JavaScript 2 (DTM)

 

JavaScript 2: developing a cartographic viewer for Digital Terrain Models

Ioannis Guertsonii

2023

A Digital Terrain Model (DTM) is a computer version of a traditional elevation map. The data is usually stored in raster form: the (average) height - above sea level - of each grid cell is determined. The resolution or size of the grid cells on the Earth's surface determines the accuracy and implicitly the map scale. In this book, various cartographic techniques in the form of JS are worked out to conjure up the data on the screen.

NOTE: This book is an addition to the previously published book "JavaScript" (1), in which the emphasis was on the processing and presentation of vector-oriented data.