[Benchmarking] split contour files are different

[Jason Birch]

Is this getting into the territory of optimizing the data for specific
platforms?  For MapGuide to serve the data most efficiently it
wouldn't be in separate files at all, it would be in a single SQLite
file.

Jason

On 2010-07-26, Jeff McKenna <jmckenna at gatewaygeomatics.com> wrote:
> Iván,
>
> In order to display the 8 contour shapefiles efficiently in MapServer, a
> tile index file must be generated.  MapServer requires the files in a
> tile index to have the exact same attribute definitions and they must me
> in the same order.
>
> In our full vector dataset this is not the case: contour-5, contour-6,
> contour-7 files contain different fields.  Here is a sample:
>
> ***
> contour-4.dbf
>
>
>
> ID: Real (31.15)
> ELEMENTO: Real (31.15)
> ID_SIMPLE: Real (31.15)
> MODIFICADO: Real (31.15)
> ID_HOJA: Real (31.15)
> ID_CODE: String (6.0)
> METADATO: Real (31.15)
> F_ALTA: String (10.0)
> F_BAJA: String (10.0)
> ETIQUETA: String (254.0)
> ETIQUETAS: Real (31.15)
> ETIQUETA1: String (10.0)
> SIMPLE: String (250.0)
> ETIQUETA0: Real (31.15)
> PROYECTO: String (3.0)
> LONGITUD: Real (31.15)
> PERIMETRO: Real (31.15)
> SUPERFICIE: Real (31.15)
> TIPO_0201: String (6.0)
> CATEG_0201: String (6.0)
> ORIGE_0201: String (6.0)
> COTA_0201: Real (31.15)
> NNECCCPP: String (8.0)
> ORIGEN_Z: Real (31.15)
>
> contour-5.dbf
>
> ID: Real (31.15)
> ID_SIMPLE: Real (31.15)
> MODIFICADO: Real (31.15)
> ID_HOJA: Real (11.0)
> ID_CODE: String (6.0)
> ID_MET: Real (31.15)
> F_ALTA: String (10.0)
> F_BAJA: String (10.0)
> ETIQUETA: String (254.0)
> ID_COD_ETI: String (10.0)
> PROYECTO: String (3.0)
> TIPO_0201: String (2.0)
> CATEG_0201: String (2.0)
> ORIGE_0201: String (2.0)
> COTA_0201: Real (31.15)
> NNECCCPP: String (8.0)
> ORIGEN_Z: Real (31.15)
>
>
> The contour files must be re-processed so that they contain the same
> attributes, and then provided to all benchmarking teams.
>
> -jeff
>
>
>
>
>
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