Hello I would like to use SelBoundary command for checking interference on xy planes.My Goal is to detect objects that interfere with curves in the xy coordinate plane. However, using SelBoundary, the selected object changes depending on the camera position and zoom, even if the original curve is …

Hi - [image] Eisuke Hironaka: However, using SelBoundary, the selected object changes depending on the camera position and zoom, even if the original curve is the same That sounds correct, yes. Have you tried changing the selection mode to Crossing to see if that works better in your case? I…

sample.3dm (26.0 KB) Hello wim Thank you for your comment. I have uploaded a simple sample. There are one Extrude and one Curve object in the file. I want to select all the objects that overlap with the Curve viewed from the Top screen, and I do not want to select the Extrude object whose coord…

Hi Eisuke - I’m missing some steps, perhaps? When I open your file, this is what I see in the “Top” and “Perspective” viewports: [image] [image] Eisuke Hironaka: By using SelBoundary with Crossing mode, the Extrude object is also selected even if it does not interfere on the coordinates whe…

Sorry for the lack of explanation. Please select TopView as shown in the attached screenshot and make the camera far away. [image] Of course, I do not normally use command in this situation, but if I do SelBoundary away like this, the Extrude object will be selected.

Hi Eisuke - [image] Eisuke Hironaka: Please select TopView as shown in the attached screenshot and make the camera far away. Thanks for that clarification. I see that behavior on Rhino 7 here as well. When I test this with the same situation in the current Rhino 8 WIP, that works as expected…

[image] Wim Dekeyser: It looks like this bug got fixed somewhere along the way. Bug or “limitation”… IIRC, SelBoundary was pixel-based (at least partially) and thus the zoom level mattered. Maybe Mikko reworked for V8 it to eliminate this limitation.

Hi Wim Thanks for your testing. It works in Rhino 8, so upgrading is one way to avoid this probrem. Is there any way to work around this in Rhino7?

Hi Eisuke - [image] Eisuke Hironaka: It works in Rhino 8, so upgrading is one way to avoid this probrem. I may have spoken too soon. I’ve reviewed YT reports for the SelBoundary command and nothing has been changed for Rhino 8. In testing further, I can make that fail in Rhino 8 as well. In…

Hi Wim I’m sorry for the misunderstanding as well. Also, thanks for reporting the issue and Grasshopper sample! I usually process objects in TopView. I will check if i can do what I want to do with the sample you provided.

Hi Wim I tried this work around and it worked fine. Thank you! I usually use python scripts, so I tried to make it work with python scripts using the same idea and will share the sample code. import rhinoscriptsyntax as rs def project_to_plane(obj): rs.UnselectAllObjects() rs.SelectObject…

SelBoundary to be independent of zoom

Rhino Rhino for Windows

brian (Brian Gillespie) March 7, 2023, 11:58pm 12

RH-73387 is fixed in the latest WIP

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SelBoundary to be independent of zoom

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