Mapping Fisheries Data and Spatial Analysis Tools
Add Bubbles to Maps
Add Compass Rose to Map
Add Labels to an Existing Plot
Add a PolySet to an Existing Plot as Polylines
Add EventData/PolyData to an Existing Plot as Points
Add Polygon PolySet to Existing Plot
Add Stipples to an Existing Plot
Append a Two-Column Matrix to a PolySet
Calculate the Areas of Polygons
Calculate the Centroids of Polygons
Calculate Convex Hull for a Set of Points
Calculate Great-Circle Distance
Calculate the Length of Polylines
Calculate the Midpoint of the X/Y Ranges of Polygons
Apply Functions to Polygons in a PolySet
Calculate Voronoi Tesselation
Clip a PolySet as Polygons or Polylines
Close a PolySet
Combine Measurements of Events
Combine Several Polygons into a Single Polygon
Convert Contour Lines into a PolySet
Convert EventData/PolyData into a PolySet
Convert Polylines into a Polygon
Convert Coordinates between UTM and Lon/Lat
Divide a Single Polygon into Several Polygons
Add Items to Plots
Calculate Things
Check Stuff
Create Indices for PolySets
Fix Things
Get Stuff
Are Points in Polygons?
Convert Matrix to Data Frame
Run PBSmapping Example Figures
PBSmapping Environment
Validate PBSmapping Data Structures
EventData Objects
Extract PolyData from a PolySet
Find Grid Cells that Contain Events
Find Polygons that Contain Events
Fix the Boundary Points of a PolySet
Fix the POS Column of a PolySet
Import EventData from a Text File
Import Data from a GSHHS Database
Import LocationSet from Text File
Import PolySet from Text File
Determine Whether Polygons are Convex
Determine Whether Polygons are Self-Intersecting
Join One or Two PolySets using a Logic Operation
Locate Events on the Current Plot
Locate Polygons on the Current Plot
LocationSet Objects
Make a Grid of Polygons
Make Polygon Properties
Make Topography Data from Online Source
PBS Mapping: Draw Maps and Implement Other GIS Procedures
Specify Whether to Print Summaries
Place Holes Under Solids
Plot a PolySet as Polylines
Plot a PolySet as a Map
Plot EventData/PolyData as Points
Plot a PolySet as Polygons
PolyData Objects
PolySet Objects
Print PBS Mapping Objects
Refocus the worldLL/worldLLhigh Data Sets
Convert RGB to RYB and RYB to RGB
Rotate Polygons and Events
Summarize PBS Mapping Objects
Thicken a PolySet of Polygons
Thin a PolySet of Polygons
This software has evolved from fisheries research conducted at the Pacific Biological Station (PBS) in 'Nanaimo', British Columbia, Canada. It extends the R language to include two-dimensional plotting features similar to those commonly available in a Geographic Information System (GIS). Embedded C code speeds algorithms from computational geometry, such as finding polygons that contain specified point events or converting between longitude-latitude and Universal Transverse Mercator (UTM) coordinates. Additionally, we include 'C++' code developed by Angus Johnson for the 'Clipper' library, data for a global shoreline, and other data sets in the public domain. Under the user's R library directory '.libPaths()', specifically in './PBSmapping/doc', a complete user's guide is offered and should be consulted to use package functions effectively.
Useful links