ESM 263 Geographic Information Systems

Tools for assignment 3

CONTENTS

• Tools for assignment 3
  • Vector tools
    • Buffer
    • Difference
    • Extract by attribute
    • Merge vector layers
    • Field calculator
    • Rasterize (vector to raster)
  • Raster tools
    • Raster calculator
    • Reclassify by table

Vector tools

• data
  • Natural Earth low resolution
• reference
  • QGIS Training Manual: 6.2. Vector Analysis

Buffer

• manual

Difference

• manual

Extract by attribute

• manual

Merge vector layers

• manual

Field calculator

• manual

Rasterize (vector to raster)

• manual
• Clear the Assign a specified nodata value field

Raster tools

• data (download all of these into the same folder)
  • Landsat 7 ETM image
  • SB county outline
  • NDVI.qgz
    • A QGIS project with a sample NDVI model that also illustrates the problem with the Clip raster by mask layer tool.
• reference
  • Landsat imagery and NDVI
  • QGIS Training Manual
    • 7.1. Working with Raster Data
    • 7.2. Lesson: Changing Raster Symbology

Raster calculator

• manual
• A.astype(float)

Reclassify by table

• manual