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Howto:Create custom terrain: Difference between revisions
→Downloading the Landsat pictures
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# In the Place field, type ''Amsterdam, Netherlands'' for instance. | # In the Place field, type ''Amsterdam, Netherlands'' for instance. | ||
# Now click the button with the mouse and the small + sign. This will allow you to select image tiles. Select all images that cover your area of interest, in our example this is just one image. | # Now click the button with the mouse and the small + sign. This will allow you to select image tiles. Select all images that cover your area of interest, in our example this is just one image. | ||
# Click on ''Preview and download''. This bring you to a selection page were you can choose what image you want to download. It is likely that there are pictures available from different dates for your area. Picking the most recent one is best, for known reasons. | # Click on ''Preview and download''. This bring you to a selection page were you can choose what image you want to download. It is likely that there are pictures available from different dates for your area. Picking the most recent one is best, for known reasons. | ||
# Clicking the ID will not bring you directly to the download page, first you have to click the ''Download'' button. | # Clicking the ID will not bring you directly to the download page, first you have to click the ''Download'' button. | ||
# Download the _nn80.tif.gz file (if this is not available, try an older image). | # Download the _nn80.tif.gz file (if this is not available, try an older image). Note that Landsat images are separated in different bands. Band 1/2/3/4/5/7 have 30m/Pixel resolution while band 8 (_nn80.tif.gz) has 15 meters per pixel. | ||
# Uncompress the ''.tif.gz'' files in the directory of your choice. | # Uncompress the ''.tif.gz'' files in the directory of your choice. | ||