Re: [Plplot-devel] Getting Cairo coordinates from PLplot world coordinates

2009-06-03 Thread Hezekiah M. Carty
On Wed, Jun 3, 2009 at 6:35 PM, Hazen Babcock wrote: > Hezekiah M. Carty wrote: >> >> On Wed, Jun 3, 2009 at 4:36 PM, Hazen Babcock wrote: >>> >>> Hezekiah M. Carty wrote: While writing the Cairo backend for plarc, I am having some trouble getting the transformation from world coor

Re: [Plplot-devel] Getting Cairo coordinates from PLplot world coordinates

2009-06-03 Thread Hazen Babcock
Hezekiah M. Carty wrote: > On Wed, Jun 3, 2009 at 4:36 PM, Hazen Babcock wrote: >> Hezekiah M. Carty wrote: >>> While writing the Cairo backend for plarc, I am having some trouble >>> getting the transformation from world coordinates to Cairo coordinates >>> correct. From what I understand, the p

Re: [Plplot-devel] Circle support

2009-06-03 Thread Hezekiah M. Carty
On Wed, Jun 3, 2009 at 4:16 PM, Alan W. Irwin wrote: > On 2009-06-03 15:19-0400 Hezekiah M. Carty wrote: > > [...] I reworked the (only) function prototype so that it >> >> currently looks like this: >> >> void >> c_plarc(PLFLT x, PLFLT y, PLFLT a, PLFLT b, PLFLT angle1, PLFLT >> angle2, PLFLT rot

Re: [Plplot-devel] Getting Cairo coordinates from PLplot world coordinates

2009-06-03 Thread Hazen Babcock
Hezekiah M. Carty wrote: > While writing the Cairo backend for plarc, I am having some trouble > getting the transformation from world coordinates to Cairo coordinates > correct. From what I understand, the proper method is: > > cairo_x = plP_wcpcx(world_x); > cairo_y = plP_wcpcx(world_y); > cair

Re: [Plplot-devel] Circle support

2009-06-03 Thread Alan W. Irwin
On 2009-06-03 15:19-0400 Hezekiah M. Carty wrote: [...] I reworked the (only) function prototype so that it > currently looks like this: > > void > c_plarc(PLFLT x, PLFLT y, PLFLT a, PLFLT b, PLFLT angle1, PLFLT > angle2, PLFLT rotation, PLBOOL fill); > > where: > > x, y - center of the arc > a an

Re: [Plplot-devel] Circle support

2009-06-03 Thread Hezekiah M. Carty
On Mon, May 25, 2009 at 12:49 PM, Alan W. Irwin wrote: > On 2009-05-25 00:22-0400 Hezekiah M. Carty wrote: > >> I would like to implement a plcircle function in PLplot.  I have a few >> questions before I start making commits: >> >> 1. Should a call to plcircle draw one circle or many? >> >> a) pl

Re: [Plplot-devel] Possible dates for 5.9.5 and 5.10.0

2009-06-03 Thread Hazen Babcock
Alan W. Irwin wrote: > Now that the new build system for the installed examples has been completed, > my next plans are to finish off the long-promised time stuff (leap > intervals, updated example 29, etc.) and to give moral support and advice to > Hazen as he implements changes to the core build