Re: 答复: Re: [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
Sat Sep 12 00:46:36 EDT 2009
In s-57 the features are added to a layer named after the shortname of
the feature's class. These short names can be translated to more
meaningful names using the s-57 catalogues. Refer to
http://gdal.org/ogr/drv_s57.html for more details.
2009/9/12 Randy <randyqiuxy at hotmail.com>:
> Chaitanya kumar CH,
> Thanks a lot!
> Yes, I know I should get other informaion from OGRLayer、OGRFeature、etc.
> But can you tell me which functions can answer my two questions?
> 发件人: Chaitanya kumar CH [mailto:chaitanya.ch at gmail.com]
> 发送时间: 2009年9月11日 23:40
> 收件人: Randy
> 抄送: GDAL/OGR mailing list
> 主题: [?? Probable Spam] Re: [gdal-dev] which function can fetch some
> supplementary(but necessary) information of geometry from s-57 file?
> 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 how
>> 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 such
>> 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"、"the polygon indicates Harbor
>> 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,
>> gdal-dev mailing list
>> gdal-dev at lists.osgeo.org
> Best regards,
> Chaitanya kumar CH.
Chaitanya kumar CH.
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