Selection not respecting layer visibility

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Selection not respecting layer visibility

Postby Mark Leichliter » Sun Dec 02, 2007 4:30 pm

Nut sure if this is a known bug or planned behavior, but selection tools like "Select -> All with same Material" do not respect layer visibility. e.g.: create a rectangle and color the face green, then duplicate that rectangle. Create a new layer and assign the second rectangle (with all the edges that define it) to this layer. Uncheck this second layer's visibility to make it invisible. Now click on the original face and context-click "Select -> All with same Material" - the rectangle face in the hidden layer will select. Now run "Select -> Bounding Edges" and the edges of the rectangle on the hidden layer will be selected. This seems like a bug to me, as other selections can and do respect layer visibility - Select All for example.

I often make a duplicate of my geometry and assign it to a hidden layer before making changes to the original geometry - makes having one unfolded and one intact copy of a project inside a single file really easy. The above behavior makes this process a PITA.
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Mark Leichliter 
 

Re: Selection not respecting layer visibility

Postby santiagom » Wed Dec 05, 2007 3:38 am

Hi mark

Layers in skp don´t work as they do in cad. For example, if you have a two connected lines, one on layer x, the other on w, and your current layer is z, if you draw the missing line to complete the triangle, you´ll end up with 2 lines on different layers, the remaining one, and the face automatically generated on another. As you can imagine, this can be very messy.

To avoid this, I draw everything on layer0, group it, and then, move the group (not individual lines or faces) to the layer where i want it to be.
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santiagom 
 

Re: Selection not respecting layer visibility

Postby Mark Leichliter » Wed Dec 05, 2007 5:11 pm

Thanks for your input, Santiago. I'm intimately familiar with SU's odd way of handling layers, and realize that I can group the copied geometry BEFORE I place it on the new layer to prevent this behavior from occurring. But (there's always one of those, isn't there?), that doesn't change my opinion that the selection filters don't work in a logically consistent manner - if "Select All" respects layer visibility, why don't the others? Select All is actually "Select All Visible" - why are the other selection filters ("All with same Material" specifically) not logically consistent with "Select All"?
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Mark Leichliter 
 

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