Issue 923 in moose-technology: EyeSee red-square-of-death from ESValueLabelDecorator>>chooseNonOverlappingValues

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 923 by [hidden email]: EyeSee red-square-of-death from  
ESValueLabelDecorator>>chooseNonOverlappingValues
http://code.google.com/p/moose-technology/issues/detail?id=923

ESValueLabelDecorator>>chooseNonOverlappingValues has the line...
     chosenValues add: (self values minValue: [:each | each value]).

but minValue: injects (Float infinity) so that if  'self values' is empty  
then (Float infinity) is added to choseValues, which later are #rounded  
causing an error in the Morph drawing and subsequent RSOD for the EyeSee  
morph.

I am not sure if I've done something wrong that causes 'self values' to be  
empty, but in any case, this should not kill the Morph.

Just for further information, here is the triggering code...
        browser transmit from: #navigationtree; to: #attributes; andShow:
        [ :a |
                 a eyesee
                        title: 'Optimize' ;
                        diagram:
                        [ :renderer :input |
                                renderer scatterplot
                                        diagramTitle: '@', input absorbedLoad asString , 'kW' ;
                                        x: #ratedOutput ;
                                        y: [ :m | m powerLossForAbsorbedLoad: input absorbedLoad  ]  ;
                                        valueAxis ;
                                        addXDecorator: ESValueLabelDecorator new ;
                                        models: (LEKCatalogMotor catalog values sort: [ :m1 :m2 | m1  
ratedOutput < m2 ratedOutput ]).
].

where if in a Workspace I do...
     models:= (LEKCatalogMotor catalog values sort: [ :m1 :m2 | m1  
ratedOutput < m2 ratedOutput ])'.
     models collect: [ :m | m ratedOutput -> m powerLossForAbsorbedLoad: 24  
] explore

...then all the data looks okay.




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Comment #1 on issue 923 by [hidden email]: EyeSee  
red-square-of-death from ESValueLabelDecorator>>chooseNonOverlappingValues
http://code.google.com/p/moose-technology/issues/detail?id=923

Here is an example to isolate the problem from my own code...

The following works as expected...
|diag|
diag := ESDiagramRenderer new.
(diag scatterplot)
     y: [ :x | x squared ];
     x: #value;
     valueAxis;
     models: {1. 2. 3. 4. 5}.
diag open

However replace with the line...
     y: [ :x | x squared negated ];

and you get the error


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Updates:
        Status: WontFix

Comment #2 on issue 923 by [hidden email]: EyeSee red-square-of-death  
from ESValueLabelDecorator>>chooseNonOverlappingValues
http://code.google.com/p/moose-technology/issues/detail?id=923

I think this won't get fixed if we focus on Graph-ET

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Comment #3 on issue 923 by [hidden email]: EyeSee  
red-square-of-death from ESValueLabelDecorator>>chooseNonOverlappingValues
http://code.google.com/p/moose-technology/issues/detail?id=923

fair enough

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