[Xastir] Difficulty loading Geotif

Curt, WE7U archer at eskimo.com
Fri Mar 26 14:15:40 EST 2004


On Thu, 25 Mar 2004, Brian D Heaton wrote:

> XASTIR debugging output.....
> ---------------------------------------------
> Load maps start
> Load maps Open map file
> Found mapname: TESTING/test1.tif
> Load maps -TESTING/test1.tif
> draw_map: Searching for map driver
> draw_map: Found map driver: tif: 3
> draw_map: /usr/local/share/xastir/maps/TESTING/test1.tif
> /usr/local/share/xastir/maps/TESTING/test1.tif
> /usr/local/share/xastir/maps/TESTING/test1.fgd
> /usr/local/share/xastir/maps/metadata/test1.fgd
> Couldn't open '.fgd' file, assuming no map collar to chop
> /usr/local/share/xastir/maps/TESTING/test1.tif
> XTIFFOpen
> GTIFNew
> GTIFDirectoryInfo
> GTIFGetDefn
> GCS: 4326/WGS 84
> Datum: 6326/World Geodetic System 1984
> Ellipsoid: 7030/WGS 84 (6378137.00,6356752.31)
> Prime Meridian: 8901/Greenwich (0.000000/  0d 0' 0.00"E)
>
> Corner Coordinates:
> Upper Left    (     43.000,     35.000)
> Lower Right   (     44.000,     35.000)
> Lower Right   (     43.000,     34.500)
> Lower Right   (     44.000,     34.500)
> Datum: 6326/World Geodetic System 1984
> ***** Skipping Datum Conversion
>             Width: 8406
>            Height: 5562
>       Photometric: 3
>    Rows Per Strip: 1
>   Bits Per Sample: 8
> Samples Per Pixel: 1
>     Planar Config: 1
> Loading geoTIFF map: /usr/local/share/xastir/maps/TESTING/test1.tif
>
> NW neat-line corner = 43.000000 35.000000
> Problem in translating
> NE neat-line corner = 44.000000 35.000000
> Problem in translating
> SW neat-line corner = 43.000000 34.500000
> Problem in translating
> SE neat-line corner = 44.000000 34.500000
> Problem in translating
> Crop points (pixels):
> Top: 3  Bottom: 5561    Left: 3 Right: 8405
>
> Initial Bytes Per Row: 8406
> xastir_left_x_increment: 0.000000  80280000  80280000     0.000000  3 3  5561  3
> xastir_left_y_increment: 30000.000000  19980000  19800000     1.000000 -3  3  5561  3
> xastir_right_x_increment: 0.000000  80640000  80640000     0.000000  -3 -3  5561  3
> xastir_right_y_increment: 30000.000000  19980000  19800000     1.000000 -3  3  5561  3
>  Left x increments: 0.000000 0.000000
>  Left y increments: 30000.000000 1.000000
> Right x increments: 0.000000 0.000000
> Right y increments: 30000.000000 1.000000
> xastir_top_y_increment: 0.000000  19800000  19800000     0.000000  3  3 8405  3
> xastir_bottom_y_increment: 0.000000  19980000  19980000     0.000000 -3  -3  8405  3
> PixelScale: 0.000119 0.000090 0.000000
> Size: x 262144, y 262144
> SkipRows: 556
> 5563 rows read in
> Load maps stop
> ---------------------------------------------------


Here's mine from the o48123h1.tif file, again for comparison:

Load maps start
draw_map: Searching for map driver
draw_map: Found map driver: tif: 3
draw_map: /usr/local/share/xastir/maps/World/USA/WA/Tif/o48123h1.tif
/usr/local/share/xastir/maps/World/USA/WA/Tif/o48123h1.tif
/usr/local/share/xastir/maps/World/USA/WA/Tif/o48123h1.fgd
West Bounding:  -123.125000
East Bounding:  -123.000000
North Bounding: 49.000000
South Bounding: 48.875000
48.875000 49.000000 -123.125000 -123.000000
FGD:  W:-123.125000  E:-123.000000  N:49.000000  S:48.875000
Map is viewable
XTIFFOpen
GTIFNew
GTIFDirectoryInfo
GTIFGetDefn
PCS = 26710 (NAD27 / UTM zone 10N)
Projection = 16010 (UTM zone 10N)
Projection Method: CT_TransverseMercator
   ProjNatOriginLatGeoKey: 0.000000 (  0d 0' 0.00"N)
   ProjNatOriginLongGeoKey: -123.000000 (123d 0' 0.00"W)
   ProjScaleAtNatOriginGeoKey: 0.999600
   ProjFalseEastingGeoKey: 500000.000000 m
   ProjFalseNorthingGeoKey: 0.000000 m
GCS: 4267/NAD27
Datum: 6267/North American Datum 1927
Ellipsoid: 7008/Clarke 1866 (6378206.40,6356583.80)
Prime Meridian: 8901/Greenwich (0.000000/  0d 0' 0.00"E)
Projection Linear Units: 9001/metre (1.000000m)
Datum: 6267/North American Datum 1927
***** Attempting Datum Conversions
            Width: 5030
           Height: 6729
      Photometric: 3
   Rows Per Strip: 1
  Bits Per Sample: 8
Samples Per Pixel: 1
    Planar Config: 1
Loading geoTIFF map:
/usr/local/share/xastir/maps/World/USA/WA/Tif/o48123h1.tif

NW neat-line corner = -123.125000       49.000000
 490856.892,5427244.298
X/Y Pixels: 485.613243, 351.925915
X/Y Pixels: 486, 352
NE neat-line corner = -123.000000       49.000000
 500000.000,5427236.771
X/Y Pixels: 4235.247518, 355.012843
X/Y Pixels: 4235, 355
SW neat-line corner = -123.125000       48.875000
 490834.034,5413348.801
X/Y Pixels: 476.239248, 6050.538346
X/Y Pixels: 476, 6051
SE neat-line corner = -123.000000       48.875000
 500000.000,5413341.270
X/Y Pixels: 4235.247518, 6053.627114
X/Y Pixels: 4235, 6054
Crop points (pixels):
Top: 355        Bottom: 6051    Left: 479       Right: 4232

Initial Bytes Per Row: 5030
xastir_left_x_increment: 0.000527  20474538  20474535     -0.001757 479  489  6051  355
xastir_left_y_increment: 7.904444  14805072  14760072     1.000000 6048  355  6051  355
xastir_right_x_increment: 0.000000  20519538  20519538     0.000000 4232  4232  6051  355
xastir_right_y_increment: 7.904444  14805072  14760072     1.000000 6051  358  6051  355
 Left x increments: 0.000527 -0.001757
 Left y increments: 7.904444 1.000000
Right x increments: 0.000000 0.000000
Right y increments: 7.904444 1.000000
xastir_top_y_increment: 0.000000  14760072  14760072     0.000801 358  355  4232  479
xastir_bottom_y_increment: 0.000000  14805072  14805072     0.000799 6051  6048  4232  479
PixelScale: 2.438400 2.438400 0.000000
Size: x 3, y 2
SkipRows: 1
6052 rows read in
Load maps stop


--
Curt, WE7U			    archer at eskimo dot com
Arlington, WA, USA		http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
"The world DOES revolve around me:  I picked the coordinate system!"



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