All Questions
12 questions
1
vote
1
answer
305
views
GDAL predicator and Tile Offsets
I would like to "shift" the origin of a BigTIFF file. But is is not so easy. So instead, I try to use gdal_translate to create a new file. But when I compare the original file and the ...
1
vote
0
answers
161
views
Mean of N nearest neighbors for each pixel in a LARGE raster
I a have a large raster (.vrt)...
Size is 70780, 102676
Coordinate System is:
PROJCRS["UTM Zone 32, Northern Hemisphere",
BASEGEOGCRS["GRS 1980(IUGG, 1980)",
...
with about ...
- 11
2
votes
1
answer
2k
views
Why is my tif file a BigTIFF file but the size is less than 4 Gb?
I have a TIFF file of first day beyond 10 degrees at 2 m height covering the northern part of North America. The size of the file is 1.24 Gb, but when I load it into Python (3.7) I get the classic ...
- 917
2
votes
1
answer
2k
views
Error occurred while writing dirty block from GDALRasterBand::IRasterIO
I get the following error when trying to run rio-terrain on a GeoTIFF file :
$ rio aspect input.TIF output.TIF
Running aspect on sequential raster blocks
Blocks done: [################################...
2
votes
2
answers
1k
views
Split a GeoTIFF (BigTIFF) file into subsets with a specific overlap in Python
I have a BigTIFF file that I need to split into tiles with a set tile size and overlap. I have a script for this using PIL:
tile_height = tile_width = 1000
overlap = 80
stride = tile_height - ...
- 21
2
votes
1
answer
1k
views
gdaladdo still very slow on large TIFF
I'm trying to build internal overviews on a big GeoTIFF using gdaladdo and it is way too slow.
From what I could find out it is a known problem (#1442) that has been solved in May last year
However ...
- 131
3
votes
1
answer
3k
views
"RasterioIOError: This is a BigTIFF file. BigTIFF is not supported by this version of GDAL and libtiff" error message
I am trying to read a raster ".tif" file with rasterio:
import rasterio
raster_path = r'.........\file.tif'
raster = rasterio.open(raster_path)
but I am getting the following error message:
"...
- 1,256
1
vote
1
answer
2k
views
Opening a BigTIFF file in Python
I am trying to open and extract data from a 90MB TIFF file using Python. The code I'm using is the following:
from osgeo import gdal, osr, ogr
def get_value_at_point(rasterfile, pos):
gdal....
- 111
0
votes
0
answers
178
views
Compression not applying when updating/exiting GeoTiff file in GDAL?
I have a GeoTiff file with dimensions 300 x 300 and 8760 bands (hourly for one full year). I am testing some code that opens the file, updates ONE band and exits - but I am finding that the file size ...
- 531
2
votes
0
answers
3k
views
Error while creating large TIFF with gdal_merge
I need to merge two TIFFs into one, but the output is larger than 4 GB. So, it needs to be a BigTIFF. But the "BIGTIFF=YES" creation option seems to be ignored. Here's the error:
$ gdal_merge.py -...
- 185
1
vote
2
answers
506
views
Seeking workflow to build cloud optimized tif?
By its definition, a cloud optimized GeoTIFF is a regular GeoTIFF file, aimed at being hosted on a HTTP file server, whose internal organization is friendly for consumption by clients issuing.
Based ...
- 49.9k
7
votes
2
answers
8k
views
Cannot install a version of GDAL via Anaconda that permits reading BigTIFFs
I have some BigTiff files that I need to read into Python using gdal to do some analyses. According to GDAL's documentation:
When built with internal libtiff or with libtiff >= 4.0, GDAL also ...
- 2,904