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6621 discussions

Composite Chart Diagrams
by Usman Bhatti 03 Dec '14

03 Dec '14

Hi Alex, In Eyesee, we have the concept of composite diagrams i.e. you can have multiple charts in the same diagram with individual y axes (see attached screenshot). This is a handy concept because not only you could have two charts on the same diagram but each chart has its own axis. For comparing disparate values, this is convenient because one does not need to think about normalizing Y values of charts to the same scale. One example could be showing trends of software metrics over time. I saw that you ported more code from Charter to Grapher so I am having a look at the examples. Is it possible to have composite chart diagrams with Grapher? Do you plan to add this feature? Here is a exemplary script that illustrates the need for composite diagrams: | grapher minDate ds random dates grapherBlock| dates := (Array with: Date today with: Date yesterday with: Date tomorrow) collect: #asDateAndTime. minDate := dates min. random := Random seed: 10. grapher := RTGrapherBuilder new extent: 300 @ 200; yourself. grapherBlock := [:index | ds := RTDataSet new. ds interaction popup. ds dotShape ellipse color: (Color red alpha: 0.5); size: 10. ds points: dates sorted; x: [ :aDate | aDate asUnixTime - minDate asUnixTime ]; connectColor: (Color random alpha: 0.5); y: [ :d | (random nextInt: 100) * index]. grapher add: ds]. 100 to: 103 do: grapherBlock. 1 to: 3 do: grapherBlock. grapher axisConfiguration noDecimals. grapher axisY. grapher axisConfiguration labelRotation: -30; title: ''; numberOfLabels: dates size - 1; labelConvertion: [ :v | (DateAndTime fromUnixTime: v + minDate asUnixTime) asDate ] . grapher axisX; build. grapher view open regards, Usman [image: Inline image 2] [image: Inline image 3] [image: Inline image 1]

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A result of the pharo lecture we had in Bolivia
by Alexandre Bergel 02 Dec '14

02 Dec '14

Hi! We had a wonderful week here in Cochabamba, Bolivia. Juan-Pablo, Juraj and I have taught Pharo and Moose during 5 days. Was pretty cool! Here is a script that shows that one of the group was able to produce in just 3 days. The figures analyze the content of my package-cache directory. It shows the number of commit per day, per hour, per author. -=-=-=-=-=-=-=—= myRepository := MCCacheRepository default. myRepository allVersionNames. packageNames := myRepository allVersionNames select: [ :e | 'Roassal*' match: e ]. "packageNames := myRepository allVersionNames. " lista := packageNames collect: [ :packageName | myRepository versionInfoFromVersionNamed: packageName. ]. autores := lista groupedBy: [ :e | e author ]. fechas := lista groupedBy: [ :e | e date ]. horas := lista groupedBy: [ :e | e time hour ]. c := RTComposer new. v := c view. c gap: 50. popup := RTPopup text: [:assoc | assoc key asString, ', commits:', assoc value size asString]. elements := (RTEllipse elementsOn: fechas associations). v addAll: elements @ popup. builder := RTGlobalBuilder new. builder view: v; normalizeX: [ :e | e key asTimeStamp asUnixTime ] min: 0 max: 50000; normalizeSize: [:e | e value size ] min: 10 max: 20; normalizeColor: [:e | e value size ]; alphaColor: 0.3; elementsToConsider: elements; execute. "We add a line from the left most element to the right most element" v add: ((RTLine new color: Color lightGray) edgeFrom: v elements leftMostElement to: v elements rightMostElement). "It make sense to only drag horizontally" v @ RTHorizontalDraggableView. c propagateHighlight. c group: 'date'. listTags := Array new: autores size. autores doWithIndex: [ :each :i| test := each groupedBy: [ :e | e date ]. elements := (RTEllipse elementsOn: test associations). v addAll: elements @ popup. builder elementsToConsider: elements; execute. v add: ((RTLine new color: Color lightGray) edgeFrom: elements leftMostElement to: elements rightMostElement). newTag := 'Author' asString, i asString. listTags at: i put: newTag. c propagateHighlight. c group: newTag. ]. popup := RTPopup text: [:assoc | 'Hour: ' asString, assoc key asString, ', commits:', assoc value size asString]. elements := (RTEllipse elementsOn: horas associations). v addAll: elements @ popup. builder := RTGlobalBuilder new. builder view: v; normalizeX: [ :e | e key ] min: 0 max: 380; normalizeSize: [:e | e value size ] min: 10 max: 20; normalizeColor: [:e | e value size ]; alphaColor: 0.3; elementsToConsider: elements; execute. v add: ((RTLine new color: Color lightGray) edgeFrom: elements leftMostElement to: elements rightMostElement). c propagateHighlight. c group: 'Hour'. popup := RTPopup text: [:assoc | assoc author asString, ', ' , ' message size: ', assoc message size asString]. elements := (RTEllipse elementsOn: lista). v addAll: elements @ popup. builder := RTGlobalBuilder new. builder view: v; normalizeX: [ :e | e timeStamp asUnixTime ] min: 0 max: 50000; normalizeSize: [ :e | e message size ] min: 10 max: 20; normalizeColor: [ :e | e message size ]; alphaColor: 0.3; elementsToConsider: elements; execute. v add: ((RTLine new color: Color lightGray) edgeFrom: elements leftMostElement to: elements rightMostElement). c propagateHighlight. c group: 'Comment'. listTags doWithIndex: [ :e :i| (i == 1) ifTrue: [ c move: e below: 'date'. last := e. c nameGroup: 'date' as: 'History by Date'. aAuthor := autores keys at: i. c nameGroup: e as: 'History by: ' asString, aAuthor asString. ] ifFalse: [ c move: e below: last. last := e. aAuthor := autores keys at: i. c nameGroup: e as: 'History by: ' asString, aAuthor asString. ] ]. c move: 'Hour' below: last. c nameGroup: 'Hour' as: 'History by Hour'. c move: 'Comment' below: 'Hour'. c nameGroup: 'Comment' as: 'History by Comment'. "We add a small legend" v canvas addFixedShape: (TRLabelShape new text: 'History of Changes'). TRConstraint stickAtTheBottomOfTheWindow: v canvas fixedShapes last. ^v -=-=-=-=-=-=-=—= Cheers, Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

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Non-flow Glamour philosophy
by Yuriy Tymchuk 02 Dec '14

02 Dec '14

Hi, sorry for bothering, but I’m trying to understand what I can use to build cool UIs. And with GToolkit I’ve started to think about Glamour. I’ve read a chapter in Deep Into Pharo book, and all there is in Moose Book. And everywhere there is this idea of “flow”, that one parts of visualization, are representing something transmitted from other parts. There are a lot of cases when I want to do something that does not have this notion of a flow. For example I want to have a main view and then use some widgets to modify it, or I have two representations of the same model and want to keep them in sync. Should I use a “dynamic presentation” for that? Are there any real projects like that, to see how they are implemented? Uko

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RTPieBuilder custom label is posible?
by Nelson Garcia 02 Dec '14

02 Dec '14

I' trying to customize label in RTPieBuilder this is my sample. b := RTPieBuilder new. b interaction popup. b view: v. b objects: listByRegion associations. b slice: [ :e | e value size ]. b globalRule distinctColor. "b labelled." b label: (RTLabel new text: 'label test'). b build. I commented "b labelled", but when I try to set label with RTLabel I get it error in trachelShape, there is a way to set a custom label?

3 2

Is the Roassal easel really useful?
by Alexandre Bergel 01 Dec '14

01 Dec '14

Thanks to the advances of GT, I have my doubt about the usefulness of the easel. Cheers, Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

4 6

Woden processor occupation and text highlight
by Yuriy Tymchuk 01 Dec '14

01 Dec '14

Hi, first of all let me know where I can write questions about Woden (because I have not seen a lot of activity around it in any chat). Woden and Roassal3D have a problem that when the 3D window is shown, text highlighting is not working. Usually it’s not a big deal, but Rubric writes white text on white background :). I think a problem like that was already in Roassal2 and maybe someone remembers how to solve that? Uko

4 3

Woden-GT integration
by Yuriy Tymchuk 01 Dec '14

01 Dec '14

Hi everyone, I think that during ESUG Woden was integrated into Toolkit in a way, what you can see a 3D visualization as one of the representations of the view. Is there any additional package that provides this functionality? Uko

2 1

regenerating Ada parser
by Nicolas Anquetil 01 Dec '14

01 Dec '14

Thierry, I am having difficulties re-generating the Ada parser I take the Ada grammar, un-modified (so it should work) and when I try to compile it (LALR(1)) with the SmaCCParserGenerator, I get at the start of the gramar pane: --- SmaCCParserError: Token not expected->#Definition extracted from old style definition comments <char_lit>: \'.\' ; <char_string>: \"(\"\"|[^\n\"])*\" ; [...] --- Do you have an idea what is the problem and more importantly what is the solution? nicolas

1 0

Charter and Grapher
by Usman Bhatti 30 Nov '14

30 Nov '14

Hi Alex, I started to look into Charter and I would like to know which builder to use in Roassal2 for drawing graphs because currently we have RTGrapherBuilder and RTCharterBuilder. It looks to me as if they are providing similar services but RTCharterBuilder is more up to date. regards, usman

2 5

d3 js
by Fabrizio Perin 30 Nov '14

30 Nov '14

In case you don't know yet: http://d3js.org/ "*D3.js** is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS. D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven approach to DOM manipulation."* Here nice examples: https://github.com/mbostock/d3/wiki/Gallery

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