[GRASS-user] r.proj

Paul Shapley p.shapley at gmail.com
Tue Apr 29 04:22:43 PDT 2014


I am trying to re-project some landsat 8 bands in from one location into
another location with the same Ordnance Survey Projection (epsg:27700)
using r.proj. They should overlap but currently do not. Am i using the
correct module? The error message is:

--------------------------------------------------------------------------
(Tue Apr 29 11:30:48
2014)
r.proj input=LC82040242013363LGN00_refl1 location=Landsat8 mapset=Landsat
dbase=\\msastore\decsgroup\GIS Admin support share
output=LC82040242013363LGN00_refl1
Input Projection Parameters:  +proj=tmerc +lat_0=23
+lon_0=-96 +k=1 +x_0=0 +y_0=0 +no_defs +a=6377563.396
+rf=299.3249646 +towgs84=368.000,-120.000,425.000
Input Unit Factor: 1
Output Projection Parameters:  +proj=tmerc +lat_0=49
+lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +no_defs
+a=6377563.396 +rf=299.3249646
+towgs84=368.000,-120.000,425.000
Output Unit Factor: 1
WARNING: pj_transform() failed: latitude or longitude exceeded limits
WARNING: pj_transform() failed: latitude or longitude exceeded limits
WARNING: pj_transform() failed: latitude or longitude exceeded limits
----------------------------------------------------------------------


r.proj parameters


>From Projection



projection: 99 (Transverse Mercator)
zone:       0
datum:      osgb36
ellipsoid:  airy
north:      5848830
south:      5605470
west:       296070
east:       536430
nsres:      30
ewres:      30
rows:       8112
cols:       8012
cells:      64993344



to Projection

projection: 99 (Transverse Mercator)
zone:       0
datum:      osgb36
ellipsoid:  airy
north:      1230000
south:      0
west:       0
east:       660000
nsres:      50
ewres:      50
rows:       24600
cols:       13200
cells:      324720000

-- 
*Paul J. Shapley*
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