/// <summary>
/// Returns a mapping tag that is used to detect when a mesh's colors need to be set.
/// </summary>
private MappingTag GetMappingTag()
{
var mt = new MappingTag();
// Since the false colors that are shown will change if
// the mesh is transformed, we have to initialize the
// transformation.
mt.MeshTransform = Transform.Identity;
// This is the analysis mode id passed to the
// CRhinoVisualAnalysisMode constructor. Use the
// m_am_id member and it this code will alwasy
// work correctly.
mt.Id = Id;
// This is a 32 bit CRC or the information used to
// set the false colors.
// For this example, the m_z_range and m_hue_range
// intervals control the colors, so we calculate
// their crc.
uint crc = 0;
crc = RhinoMath.CRC32(crc, m_z_range.T0);
crc = RhinoMath.CRC32(crc, m_z_range.T1);
crc = RhinoMath.CRC32(crc, m_hue_range.T0);
crc = RhinoMath.CRC32(crc, m_hue_range.T1);
mt.MappingCRC = crc;
return(mt);
}
/// <summary>
/// Returns a mapping tag that is used to detect when a mesh's colors need to
/// be set.
/// </summary>
/// <returns></returns>
Rhino.Render.MappingTag GetMappingTag(uint serialNumber)
{
Rhino.Render.MappingTag mt = new Rhino.Render.MappingTag();
mt.Id = this.Id;
// Since the false colors that are shown will change if the mesh is
// transformed, we have to initialize the transformation.
mt.MeshTransform = Transform.Identity;
// This is a 32 bit CRC or the information used to set the false colors.
// For this example, the m_z_range and m_hue_range intervals control the
// colors, so we calculate their crc.
uint crc = RhinoMath.CRC32(serialNumber, m_z_range.T0);
crc = RhinoMath.CRC32(crc, m_z_range.T1);
crc = RhinoMath.CRC32(crc, m_hue_range.T0);
crc = RhinoMath.CRC32(crc, m_hue_range.T1);
mt.MappingCRC = crc;
return(mt);
}