[Tagging] Race track

John Smith deltafoxtrot256 at gmail.com
Mon Feb 1 01:26:18 GMT 2010


On 1 February 2010 06:26, Roy Wallace <waldo000000 at gmail.com> wrote:
> On Mon, Feb 1, 2010 at 3:13 AM, John Smith <deltafoxtrot256 at gmail.com> wrote:
>>
>> ... Obviously if
>> someone wants to spend a lot of time areas would be more accurate, but
>> in that case it might as well be left as a raster image.
>
> No, because with a raster image, you can't:
>
> 1) route to/from an object within the image
> 2) calculate the area of an object within the image
> 3) calculate the centerline of an object within the image
> 4) TAG AN OBJECT within a raster image (as it has no boundaries).
> etc etc etc.

Of course not, but you can use vector objects to describe information
in the raster ones, similar to what Nearmap.com does on their website
funnily enough.




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