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   -   http://pleiad.cl/~jfabry
PLEIAD and RyCh labs  -  Computer Science Department (DCC)  -  University of Chile

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