035ERROR: wrong parameter!H(...)Reports coefficient of the Poisson distribution.

0.052ERROR: wrong parameter!p(...)Reports Poisson distribution.

20.05ERROR: wrong parameter!P(...)Reports coefficient of the Pareto distribution.

132Reports coefficient of the normal distribution.

101The empty set.

The real (computer-) numbers.

Returns a set by listing the elements, predicates, and defined intervals. The three sections are treated as a disjunction: Elements belong to the set if they are enumerated, lie within intervals, or satisfy the predicate. If possible, they are defined by intervals. The sequence is: <set><isNumerical><list of elements><list of intervals><predicate>.

2length30Creation of a set by one numerical interval. Predicates and elements should be defined by other blocks. Returns a set by listing the elements, predicates, and defined intervals. The three sections are treated as a disjunction: Elements belong to the set if they are enumerated, lie within intervals, or satisfy the predicate. If possible, they are defined by intervals. The sequence is: <set><isNumerical><list of elements><list of intervals><predicate>.

-Infinity-Infinity≤≤ <≤≤ <InfinityInfinitysettrueCreation of a set by a predicate. Intervals and elements should be defined by other blocks. If possible the predicate is translated to a list of intervals. Returns a set by listing the elements, predicates, and defined intervals. The three sections are treated as a disjunction: Elements belong to the set if they are enumerated, lie within intervals, or satisfy the predicate. If possible, they are defined by intervals. The sequence is: <set><isNumerical><list of elements><list of intervals><predicate>.

ringified predicatepredicateTreeblocksReports whether "element" is element of "set".

elementsetsetReports the intersection, union, difference, or cross product of two sets.

set1∩∩ ∪ \ Xset2are these two sets?set∪∩length4044455predicate5predicate55\444interval list of set1 and nor covered from interval list of set25If set2 has a predicate, we have to transform the interval list of set1 into a predicate.Xset22flatten33Is set1 subset of set2?

set1set2are these two sets?set555intervalelement3Compare elementstrueAre theses two sets equal?

set1set2setReports up to n elements of a set. Numers are natural numbers smaller than maxSetValue in SciSnap!-properties.

10setresult3length405i1maxSetValue should be close to infinity ;-)resultvalueindexlistclean uplength1listReports the enumerated elements and numbers written as intervals of the set.

elementselements intervals predicatethis setelementsintervalspredicatetrueReturns the value of the left or right edge of an interval.

leftleft rightReports simple types, sets and lists as string.

Booleantextlist5i1maxSetValue should be close to infinity ;-)elementsvalueindexlistlength20itemlength18is first elementtrueitemlength18ERROR: no simple type!elements --> textConverts a string to a list of elements.

1,2,[3,4],{6,7,8..12}]10]0]0}10}0}0find lists

Returns an empty table.

Reports the copy of a list or an empty list.

table or listType conversions

table or listCSVDATAASTEXT CSV JSONReports a new table initialized with value.

23a valueresultReports a table with labeled columns.

23i1rowERROR: labels required!new ... table with labelsReports randomly distributed points in the form of a rectangle, circle, or ring.

100-100100-100100squaresquare circle ringcircleringCreates new random data in the specified ranges swaying by a straight.

10-55102Generates a list of points "near" a given graph.

20-552Reports the row or column of a table identified by number or name, or reports an error message. If the the name is a number You can mark this with a # (e.g. #123).

rowrow columnnumberOrNamefirst last numberOrNameSciSnap!Datatruechoice1 tablerowlastnumber1lengthcolumnlastnumber1length1ERROR: something wrong!row/column of dataAdds a row, a column, or column headers to a table.

rowrow column column-headersa listSciSnap!Datachoice1 tablerowi1columnlength0i1column-headersi11Deletes a row or column of a table. identified by number or name, or reports an error message. If the the name is a number You can mark this with a # (e.g. #123).

rowrow columnnumberOrNamefirst last numberOrNameSciSnap!Datatablerowlastnumbercolumnlastnumber1length1itemReports the element a position x|y of a table, identified by numbers or names.

numberOrNamenumberOrNameSciSnap!Datatablexcolumnnumberyrownumber0length0length1Replaces the value at position x|y of a table.

numberOrNamenumberOrNameSciSnap!Datatablexcolumnnumberyrownumber0length0length1Reports the columns from row startnr to row endnr.

SciSnap!DatanumberOrNamelastlast numberOrNametablelaststartnrrownumberendnrrownumbercolNumbersitemSciS_columncopy(data,cols,start,stop)Reports a subsection of an image or table.

RGB-datatable-data matrix-data list-data RGB-data FITS-dataSciSnap!DatanumberOrNamenumberOrNamenumberOrNamenumberOrNamelist-datanumberlistresultdummyvalueindextable-datamatrix-datab1columnnumberb2rownumbere1columnnumbere2rownumberbeginendSciS_subsection(data,begin,end)RGB-dataFITS-dataRGB-datawidthwidthheightheightFITS-datawidthwidthheightheightlistnumbernumbernumbernumberbeginendSciS_subsectionImage(data,begin,end,width,height)Determines the rows of a table with certain properties.

SciSnap!DatanumberOrNameless-thanless-than greater-than equal-to different-fromtablencolumnnumber1length1op1whitespaceless-thangreater-thanequal-todifferent-fromcounts the appearances of the values of a list or table.

a table or listReports a sorted list.

a listreturns the entropy of a list of data

a table or listCopy of corresponding Snap!-library-block: Reports a new list whose items are the same as in the input list, except that if two or more equal items appear in the input list, only the last one is kept in the result.

SciSnap!DatatablelistNormalizes a table by dividing it by the specified value.

SciSnap!Datameanmean max number sum median softmaxchoice1 vector0Reports a vector or matrix with compressed columnsonly columns .

SciSnap!Data2isMatrixmatrixvectorlength11resulti1length1iresultcolumnNr1length1Pooling operation with matrices, images and vectors. On the top of the result are the new dimensions.

maxmax meanSciSnap!Data21typeOfPooling1 matrixvectorFITSRGBmatrixFITSRGBSciS_pooling(data,width,height,typeOfPooling,stride,typeOfData)Sorts a list or table.

SciSnap!DatanumberOrNametruetrueisTabletablelengthdimensions1numberresult1listDetermines a group of properties of a table.

meanmin max number sum meannumberOrNameSciSnap!DatanumberOrNametruetablegroupcolumncolumnnumber1length1valuecolumncolumnnumber1length1choice1 copytruelength0SciS_groupeddata(aTable,compaircolumn,operation,groupcolumn)Calculates the ranges, the covariance or the correlation between two columns of a table.

rangesranges covariance correlationnumberOrNamenumberOrNameSciSnap!Datatruetablencolumnnumber1length1mcolumnnumber1length1copychoice1 length1SciS_propertiesoftable(selection,table,x,y)1 Calculates the parameters of a regression line.

SciSnap!DatamatrixsumX0sumY0numerator0denominator0dummymeanXlengthmeanYlengthdummymbDetermines the next k neighbours of a point in data. The classes of the points have to be in column 3. Reports a list with columns x, y, distance, class.

52-dim pointSciSnap!Datatablepoint2neighbors3truetruetable-data114Applies a convolution to a table with FITS, RGB, or table values.

a kerneltableimage tableSciSnap!Data100100listmatrixSciS_convolution(kernel,data,width,height,typeOfData,mIndex,kWidth)Custering of n-dimensional data with k-means-method. Cluster numbers are attached to the data.

3SciSnap!DatamatrixlengthSciS_k-means-clustering(k,data)Custering of n-dimensional data with k-means-method. A metric has to be delivered as a ringified term. Cluster numbers are attached to the data.

3SciSnap!Dataringified operatormatrixlengthreporterresultadd cluster number 0 to datadimensionlength1minmaxi1calculate min and max for all columnscentersi1choose k random centerscalculate min and max for all columnsanyChangestruen0anyChangesfalsedummycenter1pointbuild clustersadjust centerslabels of data: -1 not visited, 0 visited, -2 noise, >0 clusternr

SciSnap!Data505matrixlength2SciS_DBSCAN(data,r,minMembers)-1reports an ID3 decision tree constructed on the base of labeled data

SciSnap!Datatablewrong datalength0empty datasetSciS_ID3Tree(data)returns the class of a dataset using an ID3-decision-tree

datathis ID3-treecompareData1leaf1leaf (unambiguous)1nodei1ERROR: no sensefull data to compare found!

Creates a new empty costume of the specified size and color and sets the local properties.

thisSpritethisSprite theStage anotherSprite400300lightGrayblack gray lightGray whitered orange yellow green cyan blue magentafalsefalse15scalesXprecision2myPropertiesscalesYprecision2myPropertiesscalesXtextheight12myPropertiesscalesYtextheight12myPropertiesscalesXintervals6myPropertiesscalesYintervalsmyPropertiesscalesXstart-10myPropertiesscalesYstart-10myPropertiesscalesXstep2myPropertiesscalesYstep2myPropertiesscalesXscaling1myPropertiesscalesYscaling1myPropertiesscalesTiclength6myPropertiesscalesXminitics0myPropertiesscalesYminitics0myPropertiesscalesXgridfalsemyPropertiesscalesYgridfalsemyPropertiesscalesXcenteredfalsemyPropertiesscalesYcenteredfalsemyPropertiesscalesShowXscaletruemyPropertiesscalesShowYscaletruemyPropertiesplotBordertruemyPropertiesCostume attributes and line attributes same as SketchPad. other attributes: plots marker properties: 1: marker style 2: marker width 3: marker connected 4: marker color red 5: marker color green 6: marker color blue data properties: 1: minValue 2: maxValue 3: columns 4: rows scale offsets: 1:left offset 2: right offset 3: upper offset 4: lower offset labels: 1: title 2: x label 3: y label 4: title height 5: x label height 6: y label height 7: x unit 8: y unit ranges: 1: x left 2: x right 3: y lower 4: y upper scale properties: 1: scales x precision 2: scales y precision 3: scales x textheight 4: scales y textheight 5: scales x intervals 6: scales y intervals 7: scales x start 8: scales y start 9: scales x step 10: scales y step 11: scales x scaling 12: scales y scaling 13: scales ticlength 14: scales x minitics 15: scales y minitics 16: scales x grid 17: scales y grid 18: scales x centered 19: scales y centered 20: scales show x scale 21: scales show y scale 22: plot borderReports whether the sprite is configured as a PlotPad.

thisSpritethisSprite theStage anotherSpriteSets the value of an existing property or inserts it anew.

typeOfConfigurationtypeOfConfiguration plots costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } marker properties={ marker style=markerStyle marker width=markerWidth marker connected=markerConnected marker color=markerColor } data properties={ minValue=minValue maxValue=maxValue columns=columns rows=rows } scale offsets={ left offset=scaleLeftOffset right offset=scaleRightOffset upper offset=scaleUpperOffset lower offset=scaleLowerOffset } labels={ title=title x label=xLabel y label=yLabel title height=titleHeight x label height=xLabelHeight y label height=yLabelHeight x unit=xUnit y unit=yUnit } ranges={ x left=xLeft x right=xRight y lower=yLower y upper=yUpper } scale properties={ scales x precision=scalesXprecision scales y precision=scalesYprecision scales x textheight=scalesXtextheight scales y textheight=scalesYtextheight scales x intervals=scalesXintervals scales y intervals=scalesYintervals scales x start=scalesXstart scales y start=scalesYstart scales x step=scalesXstep scales y step=scalesYstep scales x scaling=scalesXscaling scales y scaling=scalesYscaling scales ticlength=scalesTiclength scales x minitics=scalesXminitics scales y minitics=scalesYminitics scales x grid=scalesXgrid scales y grid=scalesYgrid scales x centered=scalesXcentered scales y centered=scalesYcentered scales show x scale=scalesShowXscale scales show y scale=scalesShowYscale plot border=plotBorder pretty formated=pretty y-axis starts with 0=start0 }thisSpritethisSprite theStage anotherSpritemyPropertiesReads the value of an existing property.

typeOfConfigurationtypeOfConfiguration plots costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } marker properties={ marker style=markerStyle marker width=markerWidth marker connected=markerConnected marker color=markerColor } data properties={ minValue=minValue maxValue=maxValue columns=columns rows=rows } scale offsets={ left offset=scaleLeftOffset right offset=scaleRightOffset upper offset=scaleUpperOffset lower offset=scaleLowerOffset } labels={ title=title x label=xLabel y label=yLabel title height=titleHeight x label height=xLabelHeight y label height=yLabelHeight x unit=xUnit y unit=yUnit } ranges={ x left=xLeft x right=xRight y lower=yLower y upper=yUpper } scale properties={ scales x precision=scalesXprecision scales y precision=scalesYprecision scales x textheight=scalesXtextheight scales y textheight=scalesYtextheight scales x intervals=scalesXintervals scales y intervals=scalesYintervals scales x start=scalesXstart scales y start=scalesYstart scales x step=scalesXstep scales y step=scalesYstep scales x scaling=scalesXscaling scales y scaling=scalesYscaling scales ticlength=scalesTiclength scales x minitics=scalesXminitics scales y minitics=scalesYminitics scales x grid=scalesXgrid scales y grid=scalesYgrid scales x centered=scalesXcentered scales y centered=scalesYcentered scales show x scale=scalesShowXscale scales show y scale=scalesShowYscale plot border=plotBorder pretty formated=pretty y-axis starts with 0=start0 }thisSpritethisSprite theStage anotherSpritemyPropertiesa simple way to set some costume attributes: 1: width 2: height 3: back color 4: front color 5: left offset for plot position on stage 6: upper offset for plot position on stage

40030000thisSpritethisSprite theStage anotherSpriteStageSets the labels and textheights of the diagrams of a PlotPad and redraws them.

thisSpritethisSprite theStage anotherSpriteDiagram Title18x-label16y-label16titlexLabelyLabeltitleHeightxLabelHeightyLabelHeighta simple way to set some net attributes: line properties: 1: line style 2: lineWidth 3: line color red 4: line color green 5: lineColor blue

continuouscontinuous dashed dash-dot dot-dot rainbow inverse-rainbow1thisSpritethisSprite theStage anotherSpritelineStylelineWidthlineColora simple way to set some net attributes: marker properties: 1: marker style 2: marker width 3: marker connected 4: marker color red 5: marker color green 6: marker color blue

squarenone o_circle ._point +_plus x_ex square triangle5falsethisSpritethisSprite theStage anotherSpritemarkerStylemarkerWidthmarkerConnectedmarkerColorSets some properties for scales and redraws them.

2212121010thisSpritethisSprite theStage anotherSpritefalsescalesXprecisionscalesYprecisionscalesXtextheightscalesYtextheightscalesXintervalsscalesYintervalsscalesXstartxLeftscalesXstepxRightxLeftscalesXintervalsscalesXscaling1scalesXminitics1scalesYstartyLowerscalesYstepyUpperyLowerscalesYintervalsscalesYscaling1scalesYminitics1Sets the distances of the diagram axes to the edges of the Sketchpad.

thisSpritethisSprite theStage anotherSpriteupperOffset1scalesXtextheightlengthtitle0scalesTiclength0lowerOffset1scalesXtextheightscalesYcenteredrightOffset1.5scalesYtextheightscalesTiclength0leftOffset1scalesYtextheightscalesXcenteredscalesTiclength0scaleLeftOffsetscaleRightOffsetscaleUpperOffsetscaleLowerOffsetSets the ranges for the axes of the diagrams of a PlotPad and redraws it..

-1010-1010false0.1thisSpritethisSprite theStage anotherSpriteprettyDraws the graph of a function given as rigified Snap!-function or coefficient-list of a polynomial.

ringified operator or polynomialthisSpritethisSprite theStage anotherSpritereportervectorSciS_addGraphToPlotpad(costume,properties,aFunction,proc)costumemyPropertiesoldPlotsplotsisNewtrueentryDraws the data points of a two-dimensional table with numerical values. With a lot of additions from Rick Hessman. Thanks!

myDatathisSpritethisSprite theStage anotherSpritemyDatamatrixlength12SciS_addNumericDataplotToPlotPad(costume,properties,data)costumemyPropertiesoldPlotsplotsisNewtrueentryDraws the data points of a two-dimensional table with numerical values in column 2. Text values should be used to set the x-label.

myDatatruetruethisSpritethisSprite theStage anotherSpritemyDatatableSciS_addMixedDataplotToPlotPad(costume,properties,data)costumemyPropertiesoldPlotsplotsisNewtrueentryDraws a histogram of histogram data.With a lot of additions by Rick Hessman. Thanks!

myData10thisSpritethisSprite theStage anotherSpritetruemyDatavectorlength0costumestart0transposed-vectorminmaxdeltah2resulti1length221i1histgramData0prettySciS_addHistogramToPlotpad(costume,properties,data)costumemyPropertiesoldPlotsplotsisNewtrueentryDraws and labels the axes of a PlotPad. With lot of additions of Rick Hessman. Thanks!

thisSpritethisSprite theStage anotherSpriteClears the plot area of a PlotPad.

plotAreaplotArea plotData costumethisSpritethisSprite theStage anotherSpriteoldFillColorfillColorfillColorbackColorplotAreacostumeplotDatafillColorRestores the last plotson the PlotPad.

thisSpritethisSprite theStage anotherSpriteplotplots1numericData1mixedData1histogramSets the ranges to "pretty" values. Many thanks to Rick Hessman!

thisSpritethisSprite theStage anotherSpriteprettyxLeftxRightscalesXintervalsget dictionary of pretty x-values.scalesXstartstartscalesXstepstepscalesXscalingscalingscalesXintervalsceilingwidthcurrent6scalesXtextheightscalesXprecisionprecisionscalesXminiticsminiticsxLeftstartxRightstopprettyyLoweryUpperscalesYintervalsget dictionary of pretty y-values.scalesYstartstartscalesYstepstepscalesYscalingscalingscalesYintervalsceilingheightcurrent8scalesYtextheightscalesYprecisionprecisionscalesYminiticsminiticsyLowerstartyUpperstop"Pretty" scaling from Rick Hessman. Many thanks!

-10106abs2000abs2000Numbers are too big for pretty printing.nintpretty0.0010.0020.0050.010.020.050.10.20.512510205010020050010002000between91341341341341341341places33322211100000000000signsign2index1i2lengthlengthabsabs1dticnintfloorabsresultdeltanfloorstartstart*scaling is the actual starting value (start is the value displayed next to the tic)stop1stepstep*scaling is the actual stepping value (step is the difference between the tic labels).scalingintervalsprecisionminitics

thisSpritethisSprite theStage anotherSpritemyData0.1myDatalength2dy43xLeft1xRight2yLower3yUpper4scalesXstart1scalesXstep21scalesXintervalsscalesXscaling1scalesXminitics1scalesYstart3scalesYstep43scalesYintervalsscalesYscaling1scalesYminitics1Calculates the ranges of two columns of a table.

Conversion of coordinates.

100xpxp yp x ythisSpritethisSprite theStage anotherSpritediagramWidthwidthcurrentscaleLeftOffsetdiagramHeightheightcurrentscaleLowerOffsetscaleUpperOffsetx0xLeftxLeftxRighty0yUpperyUpperyLowercoordinate1 xpypxyObtaining coordinates of a PlotPad at mouseposition.

costume-coordinatescostume-coordinates graph-coordinatesthisSpritethisSprite theStage anotherSpriteselection1 targetCostumecostumetargetCostumeWidthwidthtargetCostumeHeightheighttargetXPositionx positiontargetYPositiony positiontargetSizesizecostume-coordinatescostume coordinates.graph-coordinatescostume coordinates.

400300continuouso_circle0

400300continuous

00600400continuousnone continuous dashed dash-dot dot-dot rainbow inverse rainbowsquarenone o_circle ._point +_plus x_ex square triangle0thisSprite0.07thisSpritethisSprite18161615thisSpritethisSprite

Changes the spritename.

thisSpritethisSprite anotherSpritenew nameSciS_changeSpritenameTo(sprite,newName)Reports a list of sprites with similar names. Used when "cleaning up".

thisNameChecks whether an element is anywhere in a list.

this valuefalse

Creates SQL variables and sets some properties.

Establishes connection and sets the corresponding properties. Change parameters if necessary.

connectionhttps://snapextensions.uni-goettingen.de/mysqlquery.php?server=db1&user=snapexuser&password=snap!userconnection&type=connect12oklength0115ERRORReports a list of databases on the server and sets the corresponding properties.

databasesconnection&type=getDBslinelength0lengthlast0length0115ERRORSelects one of the databases and sets the corresponding properties.

2lengthdatabasescurrentDatabasedatabasesdummyconnection&command=USE currentDatabasetablestablesconnection&command=SHOW TABLES FROM currentDatabase&type=getTableslinelength0lengthlast0length0115ERRORReports a list of tables of the chosen database and sets the corresponding properties.

tablesconnection&command=SHOW TABLES FROM currentDatabase&type=getTableslinelength0lengthlast0length0115ERRORSelects one of the tables and sets the corresponding properties.

1lengthtableslength0115ERRORReads the attributes of the specified table and sets the corresponding properties.

1lengthtableslength0115ERRORGenerates a simplified SQL query.

* DISTINCTi1length1result FROM length0resultlength2Generates an almost complete SQL query.

* DISTINCTASCASC DESC10i1length1result FROM length0resultlength2length0resultlength2length0resultASCnumberExecutes an SQL query.

1:ERRORreplaces "%" with "%25" to prevent trouble with the url-block.resultconnection&type=query&query=&database=currentDatabaselinelastImports the results of an SQL-query to SQLData and sets the corresponding properties.

listtypeOfDatatablelength0minValuenot setmaxValuenot setReturns an SQL predicate.

Returns an SQL predicate.

Returns an SQL predicate.

Returns an SQL predicate.

Returns an SQL predicate.

Returns an SQL predicate.

Returns an SQL predicate.

Returns an SQL predicate.

Returns an SQL value.

Returns an SQL value.

Returns an SQL value.

Returns an SQL value.

Returns an SQL value.

Partly copied von Brian Harvey's manual.

blockscustom?blocksInspired by the "drip painting" of Jackson Pollock. ;-)

005050-3020redblack gray lightGray white red orange yellow green cyan blue magenta100thisSpritethisSprite anotherSprite theStagedx100absdy100abscostumecostumecolorRGB-valuecostumeSciS_drip(xa,ya,width,height,dx,dy,color,costume,n)Creates a list of the specified length, filled with the specified entry.

10anythingInspired by Jackson Pollock ;-)

widthStageheightStage220200225

Creates a new empty costume of the specified size and color and sets local properties

thisSpritethisSprite theStage anotherSprite400300lightGrayblack gray lightGray white red orange yellow green cyan blue magentafalsefalse15Costume attributes and line attributes same as SketchPad. other attributes: data properties: minValue maxValue columns rows mean of values stddev of values image properties: image type (RGB,FITS) imageWidth imageHeight imageRealSize Reports whether the sprite is configured as an ImagePad.

thisSpritethisSprite theStage anotherSpriteReads the value of an existing property.

typeOfConfigurationtypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } data properties={ minValue=minValue maxValue=maxValue columns=columns rows=rows mean value=mean standard deviation=stddev } image properties ={ image type=imageType image width=imageWidth image height=imageHeight image real size=imageRealSize }thisSpritethisSprite theStage anotherSpritemyPropertiesSets the value of an existing property or inserts it anew.

typeOfConfigurationtypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } data properties={ minValue=minValue maxValue=maxValue columns=columns rows=rows mean value=mean standard deviation=stddev } image properties ={ image type=imageType image width=imageWidth image height=imageHeight image real size=imageRealSize }thisSpritethisSprite theStage anotherSpritemyPropertiesa simple way to set some costume attributes: 1: width 2: height 3: back color 4: left offset for Image position on stage 4: upper offset for Image position on stage

40030000thisSpritethisSprite theStage anotherSpriteStagea simple way to set some net attributes: line properties: 1: line style 2: lineWidth 3: line color 4: fill color

continuouscontinuous dashed dash-dot dot-dot1thisSpritethisSprite theStage anotherSpritelineWidthlineStylelineColorfillColorif source is not SciSnap!Data data should have the image dimensions in the last row as (width,height,"dimensions").

SciSnap!DataSciSnap!Data currentCostume anotherListthisSpritethisSprite anotherSprite theStageSciSnap!Datathis blockcurrentCostumethis blocklistlength01list3lastdimensionstypeOfDataRGBcolumns4imageWidth1lastimageHeight2lastmyDatalastmyDatarowslengthmyDataminValueminmyDatamaxValuemaxmyDatameanmeanmyDatastddevstandard-deviationmyDatatypeOfDataFITSimageWidth1lastimageHeight2lastmyDatalastmyDatarowslengthmyDatacolumns1minValueminmyDatamaxValuemaxmyDatameanmeanmyDatastddevstandard-deviationmyDatathis blockERROR: oops...anything went wrong!import image dataGenerates, adds or mixes an image (with offsets) from the FITS or RGB data (placed in myData) in different colors.

createcreate add mixgraygray red green blue false-color RGBfalse255255 0thisSpritethisSprite anotherSprite theStagetypeOfDataFITStypeOfDataRGBmyDatalistcolor1 selection1 RGBtypeOfDataRGBcreatecostumecostumeoffsetstheStagewidthStageimageWidththeStage2heightStageimageHeighttheStage2offsets00costumeWidthwidthcurrentcostumeHeightheightcurrentSciS_addImageToImagePad(data,properties,color,log,alpha,pixels,selection)myDatamyPropertiespixelscurrentStageDraws a list of "points" in different "shapes".

myDatacirclescircles squares5thisSpritethisSprite theStage anotherSpritefalsefalse20sourcemyDatamatrixlength0length12source121lastvalueSciS_drawListOfPoints(costume,data,shape,size,properties,withNoise,range)costumemyPropertiesSets the RGB or image data value at (x|y) on costume or myData of target.

RGBRGB image data in myDatathisSpritethisSprite theStage anotherSpritean appropriate valuefalsepositionx1y2vectorRGBlength3length4vectorlineColor1thisSpritefalsetrueReports the RGB value at the position (x|y) of the costume.

RGB(A)RGB(A) image data of myData =imageDatathisSpritethisSprite theStage anotherSpritefalsepositionx1y2costumeWidthcostumeHeight11RGB(A)typeOfDataRGBtypeOfDataFITSObtaining data with the mouse from an image stored in myData.

imageValueimage value=imageValue RGB value=RGBvalue costume coordinates=costumeCoordinates slice values from costume=costumeSlice slice values from myData=dataSlice line data=lineData circle data=circleData brightnessthisSpritethisSprite theStage anotherSpritefalseselection1 isDraggabledraggable?targetCostumecostumecostumetargetCostumeWidthwidthtargetCostumeHeightheightStagecostumeCoordinatescostume coordinates.imageValueimage value.11RGBvalueRGB value.11lineDataokfalseokfalsepixelsxold1yold2Stagedraggableline datacostumeSlicedataSliceslice datacircleDatacircle dataokfalseokfalsepixelsStagebrightnessbrightnessERROR: unknown selectionimageValue/... on ... by mouseApplies an affine transformation to a costume.

currentCostumefalseoktruelistlistP11P22P33Q11Q22Q33S1221221220ERROR: denominator is zeroaffine transformation of costume ...Reports the brightness of a FITS or RGB image around x|y in a circle with radius r. Attention: JS-coordinates are used!

10myDatamyData costumethisSpritethisSprite theStage anotherSpritefalsemyDatalisttypeOfDataFITStypeOfDataRGBSciS_brightness(data,xpos,ypos,r,width,height,typeOfData,typeOfArea)widthcurrentheightcurrenttypeOfDatacircleRemoves the calling sprite.

thisSpritethisSprite anotherSpriteSciS_removeSprite(sprite)Selects a sprite as active.

thisSpritethisSprite theStage anotherSpriteThis block is called by dynamically generated event handlers. You should define what is to happen for the corresponding sprites. Two examples are included for the LineTool and the SquareTool.

thisSpritethisSprite theStage anotherSpritereceiveGoreceiveGo receiveKey enter receiveKey space receiveKey + receiveKey - receiveKey up arrow receiveKey down arrow receiveKey left arrow receiveKey right arrow receiveInteraction clicked receiveInteraction pressed receiveInteraction mouse-entered receiveInteraction mouse-departed receiveInteraction scrolled up receiveInteraction scrolleddown receiveMessagename110SquareToolnameTheNewSpritereceiveKey -size20receiveInteraction clickedArthmetic with image data (FITS or RGB). RGB data are normalized to the range 0 ..255. The last element of the result contains the dimensions of the imagge.

of image1100100++ - * /of image210010000imageType1vectorFITSmatrixlength13length14RGBunknownunknownimageType2vectorFITSmatrixlength13length14RGBunknownunknownunknownunknownSciS_imageArithmetic(image1,image2,imageType,xOffset,yOffset,width1,height1,width2,height2,operation)Configure the sprite as an ImagePad and load an image as costume!

valuediagrammyselfAn image of Albategnius should be loaded as costume of the sprite!

t0a0.1225positionStagecircles2theStagetruetrue100t1Creates an Infobox about this category.

thisSpritethisSprite theStage anotherSpriteanotherSpriteanotherSprite theStage thisSpritewidth1Stage sizeheight2Stage sizemyImagescurrentImagemyLineToolnot setmySquareToolscostumeWidthwidthcurrentcostumeHeightheightcurrent

thisSpritethisSprite theStage anotherSprite

addadd removethisSpritethisSprite theStage anotherSpritetrue

nextnext first last any number = numberthisSpritethisSprite theStage anotherSpritetruelengthmyImages1lengthmyImages0widthmyImagesheightmyImageslightGraycurrentImagewidthheightlightGray

thisSpritethisSprite theStage anotherSpritewidthheightlightGraycurrentImage

thisSpritethisSprite theStage anotherSprite25currentImagenew sizesizecurrentImage5currentImage

thisSpritethisSprite theStage anotherSprite1010currentImageimagecurrentImagerightrightbottombottomtoptop

thisSpritethisSprite theStage anotherSpritecurrentImageisDraggabledraggable?oldMouseXoldMouseYStage coordinates are alternatively described as Snap! or JavaScript coordinates, window and image coordinates are always JavaScript coordinates.

window-positionwindow-position image-position image-valuethisSpritethisSprite theStage anotherSpritefalsewindow-positionimage-positionimage-valueimageOffsetsleftcurrentImageleftStagetopStagetopcurrentImageimageSizecurrentImage100NaNxi11yi22image-positionERROR: wrong selection!stage position --> ...Stage coordinates are alternatively described as Snap! or JavaScript coordinates, window and image coordinates are always JavaScript coordinates.

window-positionwindow-position image-positionthisSpritethisSprite theStage anotherSpritefalseselection1 window-positionimage-positionimageSizecurrentImage100NaNimageOffsetsleftcurrentImageleftStagetopStagetopcurrentImageresult1leftcurrentImageleftStage2topStagetopcurrentImage

thisSpritethisSprite theStage anotherSpriteposition1left1right2bottom2topChecks whether the specified sprite is in the list of deleted sprites.

thisSpritethisSprite anotherSpritespriteallTheSpritesother spriteserrorAttaches a sprite as part of another sprite.

a partthisSpritethisSprite anotherSpriteInitialization of SciSnap!

800600EmptyHilbertoRight00Hi!2Creates a text-file "SciSnap!Costumes" from present costumes.

data""itemTEXTSciSnap!CostumesSciSnap!CostumesCreates and stores different SciSnap! costumes.

ready!1Creates global variables "SciSnap!Properties", "SciSnap!Data", and "SciSnap!Messages". Sets the default values of global SciSnap!-properties for items typeOfData width height minValue maxValue columns rows maxSetValue

Sets the value of an existing property or inserts it anew.

typeOfDatatypeOfData width height minValue maxValue columns rows maxSetValueReturns the value of an existing global SciSnap!-property or "". Items: typeOfData width height minValue maxValue columns rows maxSetValue

minValuetypeOfData width height minValue maxValue columns rows maxSetValueCreates a new empty costume of the specified size and color and sets the local properties.

thisSpritethisSprite theStage anotherSprite400300lightGrayblack gray lightGray white red orange yellow green cyan blue magentafalsefalseleft right15listStagetypeOfConfigurationSketchPadmyPropertieslineWidth1myPropertieslineStylecontinuousmyPropertieslineColor000myPropertiesfillColor180180180myPropertiestextHeight12myPropertiestextOrientationtruemyPropertieswithCloseButtonmyPropertiescloseButtonLeftmyPropertiescloseButtonSizemyPropertiesbackColormyPropertiesfrontColor000myPropertiescostumeWidthmyPropertiescostumeHeightmyPropertieswidthmyPropertiesheightmyPropertiesoffsets22myPropertiesspritecostume properties: 1: width 2: height 3: back color RGB 4: offsets for position on stage 5: front color RGB line properties: 1: line width 2: line style 3: line color RGB 4: fill color RGB text properties: 1: text height 2. orientation (horizontal=true) closebutton properties: 1: with closebutton? 2: position (left=true) 3: closeButtonSizeTest on different SketchPad types.

thisSpritethisSprite theStage anotherSpriteSketchPadSketchPad MathPad PlotPad ImagePad GraphPad NNPad GridPadmyPropertiesfalseReshapes and cleares the costume of a SketchPad.

thisSpritethisSprite theStage anotherSprite400300SketchPadcostumeWidthmyPropertiescostumeHeightmyPropertiesoffsetsmyProperties22spritefillColorthisSpritebackColortheStagedrawwidthStage2heightStage2widthStage2heightStage2theStagefalsefillwidthStage2heightStage2widthStage2heightStage2theStagefalseDeletes a SketchPad.

thisSpritethisSprite anotherSpriteIf necessary, place the close button in the correct position.

thisSpritethisSprite anotherSpriteSketchPadmyCloseButtonnot setwithCloseButtontypeOfConfigurationSketchPadmyPropertieslineWidth1myPropertieslineStylecontinuousmyPropertieslineColor000myPropertiesdraw00false00false00false1x positionwidth2y positionheight2x positionwidth2y positionheight2myCloseButtonThis block is used to create/remove dynamically tools for a window.

createcreate removelineline a squarethisSpritethisSprite theStage anotherSprite30callermyselflineCreate or remove TheLineTool with its ends.myWindowTheLineToolisMovingTheLineToolfalseTheLineToolyellowx positiony positionreceiveInteraction pressedTheLineToolreceiveInteraction mouse-departedTheLineToollineEnd1newSpritethisSpriteLineEnd1LineEnd1isMovingLineEnd1falseLineEnd1SciS_changeToolCostume(size,tool,color)lineEnd1orangeRGB-valuex positionwidth4y positionheight4receiveInteraction pressedLineEnd1receiveInteraction mouse-departedLineEnd1myLineEnd1TheLineToollineEnd2newSpritethisSpriteLineEnd2LineEnd2isMovingLineEnd2falseLineEnd2SciS_changeToolCostume(size,tool,color)lineEnd1magentaRGB-valuex positionwidth4y positionheight4receiveInteraction pressedLineEnd2receiveInteraction mouse-departedLineEnd2myLineEnd2TheLineToollineColoryellowRGB-valuelineWidth2positionLineEnd1window-positiontruepositionLineEnd2window-positiontruefalseLineEnd2spriteTheLineToolspritemyLineToolnot seta squaremySquareToolsmyWindowisActivefalse200SciS_changeToolCostume(size,tool,color)squareToolorangeRGB-valuex positiony positionleftrightbottomtopreceiveInteraction pressedreceiveInteraction mouse-departedreceiveKey +receiveKey -receiveKey up arrowreceiveKey down arrowreceiveKey left arrowreceiveKey right arrowCreate or remove a SquareTool.

showshow hideTheLineToolTheLineTool TheSquareToolthisSpritethisSprite theStage anotherSpriteTheLineTooltoolTheLineToolshowpositionTheLineToolpositionLineEnd1positionLineEnd2lineColoryellowRGB-valuelineWidth2positionLineEnd1window-positiontruepositionLineEnd2window-positiontruefalseLineEnd2TheLineToolTheSquareTooltoolTheSquareToolshowMoves tools to new positions corresponding to their image coordinates.

thisSpritethisSprite theStage anotherSpriteTheLineToolspriteLineEnd2TheLineToolshowTheLineToolTheSquareToolsprite

thisSpritethisSprite theStage anotherSpriteTheLineToolspritesquareToolmySquareTools

LineToolLineTool SquareToolleftleft right up downSquareToolspriteleftTheLineToolLineEnd2showTheLineToolmyWindowTheLineToolrightTheLineToolLineEnd2showTheLineToolmyWindowTheLineToolupTheLineToolLineEnd2showTheLineToolmyWindowTheLineTooldownTheLineToolLineEnd2showTheLineToolmyWindowTheLineToolCancels the connection between attached sprites.

thisSpritethisSprite anotherSpriteAdds an event handler to a sprite. Resets the event handler with the standard sprite operation if the script is empty.

mouseClickLeftmouseDownLeft mouseDownRight mouseClickLeft mouseClickRight mouseDoubleClick mouseEnter mouseLeave mouseEnterDragging mouseLeaveDragging mouseEnterBounds mouseLeaveBounds mouseMove mouseScrollReports a string without first/all instances of substring.

allall firstthisthisStringReports a substring of a string.

thisString14Deletes leading and trailing as parameter defined characters in a string.

..this string...length0lastReports the Euclidean distance of to points.

Metric for Strings.

SaturdaySundayDeletes any "remaining" close buttons.

Sets the value of an existing property or inserts it anew.

typeOfConfigurationtypeOfConfiguration costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets for Image position=imageOffsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ 1: text height=textHeight 2. orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize }thisSpritethisSprite theStage anotherSpriteReads the value of an existing property.

typeOfConfigurationtypeOfConfiguration costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets for Image position=imageOffsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ 1: text height=textHeight 2. orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize }thisSpritethisSprite theStage anotherSpriteDraws a line on present costume using line properties. Coordinates can be used as Snap! or JS coordinates.

thisSpritethisSprite theStage anotherSpritefalseposition1position2Draws a rectangle on present costume using line properties. Coordinates can be used as Snap! or JS coordinates.

drawdraw fillthisSpritethisSprite theStage anotherSpritefalseposition1position2Draws or fills a rectangle on present costume using line properties. Coordinates can be used as Snap! or JS coordinates.

drawdraw fill20thisSpritethisSprite theStage anotherSpritefalseposition1Draws a text on present costume using line properties. The text is drawn horizontal or vertical. Coordinates can be used as Snap! or JS coordinates.

my text12thisSpritethisSprite theStage anotherSpritefalseposition1Reports the width of the text, if drawn on a Sprite.

my text18thisSpritethisSprite theStage anotherSprite

i515025-2402

Returns the content of a TEXT, CSV, RGB, JSON or FITS file from a URL. RGB-data should have the dimensions in the last row, otherwise use CSV.

TEXTTEXT CSV RGB JSON FITSthis urlTEXTCSVRGBJSONFITSReturns the content of a TEXT, CSV, RGB, JSON or FITS file, selected with filepicker. RGB-data should have the dimensions in the last row, otherwise use CSV.

TEXTTEXT CSV RGB JSON FITSTEXTupper caseTXTCSVRGBupper caseCSVJSONupper caseJSONFITSupper caseFITSupper caseFTSReturns a list with one or more elements consisting of [filename/BLOB].

filefile filelistReturns the content of a TEXT, CSV, JSON or FITS file. The "source" could either be a BLOB or a list of filename and BLOB. RGB-data should have the dimensions in the last row, otherwise use CSV.

this filereadySciS_readFileAsBLOB(source)12Saves the data to a file of the specified type.

SciSnap!DataSciSnap!Data costumeData other RGB dataTEXTTEXT CSV RGB JSONthis fileTEXTCSVRGBJSONImports text, table-CSV-data, costume-data, JSON-data, or FITS-data from current costume, a file or an URL to SciSnap!Data.

CSV-dataTEXT-data CSV-data RGB-data JSON-data FITS-data TEXT-BLOB CSV-BLOB JSON-BLOB FITS-BLOBfilepickercurrent-costume=costume filepicker URLisBLOB?1lengthBLOBchoice11filepickertextcostumecostumeRGBCSVcostumetypeOfDataSciSnap!DatapixelscurrentdatanumbervaluesortedflattenwidthwidthcurrentheightheightcurrentminValue1maxValuelastcolumns4rowslengthRGBthis blockTEXTthis blockJSONthis blockRGBCSVlength0RGBlength143lastdimensionslasttypeOfDataheightlengthSciSnap!Datalength100001listcolumnswidthrowsheightthis blockFITStruerowslengthcolumns1times1length011Adds a new entry to SciSnap!Messages, shows the error message, and stopps all.

something wrong!thisBlockall

Creates a new empty costume of the specified size and color and sets local properties.

thisSpritethisSprite theStage anotherSprite400300lightGrayblack gray lightGray white red orange yellow green cyan blue magentafalsetrue15lightGraytypeOfConfigurationmyPropertiesGraphPadtypeOfDatanonemyPropertiesxLeft1myPropertiesxRightmyPropertiesyUpper1myPropertiesyLowermyPropertiesverticesMinRadius3myPropertiesverticesGrowingtruemyPropertiesverticesContentShownfalsemyPropertiesedgesDirectedfalsemyPropertiesedgesWithWeightstruemyPropertiesedgesShowWeightsfalsemyPropertiesinitialCostumenullmyPropertiesStagetruelineColortheStageblackRGB-valuedraw1offsetstheStage2offsetstheStage1offsetstheStage2offsetstheStagetheStagefalsetruelineColorblackRGB-valuedraw00falseinitialCostumecostumeCostume attributes and line attributes same as SketchPad. other attributes: initial costume, maybe a map vertex ranges for random coordinates xLeft xRight yUpper yLower vertex properties: minimal radius of a vertex (should be changed if vertices are not growing with number of edges) = verticesMinRadius vertices grow with number of connected edges = verticesGrowing vertex content is shown (If there is no content the vertex number is shown) = verticesContentShown edge properties: edge width=lineWidth edge style=lineStyle edge color=lineColor fill color=fillColor edges are directed=edgesDirected edges have weights=edgesWithWeights edges show weights=edgesShowWeights

thisSpritethisSprite theStage anotherSpriteSets the value of an existing property or inserts it anew.

typeOfConfigurationtypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor initial costume=initialCostume } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } ranges for vertices={ x left=xLeft x right=xRight y lower=yLower y upper=yUpper } vertex properties={ minimal radius=verticesMinRadius vertices can grow=verticesGrowing vertices show content=verticesContentShown } edge properties={ edge width=lineWidth edge style=lineStyle edge color=lineColor fill color=fillColor edges are directed=edgesDirected edges have weights=edgesWithWeights edges show weights=edgesShowWeights }thisSpritethisSprite theStage anotherSpritemyPropertiesReads the value of an existing property.

typeOfConfigurationtypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor initial costume=initialCostume } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } ranges for vertices={ x left=xLeft x right=xRight y lower=yLower y upper=yUpper } vertex properties={ minimal radius=verticesMinRadius vertices can grow=verticesGrowing vertices show content=verticesContentShown } edge properties={ edge width=lineWidth edge style=lineStyle edge color=lineColor fill color=fillColor edges are directed=edgesDirected edges have weights=edgesWithWeights edges show weights=edgesShowWeights }thisSpritethisSprite theStage anotherSpritemyPropertiesa simple way to set some costume attributes. 1: width 2: height 3: back color

400300thisSpritethisSprite theStage anotherSpriteStagebackColorxLeft0.1xRight0.9yLower0.9yUpper0.1a simple way to set some vertex attributes: 1: ranges for random coordinates (xLeft,xRight, yUpper,yLower) 2: minimal radius of a vertex, should be changed is vertices are not growing with number of edges 3: boolean: vertices grow with number of connected edges 4: boolean: vertex content is shown. If there is no content, the vertex number is shown

3truefalsethisSpritethisSprite theStage anotherSpriteverticesMinRadiusverticesGrowingverticesContentShowna simple way to set some edge attributes: 1: line width 2: line color 3: boolean: edge is directed 4: boolean: edge has a weight 5: boolean: edge shows weight

1falsefalsefalsethisSpritethisSprite theStage anotherSpritelineWidthlineColoredgesDirectededgesWithWeightsedgesShowWeightsadds a vertex at position. Snap!coordinates means: zero is in the middle of the graph

thisSpritethisSprite theStage anotherSpritetrueoffsetsoffsetsposition1xLeft2yUpper1xRight2yLower4lastvertexListadds n vertices to the vertexList of a GraphPad: Vertex attributes have the following order: 1: x 2: y 3: size 4: content 5: isMarked 6: colorNr 7: numberOfLinks parameter 'null' means 'random vertices'

1thisSpritethisSprite theStage anotherSpritedummySciS_addVerticesToGraph(n,amatrix,vlist,properties,point)adjacencyMatrixvertexListmyPropertiesnullMoves a vertex to another position measured in Snap! sprite-coordinates

1thisSpritethisSprite theStage anotherSprite100truelengthvertexList1vertexList12vertexList2Creates a new edge between two vertices.

12thisSpritethisSprite theStage anotherSprite0lengthvertexList0lengthvertexListadjacencyMatrixXadjacencyMatrixXedgesDirectedCreates n new edges randomly.

1thisSpritethisSprite theStage anotherSpriteresultSciS_addRandomEdgesToGraph(amatrix,n,properties,vlist)adjacencyMatrixmyPropertiesvertexListadjacencyMatrix1vertexList2draws the graph on a GraphPad.

thisSpritethisSprite theStage anotherSpriteinitialCostumecostumeinitialCostumeinitialCostumeinitialCostumeSciS_drawGraphOnGraphPad(amatrix,vlist,properties)adjacencyMatrixvertexListmyPropertiesinitialCostumeDeletes a vertex.

1thisSpritethisSprite theStage anotherSprite0lengthvertexListDeletes an edge.

12thisSpritethisSprite theStage anotherSprite0lengthvertexList0lengthvertexListadjacencyMatrix0edgesDirected

12thisSpritethisSprite theStage anotherSprite0lengthvertexList0lengthvertexListSets the weight of an edge.

121thisSpritethisSprite theStage anotherSprite0lengthvertexList0lengthvertexList

thisSpritethisSprite theStage anotherSpritefrom vertex nrnumberInput for start vertex.

thisSpritethisSprite theStage anotherSpritenew start vertexwidth (1....20)number

1thisSpritethisSprite theStage anotherSprite0lengthvertexListSets the content of a vertex.

1thisSpritethisSprite theStage anotherSprite0lengthvertexListInput for a new vertex content.

thisSpritethisSprite theStage anotherSpritevertex numbernumberTells a vertex to be marked.

1thisSpritethisSprite theStage anotherSprite0lengthvertexListDeletes a marker.

1thisSpritethisSprite theStage anotherSprite0lengthvertexListDeletes all markers.

thisSpritethisSprite theStage anotherSpriteitemvertexListDepth first search in a graph.

1thisSpritethisSprite theStage anotherSprite0lengthvertexListBreadth first search in a graph.

1thisSpritethisSprite theStage anotherSprite0lengthvertexListReports the Euclidean distance of two vertices.

thisSpritethisSprite theStage anotherSprite120lengthvertexList0lengthvertexListShortes path between two vertices, using Dijkstra-method.

12thisSpritethisSprite theStage anotherSprite0lengthvertexList0lengthvertexListShortes paths between startVertex and all connected vertices, using Dijkstra-method.

1thisSpritethisSprite theStage anotherSprite0lengthvertexListReturns the vertexnumber of a vertex near (x|y), if there is one.

thisSpritethisSprite theStage anotherSpritetruepositionoffsetsoffsetsSciS_vertexnumberAtGraph(vlist,properties,position)vertexListmyPropertiesReports the vertexnumber of the vertex with the specified content. If not found then reports 0.

PeterthisSpritethisSprite theStage anotherSpritenr0itemvertexList0

meanmeancolumn2thisSpritetrue1length2

numberXdiagramSpriteduplicateselfDiagramSpriteDiagramSprite400300lightGrayfalsetrue15DiagramSpriteEdges per Node18Number of Edges16Number of Vertices166DiagramSpritetrueDiagramSprite

Creates a new empty costume of the specified size and color ans sets local properties for a NeuralNet.

thisSpritethisSprite theStage anotherSprite400300lightGrayblack gray lightGray white red orange yellow green cyan blue magentafalsefalse15costume properties: 1: width 2: height 3: back color red 4: back color green 5: back color blue 6: left offset for NN position on stage 7: upper offset for NN position on stage neural net properties: 1: number of layers 2: layer width 3: width of NN 4: height of NN

thisSpritethisSprite theStage anotherSpriteSets the value of an existing property or inserts it anew.

numberOfLayerstypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } net properties={ number of layers=numberOfLayers layer width=layerWidth net width=netWidth net height=netHeight input list=inputs }thisSpritethisSprite theStage anotherSpritemyPropertiesReads the value of an existing property.

numberOfLayerstypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } net properties={ number of layers=numberOfLayers layer width=layerWidth net width=netWidth net height=netHeight input list=inputs }thisSpritethisSprite theStage anotherSpritemyPropertiesa simple way to set some costume attributes: 1: width 2: height 3: back color 4: offsets for NN position on stage

400300thisSpritethisSprite theStage anotherSpriteStagenetWidthnetHeightoffsets00backColora simple way to set net attributes: 1: number of layers 2: layer width

23thisSpritethisSprite theStage anotherSpritenumberOfLayerslayerWidthCreates a fully connected neural network of perceptrons. Inputs should be connected to layer 1, outputs to last layer.

23thisSpritethisSprite theStage anotherSpritemyDataone matrix for each layer1myDatanumberOfLayerslayerWidthReports the output of the nth layer of a neural network with given input.

last1 lastthisSpritethisSprite theStage anotherSpriteinputinputslength0vectorlayerWidthlengthDraws the nodes and current status of connections of an NN as new costume.

thisSpritethisSprite theStage anotherSpriteinputinputslength0layerWidthlengthSciS_NNshowStatus(properties,weights,outputs,costume,isStage)myPropertiesmyDatacostumeStageA block for teaching a neural net.

0.1thisSpritethisSprite theStage anotherSpritewidthlayerWidthlengthlength

thisSpritethisSprite theStage anotherSprite

Creates a new empty costume of the specified size and color and sets local properties

thisSpritethisSprite theStage anotherSprite400300lightGrayblack gray lightGray white red orange yellow green cyan blue magentafalsefalse15redgreenbluegrayorangecyanmagentayellowwhitetruemyData1010myDataCostume attributes and line attributes same as SketchPad. other attributes: numberOfGridColumns numberOfGridRows cellWidth cellHeight cellColors 1: black 2: red 3: green 4: blue 5: gray 6: orange 7: cyan 8: magenta 9: yellow 10: lightGray 11: white Reports whether the sprite is configured as a GridPad.

thisSpritethisSprite theStage anotherSpriteSets the value of an existing property or inserts it anew.

typeOfConfigurationtypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } line properties={ line width=lineWidth line style=lineStyle line color=lineColor fill color=fillColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } grid proterties={ number of grid columns=numberOfGridColumns number of grid rows=numberOfGridRows cell width=cellWidth cell height=cellHeight cell colors=cellColors with grid lines=withGridLines }thisSpritethisSprite theStage anotherSpritemyPropertiesReads the value of an existing property.

typeOfConfigurationtypeOfConfiguration typeOfData costumeProperties={ width=costumeWidth height=costumeHeight back color=backColor offsets=offsets front color=frontColor } text properties={ text height=textHeight orientation=textOrientation } closebutton properties={ with closebutton?=withCloseButton position=closeButtonLeft size=closeButtonSize } grid properties={ number of grid columns=numberOfGridColumns number of grid rows=numberOfGridRows cell width=cellWidth cell height=cellHeight cell colors=cellColors with grid lines=withGridLines }thisSpritethisSprite theStage anotherSpritemyPropertiesa simple way to set some costume attributes: 1: width 2: height 3: back color red 4: back color green 5: back color blue 6: left offset for Image position on stage 7: upper offset for Image position on stage

40030000thisSpritethisSprite theStage anotherSpriteStagea simple way to set some net attributes: line properties: 1: line style 2: lineWidth 3: line color 4: fill color

continuouscontinuous dashed dash-dot dot-dot1thisSpritethisSprite theStage anotherSpritelineWidthlineStylelineColorfillColora simple way to set some grid attributes: 1: number of horizontal cells 2: number of vertical cells 3: cell width 4: cell height grid data are stored in myData

thisSpritethisSprite theStage anotherSprite403011truewhfloorcostumeWidthwsfloorcostumeHeight11numberOfGridRowsnumberOfGridColumnscellWidthcellHeightcellHeightwithGridLinesmyDatamyDataDraws a grid on an GridPad.

myDatathisSpritethisSprite theStage anotherSpritemyDatamatrixnumberOfGridColumnsthisSpritelength1numberOfGridRowsthisSpritelengthSciS_addGridToGridPad(costume,properties,withLines,data)costumemyPropertieswithGridLinesFills a grid or a part of a grid with one of the specified values.

thisSpritethisSprite theStage anotherSprite1xMax1yMaxxMaxyMaxmyDataSciS_fillOnGridPadGridRandomlyOnImagePad(xMin,xMax,yMin,yMax,numbers,data)myDatamyDatasets the value of a grid cell

thisSpritethisSprite theStage anotherSprite1targetCostumecostumetargetCostumeWidthwidthtargetCostumeHeightheightStage11myDataObtaining data with the mouse from a grid stored in myData.

cellValuecell value=cellValue cell coodinates=cellCoordinates costume coordinates=costumeCoordinatesthisSpritethisSprite theStage anotherSpriteselection1 targetCostumecostumetargetCostumeWidthwidthtargetCostumeHeightheightStagecostumeCoordinatescostume coordinates.cellCoordinatescoordinates of a grid cellcellValuevalue of a grid cellSets the value of a grid cell an shows the result.

thisSpritethisSprite theStage anotherSprite112true11numberOfGridColumnsnumberOfGridRows

thisSpritethisSprite theStage anotherSprite1111numberOfGridColumnsnumberOfGridRowsReports the Moore- or v.-Neumann-neighborhood of a cell. Order: north,east,south,west

MooreMoore vonNeumannfalse11thisSpritethisSprite theStage anotherSpriteSciS_neighborhoodInGridOnImagePad(data,properties,x,y,isTorus,typeOfNeighborhood)myDatamyPropertiesSwaps the cell values of a grid randomly.

thisSpritethisSprite theStage anotherSpritetrue111xMax1yMaxxMaxyMax1numberOfGridColumns1numberOfGridRowsSciS_swapCellsOfGridOnGridPad(data,n,isTorus,range,xMin,xMax,yMin,yMax)myDataabsCounts the surrounding values and changes it if necessary.

thisSpritethisSprite theStage anotherSpritetrueanyany22greater-thangreater-than equal-to smaller-than different-from41false51xMax1yMaxxMaxyMaxSciS_changeSurroundingValuesOfGridOnGridPad(data,ifValue,elseValue,surrValue,op,n,isTorus,withNoise,noise,xMin,xMax,yMin,yMax,oldValue)myData1 1 Replaces the cell values of a grid depending on the features of the neighbors.

thisSpritethisSprite theStage anotherSpritetruesumsum min max mean1xMax1yMax1xMaxyMaxSciS_replaceValuesOfGridOnImagePad(data,operation,isTorus,xMin,xMax,yMin,yMax,range)myData1 absCombines two grids.

1orand or xor not-and not-or not-xor minus212xMaxlength1length1length1length1yMaxlengthlengthlengthlengthSciS_combineGridsOnGridPad(grid1,grid2,value1,operator,value2,ifValue,elseValue,xMax,yMax)

Sets the size of a sprite so that it fits into the specified stage area.

thisSpritethisSprite anotherSprite-200200200-200spriteWidthwidthcurrentspriteHeightheightcurrentwindowWidthwindowHeightStage100100

thisSpritethisSprite theStage anotherSpriteJavaScriptJavaScript Snap!positionJavaScript1lefttop2

thisSpritethisSprite theStage anotherSpritereceiveGoreceiveGo receiveKey enter receiveKey space receiveKey + receiveKey - receiveKey up arrow receiveKey down arrow receiveKey left arrow receiveKey right arrow receiveInteraction clicked receiveInteraction pressed receiveInteraction mouse-entered receiveInteraction mouse-departed receiveInteraction scrolled up receiveInteraction scrolleddown receiveMessageangle: directionLineEnd12receiveInteraction mouse-departedisMovingTheLineToolmyWindowTheLineToolLineEnd1receiveInteraction mouse-departedisMovingLineEnd1myWindowTheLineToolLineEnd2receiveInteraction mouse-departedisMovingLineEnd2myWindowTheLineToolsizeTheSquareToolreceiveInteraction scrolleddownsizeTheSquareTool

receiveGoreceiveGo receiveKey enter receiveKey space receiveKey + receiveKey - receiveKey up arrow receiveKey down arrow receiveKey left arrow receiveKey right arrow receiveInteraction clicked receiveInteraction pressed receiveInteraction mouse-entered receiveInteraction mouse-departed receiveInteraction scrolled up receiveInteraction scrolleddown receiveMessage getDatasize/55isActiveSciS_changeToolCostume(size,tool,color)squareToolgreenRGB-valueSciS_changeToolCostume(size,tool,color)squareToolorangeRGB-value16getDatareceiveInteraction mouse-departedreceiveKey +isActiveSciS_changeToolCostume(size,tool,color)squareToolgreenRGB-valuereceiveKey -isActiveSciS_changeToolCostume(size,tool,color)squareToolgreenRGB-valuereceiveKey left arrowisActivereceiveKey right arrowisActivereceiveKey up arrowisActivereceiveKey down arrowisActive

20costumestheWindowmyself33

20costumestheWindowmyselfremoveline15createline15TheLineTool

20costumestheWindownewSpritethisSpriteTheWindow-200150frontActivate SquareTools by mouseclick, enlarge or reduce activated SquareTools by +/- keys, move them by arrow keys. Get data by shift-click on a SquareTool.createa squareTheWindow501mySquareToolscreatea squareTheWindow50createa squareTheWindow50Random graphic, inspired by "Merzbild 1a - the psychiatrist" painted by Kurt Schwitters.

20502050lightGrayStageHilbertoLeft350-250The reaction of the sprite must be defined in the block "let <sprite> respond to <event>".

5Hilbertocostumeschoose costumereceiveKey +add three event handlerreceiveKey -receiveInteraction clickedLet me grow/shrink by pressing the +/- buttons or delete me by mouse click.choose costumeConverts a variadic position parameter into a position.

Converts a variadic color parameter into a RGB(A)-value.

length4length1listtruetrueCurrently not used.

any textApplies a Wolfram Cellular Automaton to a grid.

3031SciS_applyWolframAutomatonToAgridOnGridPad(no,grid,color0,color1)Reports whether the set is numerical or not.

this set2Installs an event handling method for a sprite.

receiveGoreceiveGo receiveKey enter receiveKeyspace receiveKey + receiveKey - receiveKey up arrow receiveKey down arrow receiveKey left arrow receiveKey right arrow receiveInteraction clicked receiveInteraction pressed receiveInteraction mouse-entered receiveInteraction mouse-departed receiveInteraction scrolled up receiveInteraction scrolleddown receiveMessagethisSpritethisSprite theStage anotherSpritecallerselfxml<script app="Snap! 9.0, https://snap.berkeley.edu" version="2"><script><block s="Go0Key0receiveMessage0receiveInteraction0xml</block><custom-block s="let %s respond to %s"><block s="reportObject"><l><option>myself</option></l></block><l></l></custom-block></script></script>

Extracts the words in upper case from a text, e.g. for statistical analysis or cryptographic purposes.

AZReports a list [p(category1), p(category2), LagrangeSmoothing1, LagrangeSmoothing2, probabilities1, probabilities2) for naive Bayes classification of texts.

pCat1lengthlengthlengthpCat2lengthlengthlengthtext11i2lengthtext21i2lengthtext1text2countedWords1length10 countedWords2length10 vocabulary1column1truevocabulary2column1truetotal vocabularylengthTotalVocabularylengthlengthVocabulary1lengthlengthVocabulary2lengthconditional probabilities1valueconditional probabilities2value11

this textresult1factor6numberresult2

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