Questions tagged [gdalwarp]
A Geospatial Data Abstraction Library (GDAL) image mosaicing, reprojection, and warping utility.
495
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1answer
27 views
Create VRT from multiple hdf files with Rasterio/GDAL
I have several Landsat 8 Scenes, each consisting of 11 bands. I want to mosaic them by creating a VRT and afterwards exporting the mosaic as TIFF again. I tried using GDAL via Python. But maybe it ...
0
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1answer
42 views
Using GdalWarp Polar Stereographic Projection
I want to project a netcdf file projected with the NSIDC Sea Ice Polar Stereographic North (EPSG:3411) to the WGS84 (EPSG:4326). The NETCDF data input file comes from Copernicus Marine Model.
I use ...
1
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1answer
31 views
Changing the Map Projection of a DEM File using gdalwarp?
I have downloaded the moons dem from: https://astrogeology.usgs.gov/search/details/Moon/LRO/LOLA/Lunar_LRO_LOLA_Global_LDEM_118m_Mar2014/cub
I want to change the projection to create a new ...
1
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1answer
90 views
Using python GDAL to reproject an HDF
I am working with MODIS data (MOD14) and I only need the fire mask, which is the first dataset.
The problem is that MODIS data in the sinusoidal projection and I need to reproject into something else....
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0answers
27 views
Rasterio 0-360 lon inputfile to -180:180lon WarpedVRT output
I have used rasterio to open netcdf files and by defining a WarpedVRT extract a subarea that can be read with the vrt.read() command.
It works like a charm except when the longitude grid is 0:360 ...
1
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1answer
25 views
Errors clipping a raster with a vector mask layer
I am running QGIS 3.4.14 (current stable version) on OSX Mojave 10.14.5.
I have a vector mask that I want to use to clip out a region of an image. Image was a jpeg originally but I translated it to a ...
1
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0answers
41 views
GeoTIFF reprojection to polar stereographic: Can I speed it up?
For a GeoServer project I need to reproject my high resolution (~40000 pixels wide) GeoTIFF files to polar Stereographic (EPSG 3031 and EPSG 3413).
I manage to do this with gdalwarp, but this is very ...
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0answers
22 views
SR EPSG 3035 ETRS/LAEA Europa to EPSG: 6204 Macedonian State Coordinate System python
I would like change a raster dataset from EPSG: 3035 (ETRS89/LAEA Europa) to EPSG: 6204 (Macedonia State Coordinate System)
My WKT for the first coordinate system is:
PROJCS["ETRS89 / LAEA Europe",
...
0
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1answer
14 views
Huge processing time for gdalwarp command extracting ROI by extents
I'm running the below gdalwarp command to extract a 1024 x 1024 ROI from a large raster which has Dimensions X: 34396 Y: 36707 Bands: 4
Input raster has previously been pan-sharpened and ...
2
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0answers
23 views
“Warning 1: All options related to creation ignored in update mode” (GDAL)
I am attempting to clip a raster using a polygon file (shapefile) and to save the result in memory. I succeed to do it using gdal.Warp and the option format=VRT using the following code. Please note ...
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0answers
19 views
Reprojecting raster using gdalwarp “EPSG_Code: 6204”
I want to reproject a raster using the projection of other raster using gdalwarp, however, I am confronting some problems because the raster does not line up when loading them into a GIS Software.
...
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0answers
26 views
Unable to execute QGIS algorithm while taking Input raster directly from AWS S3 account
I have a raster file (.TIF) in my AWS S3 account. I am using GDAL to open that .TIF file and to save the reprojected .TIF file to my local computer using QGIS GDAL 'Warp (reproject)' algorithm as ...
1
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1answer
51 views
gdal.Warp -cutline option (geometry object instead of vector file)
I am new to ogr and vector data manipulation.
I am interested to cut an image (in this case a DEM file) using gdal.Warp() with the '-cutline' option to used the borders of a rectangular polygon to ...
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0answers
36 views
Export a GeoTIFF file to NetCDF in lat lon coordinates
I'm quite new with GDAL and would like to use it to rewrite a GeoTIFF of NSIDC sea ice concentration from GeoTIFF in polar stereographic projection into a NetCDF in Lon Lat coordinates
The file is ...
2
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0answers
23 views
gdalwarp cuts off top and right edge of globe from gfs data
I am using data from this GFS forecast: https://nomads.ncdc.noaa.gov/data/gfs4/201905/20190502/gfs_4_20190502_1800_000.grb2
Specifically the bands 102 and 103 containing wind data.
I first combine ...
2
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0answers
45 views
Speed up reprojecting large raster (38 GB) in QGIS
I'm fairly new to QGIS and Python but nevertheless want to reproject a 38GB-DEM to a custom CRS. (The output file is supposed to be 55GB large - don't know why, but if I don't have >55GB of free disk ...
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0answers
43 views
R: gdal_translate/gdalwarp/gdalUtils for georreferencing raster
I am currently working on georreferencing a 530 X 587 .bmp file called my_raster.bmp with gdal_translate and gdalwarp from gdalUtils package, which is equivalent to using GDAL with those commands. ...
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0answers
20 views
Getting subset with same cordinates for different rasters using gdal.translate?
I am a new into Python. I have processed 1000 NDVI rasters covering larger area. I need to burn those NDVI raster with Water mask. The water mask came for whole world I need to subset AOI and also ...
1
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1answer
45 views
gdalwarp ignoring multiple srcnodata values?
I'm trying to resample an in image in the MODIS sinusoidal projection. There are several fill/ NoData values that I want to exclude in the resampling. The data are unsigned 16-bit integer values. A ...
0
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0answers
46 views
Warp using Java GDAL API
I am trying to warp a dataset using Java GDAL API.
However, it is not documented and it is unclear which options WarpOptions take. I feed -tr 15 15 just like for gdalwarp. This results in Option not ...
2
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0answers
40 views
Transform raster CRS fails [closed]
I have a large amount of .TIF which come in EPSG 31467. I want to transform them into EPSG 3044. My gdalwarp command throws me various errors, no matter what I try:
gdalwarp - s_srs EPSG:31467 -t_srs ...
1
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1answer
55 views
gdalwarp to change block size also changes pixel values
I'm working with a GeoTIFF from http://www.fao.org/geonetwork/srv/en/main.home?uuid=ba4526fd-cdbf-4028-a1bd-5a559c4bff38
The original has data values from 0-11:
$ gdalinfo -hist ./data/FAO/...
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0answers
72 views
Error “Too many points failed to transform, unable to compute output bounds.” using gdal2tiles
I want to generate tiles from a GeoTIFF file using gdal2tiles.
gdal2tiles.py input.tif
when I try the above command I got the following error
Too many points (10201 out of 10201) failed to ...
0
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0answers
11 views
Warping large virtual mosaic into a small raster results in IntegerOverflow error
I'm coming across an interesting situation using gdalwarp.
I have a very large virtual mosaic with varying resolutions of source files.
I use this virtual mosaic to create smaller rasters using ...
1
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1answer
138 views
gdalwarp resampling method
I'm trying to mosaic some georeferenced images using gdalwarp. But if I change the resampling method the result is always the same, why?
I need to build a mosaic where the value of each pixel is the ...
1
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2answers
84 views
Cut raster by pixels in GDAL
i've some georeferenced images that have the size of 1280 X 960. I need to cut the outer pixels to have a size of 1220 X 900 (i need to cut 30 pixel for each borders).
Can i do this using GDAL or a ...
0
votes
1answer
142 views
Converting GeoTIFF to tiles using gdal2tiles
I have a GeoTIFF of weather radar data that I cannot seem to get converted to a raster tileset using gdal2tiles. When the tileset is generated, there are TONS of empty folders in the output directory, ...
2
votes
1answer
82 views
Convert gnomonic projection to Mercator
I'm trying for some time to convert a weather radar map (gnomonical projection) to mercator (EPSG_3395) and then layout it onto third-party web map so far unsuccessfully.
The original image:
The ...
0
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0answers
30 views
Using gdalwarp, how to first transform and then clip instead of vice-versa?
I have a large number of GeoTiffs that I need to clip by a polygon stored in a shapefile and then save them as a new raster.
I use a gdalwarp command which I call from a Python script. These GTiffs (...
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0answers
14 views
Multiband GeoTIFF loading slow in browser
Here's the problem: http://www.doctorharapos.com/webMap/geotiff.html
My GeoTIFF files are light, just 4MB
My process: starting from an ASCII Esri file I transform it to GeoTIFF using gdalwarp, ...
4
votes
1answer
146 views
MODIS Fire Product tile conversion to GeoTIFF problem
I downloaded a tile (selected tile in the picture) from
https://ladsweb.modaps.eosdis.nasa.gov/search/order/3/MOD14--6/2019-08-09/DB/Tile:H25V6
I used gdalinfo on the file. It's output is
Driver: ...
1
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1answer
133 views
Reproject NetCDF file using gdalwarp?
I'm trying to convert this file to EPSG:3857 with this command:
gdalwarp -t_srs EPSG:3857 S2A_rhow_l2r.nc test-proc.nc
Warning 1: No UNIDATA NC_GLOBAL:Conventions attribute
Warning 1: Several ...
3
votes
1answer
75 views
Problems with analyzing MODIS Aerosol Optical Depth
I want to extract AOD from the following hd5 file.Would be grateful for any help. Objective is to have a tif file projected in EPSG:4326 with values of all 3 bands.
https://e4ftl01.cr.usgs.gov/MOTA/...
0
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0answers
16 views
Correcting an inaccurate edge effect on MODIS L2 swath data?
I am currently trying to process a MODIS MOD10_L2 product (Snow Cover 5-Min L2 Swath 500m, Version 6) to extract snow cover information. It's in HDF-EOS format and I process it with GDAL in Python and ...
0
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0answers
38 views
Problem executing Raster/Extraction/Clip Raster by Mask Layer
QGIS/GDAL environment:
QGIS 3.8,
gdal 2.4.0,
macOS 10.14.6,
python 3.6.5
I have successfully added a polygon ( as 2D and 25D objects ) to my project from CSV files using WKT format. With a ...
1
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0answers
29 views
Warping a GeoTIFF File (Error1: Cannot open CSV)
Here is my code for the script :
import os
import subprocess as sub
# get your files
path = r'C:\Users\User\Downloads\jalna\pdf\test'
files = [os.path.join(path, f) for f in os.listdir(path) if f....
0
votes
1answer
58 views
gdal_translate error 1: output driver not found
I'm using gdalwarp from gisinternals msvc compiled binaries.
There should be a script which specifies the path variables. It was given inside the binaries. I modified in a small way such that it ...
1
vote
1answer
56 views
File size inflation using GDAL
New to GDAL, have some tiff files and I'm trying to do the following:
"0 to NoData" to avoid black background in Mapbox:
gdalwarp -dstnodata 0 -dstalpha [input file] [output file]
The problem is, ...
0
votes
0answers
121 views
Constructing boundary polygon around raster image when mask layer is ill-defined using GDAL with Python?
I have a raster image and I want to construct a new vector layer that has the boundary of the raster, using python. Below is a sample of the image.
The problem is that the nodata value is set to "...
2
votes
1answer
158 views
Gdalwarp orthorectification WorldView-3 not using RPC projection properly
I have a high-resolution WorldView-3 image that I am trying to orthorectify using
gdalwarp -rpc -to "RPC_DEM=dem.tif" input.tif output.tif
However the output is not aligned with Bing or Google maps ...
2
votes
1answer
111 views
GDAL Warp Memory Datasource as Cutline
I am attempting to use a memory vector to crop a raster using GDAL warp but I get the following error:
ERROR 1: Cannot open <osgeo.ogr.DataSource; proxy of <Swig Object of type '...
4
votes
0answers
149 views
“Clip Raster by Mask Layer” produces zero values (and not Nodata) outside mask boundaries
This is my first question here. I have a big raster of the world's nighttime lights and want to clip it down to the Adm0 of a country:
In order to do so, in QGIS 2.18 what I do is using the Clipper ...
0
votes
1answer
37 views
Error using gdalwarp
I have this NetCDF file of the Greenland ice sheet velocities but the coordinate system is NSIDC Sea Ice Polar Stereographic North (y: -655750 to -3355750 and x: -639750 to 855750 meters). I wanted to ...
0
votes
0answers
21 views
Gdal_calc changing the values incorrectly
I am trying to re-project a file to a uniform grid EPSG:4326 and for that I am using the command:
gdalwarp -t_srs EPSG:4326 -srcnodata -32767 HDF5:"LC08_L1TP_029037_20190611_20190611_01_RT_L2GEN_2.nc"...
1
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0answers
39 views
Error when reprojecting raster (warp) QGIS [duplicate]
When trying to reproject a raster from degrees to meters in warp (QGIS) I receive the following error:
Processing algorithm…
Algorithm 'Warp (reproject)' starting…
Input parameters:
{ 'DATA_TYPE' : ...
1
vote
1answer
56 views
Values change after re-projecting the NetCDF files to TIFF file
I am trying to re-project a NetCDF file to a uniform grid EPSG: 4326 and convert it to a TIFF file. However, after the GDAL re-projection the values in the file change, i.e. the values are not ...
0
votes
1answer
154 views
Transforming a image to a shape defined by image corners in earth coordinates - Python
I have a source satellite image. It is a rectangular shape x by y. I also have the stored lon/lat coordinates of the corners and the center point in the xml meta file. Is there a way with the gdal or ...
1
vote
1answer
376 views
How to convert a TIFF file to HGT file?
In my project I needed to convert TIFF file to SRTM data and came up with following warning/error.
gdal_translate -of SRTMHGT Terrain.tif Terrain.hgt
Output:
Warning 1: The source projection ...
2
votes
2answers
618 views
Averaging overlapping rasters with gdal
I am working on creating a class which will merge several georeferenced rasters into one using different strategies, essentially taking average, max, min where the images are overlapping.
So far I've ...
2
votes
0answers
48 views
Is there a difference in using Haversine distance vs re-projecting coordinate frame?
I have a GeoTIFF raster file in the EPSG 4326 (WGS 84) geographic coordinate system.
I want to crop a 20 km x 20 km square around a particular (lat, long) coordinate, and save that as a new raster.
...
