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Questions tagged [satellite-image]

Satellite imagery (also Earth observation imagery or spaceborne photography) are images of Earth or other planets collected by imaging satellites operated by governments and businesses around the world. Satellite imaging companies sell images by licensing them to governments and businesses such as Apple Maps and Google Maps.

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Problem importing USDA Crop Data Layer (GTIFF) in R using raster() package

I've downloaded the USDA Crop Data Layer (data available here, note large file: http://www.nass.usda.gov/research/Cropland/SARS1a.htm) and want to import it into R for analysis. I've imported other large GTIFF files (e.g., LANDSAT data), but get the…
Nick
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Sentinel3 OLCI (chl) Average of netcdf files on Python

I'm having some troubles with trying to get a monthly average with Sentinel 3 images on... Everything, really. Python, Matlab, we are two people getting stuck in this problem. The main reason deals with the fact that these images' information is not…
Ananas
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Plot true color Sentinel-2A imagery in Matlab

Through a combination of non-matlab/non-native tools (GDAL) as well as native tools (geoimread) I can ingest Sentinel-2A data either a indiviual bands or as an RGB image having employed gdal merge. I'm stuck at a point where using imshow(I,…
John Chris
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Interactive Satellite Map using Python

I'm trying to overlay a Lambert Conformal Conical satellite image onto a Holoviews interactive map. I can map the satellite image just fine, but I can't figure out how to translate this map onto a Holoviews map properly. Below is reproducible code…
James
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How to calculate a location in satellite image with PyEphem?

I have the ephemeris for an Earth observing satellite from a TLE, so I can get the location of the satellite (lat/lon). The documentation has a nice example for the ISS, showing how that is done. However, what I am actually after is the location of…
Rudi Gens
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What to do when GMap Satellite imagery is unavailable

is it possible to programmatically detect with the google maps api (javascript, v2) when satellite imagery is unavailable at a certain zoom level? I am creating some maps automatically and setting them to a certain zoom level, but in a few cases…
robstenson
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Writing an image processing application for analysis of satellite imagery

I have to start work on application for analysis of satellite imagery to identify some man made structure. I would like to use C or Java for this. For satellite I am planning to use Google Maps data. I have three questions here: What is best source…
AJ.
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Using pcolormesh for plotting an orbit data

I am trying to map a dataset with associated latitude and longitude. The details of the data I am using are given below: Variable Type Data/Info ------------------------------- lat ndarray 1826x960, type `float64` lon ndarray …
Ishan Tomar
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"Put on a map" by using Approximated nearest neighbor in image processing

I used python to read a hdf file(Hierarchical Data Format) that contains image data from a satellite(the name should be MODIS). The python code is able to get the longitude, the latitude and radiance of the image. Then use the data to produce an…
Hold_My_Anger
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OSM API Satellite Imagery

My goal is to find a way to download (with Python) satellite images given coordinates describing a rectangle. I've never really found a precise and free solution (no business here, just school stuff). At first I tried Google Maps' API, which worked…
phpin
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Using cartopy to project geostationary data points onto a regular grid

I'm trying to use Cartopy to project GOES satellite imagery data onto a regular grid across the USA. I'm doing something wrong with my translation from GOES to grid at the end of this colab workbook. I'm doing…
Andrew
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Detect vegetation using opencv on satellite images

I am trying to estimate the area of vegetation in square meters on satellite photos, from the colors. I don't have a training dataset, and therefore cannot do machine learning. So I know the results will not be very good, but I try anyway. To do…
chambeeee
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How to quickly retrieve radiances from satellite netcdf files?

I would like to retrieve GOES-16 ABI radiance data for predetermined locations (about 10,000 points per individual image) for an entire year. Each day has ~100 individual images. I have all required ABI data (in netCDF format) on disk already. The…
flymetothemoon200
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Downscaling sentinel-2 bands to 10m using R language

I'm trying to calculate NDRE using sentinel-2 bands in R language. The formula for NDRE = (nir-re)/(nir+re) nir- Near InfraRed (Band8) re - RedEdge (Band5) My Code: library(raster) library(RStoolbox) re_path <-…
Repsol Rider
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Sentinel-2 data: plotting RGB Composite Image using Python3

I am using Sentinel-2 data for Satellite Image Analysis. The code can be viewed here. The problem is while plotting the RGB composite image. "To plot RGB composite images, you will plot the red, green and blue bands, which are bands 4, 3 and 2,…
Arun
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