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#719 Extended Grid Box axis to make sure a label coord is present both above max coord and below min coord

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This commit is contained in:
Magne Sjaastad
2016-09-02 14:04:17 +02:00
parent c9be561937
commit 191788643c
1 changed files with 97 additions and 35 deletions
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132
ApplicationCode/ModelVisualization/GridBox/RivGridBoxGenerator.cpp
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@@ -69,47 +69,109 @@ void RivGridBoxGenerator::setDisplayModelOffset(cvf::Vec3d offset)
//--------------------------------------------------------------------------------------------------
void RivGridBoxGenerator::setGridBoxDomainCoordBoundingBox(const cvf::BoundingBox& bb)
{
cvf::BoundingBox expandedBB;
{
double expandFactor = 0.05;
double expandFactor = 0.05;
// Use ScalarMapperDiscreteLinear to find human readable tick mark positions for grid box sub division coordinate values
// Expand the range for ScalarMapperDiscreteLinear until the geometry bounding box has a generated tick mark coords
// both below minimum and above maximum bounding box coords
cvf::Vec3d expandedMin;
expandedMin.x() = bb.min().x() - bb.extent().x() * expandFactor;
expandedMin.y() = bb.min().y() - bb.extent().y() * expandFactor;
expandedMin.z() = bb.min().z() - bb.extent().z() * expandFactor;
cvf::Vec3d min = bb.min();
cvf::Vec3d max = bb.max();
cvf::Vec3d expandedMax;
expandedMax.x() = bb.max().x() + bb.extent().x() * expandFactor;
expandedMax.y() = bb.max().y() + bb.extent().y() * expandFactor;
expandedMax.z() = bb.max().z() + bb.extent().z() * expandFactor;
expandedBB.add(expandedMin);
expandedBB.add(expandedMax);
}
m_domainCoordsBoundingBox = expandedBB;
m_domainCoordsXValues.clear();
m_domainCoordsYValues.clear();
m_domainCoordsZValues.clear();
cvf::Vec3d min = m_domainCoordsBoundingBox.min();
cvf::Vec3d max = m_domainCoordsBoundingBox.max();
cvf::ScalarMapperDiscreteLinear m_linDiscreteScalarMapper;
size_t levelCount = 6;
m_linDiscreteScalarMapper.setRange(min.x(), max.x());
m_linDiscreteScalarMapper.setLevelCount(levelCount, true);
m_linDiscreteScalarMapper.majorTickValues(&m_domainCoordsXValues);
{
bool majorTickValuesCoversDomainValues = false;
while (!majorTickValuesCoversDomainValues)
{
m_domainCoordsXValues.clear();
m_linDiscreteScalarMapper.setRange(min.y(), max.y());
m_linDiscreteScalarMapper.setLevelCount(levelCount, true);
m_linDiscreteScalarMapper.majorTickValues(&m_domainCoordsYValues);
cvf::ScalarMapperDiscreteLinear linDiscreteScalarMapper;
linDiscreteScalarMapper.setRange(min.x(), max.x());
linDiscreteScalarMapper.setLevelCount(levelCount, true);
linDiscreteScalarMapper.majorTickValues(&m_domainCoordsXValues);
m_linDiscreteScalarMapper.setRange(min.z(), max.z());
m_linDiscreteScalarMapper.setLevelCount(levelCount, true);
m_linDiscreteScalarMapper.majorTickValues(&m_domainCoordsZValues);
majorTickValuesCoversDomainValues = true;
if (m_domainCoordsXValues[1] > bb.min().x())
{
min.x() = min.x() - bb.extent().x() * expandFactor;
max.x() = max.x() + bb.extent().x() * expandFactor;
majorTickValuesCoversDomainValues = false;
}
if (m_domainCoordsXValues[m_domainCoordsXValues.size() - 1] < bb.max().x())
{
min.x() = min.x() - bb.extent().x() * expandFactor;
max.x() = max.x() + bb.extent().x() * expandFactor;
majorTickValuesCoversDomainValues = false;
}
}
}
{
bool majorTickValuesCoversDomainValues = false;
while (!majorTickValuesCoversDomainValues)
{
m_domainCoordsYValues.clear();
cvf::ScalarMapperDiscreteLinear linDiscreteScalarMapper;
linDiscreteScalarMapper.setRange(min.y(), max.y());
linDiscreteScalarMapper.setLevelCount(levelCount, true);
linDiscreteScalarMapper.majorTickValues(&m_domainCoordsYValues);
majorTickValuesCoversDomainValues = true;
if (m_domainCoordsYValues[1] > bb.min().y())
{
min.y() = min.y() - bb.extent().y() * expandFactor;
max.y() = max.y() + bb.extent().y() * expandFactor;
majorTickValuesCoversDomainValues = false;
}
if (m_domainCoordsYValues[m_domainCoordsYValues.size() - 1] < bb.max().y())
{
min.y() = min.y() - bb.extent().y() * expandFactor;
max.y() = max.y() + bb.extent().y() * expandFactor;
majorTickValuesCoversDomainValues = false;
}
}
}
{
bool majorTickValuesCoversDomainValues = false;
while (!majorTickValuesCoversDomainValues)
{
m_domainCoordsZValues.clear();
cvf::ScalarMapperDiscreteLinear linDiscreteScalarMapper;
linDiscreteScalarMapper.setRange(min.z(), max.z());
linDiscreteScalarMapper.setLevelCount(levelCount, true);
linDiscreteScalarMapper.majorTickValues(&m_domainCoordsZValues);
majorTickValuesCoversDomainValues = true;
if (m_domainCoordsZValues[1] > bb.min().z())
{
min.z() = min.z() - bb.extent().z() * expandFactor;
max.z() = max.z() + bb.extent().z() * expandFactor;
majorTickValuesCoversDomainValues = false;
}
if (m_domainCoordsZValues[m_domainCoordsZValues.size() - 1] < bb.max().z())
{
min.z() = min.z() - bb.extent().z() * expandFactor;
max.z() = max.z() + bb.extent().z() * expandFactor;
majorTickValuesCoversDomainValues = false;
}
}
}
cvf::BoundingBox expandedBB;
expandedBB.add(min);
expandedBB.add(max);
m_domainCoordsBoundingBox = expandedBB;
}
//--------------------------------------------------------------------------------------------------