I'll try to explain all the story briefly, I included a video. So, you can
watch it for a more detailed description of my problem. (
http://www.megavideo.com/?v=165GLEOI)
I'm working in a small town municipality's cadastral department as
developer(I'm the only one :S ), that department have a GIS made with
MapObjects Framework, but the Venezuelan goverment migrates to Free
Software. So, my work here is to make that system wich is used for placement
of structures. I decided to use uDig, GeoServer and Postgis.
I've migrated all *.shp to postgis, and I finish the system. But all I need
is the pyramid.
The previous system used mosaics and pyramid to show the large images of all
the municipality. It has 375 .tif images (95.4 MB, 6668x5001) each of these
images is asociated with a .tfw file with a format like this:
0.12
0
0
-0.12
207600.06
1169999.94
I guess, those files are the tiles, and there is another file (the big one)
is the municipality ortho (421,4MB 16124x9133)
I can't use it in uDig(They're to large to show it, and I need a lot of
memory) , I think I've to do something with those images for display on
uDig. But I don't know what to do.
This is the tiles image info:
# gdalinfo 0104_o.tif
Warning 1: TIFFFetchNormalTag:ASCII value for tag "GeoASCIIParams" does not
end in null byte
Driver: GTiff/GeoTIFF
Files: 0104_o.tif
0104_o.tfw
Size is 6668, 5001
Coordinate System is:
LOCAL_CS["SOCET-SET LSR",
UNIT["metre",1,
AUTHORITY["EPSG","9001"]]]
Origin = (195600.000000000000000,1165200.120000000111759)
Pixel Size = (0.120000000000000,-0.120000000000000)
Metadata:
AREA_OR_POINT=Area
Image Structure Metadata:
INTERLEAVE=PIXEL
Corner Coordinates:
Upper Left ( 195600.000, 1165200.120)
Lower Left ( 195600.000, 1164600.000)
Upper Right ( 196400.160, 1165200.120)
Lower Right ( 196400.160, 1164600.000)
Center ( 196000.080, 1164900.060)
Band 1 Block=6668x1 Type=Byte, ColorInterp=Red
Band 2 Block=6668x1 Type=Byte, ColorInterp=Green
Band 3 Block=6668x1 Type=Byte, ColorInterp=Blue
Honestly, I don't know whether to use a mosaic or a pyramid, but I need to
do it because the department where I work has no budget to outsource. So,
I've to do it by myself.
I think, It would be better if you can tell me which solution would be more
reliable.
Regards,
--
TSU. Amador Cuenca
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