Linked Questions

7 votes
3 answers
14k views

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 ...
multigoodverse's user avatar
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 ...
matt wilkie's user avatar
  • 28.2k
14 votes
2 answers
3k 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 ...
tom's user avatar
  • 309
6 votes
2 answers
12k 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 ...
Oskar Karlsson's user avatar
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 ...
Mangesh Deshpande's user avatar
4 votes
3 answers
1k views

Converting QgsRaster object to array

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 final output. This way I can show rasters, line plots and ...
SJJ's user avatar
  • 99
1 vote
1 answer
885 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 ...
Mustafa Uçar's user avatar
0 votes
0 answers
651 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 ...
Tiera Eyek's user avatar
2 votes
1 answer
393 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 ...
Austin Gates's user avatar
2 votes
0 answers
239 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 (...
Giulio's user avatar
  • 131
1 vote
1 answer
73 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 ...
surdeep's user avatar
  • 51