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Improved logarithmic color legends for zero and negative values

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p4#: 21804
This commit is contained in:
Magne Sjaastad
2013-06-03 13:08:11 +02:00
parent 1d3d13c927
commit 0021e2f861
7 changed files with 222 additions and 2 deletions
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76
ApplicationCode/ProjectDataModel/RimLegendConfig.cpp
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@@ -97,7 +97,11 @@ RimLegendConfig::RimLegendConfig()
: m_globalAutoMax(cvf::UNDEFINED_DOUBLE),
m_globalAutoMin(cvf::UNDEFINED_DOUBLE),
m_localAutoMax(cvf::UNDEFINED_DOUBLE),
m_localAutoMin(cvf::UNDEFINED_DOUBLE)
m_localAutoMin(cvf::UNDEFINED_DOUBLE),
m_globalAutoPosClosestToZero(0),
m_globalAutoNegClosestToZero(0),
m_localAutoPosClosestToZero(0),
m_localAutoNegClosestToZero(0)
{
CAF_PDM_InitObject("Legend Definition", ":/Legend.png", "", "");
CAF_PDM_InitField(&m_numLevels, "NumberOfLevels", 8, "Number of levels", "", "","");
@@ -174,28 +178,78 @@ void RimLegendConfig::updateLegend()
{
double adjustedMin = cvf::UNDEFINED_DOUBLE;
double adjustedMax = cvf::UNDEFINED_DOUBLE;
double posClosestToZero = cvf::UNDEFINED_DOUBLE;
double negClosestToZero = cvf::UNDEFINED_DOUBLE;
if (m_rangeMode == AUTOMATIC_ALLTIMESTEPS)
{
adjustedMin = adjust(m_globalAutoMin, m_precision);
adjustedMax = adjust(m_globalAutoMax, m_precision);
posClosestToZero = m_globalAutoPosClosestToZero;
negClosestToZero = m_globalAutoNegClosestToZero;
}
else if (m_rangeMode == AUTOMATIC_CURRENT_TIMESTEP)
{
adjustedMin = adjust(m_localAutoMin, m_precision);
adjustedMax = adjust(m_localAutoMax, m_precision);
posClosestToZero = m_localAutoPosClosestToZero;
negClosestToZero = m_localAutoNegClosestToZero;
}
else
{
adjustedMin = adjust(m_userDefinedMinValue, m_precision);
adjustedMax = adjust(m_userDefinedMaxValue, m_precision);
posClosestToZero = m_globalAutoPosClosestToZero;
negClosestToZero = m_globalAutoNegClosestToZero;
}
m_linDiscreteScalarMapper->setRange(adjustedMin, adjustedMax);
m_linSmoothScalarMapper->setRange(adjustedMin, adjustedMax);
if (m_mappingMode == LOG10_CONTINUOUS || m_mappingMode == LOG10_DISCRETE)
{
if (adjustedMin != adjustedMax)
{
if (adjustedMin == 0)
{
if (adjustedMax > adjustedMin)
{
adjustedMin = posClosestToZero;
}
else
{
adjustedMin = negClosestToZero;
}
}
else if (adjustedMax == 0)
{
if (adjustedMin > adjustedMax)
{
adjustedMax = posClosestToZero;
}
else
{
adjustedMax = negClosestToZero;
}
}
else if (adjustedMin < 0 && adjustedMax > 0)
{
adjustedMin = posClosestToZero;
}
else if (adjustedMax < 0 && adjustedMin > 0)
{
adjustedMin = negClosestToZero;
}
}
}
m_logDiscreteScalarMapper->setRange(adjustedMin, adjustedMax);
m_logSmoothScalarMapper->setRange(adjustedMin, adjustedMax);
m_linSmoothScalarMapper->setRange(adjustedMin, adjustedMax);
cvf::Color3ubArray legendColors;
switch (m_colorRangeMode())
@@ -455,3 +509,21 @@ double RimLegendConfig::adjust(double domainValue, double precision)
return newDomainValue;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RimLegendConfig::setClosestToZeroValues(double globalPosClosestToZero, double globalNegClosestToZero, double localPosClosestToZero, double localNegClosestToZero)
{
m_globalAutoPosClosestToZero = globalPosClosestToZero;
m_globalAutoNegClosestToZero = globalNegClosestToZero;
m_localAutoPosClosestToZero = localPosClosestToZero;
m_localAutoNegClosestToZero = localNegClosestToZero;
if (m_globalAutoPosClosestToZero == HUGE_VAL) m_globalAutoPosClosestToZero = 0;
if (m_globalAutoNegClosestToZero == -HUGE_VAL) m_globalAutoNegClosestToZero = 0;
if (m_localAutoPosClosestToZero == HUGE_VAL) m_localAutoPosClosestToZero = 0;
if (m_localAutoNegClosestToZero == -HUGE_VAL) m_localAutoNegClosestToZero = 0;
updateLegend();
}