GDAL (Geospatial Data Abstraction Library) is an open source translator library & set of command-line utilities for processing raster spatial data formats. As a library, it presents a single abstract data model to the calling application for all supported formats. It also comes with a variety of ...

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64 views

rasters written with gdal show up with units of meters when they should be degrees

I have some SMOS soil moisture data packaged in a netcdf format distributed by "cp34-bec". I have been able to use GDAL to extract this data as a raster layer, using a projection i think is ...
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58 views

rgdal with multiple Feature Datasets in R

I am trying to read shapefiles contained within a geodatabase file (.gdb) into R. The .gdb contains two Feature Datasets with multiple Feature Classes within each. The problem is only one of the two ...
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64 views

BlueMarble is appearing strange

I am fairly new to WorldWind and want to make WorldWind Server 1.5 server blue Marble Imagery to worldwind 2.0. I am using WMSLayerManager applet to test my server. Blue marble appears strange on ...
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89 views

Is there an open source solution to access raster layers in an ESRI File-GeoDatabase?

I'm looking for a way to access raster layers in an Esri File-GeoDatabase without using ArcObjects or ArcPy, specifically I would like to access the raster layers with GDAL. I understand that the GDAL ...
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44 views

Rasterstats throwing error: Cannot open as GDAL raster

I'm using the rasterstats zonal_stats function (pip installed), and running it on a .vrt file. Everything runs perfectly in my Ipython notebook, but when I try to run it in my regular python ...
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56 views

MS Visual 2013 with GDAL and HDF 4

I'm using MS Visual Studio 2013, C++ and newest gdal downloaded from here http://www.gisinternals.com/query.html?content=filelist&file=release-1800-x64-dev.zip In readme and libraries I can see ...
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54 views

Extra white space in ASCII file due to Translate GDAL from QGIS Modeler

Could anyone enlighten me why do I get an extra white space in from of my first column in an ASCII file generated through a model? With ArcGIS it doesn't happen. Output raster type: Int32 Output ...
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173 views

How to build gdal_calc.py from source in MinGW

I was wondering how to build the gdal python binding from source using MinGW. In particular, I need to install python utility scripts such as gdal_calc.py. I've searched around and found this ...
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28 views

QGIS Georeferencer adds padding to image after save

I am attempting to georeference an aerial image using satellite imagery. I'm successful in getting an output, however I notice there is an issue where QGIS's georeferencer is adding padding to all the ...
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101 views

Use Gdal from Python IDE

I am just starting to experiment with writing python scripts. I have been using QGIS and the Osgeo4w shell for sometime now. I would like to be able to call Gdal from the python IDE i have installed ...
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250 views

How to write features in file geodatabases (FileGDB) with GDAL and Python?

I am trying to copy features from a spatiallite database to a filegeodatabase. The target FileGDB already exists with the required feature classes. I am using the FileGDB-API 1.4 on Ubuntu and Python ...
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136 views

Convert grey,green,blue to red,green,blue tiff

==== Edit ===== Issue tracked to strange behaviour of gdal_warp when -dstalpha is specified and source is RGBA. I had assumed that the grey,green,blue tiffs (see example below) were genuine and ...
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214 views

Compression Algorithms output files larger than the originals. Why?

I'm currently attempting to write a script that will compress a few hundred .tif files. I've tried two approaches, first I wrote a script in Python using CopyRaster_management() function and the ...
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76 views

GRASS GIS r.slope.aspect write errors

I am running into an error running r.slope.aspect I have never seen before. When I run it, I get the following output: r.in.gdal complete. Raster map <dem> created. WARNING: map [slope] - ...
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100 views

Suppress verbose output when something goes wrong with ogr2ogr

Whenever ogr2ogr is not able to read a file, it seems to produce pages of output: Unable to open datasource `file.geojson' with the following drivers. -> ESRI Shapefile -> MapInfo File ...
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44 views

Problems coloring features of file geodatabase in QGIS

I managed to open a file geodatabase (.gdb) in QGIS. The extensions of my data are correctly shown and the attribute table shows all values correctly. However, when I double-click on the layer to ...
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215 views

How to avoid “Unable to compute a transformation between pixel/line”?

I am trying to re-project from Equi-rectangular to the NASA global EASE grid (Equal Area Scalable Earth) grid 1383 586 with a ~25 km cylindrical projection (ESPG=3410). The file is provided as HDF5. ...
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212 views

gdal.jar and .dll placement with gdal.Allregister();

I built gdal and java bindings for gdal. My environment variables I added (Windows 7 64 bit): CLASSPATH = C:\Program Files\Java\JDK1.8.0_40\lib; C:\gdal-1.11.1\swig\java\gdal.jar the dlls ...
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83 views

3d model to point cloud

Excepting FME, is there a way to convert 3d model to point cloud?
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224 views

create image out of geojson (gdal_rasterize?)

Short version: I need to know how I can convert a .geojson-file to an according .png-file (or any other image format) long version: I have a .geojson which was created by gdal_polygonize from a .png ...
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66 views

QGIS Polygonize (GDAL) problem - Null value in attribute

Is it possible to use Polygonize in QGIS (GDAL) so that a line shapefile is converted to a polygon shapefile with an attribute(s) in the line file carried into the polygon file. I am trying to build ...
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127 views

python-mapscript on OSX Yosemite

I am keen to try out the mapserver export plugin from QGIS 2.6 This needs python-mapscript which comes from the mapserver package. This can be downloaded from ...
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88 views

How can I improve image quality when using GDAL to generate Google Earth superoverlays?

I'm using the free version of Google Earth, so in order to create superoverlays of my large TIF images I have to use additional software. Google suggests GDAL. Using the instructions Google ...
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117 views

netCDF GDAL C# - time:unit?

I'm trying discover how to read the time:unit variable information information from a netCDF file and have run out of ideas. Without this info i cannot auto-magically process the files by date (which ...
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179 views

Issues installing GDAL with PostgreSQL

I'm trying to install gdal-1.11.0 on CentOS 6 machine. Following the instructions, this is my config ./configure --prefix /usr/local --with-fgdb=/usr/local/FileGDB_API ...
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164 views

Gdal in ipython

i am trying to run GDAL in Ipython Notebook but i don't get it. I did conda install GDAL and it was aparently ok, but when i try to do the import i get this: ImportError ...
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241 views

How to Read GDB from c#

I am trying to read .gdb file using osgeo api i go for following code but cant read. suggest me. string File= @"D:\GDB File\Demo.gdb"; public IConnection OpenFDOSourceConnection(string File) ...
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51 views

How to set -srcwin with python gdalbinding and driver.createcopy

I am using gdal_translate currently to cut a 60000x60000 geotiff into smaller 1000x1000 geotiff files. This works but it takes about 24 hours(and I have 44 of those big images to compute). Im not ...
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35 views

GDAL Warp cuttline not working

Has anyone ever got the cutline to work in C++? I have it working off the command line no problem, but it doesn't seem to do anything when I populate that argument in C++ as below: *//Create a ...
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112 views

QGIS Mac OSX version cannot batch write output files after rasterization

Happy new year everyone, I have been trying to batch rasterize a series of .shp files using QGIS for Mac OS X, and keep coming up against a strange problem. I am using the QGIS 2.6.1 user interface, ...
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124 views

CentOS 6.5 - After compiling gdal.so: Unable to load dynamic library

CentOS release 6.5 (Final) Linux version 2.6.18-028stab101.1 (root@rhel5-build-x64) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46) I'm trying to Install Cartaro CMS (http://cartaro.org/). GeoServer, ...
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198 views

Unable to call GDAL functionalities from Python

I am trying to call GDAL functionalities from the following script I made in the past. import os, fnmatch from subprocess import call call("dir", shell=True) # define the variables inFolder= ...
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129 views

Error running polygonize from QGIS!

I'm trying to vectorize a raster image and when I'm running polygonize within QGIS 2.6.1. I'm getting the following message: Traceback (most recent call last): File ...
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224 views

Why can't gdal save CRS information to GeoJSON?

gdal fails to add CRS definitions to GeoJSON files in some cases. Try this, for example, from any linux terminal that has gdal installed: # download the data wget ...
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98 views

Old GDAL/OGR version with QGIS from ubuntugis in 14.10?

Installing QGIS 2.6 from ubuntugis installs an old GDAL/OGR (ogrinfo --version GDAL 1.10.1, released 2013/08/26) - it should be 1.11 for support of the Open FileGDB connector in QGIS 2.6 So I don't ...
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323 views

Python Band.SetNoDataValue(), sets all bands at once

Can someone tell me what I am doing wrong? I want to set bands 1 and three to 255, and band 2 to 0. The code below only should only set band 2, but gdalinfo shows that all bands get set to 0. Ubuntu ...
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84 views

Fiona write crashes

I am trying to write a new shapefile with fiona but after creating the features, i keep getting this output after the program crashes: The program '[6668] python.exe' has exited with code -1073741819 ...
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49 views

“fill in” .vrt with missing locations in a mosaic

I have ~2000 NASA SRTM .hgt files. I wanted to join them together in a single mosaic, and to save disk space I used GDAL to create a .VRT rather than a very large GeoTiff. This is read by Mapnik. ...
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88 views

different data range of raster file in mapserver and qgis

a NetCDF file with only one band with a data range from [0,1.1]. IDV & QGIS identifies it correctly, however gdalinfo finds the data range [1,26505]. Or could it be possible that gdalinfo is right ...
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86 views

Extract polygons of PNG with GdalOgrInJava

I have PNG pictures with polygons of different colours on them. What I plan to do is to extract these Polygons using the polygonize function (see here) Then I will try to encode the polygons in ...
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93 views

Python 2.6 Module for GDAL 1.9.2, ImportError

I work on an internal network(IE I cant get the latest 1.11 stuff) and have GDAL 1.9.2 setup on a Red Hat Linux Enterprise Server 6. My linux box has python 2.6.6 however the python binding I received ...
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140 views

Reprojecting and Clipping in one script using Python Subprocess module and GDAL

I am trying to reproject a .tif file then clip it to the boundaries of a shapefile using GDAL Warp. I want to do this in a single script, and have successfully used the Python subprocess module to ...
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68 views

SQLite Driver available with R's rgdal:writeOGR?

Does anybody know how I can get OGR's SQLite Driver to work with R's rgdal package? When listing the drivers in R with the ogrDrivers() command the SQLITE driver is missing..
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137 views

Using gdal ReadAsArray or Arcpy.RasterToNumPyArray on python 2.6 32bit without it crashing

I am trying to run ReadAsArray on an entire raster and on a single band, python will crash without an error message when trying to do either. Is there a way I can create a 3d array without having to ...
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111 views

Ignore empty tiles in gdal2tiles.py when generating tiles

I am in the process of generating a large set of tiles from a .vrt file composed of many images. The image is following a road section, being very long and small strip of images and due the shape of ...
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95 views

How to run cmd prompt in the background and show progress bar

I am warping files using gdal. Since I have numerous files to warp how will I run the cmd in background and just have a progress bar to indicate the percentage in warping the files? Because when I ...
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186 views

Batch GDAL_Calc multiple band calculation

I have a question concerning gdal_calc. I´m running windows 7 64b and am working from the OSGeo4W shell. I have multispectral images that need to be prepared for analysis but they are not saved in a ...
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185 views

Use Gdal2tiles to generate 512px tiles

I'm a newbie in gdal2tiles & python but I would like to modify gdal2tiles to create 512px tiles for retina display (screen). Can someone suggest how I can do this?
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33 views

Sending commands into FGDB

I have a large .gdb of all blocks in the United States, available from Census. I would like to create a point shape file of all census tract centroids in the US. I have QGIS with FileGDB enabled, as ...
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122 views

GDAL WMS in QGIS 2.4

I'm trying to add in QGIS a layer shown here : propluvia When I watch in my console I see this request corresponding to the layer I need. The server is not able to respond to a getCapabilities ...