TIFF: Set AREA_OR_POINT=Point

[mojodna]

Currently "Area":

$ gdalinfo 0.tif
Driver: GTiff/GeoTIFF
Files: 0.tif
Size is 512, 512
Coordinate System is:
PROJCS["WGS 84 / Pseudo-Mercator",
    GEOGCS["WGS 84",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,298.257223563,
                AUTHORITY["EPSG","7030"]],
            AUTHORITY["EPSG","6326"]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433],
        AUTHORITY["EPSG","4326"]],
    PROJECTION["Mercator_1SP"],
    PARAMETER["central_meridian",0],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    EXTENSION["PROJ4","+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs"],
    AUTHORITY["EPSG","3857"]]
Origin = (-20037508.339999999850988,20037508.339999999850988)
Pixel Size = (78271.516953124999418,-78271.516953124999418)
Metadata:
  AREA_OR_POINT=Area
Image Structure Metadata:
  COMPRESSION=LZW
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (-20037508.340,20037508.340) (180d 0' 0.00"W, 85d 3' 4.06"N)
Lower Left  (-20037508.340,-20037508.340) (180d 0' 0.00"W, 85d 3' 4.06"S)
Upper Right (20037508.340,20037508.340) (180d 0' 0.00"E, 85d 3' 4.06"N)
Lower Right (20037508.340,-20037508.340) (180d 0' 0.00"E, 85d 3' 4.06"S)
Center      (   0.0000000,   0.0000000) (  0d 0' 0.01"E,  0d 0' 0.01"N)
Band 1 Block=256x256 Type=Int16, ColorInterp=Gray
  NoData Value=-32768

(This is purely a metadata thing; it doesn't require changes to the underlying data.)

[zerebubuth]

Is that just a matter of inserting:

tif_ds.SetMetadataItem('AREA_OR_POINT', 'Area')

after the datasource is created?

[mojodna]

Should be (Point though; default is Area).