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nontek
Smarty n00b
Joined: 23 Mar 2007
Posts: 1
Location: Cologne
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 Posted: Sat Mar 24, 2007 8:13 am Post subject: GoogleMapAPI 2.3 class and function drawCircle |
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Hello,
i want to use the following function, but i do not know how to integrate an use this with your nice class. Can anyone help me?
| Code: | function drawCircle(point, radius, color) {
var cColor = color;
var cWidth = 5;
var Cradius = radius;
var d2r = Math.PI/180;
var r2d = 180/Math.PI;
var Clat = (Cradius/6377.83027)*r2d;
var Clng = Clat/Math.cos(point.lat()*d2r);
var Cpoints = [];
for (var i=0; i < 33; i++) {
var theta = Math.PI * (i/16);
var CPlng = point.lng() + (Clng * Math.cos(theta));
var CPlat = point.lat() + (Clat * Math.sin(theta));
var P = new GLatLng(CPlat,CPlng);
newBounds.extend(P);
Cpoints.push(P);
}
map.addOverlay(new GPolyline(Cpoints,cColor,cWidth));
}
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regards,
Matthias |
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miketonks
Smarty n00b
Joined: 02 Jun 2007
Posts: 1
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| Posted: Sat Jun 02, 2007 1:30 pm Post subject: Extended Polylines for GoogleMapAPI |
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Hi there,
I'm working on something similar - as far as I can tell the API doesn't handlt polylines with more than two points. You can extend the class to add your own functions, as I've done here:
[link below]
It's not quite the same, but the principle is there. You probably need to add a function addCircle in a similar way to my locationBar and override the getMap function.
What would be nice is a getMapCustom() function in the API which by default returns nothing but allows us to hook in and append custom code to the getMap function without duplicating the entire function.
Alternatively you could generate the circle points in php as a csv string and use my addPolyLineByCoordsString function.
hope this helps, mike
PS er - it won't let me post url's because I'm a new user. Let's try this...
h t t p :// greenmap [dot] cvs [dot] sourceforge [dot] net/greenmap/greenmap/php/clsGoogleMap.php?revision=1.3&view=markup |
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