Linked Questions
12 questions linked to/from Fully load raster into a numpy array?
7
votes
3
answers
14k
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Is it possible to open rasters as array in NumPy without using another library?
I know that it is possible to open a raster as an array in NumPy using GDAL, but I want to skip GDAL and use NumPy only, as it is cooler handling rasters with NumPy as matrices.
There is a similar ...
- 1,525
10
votes
5
answers
6k
views
Raster diff: how to check if images have identical values?
Is there a means to check to see if any 2 given raster layers have identical content?
We have a problem on our corporate shared storage volume: it's now so big that it takes over 3 days to conduct a ...
- 27.9k
14
votes
2
answers
2k
views
Understanding min and max values with Mosaic to New Raster?
I have to combine several DEM rasters into one from this source: http://srtm.csi.cgiar.org/SELECTION/inputCoord.asp, so I use Mosaic to New Raster tool.
I set up the tool:
I input the rasters (all ...
- 309
5
votes
2
answers
9k
views
How to create a TIFF file using GDAL from a numpy array and specifying NoData value
I have some tiff files I obtained from splitting a bigger tiff file using gdal translate. The border tiff files have some nodata values, which I can see in numpy as number 15. I want to manipulate ...
- 492
0
votes
2
answers
5k
views
How to save numpy array as single band image?
I'm working on MODIS NDVI composite data (single band). I converted the image to a numpy array and performed filtering operations. When i'm saving the new numpy array as an image I get a 3 band image ...
4
votes
2
answers
801
views
Converting QgsRaster object to array
So I'm a newbie, so sorry if this is an idiot question.
I'm trying to write a plugin for QGIS3 for my organisation, and I'd like to output a standalone figure (i.e. not in the QGIS window) as the ...
- 99
1
vote
1
answer
736
views
How to read all raster values in an array?
I want to read the every cell value in a raster file. When I run the script, it should give me the cell location and it's value.
I can reach center point of the raster and read it's value with this ...
- 1,501
0
votes
0
answers
643
views
layer stack TIFF using python [duplicate]
i work with EVI MODIS and i need to stack all raster i had using python but i don't know how
i'm using this backag and script to read my rasters
import os
import glob
from osgeo import ...
- 31
2
votes
1
answer
354
views
Arcpy "MemoryError"; Get Classification Breaks on a TIF Raster; Jenks Breaks; Python
I have a large .tif raster with integer values. I wish to generate Jenks classification breaks using code and then use those breaks to reclassify my .tif file.
I came across a block of code that I ...
- 21
2
votes
0
answers
223
views
Get coordinates of all pixels in a raster [closed]
I have a georeferenced raster and I need to extract a list with the coordinates of pixel in reference system (EPSG:32631) and the coordinate of pixel in raster reference.
I want a list like this (...
- 131
0
votes
0
answers
103
views
Use in-memory objects to process raster maps using GDAL's Python API
Below are three GDAL supported raster map processing commands, set inside a Bash shell helper function, defined inside a script that'd patch ERA5-Land with ERA5 data (see also: Merge ERA5-Land and ...
- 1,330
1
vote
1
answer
46
views
Reading and storing 1st pixels from multiple rasters
I want the code to read 1st pixel from a bunch of rasters (for eg. 1st pixel from 6 different rasters (having same extent and same number of pixels) and convert it into array followed by reading 2nd ...
- 51