How are band values assigned in Earth Engine?
If a single-band image is added to a map, by default Earth Engine displays the band in grayscale, where the minimum value is assigned to black, and the maximum value is assigned to white. If you don’t specify what the minimum and maximum should be, Earth Engine will use default values.
What are the bands in Google Earth Engine?
Images in Earth Engine (see this page for more details) are made up of one or more bands. Each band in an image has its own name, pixel values, pixel resolution, and projection. As you’ll soon discover, the SRTM image has one band: ‘elevation’.
How are float bands stretched in Google Earth?
For example, the image you just added to the map is displayed as a grayscale image stretched to the full range of the data, or signed 16-bit integer [-32768, 32767]. ( float bands are stretched to [0, 1] and byte bands are stretched to [0, 255] by default).
How big is a scene in band 8?
The resolution for Band 8 (panchromatic) is 15 meters. All bands can collect one of two gain settings (high or low) for increased radiometric sensitivity and dynamic range, while Band 6 collects both high and low gain for all scenes. Approximate scene size is 170 km north-south by 183 km east-west (106 mi by 114 mi).
How to stack bands in Google Earth Engine?
I have created an Image collection in GEE and with the help of a function I have computed NDVI index and mapped it to create another collection with NDVI as a band. Now I want the create a stacked image with NDVI bands of the entire image collection into one image.
How to change band combinations in Google Earth?
Change the bands to R: B4, G: B3, B: B2. This is the combination for Landsat 8, if you are using any other satellites with different band combinations it may be different. With these changes, your image should look something like this: