User Tools

Site Tools


TGIS_DemGenerator class

DK11 for ActiveX | TatukGIS_XDK11.TGIS_DemGenerator | Classes | Methods

Fast DEM operations on a 3x3 pixel window.

Available also on: Delphi | .NET | Java.


// C#
public class TGIS_DemGenerator : ITGIS_DemGenerator 
' VisualBasic
Public Class TGIS_DemGenerator
  Implements ITGIS_DemGenerator
End Class
// Oxygene
  TGIS_DemGenerator = public class



Inherited Overrides Protected
Name Visibility Description
AttachDelphiObj public Only for internal use of TatukGIS.
(Inherited from ITBaseObject)
DelphiObj public Only for internal use of TatukGIS.
(Inherited from ITBaseObject)
Process public Process dem operation.


The output DEM is suitable only for visual preview.

The algorithm doesn't take the coordinate system into account thus the result values are just rough approximations.

Generator assumes that x, y and z (elevation) units are identical. If x and y units are identical, but z units are different, the scale parameter of the operation can be used to set the ratio of vertical units to horizontal. For projections near the equator, where units of latitude and longitude are similar, elevation (z) units can be converted by using scale 370400 (feet) or 111120 (meters).


2021/02/26 23:50

Page Tools