[mapserver-users] ESRI binary grids RRD files ?

Wed Oct 20 04:33:36 EDT 2010

ok, using gdalinfo it looks like my rasters have some problems... I'll
follow up in gdal mailing list..

thanks

gis at mapserver:~$ gdalinfo data/ie/rasters/ie_t02_q200/
Driver: AIG/Arc/Info Binary Grid
Files: data/ie/rasters/ie_t02_q200/
       data/ie/rasters/ie_t02_q200/z001014x.adf
       data/ie/rasters/ie_t02_q200/prj.adf
       data/ie/rasters/ie_t02_q200/z001002.adf
       data/ie/rasters/ie_t02_q200/z001003.adf
       data/ie/rasters/ie_t02_q200/z001011x.adf
       data/ie/rasters/ie_t02_q200/z001008.adf
       data/ie/rasters/ie_t02_q200/z001004.adf
       data/ie/rasters/ie_t02_q200/dblbnd.adf
       data/ie/rasters/ie_t02_q200/w001001x.adf
       data/ie/rasters/ie_t02_q200/z001009x.adf
       data/ie/rasters/ie_t02_q200/z001012x.adf
       data/ie/rasters/ie_t02_q200/w001001.adf
       data/ie/rasters/ie_t02_q200/z001003x.adf
       data/ie/rasters/ie_t02_q200/sta.adf
       data/ie/rasters/ie_t02_q200/z001015.adf
       data/ie/rasters/ie_t02_q200/z001005.adf
       data/ie/rasters/ie_t02_q200/z001013x.adf
       data/ie/rasters/ie_t02_q200/z001010.adf
       data/ie/rasters/ie_t02_q200/w001000.adf
       data/ie/rasters/ie_t02_q200/z001006.adf
       data/ie/rasters/ie_t02_q200/z001014.adf
       data/ie/rasters/ie_t02_q200/hdr.adf
       data/ie/rasters/ie_t02_q200/z001001.adf
       data/ie/rasters/ie_t02_q200/z001005x.adf
       data/ie/rasters/ie_t02_q200/z001010x.adf
       data/ie/rasters/ie_t02_q200/z001004x.adf
       data/ie/rasters/ie_t02_q200/w001000x.adf
       data/ie/rasters/ie_t02_q200/z001013.adf
       data/ie/rasters/ie_t02_q200/z001015x.adf
       data/ie/rasters/ie_t02_q200/z001001x.adf
       data/ie/rasters/ie_t02_q200/z001007x.adf
       data/ie/rasters/ie_t02_q200/z001006x.adf
       data/ie/rasters/ie_t02_q200/z001011.adf
       data/ie/rasters/ie_t02_q200/z001007.adf
       data/ie/rasters/ie_t02_q200/z001008x.adf
       data/ie/rasters/ie_t02_q200/z001002x.adf
       data/ie/rasters/ie_t02_q200/z001009.adf
       data/ie/rasters/ie_t02_q200/z001012.adf
Size is 64402, 89106
Coordinate System is:
PROJCS["unnamed",
    GEOGCS["WGS 84",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,298.257223563,
                AUTHORITY["EPSG","7030"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6326"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9108"]],
        AUTHORITY["EPSG","4326"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",53.5],
    PARAMETER["central_meridian",-8],
    PARAMETER["scale_factor",1.000035],
    PARAMETER["false_easting",200000],
    PARAMETER["false_northing",250000],
    UNIT["METERS",1]]
Origin = (15390.000000000000000,461520.000000000000000)
Pixel Size = (5.000000000000000,-5.000000000000000)
Corner Coordinates:
Upper Left  (   15390.000,  461520.000) ( 10d54'41.98"W, 55d21'55.72"N)
Lower Left  (   15390.000,   15990.000) ( 10d39'3.41"W, 51d22'1.58"N)
Upper Right (  337400.000,  461520.000) (  5d49'56.05"W, 55d22'51.38"N)
Lower Right (  337400.000,   15990.000) (  6d 1'35.29"W, 51d22'49.73"N)
Center      (  176395.000,  238755.000) (  8d21'17.49"W, 53d23'54.38"N)
Band 1 Block=512x4 Type=Float32, ColorInterp=Undefined
  Min=1.000 Max=4.000
  NoData Value=-3.4028234663852886e+38
ERROR 3: Attempt to read past EOF in
data/ie/rasters/ie_t02_q200//../info/arc.dir.
ERROR 4: Failed to open table .VAT

On Wed, Oct 20, 2010 at 9:13 AM, Sebastian E. Ovide <
sebastian.ovide at gmail.com> wrote:

> Frank,
>
> I've left those RRD and I suspect that for some reason the pyramids are not
> read... In fact the performance is very good for zoomed in views (street
> level)... but it is very slow for zoom out views (city level)...  and I can
> see the IO working very hard...
>
> is there any way to see if MapServer/gdal is reading the pyramids correctly
> ?
>
> thanks
>
>
> On Tue, Oct 19, 2010 at 2:08 PM, Frank Warmerdam <warmerdam at pobox.com>wrote:
>
>> Sebastian E. Ovide wrote:
>>
>>> Hi Guys,
>>>
>>> ESRI Binary grids contains a bunch of adf files and rrd files that I
>>> believe contains pyramids.
>>> Does MapServer needs those rrd files ? the question is because they are
>>> very big !
>>>
>>
>> Sebastian,
>>
>> Yes, MapServer will take advantage of .rrd overviews for ESRI binary
>> grids.
>> You can delete them but in some cases performance will suffer.
>>
>> Best regards,
>> --
>>
>> ---------------------------------------+--------------------------------------
>> I set the clouds in motion - turn up   | Frank Warmerdam,
>> warmerdam at pobox.com
>> light and sound - activate the windows | http://pobox.com/~warmerdam
>> and watch the world go round - Rush    | Geospatial Programmer for Rent
>>
>>
>
>
> --
> Sebastian E. Ovide
>
>
>
>
>

-- 
Sebastian E. Ovide
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