Is there a way to overlay a point sequence using an external xml file
similar to markers? I'm trying to overlay the boundary for a national park
(Google rejected my request to add it to the base map), and instead of using
a sequence from the 1914 boundary, below:
// Set 1914 NP Boundary
var polyline =new GPolyline([
new GLatLng(46.9961428642273, -121.9161987304688),
new GLatLng(46.9968271255493, -121.8451023101807),
--- skipped points for brevity --
new GLatLng(46.9072866439819, -121.9161987304688),
new GLatLng(46.9961428642273, -121.9161987304688)
],"#ff0000", 1);
map.addOverlay(polyline);
I want to read in the 1971 boundary which has 262 points. I tried variations
of this:
// Set 1971 NP Boundary
GDownloadUrl("waterfalls25.xml", function (doc) {
var xmlDoc = GXml.parse(doc);
var markers = xmlDoc.documentElement.getElementsByTagName("marker");
for (var i = 0; i < markers.length; i++) {
var lat = markers[i].getAttribute("lat");
var lng = markers[i].getAttribute("lng");
var polyline =new GPolyline([
new GLatLng(lat, lng)
],"#0000ff", 1);
map.addOverlay(polyline);
} // Close for
}); // Close Download
which hasn't work. The points are read (checked using point markers) but the
line doesn't appear. I have 25+ maps to add this block and something like
this seems easier with a common file which I can edit to globally fix all
the maps than ~265 lines of code for the code and points. If some can tell
me if polyline doesn't allow this or point me at examples I'd be grateful.
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