GIS Topics

Table of Contents

• 2020/7/29

  • Coordinates
  • Geographic Coordinate System
  • Geocentric Coordinate System
  • Projected Coordinate System
  • Latitudes
  • Ellipsoids
  • Geoid
  • Local vs Global Datum

• 2020/8/5

  • Developable Surfaces
  • Cylinder Unwrapping
  • Central Cylindrical Projection
  • Cylindrical Equal-area Projection
  • Equirectangular Projection
  • Mercator Projection
  • Universal Transverse Mercator
  • Azimuthal Projections
  • Conic Projections

• 2020/8/12

  • Point
  • LineString
  • Effect of CRS on Shapes
  • Polygon
  • Multi-geometry
  • Z and M Coordinates
  • Simple vs Non-simple
  • Geometry Collection
  • Comparison Operations
  • Operations Producing New Geometry
  • Arrangement
  • Limitations of Common Implementations

• 2020/8/19

  • Rasters
  • Raster Formats
  • Band Interleaving
  • No-Data Values
  • Raster Coordinates
  • Half-Pixel Shift
  • Hexagonal Lattice
  • Bilinear Interpolation
  • Interpolation Space
  • DEM Bilinear Interpolation

• 2020/8/26

  • Map Scale
  • Small Scale vs Large Scale
  • Scale Distortion
  • Levels of Detail
  • Raster LODs
  • LineString Simplification
  • Merging and Aggregation
  • Filtering/Selection/Typification
  • Tile XYZ <-> Quad Key