QGIS Lab08 Fall14: QGIS Network Analysis

Introduction:

This is eighth video tutorial of QGIS. It is about network analysis. It contains example problem. The objective is to learn and use road graph plugin.

Summary:

  1. Road Graph Plugin.
  2. Using Road Graph plugin with speed option (Selecting route by shortest time.).
  3. Selecting using polygon and filling only selected fields.Also use selection by query expression.
  4. Split Feature in edit mode.
  5. Topology Tolerance in Road Graph Setting.
  6. Saving our shortest path to new layer.

Below is the full video lecture. Use full screen for clear content of video. The download link of below video is ogg video or mp4 video. You can play it in vlc player or open it in web browser.

The example files that are used in video can be downloaded from here .

Reference:

  1. Chapter 07 of QGIS 2.6 Training Manual

Leave a Reply