QgsSymbolV2* QgsGraduatedSymbolRendererV2::symbolForValue( double value )
{
for ( QgsRangeList::iterator it = mRanges.begin(); it != mRanges.end(); ++it )
{
if ( it->lowerValue() <= value && it->upperValue() >= value )
return it->symbol();
}
// the value is out of the range: return NULL instead of symbol
return NULL;
}
