-autoscale of data during draw. data remains unchanged

git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@41 b431acfa-c32f-4a4a-93f1-934dc6c82436

Source/DrawComponent.cpp

@@ -229,21 +229,45 @@ const VectorXd& DrawComponent::getData ()
 
 void DrawComponent::setData (const VectorXd& data)
 {
-	double a;
-
 	m_data = data;
+	DrawData(data);
+}
 
-    for (int i=0; i < m_height; i++)
+void DrawComponent::DrawData (const VectorXd& data)
+{
+
+	double a;
+	VectorXd temp = data;
+	double min = +1E12;
+	double max = -1E12;
+
+	for (int i=0; i < m_width*m_height; i++)
+	{
+		min = std::min<double>(min, (double)temp[i]);
+		max = std::max<double>(max, (double)temp[i]);
+	}
+	for (int i=0; i < m_width*m_height; i++)
+	{
+		temp[i] -= min;
+	}
+	for (int i=0; i < m_width*m_height; i++)
+	{
+		temp[i] /= (max-min);
+	}
+
+	for (int i=0; i < m_height; i++)
     {
         for (int j=0; j < m_width; j++)
         {
-        	a = std::min<double>(std::max<double>((double)m_data[i*m_width + j], 0), 1);
+        	a = std::min<double>(std::max<double>((double)temp[i*m_width + j], 0), 1);
         	m_pG->setColour(Colour(Colours::white).greyLevel(a));
         	m_pG->fillRect(m_scaleX*j, m_scaleY*i, m_scaleX, m_scaleY);
         }
     }
     repaint();
+
 }
+
 //[/MiscUserCode]