changing colors in filled.contour

classic Classic list List threaded Threaded
3 messages Options
Reply | Threaded
Open this post in threaded view
|

changing colors in filled.contour

begrinner
CONTENTS DELETED
The author has deleted this message.
Reply | Threaded
Open this post in threaded view
|

Re: changing colors in filled.contour

William Dunlap
After
     mylevels <- seq(0,10,10)
mylevels has length 2, hence you get 2 colors.  Use length=10,


Bill Dunlap
TIBCO Software
wdunlap tibco.com

On Wed, Oct 7, 2015 at 3:40 AM, begrinner <[hidden email]> wrote:

> Dear R community!
>
> I haven't worked with R before but I found it has some nice abilities to
> create graphics. I made it to create a filled.contour with the settings I
> want but unfortunately I don't seem to be able to change colors. Instead of
> the standard colors, I'd like to get dark gray or black for higher values
> (instead of pink) and light gray or white for lower values (instead of
> cyan).  A second option I'd like to try is having colors change from green
> (low values) to red (high values)... but right now it seems like I'm miles
> away from that.
>
> This is what I have so far:
>
> model=function(a, b){+4+0.5*a-0.2*b}
> x=seq(-10, 10, by = 2)
> y=seq(0, 100, by = 10)
> z=outer(x, y, model)
> contour(x,y,z,nlevels=12)
> mylevels <- seq(0,10,10)
> filled.contour(x,y,z, main="Title")
>
> But when I try to Change the Color theme like this -
>
>
> filled.contour(x,y,z,levels=mylevels,col=grey(seq(0,1,length=length(mylevels))))
>
>  - I just get one white and one black bar.
>
> Does anyone of you know a solution?
>
> Thanks in advance, you'd help me a lot as I've been working on these few
> lines for a couple already.
>
> J
>
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/changing-colors-in-filled-contour-tp4713260.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> [hidden email] mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

        [[alternative HTML version deleted]]

______________________________________________
[hidden email] mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
Reply | Threaded
Open this post in threaded view
|

Re: changing colors in filled.contour

begrinner
In reply to this post by begrinner
CONTENTS DELETED
The author has deleted this message.