From 338ea581218e4e3361c5dc52a8508a6020d2b27d Mon Sep 17 00:00:00 2001
From: Howard Butler <howard@hobu.co>
Date: Wed, 20 May 2015 21:10:55 +0000
Subject: apply patch from #271 to use GTX null value  88.88880f for vertical
 shifts

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@2655 4e78687f-474d-0410-85f9-8d5e500ac6b2
---
 src/pj_apply_vgridshift.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pj_apply_vgridshift.c b/src/pj_apply_vgridshift.c
index d26e902a..d6a15761 100644
--- a/src/pj_apply_vgridshift.c
+++ b/src/pj_apply_vgridshift.c
@@ -153,7 +153,7 @@ int pj_apply_vgridshift( PJ *defn, const char *listname,
                 + cvs[grid_ix + 1 + (grid_iy+1) * ct->lim.lam] 
                 * (grid_x) * (grid_y);
 
-            if( value > 1000 || value < -1000 ) /* nodata? */
+            if( value == -88.88880f ) /* nodata? */
                 value = HUGE_VAL;
             else
             {
-- 
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