New answers tagged landsat-8
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Apply linear stretch to Landsat 8 images in the tmap R package
I figured out how to improve the contrast:
fcc_nir_s <- terra::stretch(fcc_nir, minv = 0, maxv = 255, minq = 0.2, maxq = 0.98)
tm_shape(fcc_nir_s) +
tm_rgb()
This rescales rasters to 8-bit and ...
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Apply linear stretch to Landsat 8 images in the tmap R package
Linear stretch with stretch="lin" in plotRGB will stretch up to the max of your data, which is 23358. If you do:
tmap(fcc_nir) +
tm_rgb(max.value = max(values(fcc_nir)))
then you should ...
- 51.2k
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Why Landsat images are tilted/rotated?
Each near-polar Landsat orbit takes about 90 minutes to complete. The Earth rotates beneath the satellite at a rate of 15 degrees per hour (time zones are split into 15 degree segments). The satellite ...
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Download Landsat imagery from Earth Explorer using python and metadata
Once you download the scenes (with entityIds) as a csv from the USGS Earth Explorer, you can edit the same script located here to download the scenes using the Machine-to-Machine API located here. ...
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How to filter out daytime image of LANDSAT 8 using google earth engine?
About using ee.Filter.calendarRange() - you might have expected that images in certain location will be coming at different hours. In many areas, it's not a case. Also,ee.Filter.calendarRange() is way ...
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