Converter vector data sources¶

The vector data converter provides a user interface to the command line tool ogr2ogr from `the OGR library <http://www.gdal.org/ogr/> `__. It allows for the conversion and reprojection of vector data sources.

To access, click on the corresponding icon in the toolbar of the Data Sources. This causes the display of the converter form with the selected data source input and displayed in the “Source”.

First select one of the data stores available, listed in the dropdown list” Storage ”. The new data source will be created in this storage.

Then complete the full name of the new data source in the text field provided for this purpose.

Select then the desired vector format for the new data source using the drop down list for this purpose.

You can also use the controls -sql and simplify from ogr2ogr <http://www.gdal.org/ogr2ogr.html> __ of optional way. Click the check boxes, which displays a text box where you can enter the parameters for creating the new data source.

Finally, click the “Run” button at the bottom of the window. Ela will convert to a longer or shorter depending on the weight of the selected data source. The end of the calculation is specified by a green band at the top of your screen.

treatment utility raster data sources¶

The raster processing utility provides a user interface to the command gdaldem from the GDAL <http://www.gdal.org> __ library. It allows for new sources of raster data type.

To access, click on the corresponding icon in the toolbar of the Data Sources. This causes the opening of the window treatment utility with the selected data source entry.

First select the band to use for treatment (usually the one containing the information to calculate pertiente) and select the calculation method from the dropdown list provided for this purpose.

Dans le cas de la méthode hillshade, veuillez renseigner les informations suivantes dans les chmaps prévus à cet effet:

• Z-Factor (Factor “Z” or the vertical exaggeration value used for the calculation)

• Azimut (La valeur d’orientation de la source lumineuse utilisée pour le calcul)

• Altitude (Altitude value of the light source used for the calculation)

• *Scale * (The ratio of the horizontal and vertical units of the data source)

Dans le cas de la méthode slope, veuillez renseigner les informations suivantes dans les chmaps prévus à cet effet:

• *Scale * (The ratio of the horizontal and vertical units of the data source)

Finally, fill in the full name of the target data source and click the “Run” button. This starts the calculation for a longer or shorter depending on the weight of the selected data source. The end of the calculation is specified by a green band at the top of your screen.