[gdal-dev] gdaladdo don't seem to work..

[Pietro Rossin]

Hi all
I'll like to add overviews to a 1 bit geotiff

the gdalinfo for this tiff is:
***************************************
Driver: GTiff/GeoTIFF
Files: test.tif
       test.tfw
       test.aux
Size is 292042, 284413
Coordinate System is `'
Origin = (2311161.564860595900000,5168752.558307543400000)
Pixel Size = (0.426789595821517,-0.426789595819635)
Image Structure Metadata:
  COMPRESSION=CCITTFAX4
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  ( 2311161.565, 5168752.558) 
Lower Left  ( 2311161.565, 5047368.049) 
Upper Right ( 2435802.052, 5168752.558) 
Lower Right ( 2435802.052, 5047368.049) 
Center      ( 2373481.808, 5108060.304) 
Band 1 Block=256x256 Type=Byte, ColorInterp=Palette
  Description = Layer_1
  NoData Value=0
  Metadata:
    LAYER_TYPE=athematic
  Image Structure Metadata:
    NBITS=1
  Color Table (RGB with 2 entries)
    0: 255,255,255,255
    1: 0,0,0,255
***************************************
I used:
gdaladdo -r average --config USE_RRD YES test.tif 2 4 8 16

The result is a file called  test.axe 20Gb big and a test.aux file (5Kb)

gdaladdo.exe don't seem to work, in taskmanager it uses 0 to 0.1 cpu%

Gdal 1.9.2 installed with osgeo4w.

By the way, which is the best way to create overviews for this kind of
tiff??

Thankyou
Pietro




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