Linked Questions
11 questions linked to/from Splitting raster into smaller chunks using GDAL?
10
votes
2
answers
12k
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Split a large GeoTIFF into smaller regions with Python and GDAL [duplicate]
I have quite a large GeoTIFF-file (compressed 50MB but unpacked 6GB) and want to split it into several smaller regional files.
I am using Python, and as I am a new GDAL user I do not really have an ...
1
vote
0
answers
1k
views
How Do I Split a Raster into parts using GDAL? [duplicate]
I have a large Raster with High resolution DEM of a large area, and I need to split it into smaller squares of 500mx500m, so that I can run other raster functions on it.
Basically I'm looking for the ...
2
votes
2
answers
5k
views
Python/GDAL--Handling Big Rasters and avoid MemoryErrors?
I am using python 2.7.10.
I am trying to read a big Raster with gdal and numpy array.
But it show In MemoreErrors when i use this:
band. ReadAsArray()
Note: this error occurs when input raster is ...
3
votes
2
answers
2k
views
Error in raster Analysis in QGIS
I'm trying to conduct raster analysis in QGIS on a digital elevation model with a grid resolution of 5 cm. The disk size for the data set is 151 MB. When using default GDAL raster calculator it throws ...
2
votes
1
answer
2k
views
Get GDAL up and running with ArcSDE enabled
I want to migrate rasters from ArcSDE 9.2 to Postgresql.
I have access to a ArcSDE server with several large raster datasets (mosaics) in ArcSDE 9.2. I can use ArcCatalog, ArcMap and ArcToolbox to ...
4
votes
2
answers
2k
views
How to cut a raster into smaller, equal area parts?
I have a large raster file that I need to cut into smaller parts.
I already have a polygon shapefile that has the smaller parts that I want to use as an index. The reason for this is that end users ...
1
vote
1
answer
2k
views
How to handle large raster datasets in GeoServer?
A 16gb large tiff should be processed with the Geoserver. What are the possibilities?
What has already been done:
1) The following tutorial was used:How to serve very large raster datasets The ...
3
votes
0
answers
1k
views
Subdividing large files due to gdalwarp - too big image size
I can't figure out how to warp a large file (2GB+) with no specified to CRS, to a specified CRS - I keep getting a "Too big image size" error.
For context, I want to take large NITF files, warp them ...
1
vote
2
answers
349
views
Can I create tiled Qgis2threejs 3D model
Is able to create 3D model with Qgis2threejs and tiled it for better loading over net?
For example 3D model will be tiled for 100 m X 100 m
0
votes
0
answers
392
views
GDAL retile "Error 4" only in certain working directories
I'm attempting to retile a large Tif files to sizes that can be used for training data in a Neural Network.
I have GDAL installed and the gdal_retile.py (opens as txt file if I type gdal_retile.py ...
1
vote
0
answers
185
views
Converting vector to raster on-the-fly using GRASS?
EDIT: I later realized that, instead of creating multiple 256 x 256 tiles, I could just create a single image to overlay on the entire map. However, I'd still like to know if there are better ways to ...