Introduction of Core pakage

  1. geoos: supports all spatial data types in OGC
  2. planar: supports basic GIS operations for spatial data, which can perform intersecting, creating buffers, calculating statistics, performing neighborhood analysis, and more
  3. encoding: including the conversion between wkt and wkb
  4. geocsv: Geocsv data analysis
  5. geojson: Geojson data analysis and conversion
  6. grid: supports square and hexagonal division
  7. measure: Spatial data measurement