/// <summary>
/// Allow change the color of the List lcolor according the height of the lvertex
/// </summary>
/// <param name="lvertex"> List of vertex to read the height according the min Vertex</param>
/// <param name="lcolor"> List of color to change according its height</param>
private void changeColorScale(ref List <SharpGL.SceneGraph.Vertex> lvertex, ref List <SharpGL.SceneGraph.Vertex> lcolor)
{
//top color
SharpGL.SceneGraph.GLColor red = new SharpGL.SceneGraph.GLColor(0.9f, 0.05f, 0.05f, 1);
//bottom color
SharpGL.SceneGraph.GLColor green = new SharpGL.SceneGraph.GLColor(0.05f, 0.95f, 0.05f, 1);
float diff = maxVertex.Z - minVertex.Z;
SharpGL.SceneGraph.Vertex colorTemp = new SharpGL.SceneGraph.Vertex();
for (int k = 0; k < lcolor.Count; k++)
{
float t = (l_vertex[k].Z - minVertex.Z) / diff;
//interpolated value
colorTemp.Set((red.R * (1.0f - t)) + (green.R * t),
(red.G * (1.0f - t)) + (green.G * t),
(red.B * (1.0f - t)) + (green.B * t));
lcolor[k] = colorTemp;
}
}
/// <summary>
/// Allow change the color of the List lcolor according the height of the lvertex
/// </summary>
/// <param name="lvertex"> List of vertex to read the height according the min Vertex</param>
/// <param name="lcolor"> List of color to change according its height</param>
private void changeColorScale(ref List<SharpGL.SceneGraph.Vertex> lvertex, ref List<SharpGL.SceneGraph.Vertex> lcolor)
{
//top color
SharpGL.SceneGraph.GLColor red = new SharpGL.SceneGraph.GLColor(0.9f, 0.05f, 0.05f, 1);
//bottom color
SharpGL.SceneGraph.GLColor green = new SharpGL.SceneGraph.GLColor(0.05f, 0.95f, 0.05f, 1);
float diff = maxVertex.Z - minVertex.Z;
SharpGL.SceneGraph.Vertex colorTemp = new SharpGL.SceneGraph.Vertex();
for (int k = 0; k < lcolor.Count; k++)
{
float t = (l_vertex[k].Z - minVertex.Z) / diff;
//interpolated value
colorTemp.Set( (red.R * (1.0f - t)) + (green.R * t),
(red.G * (1.0f - t)) + (green.G * t),
(red.B * (1.0f - t)) + (green.B * t));
lcolor[k] = colorTemp;
}
}