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[fitsbits] CDELTn by Mark Calabretta
On Thu 2007/09/20 22:27:17 CST, Doug Tody wrote in a message to: Mark Calabretta and copied to: Thierry Forveille...
September 21st 07 10:21 AM
by Mark Calabretta Go to last post
0 778
[fitsbits] CDELTn by Mark Calabretta
On Thu 2007/09/20 21:01:09 +0200, Thierry Forveille wrote in a message to: "LC's NoSpam Newsreading account" and copied to:...
September 21st 07 04:40 AM
by Mark Calabretta Go to last post
0 783
[fitsbits] CDELTn by Mark Calabretta
On Wed 2007/09/19 10:30:04 +0200, Francois Ochsenbein wrote in a message to: ... I always understood that the coordinate value is ...
September 21st 07 08:03 AM
by LC's NoSpam Newsreading account[_2_] Go to last post
4 1,032
[fitsbits] CDELTn by Steve Allen
On Tue 2007-09-18T12:26:21 +0100, David Berry hath writ: Section 2.1.2 of FITS-WCS paper 1 says "Furthermore, all CDELTi must be non-zero." Even if NAXISn...
September 18th 07 06:14 PM
by Steve Allen Go to last post
0 855
[fitsbits] CDELTn by David Berry
Section 2.1.2 of FITS-WCS paper 1 says "Furthermore, all CDELTi must be non-zero." Even if NAXISn is 1, that one pixel should still have some width. If any...
September 18th 07 04:43 PM
by LC's NoSpam Newsreading account[_2_] Go to last post
1 905
[fitsbits] CDELTn by Phil Hodge
Francois, I just found a curiosity: FITS files having CDELTn axis set to zero. This may look strange, but when the corresponding NAXISn is 1, this ...
September 18th 07 01:44 PM
by Phil Hodge Go to last post
0 863
[fitsbits] CDELTn by Francois Ochsenbein
Hi Bill, I'm not sure about the version of fv I was running -- it's on a linux and fv -help does not show the version. I just downloaded the last version...
September 21st 07 01:07 PM
by Francois Ochsenbein Go to last post
0 946
[fitsbits] CDELTn by Doug Tody
Hi Mark - I agree that this can be a useful approach when one wants to implement a higher dimensional model which can handle lower dimensional cases as...
September 21st 07 05:27 AM
by Doug Tody Go to last post
0 826
[fitsbits] CLASS to SDFITS? by Thierry Forveille[_3_]
On Fri, 19 Sep 2008, wrote: Does anyone know of a CLASS to SDFITS converter? CLASS itself can write SDFITS files, and to my knowledge...
September 21st 08 10:08 AM
by Thierry Forveille[_3_] Go to last post
0 1,709
[fitsbits] Comments on image distortion conventions by Doug Mink
Dick Shaw wrote: Regarding the proposed Simple Imaging Polynomial (SIP) convention for representing non-linear image distortions: 1. The document...
September 24th 08 06:27 PM
by Doug Mink Go to last post
0 1,761
[fitsbits] conversion of jpeg to fits by [email protected]
Isac, You should be able to convert JPEG into FITS with Aladin (http://aladin.u-strasbg.fr/aladin-f.gml) with the condition of providing an astrometry for...
September 17th 07 07:29 PM
by [email protected] Go to last post
0 733
[fitsbits] conversion of jpeg to fits by Patrick P Murphy
On Mon, 17 Sep 2007 14:45:34 +0530, "Sreenath K R" said: I have jpeg image and I would like to convert it into fits format....
September 17th 07 06:18 PM
by Patrick P Murphy Go to last post
0 794
[fitsbits] conversion of jpeg to fits by Steve Allen
On Mon 2007-09-17T14:45:34 +0530, Sreenath K R hath writ: I have jpeg image and I would like to convert it into fits format. Kindly do let me know how to...
September 17th 07 06:17 PM
by Steve Allen Go to last post
0 717
[fitsbits] Coordinate systems for solar image data (fwd) by Arnold Rots
PS: This issue reminded me that there is still something lacking in WCS. For geocentric equatorial coordinates we have RADESYS to tell us what our coordinate...
July 9th 04 03:03 PM
by Steve Allen Go to last post
3 1,231
[fitsbits] CRPIX clarifcation by Mark Calabretta
On Tue 2008/05/27 14:42:55 -0400, Jonathan McDowell wrote in a message to: Dear Jonathan, - since we have talked above about floating...
May 29th 08 01:15 AM
by Mark Calabretta Go to last post
0 1,494
[fitsbits] CRPIX clarifcation by Jonathan McDowell
Bill - good idea, but shouldn't the last sentence be: Note that the reference point may lie outside the image and that the CENTER OF THE first...
May 27th 08 07:42 PM
by Jonathan McDowell Go to last post
0 1,549
[fitsbits] CRPIX clarification by Jonathan McDowell
Eric, I didn't mean that the other approach was being done in FITS, I know it was done in some non-FITS astronomy data packages (if I remember correctly, the...
May 29th 08 04:12 PM
by Jonathan McDowell Go to last post
0 1,635
[fitsbits] CRPIX clarification by William Pence[_2_]
In order to bring this discussion to a conclusion and finalize the new FITS Standard document, I suggest 2 small modifications to the previous proposal to...
June 12th 08 07:13 PM
by William Pence[_2_] Go to last post
0 1,542
[fitsbits] CRPIX clarification by Mark Calabretta
On Thu 2008/06/12 14:13:44 -0400, William Pence wrote in a message to: FITSBITS 1. Change the first sentence in section 8.1 from ...
June 16th 08 02:38 AM
by Mark Calabretta Go to last post
0 1,459
[fitsbits] CRPIX clarification by Steve Allen
On Fri 2008-05-30T12:48:46 +1000, Mark Calabretta hath writ: I don't think that we have any significant points of disagreement. I concur. We also do not...
May 30th 08 04:55 AM
by Steve Allen Go to last post
0 1,561
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