CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

On 05/11/2015 05:56 PM, Vinicius Azevedo wrote:
> Hi,
>
> I was trying to compute the line formed by the intersection between a
> plane and a mesh. I've tried to follow the same approach as used on
> Polyhedron_cut_demo_plugin, but my segments are not completely on
> counterclockwise orientation. Any ideas?
>
> Application screenshots:
> The cutting plane and the object:
> https://dl.dropboxusercontent.com/u/5919734/bunnyUnorderedSegments.png
> The resulting line formed:
> https://dl.dropboxusercontent.com/u/5919734/bunnyUnorderedSegments2.png
>
> I'm using a similar code to Polyhedron_cut_demo_plugin:
>
> for (auto it = intersections.begin(), end = intersections.end(); it !=
> end; ++it) {
> Segment *pCurrSegment = boost::get<Segment>(&(it->value().first));
> if (pCurrSegment) {
>         points.push_back(pCurrSegment->source());
> }
> }
>
> Thanks!
> Vinicius C. Azevedo.

Here is some code that is computing the intersection of a triangle mesh 
with a plane. The code is currently under review for integration into CGAL.

HTH

Sebastien.

Attachment: slicer.tgz
Description: application/compressed-tar