v
Table of Content
User Guide for SAGA (version 2.0.5)................................................... i
Acknowledgment ............................................................................................................... iii
Table of Content ................................................................................................................. v
List of Figures.................................................................................................................. viii
Chapter 1 – Introduction to Volume 2...................................................................... 1
Description: Chapter 2 – Some SAGA Basics................................................................ 1
Description: Chapter 3 – SAGA Buffer Modules........................................................... 2
Description: Chapter 4 – Creating Data Layers from DEMs in SAGA.......................... 3
Description: Chapter 5 – Generating a Watershed Basins Layer ................................... 4
Description: Chapter 6 – Evaluating Proposed Community Park Sites.......................... 5
Description: Chapter 7 – Using SAGA With Digital Satellite Images........................... 6
Description: Chapter 8 – The SAGA Point Cloud (.spc) Data Type .............................. 7
Description: Volume 1.................................................................................................... 8
Chapter 2 - Some SAGA Basics.................................................................................. 9
List of Data Layers, Tables and Maps In Work Session................................................. 9
Rename a Grid or Shapes Data Layer........................................................................... 13
The SAGA Grid Calculator .......................................................................................... 17
Re-Classifying Grid Data Values.................................................................................. 27
Using the Change Grid Values Module........................................................................ 27
Using the Reclassify Grid Values Module.................................................................... 32
Creating a Vector Layer from a Grid Data Layer......................................................... 42
Viewshed Analysis........................................................................................................ 47
Chapter 3 - SAGA Buffer Modules .......................................................................... 64
Introduction................................................................................................................... 64
The Shapes – Tools/Shapes Buffer Module .................................................................. 65
Example 1 ..................................................................................................................... 66
Example 2 ..................................................................................................................... 71
The Grid – Tools/Grid Buffer Module.......................................................................... 76
Example 1 ..................................................................................................................... 77
Example 2 ..................................................................................................................... 80
The Grid – Tools/Grid Proximity Buffer Module......................................................... 86
Example 1 ..................................................................................................................... 87
Example 2 ..................................................................................................................... 91
The Grid – Tools/Threshold Buffer Module ............................................................... 100
Example 1 ................................................................................................................... 102
Example 2 ................................................................................................................... 104
Example 3 ................................................................................................................... 108
Chapter 4 – Creating Data Layers from DEMs in SAGA................................ 111
Introduction................................................................................................................. 111
Creating Slope and Aspect Maps From a DEM.......................................................... 111
Developing Terrain Form Grid Data Layers............................................................... 117
Creating Contour Shapes Data Layers........................................................................ 123
Chapter 5 - Generating a Watershed Basins Layer .......................................... 128
Preparing a DEM Data Layer for Hydrology Analysis .............................................. 128
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