On Nov 11, 9:10 am, "[email protected]" <[email protected]>
wrote:
> On Nov 11, 8:57 am, Adam <[email protected]> wrote:
>
> > That is similar to what I want, but I don't need the directions. These
> > segments are simply parts of a single road.  I'm trying to highlight
> > different blocks of the road within the city.  Some roads may be
> > highlighted up to 20 blocks long while others may only be a single
> > city block.
>
> > Is there a way I could use GDirections, then extract the polyline
> > coordinates that were drawn from GDirections and save that to a
> > variable?  
>
> Yes, if you click on the "get polyline xml" button, that page extracts
> the coordinates required to recreate the line an formats them as the
> xml format I use for displaying polylines.

Here are 2 examples:
the I-5 in california as a normal polyline:
http://www.geocodezip.com/GenericMapBrowser.asp?filename=I5Polyline.xml

the I-5 in california as an encoded polyline:
http://www.geocodezip.com/GenericMapBrowser.asp?filename=I5Polyline_encoded.xml

  -- Larry

>
> > I could then save that to the database and load that line
> > to a map as needed?
>
> Yup.
>
>   -- Larry
>
>
>
>
>
> > On Nov 11, 7:43 am, "[email protected]" <[email protected]>
> > wrote:
>
> > > On Nov 11, 5:06 am, Adam <[email protected]> wrote:
>
> > > > Given 2 intersections, it is possible to have the API draw a
> > > > line on or highlight that section of road between those points?
>
> > > > For example 2nd St and Green Street to 2nd St and Yellow Street.
>
> > > > I can geocode and plot these 2 just fine and draw a straight
> > > > line between them, but will the API attach the points to 2nd
> > > > Street and draw the line on the road around the curves of the
> > > > road automatically?
>
> > > Like 
> > > this?http://www.geocodezip.com/example_geo2.asp?addr1=2nd%20St%20and%20Gre...
>
> > > > I would also like to highlight multiple unattached segments on a
> > > > map at one time
>
> > > > So,
> > > > 2nd St and Green St to 2nd St and Yellow St.
> > > > 4th and Blue St to 4th and Red St
> > > > etc.
>
> > > That is a little more technically challenging, GDirections is
> > > asynchronous and subject to rate limits and quotas.  If all the
> > > segments are known ahead of time you could save them, then display
> > > them on the map when the map loads without using the GDirections
> > > service.
>
> > >   -- Larry- Hide quoted text -
>
> > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -

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