[Liblas-commits] hg: add backward compatability for original spec vertical cs cod...

[liblas-commits at liblas.org]

changeset 4021e1c06b5f in /Volumes/Data/www/liblas.org/hg
details: http://hg.liblas.orghg?cmd=changeset;node=4021e1c06b5f
summary: add backward compatability for original spec vertical cs codes (libgeotiff #24)

diffstat:

 src/gt_wkt_srs.cpp |  16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diffs (26 lines):

diff -r a87ed509c137 -r 4021e1c06b5f src/gt_wkt_srs.cpp
--- a/src/gt_wkt_srs.cpp	Thu Jan 14 00:26:14 2010 +0000
+++ b/src/gt_wkt_srs.cpp	Fri Jan 15 23:56:55 2010 -0500
@@ -665,6 +665,22 @@
             strcpy( citation, "unknown" );
 
 /* -------------------------------------------------------------------- */
+/*      The original geotiff specification appears to have              */
+/*      misconstrued the EPSG codes 5101 to 5106 to be vertical         */
+/*      coordinate system codes, when in fact they are vertical         */
+/*      datum codes.  So if these are found in the                      */
+/*      VerticalCSTypeGeoKey move them to the VerticalDatumGeoKey       */
+/*      and insert the "normal" corresponding VerticalCSTypeGeoKey      */
+/*      value.                                                          */
+/* -------------------------------------------------------------------- */
+        if( (verticalCSType >= 5101 && verticalCSType <= 5112)
+            && verticalDatum == -1 )
+        {
+            verticalDatum = verticalCSType;
+            verticalCSType = verticalDatum + 600;
+        }
+
+/* -------------------------------------------------------------------- */
 /*      Promote to being a compound coordinate system.                  */
 /* -------------------------------------------------------------------- */
         OGR_SRSNode *poOldRoot = oSRS.GetRoot()->Clone();