From 20d6d0475d9986301eaa9a9a6e8d939ed29e7f3c Mon Sep 17 00:00:00 2001 From: barry Date: Thu, 27 Jun 2019 13:53:57 -0700 Subject: [PATCH] Revised documentation for Far overview to include existing ptex images: - added ptex quadrangulation images to the Patch Parmeterization section --- documentation/far_overview.rst | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/documentation/far_overview.rst b/documentation/far_overview.rst index f7b3e717..182091d3 100644 --- a/documentation/far_overview.rst +++ b/documentation/far_overview.rst @@ -369,15 +369,24 @@ It is important to note that this uv parameterization is the intrinsic parameterization within a given patch or coarse face and is distinct from any client specified face-varying channel data. -Patches which result from irregular coarse faces (non-quad faces in the -Catmark scheme, or non-trianglular faces in the Loop scheme) are offset -by the one additional level needed to "quadrangulate" or "triangulate" -the irregular face. - .. image:: images/far_patchUV.png :align: center :target: images/far_patchUV.png +Patches which result from irregular coarse faces (non-quad faces in the +Catmark scheme) are offset by the one additional level needed to +"quadrangulate" the irregular face. It is the indices of these offset +faces that are stored in the PatchParam and used in other classes such +as the Far::PatchMap. These offset indices can be identified from the +coarse face using the Far::PtexIndices class when needed. + ++--------------------------------------------+--------------------------------------------+ +| .. image:: images/ptex_coarse.png | .. image:: images/ptex_quadrangulated.png | +| :align: center | :align: center | +| :width: 100% | :width: 100% | +| :target: images/ptex_coarse.png | :target: images/ptex_quadrangulated.png | ++--------------------------------------------+--------------------------------------------+ + A patch along an interpolated boundary edge is supported by an incomplete sets of control vertices. For consistency, patches in the PatchTable always have a full set of control vertex indices and the PatchParam Boundary bitmask