comparison base/RangeMapper.cpp @ 341:db8fcd280234

* Fix log range mapper bug

 }
 
 int
 LogRangeMapper::getPositionForValue(float value) const
 {
-    float mapped = m_ratio * log10(value);
-    int position = lrintf(((mapped - m_minlog) / (m_maxlog - m_minlog))
-                          * (m_maxpos - m_minpos));
+    int position = (log10(value) - m_minlog) * m_ratio + m_minpos;
     if (position < m_minpos) position = m_minpos;
     if (position > m_maxpos) position = m_maxpos;
 //    std::cerr << "LogRangeMapper::getPositionForValue: " << value << " -> "
 //              << position << " (minpos " << m_minpos << ", maxpos " << m_maxpos << ", ratio " << m_ratio << ", minlog " << m_minlog << ")" << std::endl;
     return position;