[gdal-dev] problem on function OGR_FD_GetName

2010-06-17 Thread randyqiu
Hi list,
I reinstalled my OS (Ubuntu10.04) recently and now the OGR_FD_GetName
function results in layername with point,Line,Area,Meta,but I
believe this function could get a layer's object name but not its
geometry type.
I'm not sure the problem exist in environment variable or not and, if
so, what are they?
Best regards
Randy

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Re: [gdal-dev] problem on function OGR_FD_GetName

2010-06-17 Thread randyqiu
Hi Chaitanya,
Thanks for your quick response!
I use this function in parse a s57 file(*.000). In this format file,I
think the layer-name in OGR should be like this:
berths,bridge,canals...
which to some extend,is as same as a feature-name. But now I'm not sure
whether I understand this concept right or not? 
In my application,OGR_FD_GetName()returns:
DSID
Point
Line
Area
Meta

I'd like to know whether this function works fine or not? If yes, how
should I get a feature's name?
Thanks a lot!
Best regards,
Randy
 OGR_FD_GetName() returns the name of the feature definition set during
 it's creation. It doesn't have to be unique and doesn't represent the
 object type or geometry type. It is not affected by any environment
 variables.
 
 On Thu, Jun 17, 2010 at 11:53 AM, randyqiu randyqi...@hotmail.com
 wrote:
 Hi list,
 I reinstalled my OS (Ubuntu10.04) recently and now the
 OGR_FD_GetName
 function results in layername with
 point,Line,Area,Meta,but I
 believe this function could get a layer's object name but not
 its
 geometry type.
 I'm not sure the problem exist in environment variable or not
 and, if
 so, what are they?
 Best regards
 Randy
 
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 -- 
 Best regards,
 Chaitanya kumar CH.
 /tʃaɪθənjə/ /kʊmɑr/ 
 +91-9494447584
 17.2416N 80.1426E


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Re: [gdal-dev] display picture

2009-11-09 Thread Randyqiu
在 2009-11-09一的 09:39 +0800,weixj2003ld写道:
 Hi,
 Thank you for your answer.
 I want to know how to display the picture file which GDAL
 generates,that is,Does GDAL only generate RASTER or VECTOR file and
 not display it? 
 Kind regards. 
Hi Wei,
You are right.But if you want to display it,do something with openev.
Best regards,
Randy
 
 
 
 
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[gdal-dev] help:About Getting StyleString

2009-08-28 Thread Randyqiu
Hi,

  I have been in trouble with getting S_57 format(.000) files’
“styleString”. 

 According to the article named “OGR - Feature Style
http://www.gdal.org/ogr/ogr_feature_style.html  Specification”, I wanted
to get some information about “drawing tools” such as color、pen width by
using some functions as follows:

 OGRLayer::GetStyleTable ()、OGRFeature::GetStyleString()、OGRDataSource::
GetStyleTable()

But they all returned nothing(0x00) which means these functions were
useless and didn’t get what I want .

Now, can you tell me the reason? Is it because I used the wrong function or
anything else? Can you give me an instance about getting the “StyleString”
or “drawing tools” information?

 Thanks, any suggestion or help will be appreciated!!!

 

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