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occt/src/DBRep/FILES
emv b6cf8ffa35 0028385: Improve drawing isolines (DBRep_IsoBuilder algorithm)
1. When computing the iso-lines for the face (*DBRep_IsoBuilder*) prepare the Hatching algorithm with the following elements:
a. Trimmed p-curves of edges. The trimming parameters are computed by intersection with p-curves of the neighboring edges. The trimming will be performed only if the intersection point is covered by the tolerance of common vertex.
b. 2D segments connecting the p-curves of the neighboring edges. These segments will close the 2D gaps, which are closed in 3D by the tolerance of vertices shared between edges. This will allow trimming correctly the iso-lines passing through such gaps.

2. Implementation of the additional Init() method for WireExplorer algorithm taking UV bounds of the face to avoid their repeated computation when work working with a face having multiple wires.

3. Test cases for the issue.
2018-01-23 20:11:08 +03:00

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DBRep.cxx
DBRep.hxx
DBRep_Debug.cxx
DBRep_DrawableShape.cxx
DBRep_DrawableShape.hxx
DBRep_Edge.cxx
DBRep_Edge.hxx
DBRep_Edge.lxx
DBRep_Face.cxx
DBRep_Face.hxx
DBRep_Face.lxx
DBRep_HideData.cxx
DBRep_HideData.hxx
DBRep_HideData.lxx
DBRep_IsoBuilder.cxx
DBRep_IsoBuilder.hxx
DBRep_ListIteratorOfListOfEdge.hxx
DBRep_ListIteratorOfListOfFace.hxx
DBRep_ListIteratorOfListOfHideData.hxx
DBRep_ListOfEdge.hxx
DBRep_ListOfFace.hxx
DBRep_ListOfHideData.hxx