#334 bad results from 3dm import

open-accepted
Sean Morrison
5
2012-10-10
2012-10-09
Anonymous
No

I got someone to export the solid works in 3dm, but the results were not good.

Discussion

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  • Anonymous
    2012-10-10

    • status: pending-accepted --> open-accepted
     

  • Anonymous
    2012-10-10

    Here is an update, the 3dm import worked better than I thought! I just dont know how to use brl-cad, the results are not shown when you load. the design is being show. :D

     
  • Sean Morrison
    Sean Morrison
    2012-10-10

    The design I'm seeing doesn't look right to me. Especially doesn't match the stl version.

    While converting geometry between CAD systems is always painful, note that our 3DM importer and NURBS support (and STEP) are under active development and aren't yet considered stable. We have users that have them in production use, but there are some known issues that we're working through (like slow prep, large memory footprint, limited STEP entity support, etc).

     
  • Sean Morrison
    Sean Morrison
    2012-10-10

    3dm-g import, missing instances and transformations

     
    Attachments
  • Sean Morrison
    Sean Morrison
    2012-10-10

    stl-g import scripted, missing hierarchy and colors but complete

     
    Attachments
  • Sean Morrison
    Sean Morrison
    2012-10-10

    I just attached two renderings that show the difference between the 3dm and stl imports. You can clearly identify most of the parts, but they're not in the right position and many instances (e.g., bolts in the panels) are clearly missing.

    Run "tops" to see top-level geometry. Run "draw [object]" to display an object wireframe in the graphics window. Running "rt" within mged should then render geometry being drawn in the graphics window.

     

  • Anonymous
    2012-10-10

    Oh wow, thank you very much for your help! I will try our your script asap.

     

  • Anonymous
    2012-10-10

    hahah, yes, that is the one that i see, the wrong one. 3dm png.

    I will be using github for the rest of this :https://github.com/h4ck3rm1k3/OSE-CEB-Press to hold the data files, will be checking in your script as well. thanks
    mike

     
  • Sean Morrison
    Sean Morrison
    2012-10-10

    You're quite welcome, Mike. I've documented a couple of the issues this data is provoking in our 3dm and step importer, so hopefully someone will get a chance to work on them. If you can code, I'll gladly help steer you in the right direction in our sources as well. It shouldn't be too hard to get either of those fully importing this data, but it will take some time for one of the existing devs to shift gears off their current priorities.

     
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