Command line utility to convert raster data between different formats.

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Converting classified raster *.tif file to Northwood Classified Grid Format *.grc

What is the reason why I'm getting the error message when converting classified raster *.tif file to Northwood Classified Grid Format *.grc. ****"ERROR 6: GDALDriver::Create() ... no create method ...
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21 views

How to convert raster in UTM to lat/lon using GDAL (or other tool)

I have a .tiff file given with UTM coordinates that I'd like to convert to a .nc (NetCDF) file with latitude/longitude coordinates. I've tried with gdal_translate and gdal_warp but these did not work. ...
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1answer
13 views

Compute GCP values for gdal_translate in a PNG image

I am using the incorrect GDP for gdal_translate based on gdlainfo command line since image is offset from correct location. Image is at correct location when I use QGis GeoReference using my clicked ...
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64 views

How to make NoData transparent?

I have been using python to turn a netcdf into a geotiff. Once I have the geotiff, I am using gdalwarp to transfer it into the right projection. Then use gdal_translate to get the tif into a vrt ...
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2answers
60 views

Reproject raster without projection info

I'm pretty new to gdal and got a presumably easy question for experienced gdal users. My problem: I have a raster ascii file of which I don't know the projection or epsg code. However, I want this ...
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18 views

gdal_translate to get full vector extent of geo spatial referenced PDF

I am creating GeoTif images from a USFS geospatial referenced PDFs using gdal_translate. I turned off all of the layers that I did not want and it produces a GeoTif of just the center window of the ...
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28 views

How to improve poor image quality of “gdalwarp” operation result?

I'm trying to improve the result of gdalwarp operation. The image width and height are 6732x4721 GCP's are: -gcp 0 0 38.005301407753 55.048725423557 -gcp 6732 0 38.184943751144 ...
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21 views

intersect geotiff with bbox

In a project using gdal I need to crop a geotiff file with bbox in pixel or coordinates epsg:4326. This step is ok. The next step is to manage cases where the image size is "lower" than the bbox size ...
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1answer
33 views

white page border when converting geoPDF to geoTiff with gdal_translate

I am using gdal_translate to convert some USFS geoPDF maps to geotiff images. I actually set more layers off than is listed in the code snippet below but I've pulled them for clarity. The resulting ...
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40 views

error using gdal_translate with -projwin option

I have to crop geotiff image, I'm using gdal assembly and I'm trying to use the gdal_translate method If I crop my image using the -srcwin option all is fine gdal_translate -srcwin 0 0 400 400 ...
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27 views

gdal_translate multiple GDAL_PDF_LAYERS_OFF entries gives error

The documentation says that GDAL_PDF_LAYERS_OFF takes a list of comma separated layers. Examples look just like what I am trying to do. Executing the following gives an error FAILURE: Too many ...
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1answer
32 views

Using gdalwarp to remove one row of pixels or add one row of pixels

I am trying to use GDAL_calc but my two rasters are off by one pixel in the y dimension. One is 256005 the other is 256004 so GDAL_calc fails with a multiplication. Is it possible in gdalwarp to ...
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1answer
61 views

GRIB to NetCDF with GDAL, specifying dimensions

I have a GRIB dataset representing temperature over North America, in Lambert Conformal Conic (with specified central meridian, latitude of origin, etc.). It has what should be understood as a ...
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1answer
49 views

gdal_translate using /vsistdin/ and /vsistdout/ to pipe commands

I am trying to pipe some of my commands with gdal_translate's output. These commands should read from standard input, so I'm writing to /vsistdout/. However, I am getting some errors. To be a bit more ...
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1answer
63 views

Why is GDAL/QGIS creating Geospatial PDF's with erroneous spatial data?

I have a GeoTiff that I wish to convert into a geospatial PDF for use in Avenza. I attempted to use gdal_translate, and also used the QGIS's Raster->Conversion->Translate which apparently just builds ...
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1answer
32 views

Gdal_translate command for SDS having spaces in its name

Can anyone help me with using gdal_translate on an HDF4 dataset that a space? One SDS in the the HDF is: ...
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16 views

Specifying column to use in gdal_translate

I am using gdal_translate to convert a tiff file to ascii. The tiff file is a raster with several columns in the attribute table. How do I specify to gdal_translate, which column to use for creating ...
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224 views

PyQGIS save raster as rendered image, then use GDAL tools on it

I have tried to use the code from QGis Save Raster as Rendered Image. i is a raster layer: pipelayer = i pipeextent = pipelayer.extent() pipewidth, pipeheight = (pipelayer.width(), ...
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1answer
34 views

Bad corner coordinates transforming SRTM *.hgt files to GRD format using gdal_translate

I'm transforming some SRTM *hgt files (1 second resolution version) to GRD format using dal_translate. For example, one of my orders is: gdal_translate -of AAIGrid N43W001.hgt N43W001.grd The ...
3
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1answer
61 views

Geo-Referencing an image from google maps with gdal_translate

I am trying to geo-reference an image using gdal_translate in a command prompt. Currently I have the following gdal_translate.exe -of GTiff -a_nodata 0 --config GDAL_DATA "Config location" -a_ullr ...
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1answer
136 views

Transform an image with projection EPSG:4326 to EPSG:3857

I have an image with known boundary and projection EPSG:4326 and want to overlay it to openstreetmap using Leaflet.js. I have tried using function imageoverlay, but the image is not aligned with the ...
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2answers
169 views

Can GDAL extract a raster window from disk without loading the whole file to memory?

I have a 500MB GeoTIFF with 3 bands on disk. I can easily read a very small, 25x25-pixel subwindow using GDAL like so: gdal_translate -srcwin 600 550 25 25 hugeimage.tif smallwindow.tif Does this ...
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1answer
59 views

GeoServer WMS: Retrieved GeoTIFF band contains integer values instead of floats

I am using gdal_translate to import a GeoTIFF into an oracle database. The import as well as the layer creation in GeoServer works without errors. GeoServer correctly recognizes the band data type as ...
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66 views

gdal_translate crashes on huge jp2

I have 44GB jp2 file, I want to translate it to tif file, but once it reaches 10% it crashes. No messages, just stopped. This is my command: gdal_translate.exe -of GTiff --config GDAL_CACHMAX 8000 ...
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42 views

Handling warning about DX and DY in gdal_translate from .Gtiff to .ASC?

When I try to convert Gtiff to .asc file, QGIS shows the warning: Producing Golden Surfer style file with DX and DY instead of CELL SIZE since the input pixels are non-square. Use the FORCE CELL SIZE ...
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1answer
34 views

How to make transparent the Index 0 of the color table of a Tif/GTiff/GeoTiff using gdal?

With a Tif file, I'm trying to generate tiles using gdal tools. gdalinfo gdalinfo I_III_IVA_MRA_WGS.tif | more Output Driver: GTiff/GeoTIFF Files: I_III_IVA_MRA_WGS.tif Size is 17119, 23309 ...
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1answer
234 views

Converting large jp2 files using GDAL

I have a bunch of jp2 files with size going from 40MB to 1GB and I need to convert them all to GeoTiffs (.tif format). When using gdal_translate for the small files (having the jasper driver to ...
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60 views

How to transform any GTiff to Lambert Azimuthal Equal Area with GDAL?

I am trying to transform a GTiff EPSG:4326 +proj=longlat +datum=WGS84 +no_defs and a GTiff EPSG:31982 +proj=utm +zone=22 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs both to ...
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61 views

GDAL - replacing rgb value (0,0,0) with (nodata,nodata,nodata)

I have a set of rasters in which I want to replace any rgb value of (0,0,0) with (nodata,nodata,nodata) I've tried using gdal_translate -a_nodata "0,0,0" in.tif out.tif But this seems to convert ...
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38 views

Using gdal_translate to generate large raster from tile service?

I'm calling gdal_translate from the windows command line. My objective is to obtain a large geotiff, of a predefined region, from a Tiled Map Service (TMS) hosted at the University of Wisconsin. When ...
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75 views

Define band specific metadata of a GeoTIFF file using GDAL (gdalwarp/gdal_translate)

Does anybody know how to change or set the "Description" option/tag (band specific metadata) of a GeoTIFF file using GDAL? To specify what I mean, this is an example of gdalinfo return from a GeoTIFF ...
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84 views

GDAL and WMTS supprt

I have researching possibility to fetch raster file from WMTS server via GDAL. I have found some old post about that GDAL doesn't support WMTS (WMS only). However, I also find this information: ...
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181 views

How to remove nodata values from XYZ output with GDAL?

I have a buffered line route that is overlayed on a DEM: I've clipped the DEM to the buffered line, and exported it as an ADF ESRI grid file. I then used gdal_translate to convert it from the ...
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96 views

WKID issue when adding raster layer from ArcGIS “mapserver” to QGIS via REST

QGIS docs here describe how to do this. I am trying to add a layer from this MapServer: gps.digimap.gg/arcgis/rest/services/JerseyBaseMap/MapServer When I try the following command from the Python ...
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42 views

Display or export gdal_translate exponential scaling equation

I have an GeoTiff raster that contains elevation information at each pixel. As OpenLayers 2 can't display GeoTiff, I convert it to a PNG image and have to apply an exponential scale so the resulting ...
3
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40 views

gdal_translate bilevel tiff output

I have a geotiff image that rings in at about 290MB. However, once I smooth it using a gaussian filter I'm unable to get it back to that size, it ends up being 1720MB. The size isn't really the ...
3
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2answers
284 views

How to have GDAL print layers of GeoPDF AND say which are raster vs vector

My Objective: I would like to use GDAL to convert a GeoPDF. I want the vector layers as shp files and the raster layers as tif files. I want to do this in a programmatic way. Edit: In reality, I ...
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69 views

What are the units in GMTED2010 elevation data?

I have downloaded the GMTED2010 elevation data from http://topotools.cr.usgs.gov/gmted_viewer/viewer.htm I am merging all the files/tiles (to create a global dataset) with: gdal_merge.py There is ...
3
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0answers
109 views

How do I specify an outsize for gdal translations to an ENVI file?

I'm trying to create an elevation map using the output from gdal_translate. When I run gdal I can convert to both PNG and ENVI and combine the results to make something like the following image. ...
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2answers
69 views

Black image using gdalwarp

Im a geomatics student; Currently, I try to geo-referencing a tif image with the QGIS GUI, and then I load and save the Gdal script. With the QGIS GUI, I managed to get a decent picture, then I ...
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150 views

can I preserve a fading alpha layer when mosaicing images with gdal?

I am mosaicing some images with gdal and would like to improve the final result by using a fading / gradual alpha layer towards the edge of each image to remove the sharp edges in the middle of the ...
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31 views

Is gdal_translate ignoring the CPL_TMPDIR switch?

I've tried both... /usr/bin/gdal_translate -q --config CPL_TMPDIR /opt/xipi/nitf/scratch -of KMLSUPEROVERLAY /opt/xipi/nitf/scratch/sample-100000001.ntf /opt/xipi/nitf/out/sample-100000001.kmz ...
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55 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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1answer
116 views

How to change the projection and resolution of a file using gdal?

I have a file with these information: lat_min -60.0 lat_max 80.0 lon_min -180.0 lon_max 179.9 lon_sampling 0.1 degree lat_sampling 0.1 degree samples = 3600 lines = 1401 I want to re-project the ...
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117 views

Create GeoTIFF from JPG and JFW files with gdal

I have a JPG image and the corresponding geospatial information on a JFW wolrd file in a ETRS89 geodesical system and UTM coordinates (EPSG:25830) 5.0000000000 0.0000000000 0.0000000000 -5.0000000000 ...
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1answer
81 views

gdal_translate cannot convert MSG3 channels to TIFF

following this guide http://www.gdal.org/frmt_msg.html I want to convert my MSG3 HRIT format files in TIFF but I get this error gdal_translate H-00 ...
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1answer
71 views

gdal_translate or gdalwarp to define projection

Which of these is the best approach to define (aka. set) a projection for a tiff? 1) gdal_translate -a_srs EPSG:32182 in.tif out.tif 2) gdalwarp -s_srs EPSG:32182 -t_srs EPSG:32182 in.tif out.tif ...
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1answer
87 views

How to not process when query is outside the raster extent ? (Error when Completely Outside)

Given a West North East South bounding box, I want to crop this data from a hundreds of inputXX.tif. Nearly every times but once, the query first print out that it "falls completely outside raster ...
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1answer
50 views

How to pass value of a band to and other band and change its value?

Using gdaldem hillshade, I get a one-band hillshade (download here, 2MB) : gdaldem hillshade crop_xl.tmp.tif Shadedrelief.tmp.tif -s 111120 -z 5 -az 315 -alt 60 -compute_edges I currently can ...
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3answers
1k views

How to create transparent hillshade?

I get elegant transparent hillshades via a combination gdal and convert. Compare to grey-based hillshade commonly used, such transparent hillshades are very cool because they can be placed between the ...