Interactive Analytical Shading and Cliff Drawing: Advances in Digital Relief Presentation for Topographic Mountain Maps

摘要

In this paper two new and improved methods for digital relief depiction are presented: Interactive analytical shading and digital cliff drawing using fill hachures. Both methods have a long tradition in manual production of mountain maps which has been considered for the implementation of the new software tools. One of the main tasks was the decision to separate between interactive and automatic treatment within the software.