Re: [R] computing the radius of an arc

2009-07-28 Thread Hans W Borchers
Nair, Murlidharan T mnair at iusb.edu writes: Alex Brenning, the developer of the RSAGA package told me that and I quote the RSAGA package (which uses functions from the free geographical information system [GIS] SAGA GIS) has a curvature function that is designed to calculate the

Re: [R] computing the radius of an arc

2009-07-27 Thread Nair, Murlidharan T
[mailto:greg.s...@imail.org] Sent: Friday, July 24, 2009 12:41 PM To: Nair, Murlidharan T; Hans W Borchers; r-h...@stat.math.ethz.ch; Bert Gunter; 'Gabor Grothendieck' Subject: RE: [R] computing the radius of an arc There is a function rsaga.local.morphometry in the RSAGA package that says it computes

Re: [R] computing the radius of an arc

2009-07-24 Thread Hans W Borchers
Nair, Murlidharan T mnair at iusb.edu writes: Hi!! I am interesting in computing the radius of an arc that best approximates a curve. Is there an R function that I can use to draw an arc? Nothing useful came up when I searched help.search. Does anyone have any suggestion to do this?

Re: [R] computing the radius of an arc

2009-07-24 Thread Nair, Murlidharan T
) -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Hans W Borchers Sent: Friday, July 24, 2009 5:41 AM To: r-h...@stat.math.ethz.ch Subject: Re: [R] computing the radius of an arc Nair, Murlidharan T mnair at iusb.edu writes: Hi!! I

Re: [R] computing the radius of an arc

2009-07-24 Thread Greg Snow
, Murlidharan T Sent: Friday, July 24, 2009 8:53 AM To: Hans W Borchers; r-h...@stat.math.ethz.ch; Bert Gunter; 'Gabor Grothendieck' Subject: Re: [R] computing the radius of an arc Thanks, for all the suggestions. Indeed I am interested in computing curvature (http://en.wikipedia.org/wiki/Curvature

[R] computing the radius of an arc

2009-07-23 Thread Nair, Murlidharan T
Hi!! I am interesting in computing the radius of an arc that best approximates a curve. Is there an R function that I can use to draw an arc? Nothing useful came up when I searched help.search. Does anyone have any suggestion to do this? Thanks ../Murli

Re: [R] computing the radius of an arc

2009-07-23 Thread Gabor Grothendieck
See ?draw.arc in the plotrix package to draw an arc. On Thu, Jul 23, 2009 at 10:13 PM, Nair, Murlidharan Tmn...@iusb.edu wrote: Hi!! I am interesting in computing the radius of an arc that best approximates a curve. Is there an R function that I can use to draw an arc? Nothing useful came

Re: [R] computing the radius of an arc

2009-07-23 Thread Bert Gunter
-Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Gabor Grothendieck Sent: Thursday, July 23, 2009 7:33 PM To: Nair, Murlidharan T Cc: r-h...@stat.math.ethz.ch Subject: Re: [R] computing the radius of an arc See ?draw.arc