R/addLegend.R

In fields: Tools for Spatial Data

#
# fields  is a package for analysis of spatial data written for
# the R software environment.
# Copyright (C) 2022 Colorado School of Mines
# 1500 Illinois St., Golden, CO 80401
# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the R software environment if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
# or see http://www.r-project.org/Licenses/GPL-2
##END HEADER
addLegend<- function(legendLayout,
                col,
               zlim,
          axis.args = NULL,
        legend.args = NULL,
         legend.cex = 1.0, 
         legend.lab = NULL,
        legend.line = 2 
           ){
   info<- legendLayout
   
   imagePlot( legend.only=TRUE,
              add=TRUE,
              smallplot = info$smallplot,
              col= col,
              zlim = zlim,
              legend.lab = legend.lab,
              legend.line= legend.line, 
               axis.args = axis.args,
              legend.args = legend.args,
              legend.cex = legend.cex,
           legend.shrink = info$legend.shrink,
              legend.mar = info$legend.mar,
            legend.width = info$legend.width,
              horizontal = info$horizontal
              )
}