Raster Data

• Grid and cells
• For continuous data such as elevation, slope, surfaces

Vector Data

• A series of x,y coordinates
• For discrete data represented as points, lines, polygons

Raster Data

Vector Data

• Easy and efficient overlaying
• Compatible with remote sensing imagery
• Efficient to represents continuous data
• Simple data structure

• Smaller file size
• Editing is very Easy
• Proper identity for discrete objects, like point, line or polygon
• Efficient Topological relationship
• Accurate projection transformation

• Difficult overlay operations
• Not Compatible with remote sensing imagery
• That is Not proper represents continuous data
• Complex data structure

• Larger file size
• Difficult to edit
• It’s a pixel series, so not accurate identity the objects
• Did not build Topological relationship
• Inefficient projection transformation