Question

Consider creating rasters for these data sets, each of which will be stored using integers. What pixel depth, in bytes, would be the most efficient choice for each type of data: (a) elevation in meters; (b) crown canopy percent; (c) temperature in degrees for a thermal camera used by firefighters; (d) median county income in dollars

Answer 1

(a) 2 bytes

(b) 1 byte

(c) 1 byte

(d) 2 bytes

Step-by-step explanation:

The pixel depth, in bytes, that would be most efficient choice for each type of data are:

(a) elevation in meters; 2 bytes.

(b) crown canopy percent; 1 bytes.

(c) temperature in degrees for a thermal camera used by firefighters; 1 bytes.

(d) median county income in dollars; 2 bytes.

Pixel depth also known as bit depth, determines the number of bits used to hold a screen pixel or the range of values that a particular raster file can store.

Pixel depth is calculated with the formula
`2{^n}` where n is the pixel depth.