[R] How to draw a transparent polygon

2014-05-21 Thread Jun Shen
Hi everyone, How do I draw a transparent ploygon overlaying with a scatter plot? Let's say, we call plot() to have a scatter plot, then call polygon() to add a polygon. I was hoping the polygon can be transparent so the scatter plot is still visible. I can't find any argument in polygon() for

Re: [R] How to draw a transparent polygon

2014-05-21 Thread David L Carlson
Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Jun Shen Sent: Wednesday, May 21, 2014 10:32 AM To: R-help Subject: [R] How to draw a transparent polygon Hi everyone, How do I draw a transparent ploygon overlaying with a scatter plot? Let's say, we

Re: [R] How to draw a transparent polygon

2014-05-21 Thread William Dunlap
to draw a transparent polygon Hi everyone, How do I draw a transparent ploygon overlaying with a scatter plot? Let's say, we call plot() to have a scatter plot, then call polygon() to add a polygon. I was hoping the polygon can be transparent so the scatter plot is still visible. I can't

Re: [R] How to draw a transparent polygon

2014-05-21 Thread Boris Steipe
-help Subject: [R] How to draw a transparent polygon Hi everyone, How do I draw a transparent ploygon overlaying with a scatter plot? Let's say, we call plot() to have a scatter plot, then call polygon() to add a polygon. I was hoping the polygon can be transparent so the scatter plot

Re: [R] How to draw a transparent polygon

2014-05-21 Thread Jun Shen
of Anthropology Texas AM University College Station, TX 77840-4352 -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Jun Shen Sent: Wednesday, May 21, 2014 10:32 AM To: R-help Subject: [R] How to draw a transparent

Re: [R] How to draw a transparent polygon

2014-05-21 Thread Boris Steipe
-4352 -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Jun Shen Sent: Wednesday, May 21, 2014 10:32 AM To: R-help Subject: [R] How to draw a transparent polygon Hi everyone, How do I draw a transparent

Re: [R] How to draw a transparent polygon

2014-05-21 Thread Bert Gunter
: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Jun Shen Sent: Wednesday, May 21, 2014 10:32 AM To: R-help Subject: [R] How to draw a transparent polygon Hi everyone, How do I draw a transparent ploygon overlaying with a scatter plot? Let's say