Re: [OpenMap Users] Is OpenMap the right tool for my project?

From: Don Dietrick <dietrick_at_bbn.com>
Date: Wed, 23 May 2007 11:27:37 -0400

Hi Redd,

Looks like your coordinates are lon, lat instead of lat, lon.


- Don

On May 23, 2007, at 11:19 AM, Redd Murphy wrote:

>
> Don,
>
> Thank you very much for your help. I apologize if I'm a little slow
> on this,
> but I am still having trouble getting this to work. I have tried to
> isolate
> the portion of the code that deals with projection and contains()
> like this:
>
> float[] f = {141, 17, 148, 17, 148, 10, 141, 10, 141, 17};
> OMPoly omp = new OMPoly(f, OMGraphic.DECIMAL_DEGREES,
> OMGraphic.LINETYPE_STRAIGHT);
> LatLonPoint pt = new LatLonPoint(145, 12);
> Mercator merc = new Mercator(new LatLonPoint(0f,0f), 100000000f,
> 600,600);
> omp.generate(merc);
> Point loc = merc.forward(pt);
> Shape s = omp.getShape();
>
> System.out.println("s.contains(loc):"+s.contains(loc));
>
> In this case I'm trying to create a polygon with 4 points between
> 141 and
> 148 East, and 10 and 17 North. This should contain the lat/lon
> 145, 12.
> But the shape.contains() still returns false. Can you see what I'm
> doing
> wrong?
>
> Thanks again for your help.
>
> Redd
>
> --
> View this message in context: http://www.nabble.com/Is-OpenMap-the-
> right-tool-for-my-project--tf3779655.html#a10766078
> Sent from the OpenMap mailing list archive at Nabble.com.
>
> --
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Don Dietrick, dietrick_at_bbn.com
BBN Technologies, Cambridge, MA
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


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Received on Wed May 23 2007 - 11:27:52 EDT

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