Digitizing training and test areas
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## Enter the file name and path by clicking {{button|text=Browse}}. You may use ''188_pca_indices_points'' as a file name. | ## Enter the file name and path by clicking {{button|text=Browse}}. You may use ''188_pca_indices_points'' as a file name. | ||
## Confirm with {{button|text=OK}}. Let the new layer be added to the [[TOC]]. | ## Confirm with {{button|text=OK}}. Let the new layer be added to the [[TOC]]. | ||
| − | ##* If the points are hard to recognize | + | ##* If the points are hard to recognize on the [[QGIS GUI|canvas]], open the properties by double-clicking the layer in the [[TOC]] and adjusting size and color in the {{button|text=Style}} tab. |
[[Category: QGIS exercises 2013/14]] | [[Category: QGIS exercises 2013/14]] | ||
Revision as of 17:15, 22 January 2014
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This section is still under construction! This article was last modified on 01/22/2014. If you have comments please use the Discussion page or contribute to the article! |
- This article is part of the QGIS tutorial 2013/14.
In this article you will learn how to create test areas for landscape classification.
- Generating sample points
- Load the raster map 188_pca_indices, which should be available in the course data.
- Open Vector --> Research tools --> regular points. If not selected by default, set the Input Boundary Layer to 188_pca_indices.
- Select the radio button Use this number of points and set the number to 50.
- Set Initial set from corner (LH side)
- Enter the file name and path by clicking Browse. You may use 188_pca_indices_points as a file name.
- Confirm with OK. Let the new layer be added to the TOC.
