reply summary for colored tick marks

[Karen_Byron@bd.com]

I received two replies to my question
on controlling the tick mark color.  Here is Bill Dunlap's solution
(and slightly adapted example):
   plot(1:10, axes=F)
   x.lab <- c(1, 3, 7)
; lab <- c("One", "Three", "Seven") ;
   col<-c("red",
"green", "blue") # works in 8.0, not earlier
   for(i in seq(along=x.lab))
      axis(side=1, at=x.lab[i],
lab=lab[i], col.axis=col[i], fg=col[i])
The 'fg'
was my missing piece.

Also helpful was the suggestion to use
axis.render from Klaas Prins.  This is a lower level command that
has more options.  Here is the same example reworked:
   plot(1:10, axes=F)
   x.lab <- c(1, 3, 7)
; lab <- c("One", "Three", "Seven") ;
   col<-c("red",
"green", "blue") # works in 8.0, not earlier
   axis.render(side=1, ticks=list(at=x.lab,
col.axis=col, fg=col, out.length = c(0.05, 0.03, 0.01)), 
         
 labels=list(at=x.lab, text=lab, col.lab=col))

Thanks

Karen J Byron
Statistical Analysis

BD
1 Becton Drive, Franklin Lakes, NJ 07417 USA   MC: 078
tel: 201-847-5923    fax: 201-847-5887
E-mail: karen_byron@bd.com   Website: www.bd.com

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