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GIS I - Group C (maps (Types (Choropleth Map :, Dot Density Map, Feature…

- - - - Conical
      - Planer
      - Distortions
      - Cylindrical
  - - - Surveying
      - Existing Maps & Digital Maps
- - - - Vector Data Models
        
        Discrete Objects
        
        Polygons
        
        Lines
        
        Points
        
        Coordinate pairs
        
        Topology
        
        Spatial relationships
        
        Connectivity
        
        Containment
        
        Adjentcy
        
        Spaghetti
        
        Topological
        
        Non-topological
        
        ArcView Shapefiles
        
        <-
        
        Data Structure
        
        Coverage
        
        Shape File
        
        Geo Database
      - Raster Data Model
        
        Image Data
        
        Visual representation
        
        EX: Satellite Image, Aerial Photos
        
        Brightness values
        
        Requires classification prior to Analysis
        
        Thematic Data
        
        Measured Quantity/Classification
        
        EX: Land cover, Precipitation(?)
        
        Cell Values
        
        Discrete data represented with Integers
        
        Value Attribute Table
        
        Continuous Data represented by Floating Points
        
        Compression
        
        Quad. Tree
        
        Run-Length Coding