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(#641) Show user defined polyline using magenta, also visible when mesh is turned off

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This commit is contained in:
Magne Sjaastad
2015-11-30 08:10:10 +01:00
parent ee11d4fde7
commit 1208c2f468
4 changed files with 87 additions and 0 deletions
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45
ApplicationCode/ModelVisualization/RivCrossSectionGeometryGenerator.cpp
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@@ -26,6 +26,7 @@
#include "cvfDrawableGeo.h"
#include "cvfPrimitiveSetDirect.h"
#include "cvfPrimitiveSetIndexedUInt.h"
#include "cvfScalarMapper.h"
@@ -1149,6 +1150,50 @@ cvf::ref<cvf::DrawableGeo> RivCrossSectionGeometryGenerator::createMeshDrawable(
return geo;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::ref<cvf::DrawableGeo> RivCrossSectionGeometryGenerator::createLineAlongPolylineDrawable()
{
std::vector<cvf::uint> lineIndices;
std::vector<cvf::Vec3f> vertices;
cvf::Vec3d displayOffset = m_hexGrid->displayOffset();
for (size_t pLineIdx = 0; pLineIdx < m_polyLines.size(); ++pLineIdx)
{
const std::vector<cvf::Vec3d>& m_polyLine = m_polyLines[pLineIdx];
if (m_polyLine.size() < 2) continue;
for (size_t i = 0; i < m_polyLine.size(); ++i)
{
vertices.push_back(cvf::Vec3f(m_polyLine[i] - displayOffset));
if (i < m_polyLine.size() - 1)
{
lineIndices.push_back(static_cast<cvf::uint>(i));
lineIndices.push_back(static_cast<cvf::uint>(i + 1));
}
}
}
if (vertices.size() == 0) return NULL;
cvf::ref<cvf::Vec3fArray> vx = new cvf::Vec3fArray;
vx->assign(vertices);
cvf::ref<cvf::UIntArray> idxes = new cvf::UIntArray;
idxes->assign(lineIndices);
cvf::ref<cvf::PrimitiveSetIndexedUInt> prim = new cvf::PrimitiveSetIndexedUInt(cvf::PT_LINES);
prim->setIndices(idxes.p());
cvf::ref<cvf::DrawableGeo> polylineGeo = new cvf::DrawableGeo;
polylineGeo->setVertexArray(vx.p());
polylineGeo->addPrimitiveSet(prim.p());
return polylineGeo;
}
//--------------------------------------------------------------------------------------------------
/// Remove the lines from the polyline that is nearly parallel to the extrusion direction
//--------------------------------------------------------------------------------------------------