SAGA (System for Automated Geoscientific Analyses) is a GIS toolbox with many modules that can be used from the GUI, command line or accessed through R,python or directly using C++.

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34 views

SAGA, GRASS Raster values to null

I want to make the cells which values "1" to null in QGIS with Grass or Saga tools (exactly Saga).
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80 views

Getting SAGA-GIS Python Bindings without compiling from source

I am very new to SAGA-GIS, but I recently developed a workflow using SAGA for processing LiDAR data. Now I need to batch the process using Python. I installed SAGA from the Windows installer and I ...
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362 views

OGR VRT MSSQL example

I'm trying to import vector data into SAGA GIS from a SQLExpress 2008 server. Firstly is this possible? I would have thought using an OGR VRT layer would have been the way to do it, I've attached a ...
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27 views

QGis Grid statistics for polygons error - Module caused access violation!

I'm trying to calculate statistics for a raster layer using an overlaying polygon layer, I'm using SAGA "Grid Statistics for polygons" function, but it returns an error, sadly.. So in the sextante log ...
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99 views

QGIS Sextante Python Error

I have some issues with Quantum Gis 1.8. When I try to use shapes to grid (sextante-saga tool) I get the following error (comes up when I try to define the new grid file name): Fehler bei der ...
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238 views

How to create a profile with profile points at discrete altitude intervalls, e.g. each 10 m

In both SAGA and QGIS theres a profile-from-line-function that does a nice job of creating profiles. But there's no way to control the altitude spacing. Any ideas for workflows that would allow me ...
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77 views

Topographic Wetness Index

Is there any option to SAGA to calculate the Topographic Wetness Index ? I have a big area and I tried many times with SAGA, the last time I thought the results was ok (before SAGA would crash or give ...
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20 views

How to fix the SAGA driver is not writing statistics to .sgrd file?

I am converting .img files to .sdat (SAGA) with GDAL 1.9.2 in command line. SAGA driver is not writing statistics to .sgrd file (min, max, mean), which complicates use SAGA_CMD in batch mode (SAGA ...
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24 views

ERROR 1: Couldn't create FITS file C:/test.tif (105)

Does anyone know that error: C:\Program Files (x86)\Quantum GIS Lisboa>saga_cmd io_gdal 1 -GRIDS "C:\Users\Max\AppData\Local\Temp\sextante\test.tif.sgrd" -FORMAT 1 -TYPE 0 -FILE "C:/test.tif" ERROR ...
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51 views

Sextante “Shapes to grid” ERROR

I tried the new master version 1.9.200. Now I get the following message: Fehler bei der Ausführung von Python-Code: Traceback (most recent call last): File ...