public void FindFacetsIntersectingZIndex_IgnoresFlatFacets_FindsEdgesAndPoints()
{
LoadSTL();
// there are technically 6 facets at this z, but 2 of them are flat
Assert.Equal(4, LinAlgUtils.FindFacetsIntersectingZIndex(_stl, 10).Count);
// sould also find single points
Assert.Equal(4, LinAlgUtils.FindFacetsIntersectingZIndex(_stl, 8).Count);
}
public Slice GetSliceAtZIndex(float z)
{
// cache this in the event you have to retrieve a single value more than once,
// we don't want to have to do this math again
if (!_slices.Keys.Contains(z))
{
var facets = LinAlgUtils.FindFacetsIntersectingZIndex(_stl, z);
_slices[z] = new Slice
{
Lines = facets.Select(f => LinAlgUtils.CreateLineFromFacetAtZIndex(f, z)).ToList()
};
}
return(_slices[z]);
}
public void FindFacetsIntersectingZIndex_ReturnsAppropriateFacets()
{
LoadSTL();
Assert.Equal(4, LinAlgUtils.FindFacetsIntersectingZIndex(_stl, 2).Count);
}