Check density of images for an area
Step 1: import the landsat 8 archive
Step 2: Select an area of interest and call in aoi.
Step 3: use the code below to show the count.
// filter images on bounds
l8 = l8.filterBounds(aoi).filterDate("2016-01-01","2016-12-31");
// display image count
Map.addLayer(l8.count(), {min:0, max:70},"number of images");
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Open Geo Blog 
Hi, how can I only display the boundary of the image covery?
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try Map.addLayer(l8.first().geometry()) or Map.addLayer(l8.geometry())
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Hi, thank you so much for your response.
I tried your method. It is useful to some degree, and I want to only display the boundary lines of the image collections without any colors filling in. How can I realize it?
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