Apply Shading to Maps

In recent years, the shaded relief image has become an accepted presentation method for geophysical and other types of data. This presentation technique creates a 3-dimensional effect using 2-dimensional rendering or plotting capabilities.

Two ways to produce shaded relief maps:

• Interactive - If you prefer to shade the grid interactively, you can use the Display Grid dialog to display the grid in a Map window and then shade it interactively using the Interactive Shading tool that provides a dynamic functionality for producing and modifying a shaded relief image based on a grid.

• Manual – The Shaded Relief option (GRIDSHAD GX) creates a shaded grid. You must then combine the shaded grid with the original grid to produce a grid composite in your map.

The manual method is ideal for creating quick images or for creating images from a Geosoft Script file. You should be aware, however, that the final format of a manual image is not compatible with an interactive image. Therefore, if you want to use the interactive method, you must use the functionality provided in the Interactive Shading.