I have improved the error message.
--
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Alexandre Bergel
http://www.bergel.eu
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> On Mar 9, 2016, at 4:18 PM, Johan Fabry
jfabry@dcc.uchile.cl wrote:
>
> Hola,
>
> in part of the code of LRP I work with arrows, and I need to get the shape, but this triggers a DNU. I guess I need to set something on the arrow before I can get the element, or get it via another route. What should I do?
>
> Relevant code below:
>
> arrow := RTArrowedLine new
> color: trans color;
> edgeFrom: efrom to: eto;
> withOffsetIfMultiple.
> element := arrow element.
>
> Gives me:
>
> RTElement(Object)>>doesNotUnderstand: #to
> RTShorterDistanceWithOffsetAttachPoint(RTAbstractShorterDistanceAttachPoint)>>basicStartingPointOf:
> RTShorterDistanceWithOffsetAttachPoint>>basicStartingPointOf:
> RTShorterDistanceWithOffsetAttachPoint(RTAttachPoint)>>startingPointOf:
> RTLine(RTAbstractLine)>>updateFor:trachelShape:
> RTLine(RTShape)>>trachelShapeFor:
> RTArrowedLine>>trachelShapeFor:
> RTElement(RTShapedObject)>>addShape:
> RTArrowedLine(RTShape)>>element
> LRPProgramVisualization>>buildTransition:withElements:forView:
>
>
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> Johan Fabry -
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> PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile
>
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