[GRASS-SVN] r38374 - grass/branches/develbranch_6/lib/gis

svn_grass at osgeo.org svn_grass at osgeo.org
Sun Jul 12 06:15:35 EDT 2009


Author: pkelly
Date: 2009-07-12 06:15:34 -0400 (Sun, 12 Jul 2009)
New Revision: 38374

Modified:
   grass/branches/develbranch_6/lib/gis/datum.table
   grass/branches/develbranch_6/lib/gis/datumtransform.table
Log:
Fix CH1903 datum transformation parameters as per bug #35

Modified: grass/branches/develbranch_6/lib/gis/datum.table
===================================================================
--- grass/branches/develbranch_6/lib/gis/datum.table	2009-07-12 09:48:05 UTC (rev 38373)
+++ grass/branches/develbranch_6/lib/gis/datum.table	2009-07-12 10:15:34 UTC (rev 38374)
@@ -66,8 +66,7 @@
 hermannskogel "Militar_Geographische_Institut"	  bessel	dx=653	    dy=-212     dz=449
 # From NIMA document
 ire65    "TM65"                   modif_airy    dx=506      dy=-122     dz=611
-# http://www.asprs.org/asprs/resources/grids/07-2001-swiss.pdf
-ch1903   "CH1903"     bessel        dx=674.253  dy=15.053   dz=405.324
+ch1903   "CH1903"     bessel        dx=674.374  dy=15.056   dz=405.346
 # http://www.asprs.org/asprs/resources/grids/01-2001-france.pdf and http://crs.ifag.de/
 ntf      "Nouvelle_Triangulation_Francaise"                    clark80IGN       dx=-168     dy=-60      dz=320
 etrs89   "European_Terrestrial_Reference_System_1989"   grs80       dx=0        dy=0       dz=0

Modified: grass/branches/develbranch_6/lib/gis/datumtransform.table
===================================================================
--- grass/branches/develbranch_6/lib/gis/datumtransform.table	2009-07-12 09:48:05 UTC (rev 38373)
+++ grass/branches/develbranch_6/lib/gis/datumtransform.table	2009-07-12 10:15:34 UTC (rev 38374)
@@ -34,9 +34,6 @@
 nad83	"nadgrids=TN"           "Tennessee" "Transforms 'Old NAD83' to 'HPGN NAD83'"
 nad83	"nadgrids=WI"           "Wisconsin" "Transforms 'Old NAD83' to 'HPGN NAD83'"
 nad83	"nadgrids=WO"           "Washington - Oregon" "Transforms 'Old NAD83' to 'HPGN NAD83'"
-# http://www.asprs.org/asprs/resources/grids/07-2001-swiss.pdf
-# Not sure about this (esp. difference between ch1903 and ch1903+
-# ch1903  "towgs84=660.077,13.551,369.344,2.484,1.783,2.939,0.566" "Switzerland" "Accuracy approx. 1m"
 # http://www.gps.gov.uk/guide6.asp
 osgb36  "towgs84=446.448,-125.157,542.060,0.1502,0.2470,0.8421,-20.4894" "Great Britain" "Accuracy 5m"
 # http://crs.ifag.de/



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