8:18 p.m.
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
8:54 p.m.
New subject: Roassal DNU getting the element from an RTArrowedLine
element := arrow element.
This is very odd line, why do you do this? You don't ask line shapes for
elements, because they have none, they are edges.
Didn't you mean to write this instead?
arrow := RTArrowedLine new
color: trans color;
withOffsetIfMultiple.
edge := arrow edgeFrom: efrom to: eto.
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:
---> Save our in-boxes! http://emailcharter.org <---
Johan Fabry - http://pleiad.cl/~jfabry
PLEIAD and RyCh labs - Computer Science Department (DCC) - University
of Chile
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9:51 p.m.
New subject: Roassal DNU getting the element from an RTArrowedLine
On Mar 9, 2016, at 16:54, Peter Uhnák <i.uhnak(a)gmail.com>
wrote:
element := arrow element.
This is very odd line, why do you do this? You don't ask line shapes for elements,
because they have none, they are edges.
Didn't you mean to write this instead?
arrow := RTArrowedLine new
color: trans color;
withOffsetIfMultiple.
edge := arrow edgeFrom: efrom to: eto.
I needed to do a when: TRMouseClick do: on the element, plus keep it around for later
reference. But the edge seems to work equally well, so that’s great, thanks! :-)
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Johan Fabry - http://pleiad.cl/~jfabry
PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile
6:14 p.m.
New subject: Roassal DNU getting the element from an RTArrowedLine
Yes it does
--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
On Mar 9, 2016, at 5:50 PM, Johan Fabry <jfabry(a)dcc.uchile.cl>
wrote:
I needed to do a when: TRMouseClick do: on the element, plus keep it around for later
reference. But the edge seems to work equally well, so that’s great, thanks! :-)
6:13 p.m.
New subject: Roassal DNU getting the element from an RTArrowedLine
Hi Johan,
I have improved the error message.
Alexandre
--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
On Mar 9, 2016, at 4:18 PM, Johan Fabry <jfabry(a)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:
---> Save our in-boxes! http://emailcharter.org <---
Johan Fabry - http://pleiad.cl/~jfabry
PLEIAD and RyCh labs - Computer Science Department (DCC) - University of Chile
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2637
days inactive
2638
days old
4 comments
3 participants
participants (3)
-
Alexandre Bergel -
Johan Fabry -
Peter Uhnák