[Moose-dev] Re: Roassal histogram bars left shifted

-- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > On Jun 16, 2017, at 4:35 PM, Hernán Morales Durand hernan.morales@gmail.com wrote: > > Hi Alex > > I attached another screenshot which describes exactly the problem. > > 2017-06-16 10:40 GMT-03:00 Alexandre Bergel alexandre.bergel@me.com: > Hi Hernán, > > I am not sure what exactly is the problematic situation you describe. Why you cannot simply with with #minX: and #maxX: ? > > > My script actually sets minX: but it is wrongly drawn in the histogram > > For example, I tried to reuse the code you have provided. I can have: > > bins := #(#(1 1 1 1 ) #(2 2 2) #(5 5 5 5 5)). > minPoint := ((bins reject: #isEmpty) detectMin: [ : c | c size ]) anyOne. > > " Build diagram " > g := RTGrapher new > extent: 500 @ 200; > minX: 0; > maxX: 6; > withoutOrigin; > yourself. > ds := RTData new > points: bins; > x: [ : c | c ifEmpty: [ minPoint ] ifNotEmpty: [ : d | d anyOne ] ]; > y: #size. > ds barShape > borderColor: Color black; > color: Color red trans; > width: 30. > g add: ds. > > g > <Screenshot 2017-06-16 09.39.25.png> > > But you can have "minX: 1", which in that case, the first bar is above the Y-Axis. This is what one would expect. > > > The problem is not positioning the bars above the Y-Axis, but positioning them in the X-Axis. > > Which rendering do you wish to have? Can you provide a self-contained piece of code that I can run on my machine? > > > If you have some time you could install BioSmalltalk in Pharo 5 (I haven't tested Pharo 6 yet) and evaluate the problematic expression: > Metacello new > smalltalkhubUser: 'hernan' project: 'BioSmalltalk'; > configuration: 'BioSmalltalk'; > version: #bleedingEdge; > load > > (BioParser parseMultiFastaFile: BioObject testFilesDirectoryName asFileReference / 'ls_orchid.fasta') > plotHistogramBins: 20 > xAxisLabel: 'Sequence lengths (bp)' > yAxisLabel: 'Count' > color: Color red > > Cheers, > > Hernán > > Cheers, > Alexandre > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > >> On Jun 15, 2017, at 1:16 AM, Hernán Morales Durand hernan.morales@gmail.com wrote: >> >> Hi guys, >> >> I am experiencing a problem visualizing histograms in Roassal with Pharo 5. In the attached image you can observe the first bar shape starts from a negative X axis value, where I want to start from 0. Besides, some bars are gapped but I don't know why. >> >> I am using with the following code: >> >> | bins minPoint g ds | >> >> bins := self groupedBySeqLengthDistribution: binNumber. >> minPoint := ((bins reject: #isEmpty) detectMin: [ : c | c size ]) anyOne size. >> >> " Build diagram " >> g := RTGrapher new >> extent: 500 @ 200; >> minX: minPoint; >> withoutOrigin; >> yourself. >> ds := RTData new >> points: bins; >> x: [ : c | c ifEmpty: [ minPoint ] ifNotEmpty: [ : d | d anyOne size ] ]; >> y: #size. >> ds barShape >> borderColor: Color black; >> color: aColor; >> width: barWidth. >> g add: ds. >> >> " Configure axis settings " >> g axisY >> title: axixYLabel; >> color: Color black; >> noDecimal. >> g axisX >> noDecimal; >> fromPoint: minPoint; >> color: Color black; >> title: axisXLabel. >> " Open visualization in a new window " >> g open. >> >> Any idea what I am missing? >> >> Cheers, >> >> Hernán >> <Roassal.jpeg>_______________________________________________ >> Moose-dev mailing list >> Moose-dev@list.inf.unibe.ch >> https://www.list.inf.unibe.ch/listinfo/moose-dev > > > _______________________________________________ > Moose-dev mailing list > Moose-dev@list.inf.unibe.ch > https://www.list.inf.unibe.ch/listinfo/moose-dev > > > <unnamed.jpg>_______________________________________________ > Moose-dev mailing list > Moose-dev@list.inf.unibe.ch > https://www.list.inf.unibe.ch/listinfo/moose-dev