These five objects are provided to demonstrate the functionality of
the gmt package.
Usage
demo.par
demo.coast
demo.xy
demo.text
demo.bar
Arguments
format
demo.par and demo.coast are simple strings.
demo.xy is a data frame containing:
ll{
Lon Longitude
Lat Latitude
Size Size of plot symbol
}
demo.text is a data frame containing:
ll{
Lon Longitude
Lat Latitude
Size Size of plot symbol
Angle Angle in degrees counter-clockwise from horizontal
Font Font number
Justify Justification code
Text Text label
}
demo.bar is a data frame containing:
ll{
Lon Longitude
Lat Longitude
Width Bar width in degrees
Height Bar height in degrees
}
Details
See the GMT documentation for details on psxy,
pstext and other GMT commands.
References
Wessel, P. and W.H.F. Smith. 2004. The Generic Mapping Tools:
Technical reference and cookbook. Version 4. Available at
http://gmt.soest.hawaii.edu/gmt/doc/pdf/GMT$\_$Docs.pdf.