DEM generation in GEOMEDIA grid :

The contour feature (layer) of one m interval is brought to the geoworkspace working window and new study area is defined and cell resolution and output unit is set for the new study area. The contour features are selected from the legend and are rasterized. Through the edit window the non-void cells values are combined and the values are noted and one third of the noted value is calculated for random sampling. The output unit is set from the information dialog, same as that of the output unit of study area defined. Interpolation of the random sample result layer is done and the interpolated layer is smoothed. The depression (in DEM) is filled for the smoothed layer. The filled depression layer’s name with color assignment to the layer was done through the edit window (by selecting the first and last cell in the edit window and right clicking on the selected cells to assign color’s through color sequence dialog) of filled depression layer. For DEM, the shaded relief model is made with the filled depression layer and is viewed in the map window.