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Use polygon offsett to avoid flickering with mesh lines

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Magne Sjaastad
2014-04-08 08:37:22 +02:00
parent 02c4f8cff7
commit b158c0da9d
3 changed files with 23 additions and 3 deletions
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17
ApplicationCode/ModelVisualization/RivGridPartMgr.cpp
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@@ -43,6 +43,8 @@
#include "RivSourceInfo.h"
#include "cvfRenderState_FF.h"
#include "cafProgressInfo.h"
#include "cvfRenderStatePolygonOffset.h"
#include "cvfRenderStateBlending.h"
@@ -329,6 +331,7 @@ void RivGridPartMgr::updateCellResultColor(size_t timeStepIndex, RimResultSlot*
cvf::ref<cvf::Effect> colorArrayEffect = new cvf::Effect;
cvf::ref<cvf::RenderStateMaterial_FF> mat = new cvf::RenderStateMaterial_FF(cvf::Color3::BLUE);
mat->setAlpha(m_opacityLevel);
mat->enableColorMaterial(true);
colorArrayEffect->setRenderState(mat.p());
@@ -336,6 +339,20 @@ void RivGridPartMgr::updateCellResultColor(size_t timeStepIndex, RimResultSlot*
lighting->enableTwoSided(true);
colorArrayEffect->setRenderState(lighting.p());
// Simple transparency
if (m_opacityLevel < 1.0f)
{
cvf::ref<cvf::RenderStateBlending> blender = new cvf::RenderStateBlending;
blender->configureTransparencyBlending();
colorArrayEffect->setRenderState(blender.p());
}
caf::PolygonOffset polygonOffset = caf::PO_1;
cvf::ref<cvf::RenderStatePolygonOffset> polyOffset = caf::EffectGenerator::createAndConfigurePolygonOffsetRenderState(polygonOffset);
colorArrayEffect->setRenderState(polyOffset.p());
m_surfaceFaces->setPriority(100);
m_surfaceFaces->setEffect(colorArrayEffect.p());
}
else