Top "Raster" questions

A rectangular array of pixels.

Shapefile to raster conversion in R?

I have a shapefile downloaded from the worldwildlife.org for the terrestrial ecoregions of the world. The file can be …

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r raster shapefile data-conversion rasterizing
How to remove the box frame in "plot.raster" in R package "raster"

I need to remove the box frame around the figure in R package "raster", but I cannot figure out which …

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r plot spatial raster
Manipulate shapefile attribute table using R

I've posted this question on the GIS stack exchange, but it's not seeing much traffic. I'm a GIS user who's …

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r raster shapefile
MATLAB XYZ to Grid

I have a tab separated XYZ file which contains 3 columns, e.g. 586231.8 2525785.4 15.11 586215.1 2525785.8 14.6 586164.7 2525941 14.58 586199.4 2525857.8 15.22 586219.8 2525731 14.6 586242.2 2525829.2 14.41 Columns 1 and 2 are the X and Y coordinates (…

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matlab grid interpolation raster geometry-surface
Plotting a raster with the color ramp diverging around zero

I am trying to plot a map with positive and negative values. All positive values should have red color while …

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r maps raster colorbar
How to make RASTER from irregular point data without interpolation

I was trying to make a raster image from an irregularly spaced point database. The data looks like- > head(…

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r raster r-grid
Resolution values for Rasters in R

I was just wondering if anyone has a conversion table for the resolution of rasters in R. I would like …

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r resolution raster meter
ggplot2: raster plotting does not work as expected when setting alpha values

First post here, I hope I'm observing website etiquette. I couldn't find and answer on the site and I previously …

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r graphics plot ggplot2 raster
Calculating number of pixel(count) raster files in R

I have a huge number of raster files and a polygon that is within the extent of the raster files. …

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r raster r-raster spatial-data
how to convert longitude from 0 - 360 to -180 - 180

The longitude in CMIP5 future climate data is in 0 - 360 degree. How can I convert it to -180 - 180 degree …

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r raster