TanDEM-X Ground Segment – DEM Products Specification Document

Abstract

The purpose of this document is to describe the TanDEM-X DEM products, their specifications and formats. Chapter 4 introduces the main DEM product and its variants. The target accuracies are presented in Section 4.1. and the DEM generation process is summarized in Section 4.2. The DEM product specifications are briefly detailed in Section 4.3 which describes the accuracy and grid definitions (Section 4.3.1) and all information layers (Section 4.3.2). Information about the structure of the DEM product is provided in Section 4.3.3. Section 4.4. gives a short summary about the characteristics of the Intermediate DEM Product and FDEM and HDEM products. The Appendices contain an introduction to the eXtensible Markup Language (XML) schema, product parameters and change log information. Please note that the current XML schemata are appended to this document.