Aneesh, Actually, I just reviewed the driver code. It's not documented.
I don't know enough to suggest any format for efficiently storing style info. But you can start with MapInfo, KML and DXF. On Thu, Jan 5, 2012 at 6:06 PM, Aneesh Muralidharan <symona...@gmail.com>wrote: > Chaithanya, > > Ahhh that explains it ! Thanks a lot. By the way where do I find out these > information (like DXF driver doesn't support style table), as in where is > it documented ? > > And can you suggest me some other vector format that OGR loads by default, > which has style information ? I was using SHP till now, but then it doesn't > have the style information at all right. Also it will be great if you can > point me to some place where I can find some free samples as well. > > > On Thu, Jan 5, 2012 at 5:51 PM, Chaitanya kumar CH <chaitanya...@gmail.com > > wrote: > >> Aneesh, >> >> I don't know if the DXF format maintains a default style or a style table >> but OGR's DXF driver doesn't support layer's style table. >> >> >> On Thu, Jan 5, 2012 at 5:30 PM, Aneesh Muralidharan >> <symona...@gmail.com>wrote: >> >>> Hi Chaithanya, >>> >>> Thanks for the quick reply >>> >>> About the style table, I did try to use the layer style table, but I'm >>> getting an empty table :( >>> >>> By the way I'm trying to read a simple DXF file. >>> >>> On Thu, Jan 5, 2012 at 4:57 PM, Chaitanya kumar CH < >>> chaitanya...@gmail.com> wrote: >>> >>>> A layer's style table can be accessed using OGRLayer::GetStyleTable() >>>> [1]. >>>> >>>> [1]: http://www.gdal.org/ogr/classOGRLayer.html >>>> >>>> >>>> On Thu, Jan 5, 2012 at 4:55 PM, Chaitanya kumar CH < >>>> chaitanya...@gmail.com> wrote: >>>> >>>>> Aneesh, >>>>> >>>>> A layer can have a style table that stores a set of styles that can be >>>>> referred by individual features. Usually the style table has a default >>>>> style. >>>>> >>>>> Its usage is explained in the same page as the OGR Feature Style >>>>> Specification. >>>>> >>>>> On Thu, Jan 5, 2012 at 3:45 PM, Aneesh Muralidharan < >>>>> symona...@gmail.com> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> I'm new to OGR/GDAL and I'm trying to read style information of >>>>>> vectors using the OGR C++ API. I followed the documentation available >>>>>> here >>>>>> http://www.gdal.org/ogr/ogr_feature_style.html. I have managed to >>>>>> get the pen information of the glyphs' in vector file successfully. >>>>>> >>>>>> The problem is that, it is unclear that from where can I figure out >>>>>> the layer style specification. i.e the global style for the layer ( >>>>>> assuming each glyph's pen can be either one of its own or dependent on >>>>>> the >>>>>> layer ). The OGRFeatureDefn for the OGRLayer doesn't seem to have this >>>>>> information. >>>>>> >>>>>> Also is there any detailed explanation of the API somewhere with some >>>>>> sample code snippets ? (for the feature-style api. For read/write I know >>>>>> there is http://www.gdal.org/ogr/ogr_apitut.html) >>>>>> >>>>>> Hoping for a quick response >>>>>> >>>>>> Thanks and regards, >>>>>> Aneesh Muralidharan >>>>>> >>>>>> _______________________________________________ >>>>>> gdal-dev mailing list >>>>>> gdal-dev@lists.osgeo.org >>>>>> http://lists.osgeo.org/mailman/listinfo/gdal-dev >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Best regards, >>>>> Chaitanya kumar CH. >>>>> >>>>> +91-9494447584 >>>>> 17.2416N 80.1426E >>>>> >>>> >>>> >>>> >>>> -- >>>> Best regards, >>>> Chaitanya kumar CH. >>>> >>>> +91-9494447584 >>>> 17.2416N 80.1426E >>>> >>> >>> >> >> >> -- >> Best regards, >> Chaitanya kumar CH. >> >> +91-9494447584 >> 17.2416N 80.1426E >> > > -- Best regards, Chaitanya kumar CH. +91-9494447584 17.2416N 80.1426E
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