[Proj] apply plane rotation after transverse Mercator projection

[Clifford J Mugnier]

I don't know if PROJ4 has it, but the Rosenmund projection as used in Switzerland sounds like what you want.
 
Clifford J. Mugnier, C.P., C.M.S.
Chief of Geodesy,
Center for GeoInformatics
Department of Civil Engineering 
Patrick F. Taylor Hall 3531
LOUISIANA STATE UNIVERSITY 
Baton Rouge, LA  70803
Voice and Facsimile:  (225) 578-8536 [Academic] 
Voice and Facsimile:  (225) 578-4578 [Research] 
Cell: (225) 328-8975 [Academic & Research]
Honorary Life Member of the 
Louisiana Society of Professional Surveyors 
Fellow Emeritus of the ASPRS 
Member of the Americas Petroleum Survey Group


________________________________

From: proj-bounces at lists.maptools.org on behalf of Duffy, Garret
Sent: Wed 12-Oct-11 06:13
To: proj at lists.maptools.org
Subject: [Proj] apply plane rotation after transverse Mercator projection



Hi, 

I would like to design a projection that is similar to a TM projection except append the parameter "XY_Plane_Rotation", i.e. rotate the XY axes.  Is this possible to do in PROJ4?  I note the tmerc doesn't have an alpha parameter or similar.  I already tried using RSO but it's overkill for what I want to do, all I want to do is apply a simple cartesian rotation to the projected XY axes.

Another thing I tried was editing a PRJ file for a TM projected data and then appending "PARAMETER["XY_Plane_Rotation",XX]" to the file but that doesn't seem to work.

Do I have to define a custom PROJCS that is based on tmerc but allows for the XY_Plane_Rotation parameter? 

Any suggestions gratefully would be (very) gratefully received as I have been trying to do this supposedly simple thing all week.

Regards, 

Garret 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.maptools.org/pipermail/proj/attachments/20111012/181fca24/attachment.htm