A digital elevation model is a digital model or 3D representation of a terrain's surface — commonly for a planet (including Earth), moon, or asteroid — created from terrain elevation data.
Read more about Digital Elevation Model: DEM, DSM or DTM, Types of DEM, Production, Methods For Obtaining Elevation Data Used To Create DEMs, Uses, Sources
Famous quotes containing the words elevation and/or model:
“Understanding the spirit of our institutions to aim at the elevation of man, I am opposed to whatever tends to degrade them.”
—Abraham Lincoln (1809–1865)
“When Titian was mixing brown madder,
His model was posed up a ladder.
Said Titian, “That position
Calls for coition,”
So he lept up the ladder and had her.”
—Anonymous.