That would either be using Entities.add_faces_from_mesh for each mesh - if its ok to merge them in the Entities collection. Otherwise you need to iterate one mesh and add all the polygons to the other.

TIG's method of getting the vertices of a face worked for me. Thanks everyone for the replies.

@unknownuser said: button.attachEvent. Yes -that jogged my memory - attachEvent was the IE way. (imagined that later IE (IE7 or IE8) used addEventListener as it's part of the DOM standard. But maybe I was wrong. ...or maybe it depends on the doctype....

sorry, I must be really tired today. I meant you can't use a pickhelper outside of the current context. so If you you have two instances in the model, and you double click one, you can't use the pickhelper on it's sibling.

hmm.... I thought you could lock any entity... but looking at the API - it'd appear only groups and instances can be locked...

Id guess its to do with how ruby expects to receive arguments for the method. If you put brackets around it it should work, i.e. 4%(2) and 2.to_f-(1)

Here is an abridged version: class EntityObserver def onChangeEntity(entity) puts entity.to_s + " changed" end end $entityObserver = EntityObserver.new def addObserver Sketchup.active_model.selection.each{|entity| entity.add_observer($entityObserver)} end def removeObserver Sketchup.active_model.selection.each{|entity| entity.remove_observer($entityObserver)} end If you have one entity selected, it adds and removes fine, but if you have more than one entity selected, it only removes the first entity in the selection.

Thanks Gaieus. That should help me a lot

@cjthompson said: The reason I was asking was in regards to this post: http://forums.sketchucation.com/viewtopic.php?f=180&t=22567 Is it possible that the bounding box's initialize was interfering with the web dialog's? I don't think so because I have seen invalid dialogs aldo, and I'm fairly certain I have not redefined initialize at the top-level. I see invalid dialogs through variables that reference a dialog that has been closed. I've added some example code here.

@chris fullmer said: There is a good chance they are part of the Dynamic Components. yeah. they are part of dcutils.rbs

Or just recreate the dialog every time... def create_dialog @dlg = UI;;WebDialog.new( ... ) @dlg.show { } end

There is a plugin ,driving dimensions ,maybe its a start towards what you are looking for. http://drivingdimensions.com/SketchUp/faq.php Bep

Not sure if this is what you want to do... Select the component, context-click and [Save as], save it to a folder as a new component file. Open the saved file, [select all] - [Cut] - [Paste] Now your cursor is at the corner of the new volume, click at the origin point and paste it there. Save the file and close it. Go back to the file you were previously working on, context-click the component and [Reload], select the saved component file and you're done. Everything your component had as its definitions should be inherited to the reloaded component.

Well, I haven't had many replies, although I do have another question. When you use ASP in the web dialog, as far as I can tell, the ASP post-back doesn't work. I've gotten it to work in the development server. Do I need to use javascript post-back, or am I just missing something?

Think I need to look over my scripts again. Review the ruby code.

thanks for the quick replies. after reading the articles, I tried to use a selection observer, but there seems to be some "gotchas" with it. for example, if you manually select something, it won't trigger the "onSelectionAdd" event, but if it is automatically selected, then it will. any ideas?

@cjthompson said: Is there any way to find the opposite face of a rectangular block without using a raytest? I made a function in my Selection Toys plugin that selects the opposite face. Doesn't use ray testing though. I lops over the connected geometry and finds the nearest opposite face. You can poke around in the code for that if you like.

Name : slot.2.rb Description : This file creates a 2D slot. Parameters : The slot width and length. Menu Item : Draw -> Slot Context Menu: NONE Usage : N/A Date : 8/14/2006 Author : Doug Herrmann Probably available on Didier's Library Site ?

You can use a transformation object on face and edge entities if you use the entities.transform_entities method: http://code.google.com/apis/sketchup/docs/ourdoc/entities.html#transform_entities That makes it easier to just scale and rotate and stuff. Chris