Reliable retrieval of dynamic component attributes
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Hi there,
Newbie here, trying to figure out dynamic component attributes. I'm trying to write a script that returns the name and the lenx, leny, lenz attributes of all the dynamic component instances in a model. I've got a script that works (ie it runs without error), but it doesn't return any values. It returns either empty strings or 'nil'. I've discovered that if I update the attributes of a particular instance with the 'Component Attributes' dialog, it will then return the values I have input, but only those values. Furthermore, those values don't change if I subsequently rescale the component with the scale tool.
Also, I've noticed that if I use the set_attribute method to update an attribute, the component in question will not change in the model, but I will be able to retrieve the updated value using get_attribute.
I've seen talk on these forums of 'redrawing' components, but there is no redraw method listed in the API. Have I missed something? Is there some way to update/refresh attributes as well as the model view? Any help would be greatly appreciated.
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There are some special commands for redrawing DCs that are not in the main API docs, but the DC docs and other sources...
This has a ...
dcs = $dc_observers.get_latest_class dcs.redraw_with_undo(sang)
example
http://stackoverflow.com/questions/8507476/sketchup-dynamic-component-options-manipulating-from-ruby
Or here https://groups.google.com/forum/?fromgroups=#!topic/sketchupruby/630uerkDhJI
There are also several posts at SCF, like this one http://sketchucation.com/forums/viewtopic.php?f=180&t=41567
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