Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
5 Cards in this Set
- Front
- Back
|
Vector Components
|
Point - each has unique location
Line - Points form relationship Polygon - scribed by points and lines, defined as an area of homogeneous phenomena (described by 1+ attributes) |
|
|
Vector Advantages
|
Compact Data Structure
Topologically efficient Similar to hand drawn maps Very accurate |
|
|
Vector Disadvantages
|
More complex data structure
Overlay operations complex Inefficient representation of high spatial variability Images not easily handled Double-border Problem |
|
|
Vector Coordinates
|
# bits need to store coordinates in a cartesian coordinate system
|
|
|
Vectorization
|
Conversion of raster to vector (from raster cell center points to smoothed line)
|
