Re: Re: Re: Re: [gdal-dev] the format of satellite photo file

2009-12-29 Thread Chaitanya kumar CH
Wei, In that case you may also want to consider vectorisation tools/algorithms. GDAL has some of them. Here is a starting point for your search. http://opensourcegis.org/ http://en.wikipedia.org/wiki/List_of_GIS_software On Tue, Dec 29, 2009 at 8:55 AM, weixj2003ld wrote: > Hi, > Thank you for

Re: Re: Re: [gdal-dev] the format of satellite photo file

2009-12-29 Thread Chaitanya kumar CH
Wei, Can you give some explanation on what exactly you mean by 3D view. Is it enough to show the elevations on a 2D image or do you want to display a 3D with changeable perspective? Elevation display on a 2D image is straight forward. 3D modelling is more involved. On Tue, Dec 29, 2009 at 8:19 A

Re: [gdal-dev] the format of satellite photo file

2009-12-28 Thread Chaitanya kumar CH
Wei, 2009/12/28 weixj2003ld : > Hi, > 1.I get a satellite photo file,and its extention is .tif,and how get the > (x,y,z) and the value of each poiont? tif is the extension for TIFF file format. You may be able to view the file in a normal image viewer. But you should be able to to view the coordin

[gdal-dev] the format of satellite photo file

2009-12-28 Thread weixj2003ld
Hi, 1.I get a satellite photo file,and its extention is .tif,and how get the (x,y,z) and the value of each poiont? 2.Could you tell me the article which introduces the format of satellite photo file in detail? 3.Is tif the only format of satellite photo file? Best regards. Wei __