Re: [R] fill the area outside a polygon

2015-12-03 Thread Adrian Dușa
Hi Greg, On Wed, Dec 2, 2015 at 10:28 PM, Greg Snow <538...@gmail.com> wrote: > > Adrian, > > Draw the polygon once without the border and the whole in it, then go > back and draw the border around the outer polygon without any fill. I thought about it too, but this only works on a Windows machin

Re: [R] fill the area outside a polygon

2015-12-03 Thread Adrian Dușa
On Wed, Dec 2, 2015 at 10:38 PM, Michael Sumner wrote: > > On Wed, 2 Dec 2015 at 23:10 Adrian Dușa wrote: > >> Dear All, >> >> I know how to fill a polygon, using a basic R graphics device: >> >> par(mai=c(0, 0, 0, 0)) >> plot(1:100, type="n") >> polygon(c(20, 80, 80, 20), c(20, 20, 80, 80), col

Re: [R] fill the area outside a polygon

2015-12-02 Thread Michael Sumner
On Wed, 2 Dec 2015 at 23:10 Adrian Dușa wrote: > Dear All, > > I know how to fill a polygon, using a basic R graphics device: > > par(mai=c(0, 0, 0, 0)) > plot(1:100, type="n") > polygon(c(20, 80, 80, 20), c(20, 20, 80, 80), col="lightblue") > > > But let's say I have an outer polygon like this:

Re: [R] fill the area outside a polygon

2015-12-02 Thread Greg Snow
Adrian, Draw the polygon once without the border and the whole in it, then go back and draw the border around the outer polygon without any fill. On Wed, Dec 2, 2015 at 9:31 AM, Adrian Dușa wrote: > On Wed, Dec 2, 2015 at 5:19 PM, David L Carlson wrote: >> >> Using only base graphics, one solut

Re: [R] fill the area outside a polygon

2015-12-02 Thread Adrian Dușa
On Wed, Dec 2, 2015 at 5:19 PM, David L Carlson wrote: > > Using only base graphics, one solution would be to embed the inner polygon in the outer one and turn off the border: > > par(mai=c(0, 0, 0, 0)) > plot(1:100, type="n") > polygon(c(0, 100, 100, 0, 0, 20, 80, 80, 20, 20, 0), > c(0, 0, 1

Re: [R] fill the area outside a polygon

2015-12-02 Thread David L Carlson
015 6:07 AM To: r-help@r-project.org Subject: [R] fill the area outside a polygon Dear All, I know how to fill a polygon, using a basic R graphics device: par(mai=c(0, 0, 0, 0)) plot(1:100, type="n") polygon(c(20, 80, 80, 20), c(20, 20, 80, 80), col="lightblue") But let's

[R] fill the area outside a polygon

2015-12-02 Thread Adrian Dușa
Dear All, I know how to fill a polygon, using a basic R graphics device: par(mai=c(0, 0, 0, 0)) plot(1:100, type="n") polygon(c(20, 80, 80, 20), c(20, 20, 80, 80), col="lightblue") But let's say I have an outer polygon like this: polygon(c(0,100,100,0), c(0,0,100,100)) Is it possible to fill t