QColor LayerDrawer::color(const IRepresentation &rpr, double value, DrawerInterface::ColorValueMeaning cvm)
{
if ( _activeAttribute != sUNDEF){
VisualAttribute& attr = _visualProperties[_activeAttribute];
if ( cvm ==DrawerInterface::cvmFRACTION){
NumericRange numrange = attr.stretchRange();
if ( !numrange.isValid()){
numrange = attr.actualRange();
}
value = numrange.min() + numrange.distance() * value;
}
QColor clr = attr.value2color(value);
return clr;
}
return QColor();
}
void NumericRepresentationSetter::prepare(VisualAttributeModel *vattrib, const IIlwisObject &obj, const ColumnDefinition &cdef)
{
VisualAttributeEditor::prepare(vattrib, obj, cdef);
if ( attribute()->layer() && attribute()->layer()->drawer()){
QVariant actAttribute = attribute()->layer()->drawer()->attribute("activevisualattribute");
if ( !actAttribute.isValid())
return ;
auto var = attribute()->layer()->drawer()->attribute("visualattribute|stretchrange|" + actAttribute.toString());
NumericRange numrange = var.value<NumericRange>();
if ( !numrange.isValid())
return;
NumericRange roundedRange = MathHelper::roundRange(numrange.min(), numrange.max());
double tickValue = roundedRange.min();
while(tickValue <= numrange.max()){
_rprElements.push_back(new RepresentationElement(QString::number(tickValue),this));
tickValue += roundedRange.resolution();
}
_rprElements.push_back(new RepresentationElement(QString::number(tickValue),this));
emit rprNameChanged();
}
}