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Results tagged with rasterio
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user 108216
open source Python library for reading and writing geospatial raster data
1
vote
1
answer
696
views
How to not overwrite with NoData values when updating a raster file using a numpy array?
import rasterio
import geopandas
raster_in = r'C:\.......\raster_in_file.tif'
raster_out = r'C:\....... …
- 1,256
1
vote
1
answer
369
views
Reading raster cell values on specific PostgreSQL points with rasterio and updating PostgreS...
I have 9 UK wide raster files (TIFF) and about 3 millions points on a PostgreSQL table. I need to add, for each point on the pg table, the values of the 9 raster cells where the point falls in.
I am …
- 1,256
4
votes
1
answer
3k
views
How to write BIGTIFF raster files with rasterio
A few months ago I had a hard time in finding a way to read BIGTIFF files. In the end I only managed to do so by creating a new conda environment with the following options:
conda create -n env_name …
- 1,256
4
votes
1
answer
6k
views
Reprojecting data with GeoPandas using 'to_crs'?
I am trying to reproject a polygon so that it has the same projection than a raster dataset.
raster.crs
CRS({'proj': 'tmerc', 'lat_0': 0, 'lon_0': -183, 'k': 0.9996, 'x_0': 500000, 'y_0': 0, 'datum': …
- 1,256
3
votes
1
answer
3k
views
"RasterioIOError: This is a BigTIFF file. BigTIFF is not supported by this version of GDAL a...
I am trying to read a raster ".tif" file with rasterio:
import rasterio
raster_path = r'......... … I have:
GDAL => 2.4.1
libtiff => 4.0.10
rasterio => 1.0.21 …
- 1,256
0
votes
1
answer
935
views
Error when updating a raster file with a numpy array using rasterio.write
The script works for a few thousand polygons but at some point it throws an error.
import os, sys, datetime, time
import geopandas as gpd
import rasterio
from rasterio.mask import mask
from fiona.crs import … \_io.pyx", line 1409, in rasterio. …
- 1,256
3
votes
2
answers
2k
views
Reading raster values in points gives back a generator object instead of actual value
Given a raster TIF file and a point feature class in a geodatabase, I am trying to extract the values of the raster on the points and add them as a new column on the point feature class. I am using th …
- 1,256
4
votes
2
answers
2k
views
Updating a subset of raster values using open source Python?
My code:
import os, sys, datetime, time
import geopandas as gpd
import gdal
import rasterio
from rasterio.mask import mask
from fiona.crs import from_epsg
import numpy as np
import pycrs
alr_path = Path …
- 1,256