Questions tagged [raster]
A rectangular array of pixels. A Raster defines values for pixels occupying a particular rectangular area of the plane, not necessarily including (0, 0).
raster
3,813
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Unable to set transparency on GeoTiff images on GeoServer
I have some GeoTiffs (RGBA) with the following Band information obtained using gdalinfo:
Band 1 Block=9x14 Type=Float64, ColorInterp=Gray
Band 2 Block=9x14 Type=Float64, ColorInterp=Undefined
Band 3 ...
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How to automatically invert colors in .cal and .GP4 images files with Python?
I have several thousand plans in .cal and .GP4 whose colors I need to invert (switch to "positive" mode when they are in "negative"). I know it is possible to do it one by one in ...
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Sum rasters folder by folder
I have a series of species distribution rasters, separated in different folders according to the observation date. I have 1 folder for each day of 2024, named like %Y%m%d, e.g. 20240101.
I want to do ...
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How to map significant trends (p-value = 0.05) from raster file
I made a raster file (.tif) from a netcdf file, I want to analyze the data and make a map of some significant snow depth trends but it nothing seems to work.
I can make a plot of the data using the ...
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Render large .asc files, with variable colormap
Suppose I have a large .asc file (matrix representing elevation, water depth, ....), in my backend and want to visualize it on the client (with openlayers). The requirements are:
Smooth rendering
...
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Interpolating Temperature Raster Stack containing NAs
I have a raster stack of approximately 50 layers. This raster stack contains day land surface temperature over a period of three years across a 500km2 area. The data is from MODIS Terra MOD11A2 v061. ...
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Is there a way to rename the bands of a Raster in Rasters.jl?
This is the Raster I am using:
30097×19617×4 Raster{UInt8,3} │
├───────────────────────────────┴────────────────────────────────────────────────────────────────────────────────────────────── dims ┐
...
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Raster Align QGIS - mismatch in layer projection
I have been given two raster by a colleague, both of which have a pixel size of 50x50m. The first layer is a DEM and the other is a type of habitat layer (Scored from 1-10, and includes a value of 128 ...
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rio.to_raster method is not working (rioxarray package)
I want to export a data cube (hyperspectral data) to a .tif file using the rio.to_raster module, which should be inside the rioxarray package.
But when I try to recall the module (rio.to_raster) it ...
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Raster is drawn only partly in tmap
Some of my maps that contain rasters get drawn partly only. The southern part of the map is cut off. It looks like some memory limit, but I have no idea if it is so. Another option is something ...
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PlotRGB, result full black [closed]
I'm trying to use plotRGB with my RasterStack using the package raster but it only plot a full black result
Result plot
BLUE_rast <- raster("Multispectral/CB_2014_60m/CB_2014_60m/4_index/...
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Convert bounds into raster in R
I have a data frame with quad keys and associated values for activity index, and I want to convert it into a raster. The quadkeyr package is too slow for the scale of my data (each hour across all of ...
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adjustments in react leaflet currently done on openlayers
I have an application that uses the openlayers library in react to display a map.
I use an internal raster tile server that has a strange a strange configuration.
all tiles are offset and squished ...
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Error rendering text in rayshader and opactiy also don't work when using render_higquality
The opacity of polygon and text works when using plot_3d only but whenever i use render_highquality, text are replaced by rectangular box with no text and opactity of polygon is always 1 though using ...
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Merge several rasters into one large raster file in R with 'terra'
I have several rasters (.tif) files and want to merge them into a final large raster. Each smaller raster file is also in relatively large size.
I used the terra R package's vrt function to first ...