Questions tagged [cell-size]
Cell size, also know as resolution, is the size of each individual cell, or square, on an image.
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Raster does not have same number of rows and columns that needs for prediction
I want to prepare an LULC prediction map of 2030. For this I have LULC of 2010 and 2015 along with the DEM, slope, and distance from roads and rivers as driver variables. Now LULC maps are of 24 m ...
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How to increase the number of cells in my raster without resampling
I have a raster with a certain cell size. I would like to generate a new raster that has exactly 4x as many cells as my original raster, by replacing each cell with 4 cells of the same value that each ...
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Unifying cell size and extent of raster layers in QGIS
In ArcGIS Pro, when using many analysis tools that deal with or generate raster layers, you can set the cell size and extent to exactly match another layer. This allows for map algebra to be done ...
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How do I force GRASS to create cells with equal X and Y resolutions?
I'm trying to average several rasters with X and Y resolutions of 0.0083333333 into a single map using r.series.accumulate from within QGIS. Strangely the output has X and Y resolutions that are ...
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Extract by mask jagged edges
I have a raster with cell size (12.5), I tried both extracted by mask and clip tools to extract the raster to the plots of the study area (Shapefile), but it resulted with jagged edges.
I tried ...
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Error saving cut fill when using cellsize 1
My script fails while trying to save the results of a Cut Fill operation. It works when the cellsize of the input raster is 2 but doesn’t work when it is 1. Then I’m getting the error message:
FATAL ...
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How to calculate the area of each grid cell of a raster in Python?
I have a square raster of size, let's say, 100x100 cells, with each cell being 200m X 200m. This raster is not in an equal-area projection, but is centered on the North Pole, meaning the actual area ...
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python: GDAL raster output is distorted
I'm trying to understand why my multiband raster output created with GDAL is distorted.
Short summary: I got several hundreds of US counties data in csv format. For each one, I need to convert the CSV ...
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QGIS - keep square pixels in resampling
I have a raster file (asc) with a resolution of about 10m, square pixels and an extent of X: 15929 Y: 16159. I am trying to resample this to a larger resolution (tried 20 and 30m). However, the output ...
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Identifying cells overlapping in multiple rasters using QGIS
I have a range of forest raster TIFF files over a 10 year period, and want to create a fresh raster of locations where it has been forest for 3 or more years.
I know I can merge them into a multi-band ...
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Rectangular cells versus square cells, is there some advantage?
I would say 100% of my work involving rasters is with rasters where the cell shape is square, e.g. 30m by 30m.
I recently received some NetCDF climate data and when I used ArcMap to visualise the ...
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Snap Raster and same cell size still lead to slight differences between rasters
I'm working in ArcMap 10.6.1, where I've been trying to make the cells of two rasters (let's call them raster A and raster B) line up perfectly with each other using the Snap Raster and Cell Size ...
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Way to determine cell size of a shapefile
I am using the Point to Raster tool in ArcGIS Pro to turn my shapefile in to a raster.
The automatic cell size used (pre-defined by ArcGIS Pro) is 8.1m - this gives me a low resolution output.
With ...
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Determine best cell size for vector dataset based on provided info from ogrinfo
I have been using ogrinfo to obtain information regarding my Bathymetry dataset shapefile with the results as follows:
Layer name: TEST
Metadata:
DBF_DATE_LAST_UPDATE=2022-03-30
Geometry: 3D Point
...
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Zonal Statistics and output cell size
I am trying to use Zonal Statistics to find the most common value of a high-resolution classification within a coarser fishnet grid (10x10 m). The idea is to use this high-res classification as ...
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