[gdal-dev] which function can fetch some supplementary(but necessary) information of geometry from s-57 file?

Chaitanya kumar CH chaitanya.ch at gmail.com
Fri Sep 11 11:39:37 EDT 2009


OGRPoint is a geometry, which is stored as a part of a feature in a
layer of the dataset. Any other information about the geometry is
usually acquired from the OGRLayer and other fields in the OGRFeature.
Hope this helps.

2009/9/11 Randy <randyqiuxy at hotmail.com>:
> Hi all,
> 1.       For instance, as respect to "point" in s-57 files, I can get its
> position with function "GetX" and "GetY" in OGR. However, I don't know ho=
> to get other information about this "point" .  I think at least the point
> should tell me which symbol was placed in this position. I don't find suc=
> function in class "OGRPoint", then does such function exist and if the
> answer is yes, which one is it?
> 2.       As respect to a "line" or "polygon", I assume it has information
> like " the line indicates depth contour"=A1=A2"the polygon indicates Harb=
> area"... Then, I can draw them with appropriate color according to these
> information. Which function can tell me this?
> Thanks, your answer will be appreciated!!
> Best regards,
> Randy
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Best regards,
Chaitanya kumar CH.

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