Topics created by spring.freediver

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MSPhysics

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@Rich-O-Brien I put this offer to help on the old thread. I'm not sure if it will be seen, so I'm adding it here too:

I would like to offer to help with work getting MSPhysics updated. I wrote the infamous plugin sph4bar in 2006 which models spherical 4 bar mechanisms. I also wrote GeoSketch, a plugin used by aerospace companies.

In a previous life, I worked for Cadsi, where I integrated DADS (Dynamic Analysis and Design System) into CAD systems such as CATIA and Ideas Master Series.

Now I am retired and have time to kill.
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Ruby errors in Sketchup 2021

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@spring.freediver said:

I was not able to find that it was deprecated.

It was more than deprecated. It was removed in Ruby 2.0 and higher (which is SketchUp 2014 and up.)

The CHANELOGs for the Ruby Core is at it's GitHub project repository.
(But the logs are not that easy to read. They often create "Breaking Changes" synopsis in the NEWS files.)
See: https://github.com/ruby/ruby/tree/master/doc

@spring.freediver said:

By the way, I was using http://ruby-doc.com/docs/ProgrammingRuby/ for Ruby documentation, and it still lists nitems as a method of the Array class.

Can you recommend a better site for documentation of the version of Ruby Sketchup is now using?

The ol' "Pick Axe" book you see online was written for Ruby 1.6 !
(Even the first version of SketchUp that came with an API used Ruby version 1.8.0.)

Use the Ruby core documentation for the proper version:
https://ruby-doc.org/core-2.7.2/

There is link at the top for the corresponding Standard Library docs that now also ships with SketchUp (since v2014.)

Also I have an extensive Ruby Resources list at the official SketchUp forum.
https://forums.sketchup.com/t/ruby-learning-resources-wikilists/22861/

~ regards ~
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Make Unique Texture

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For the avoidance of doubt --- here's a base-class free version...
Please implement something like this... 😄
### pass a 'face' as the first argument ### and a second optional argument to convert the image texture into a PNG format ### it returns the new material, or 'nil' if the face is incorrect ### or if there's no face.material.texture... def material_make_unique(face=nil, png=false) return nil unless face return nil unless face.is_a?(Sketchup;;Face) return nil unless mat=face.material return nil unless txt=mat.texture iwi=txt.width ihi=txt.height ### later we use ### texture.size=[w, h] tads=txt.attribute_dictionaries ### nam=mat.display_name alp=mat.alpha col=mat.color mads=mat.attribute_dictionaries ### mats=Sketchup.active_model.materials namp=nam+"1" namp.next! while mats[namp] num=namp.gsub(/^#{nam}/,"") nmat=mats.add(namp) ### tw=Sketchup.create_texture_writer tmp=ENV["TEMP"] ### it's a PC == 'TEMP' or 'TMP' tmp=ENV["TMPDIR"] unless tmp ### it's a MAC tna=File.basename(txt.filename, ".*")+num+File.extname(txt.filename) tna=File.basename(tna, ".*")+".png" if png pth=File.join(tmp, tna).tr("\\","/") tw.load(face, true) tw.write(face, true, pth) ### nmat.alpha=alp nmat.color=col mads.each{|d| d.each_pair{|k,v| nmat.set_attribute(d.name, k, v)}} if mads nmat.texture=pth ntxt=nmat.texture ntxt.size=[iwi, ihi] tads.each{|d| d.each_pair{|k,v| ntxt.set_attribute(d.name, k, v)}} if tads return nmat end
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Observers work differently depending on how Sketchup starts?

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@dan rathbun said:

The API docs say this won't work... because the file is already open (on PC,) by the time the AppObserver gets loaded.

Dan,
In my script:
When double-click on SU file
opening the model in SU execute PRODUCE.sceneobserver (automatically) A Appobserver is also created (which fires PRODUCE.sceneobserver again, but since there already is an observer there is no new one created) When a model is then opened from the file menu the Appobserver is called
Logically and after testing this seems to work ok.

My code here is not complete though, since in my code there is another check to see if the framobserver must be created or not (depending if the opened model has some specific settings)
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Untagged deleted element after using outer_shell on group

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BTW.. there might be some API call that also has the effect of triggering garbage collection.

Try view.refresh()

Hmm.. it also occurs to me, that Sketchup may be wanting to keep references to deleted entities around, just in case the user decides to do an undo.
But a call to all_connected() should not return these entities in the result Array. If it does, then it's the all_connected() method that is bugged.

You said that you were wrapping your code in your own operation... if you didn't (ie you just let Sketchup handle the undo,) I wonder if the error would also occur? Meaning it could be an operation bug.
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Who changed extensions.rb?

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@chris fullmer said:

Could we just re-write the sunposition plugin and send him an updated copy? It does not re-write that much. I started doing it yesterday, but in the end got in a little bit over my head. Anyone wanna give it a go?

Chris

Chris,

I did it actually. See this post, which contains the modified version

May be we should publish it in a place which is more accessible

Fredo
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Edge color by material

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I was still editing my post when you replied...
There are lots of ways of modifying your rendering appearance... 😉
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OnUserText

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@spring.freediver said:

It is odd that my other tools worked without it.

hm..? Are you sure you haven't got that method in your other tools? I've never seen it possible without this method.
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Model Hierarchy

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A definition.name applies to every instance, as in instance.definition.name - which can't be "" - but an instance ALSO has it's own name - which might be "" - instance.name ?
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Entity.parent gives wrong type

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If you make a group into a component it will take the original 'Group#nn' name as the definition's name.
You have to use definition.name="new_name" to change it to something else.
When you place an instance you can give that a separate name [Entity Info].
So you can have a component definition named "My_component" and the instances of it can also have their own names "v1", "v2" etc...
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Ruby system call

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Yes, that works. Thanks Jim.
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Problem with UVHelper

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Ah! I see it now.

Use tw = Sketchup.create_texture_writer instead of tw = Sketchup::TextureWriter.new.

I'll add it to the list of errors in the manual: http://www.sketchucation.com/forums/scf/viewtopic.php?f=180&t=17047