For this task, I think the blob on voxel side would be okay, but off course, the materials would be a nice feature. I have some screendumps of the model(s) I can send, if someone is interested. It isn't very sensitive, but putting them on a public mailinglist is probadly a no go.
Sincerely Michael On Mon, Dec 2, 2013 at 1:55 PM, Marco Nawijn <[email protected]> wrote: > More interesting challenge would be to also keep metadata of the original > CAD model such that you don't have a big BLOB on the voxel side. > This would mean that during the tesselation process of each of the > parts, somehow we need to extract this information. This is particularly > useful if the original model is an assembly. It would be nice to also have > this part information (and thereby the option to color correspondingly) > in the voxel image. > > This probably puts some additional effort in the tesselation part. > > Interesting stuff.... > > Marco > > > > On Mon, Dec 2, 2013 at 1:51 PM, Marco Nawijn <[email protected]> wrote: > >> I could not resist. So I, quickly checked the project description. >> Seems quite straightforward: >> 1. Build tesselation from CAD model, export to VTK (use PythonOCC for >> this) >> 2. Read into VTK and obtain bounding box >> 3. Generate a 3D structured mesh with 5x5x5 cells in the bounding box >> 4. Loop over all cells in the structured mesh and check if it is "in" the >> tesselated >> geometry >> >> One question that remains is when you decide that a voxel is "in" the >> tesselated >> geometry. If the center of the voxel is in, or if all of the corners of >> the voxel are in? >> >> So I guess a week of work (make something relatively robust, document >> properly) >> should be feasible. (I am not offering it though...;) ). >> >> Regards, >> >> Marco >> >> >> >> On Mon, Dec 2, 2013 at 1:35 PM, jelle feringa <[email protected]>wrote: >> >>> >>> Thanks for the heads-up Michael, that's a 1st for this list, so thanks >>> for that! >>> >>> -jelle >>> >>> On Dec 2, 2013, at 1:28 PM, Michael Klitgaard <[email protected]> >>> wrote: >>> >>> Hi everyone, >>> >>> I don't know if it is bad to post here, but my employer have put a task >>> on elance.com about converting a CAD model to a voxel. >>> I would preferable have this done in PythonOCC if I am to support it >>> later. >>> >>> >>> https://www.elance.com/j/voxelize-cad-file-stp-igs-format/50003768/?backurl=aHR0cHM6Ly93d3cuZWxhbmNlLmNvbS9yL2pvYnMvcS1weXRob24v >>> >>> It's just a heads up if anyone is interested. >>> >>> >>> Sincerely >>> Michael >>> _______________________________________________ >>> Pythonocc-users mailing list >>> [email protected] >>> https://mail.gna.org/listinfo/pythonocc-users >>> >>> >>> >>> _______________________________________________ >>> Pythonocc-users mailing list >>> [email protected] >>> https://mail.gna.org/listinfo/pythonocc-users >>> >>> >> > > _______________________________________________ > Pythonocc-users mailing list > [email protected] > https://mail.gna.org/listinfo/pythonocc-users > >
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