Hi,
I'm investigating Geoserver's KML capabilities.
For Google Earth and KML, it seems that I have to use KML MultiGeometry with a
Point and Polygon/LineString, to point a icon and name-label at a
polygon/linestring in
the GE 3D viewer.
I want to implement this dynamic in Geoserver so the icon is always visible
and readable when zooming in/out, panning, etc. Google Earth doesn't seems to
handle this.
I hope someone can give me a hint about the classes in the API and some
sample code (for example how this is done for PNG).
Any hints are appreciated.
Thanks
cheers
Jorn
KML sample:
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.0">
<Placemark>
<name>Linestring with icon and name</name>
<LookAt>
<longitude>-77.15580139178142</longitude>
<latitude>38.970832443487</latitude>
<range>742.0552506670548</range>
<tilt>48.09646074797388</tilt>
<heading>59.88865561738225</heading>
</LookAt>
<MultiGeometry>
<LineString>
<coordinates>-77.15788457660967,38.97253259892824,0
-78,39,0
</coordinates>
</LineString>
<Point>
<coordinates>-77.15788457660967,38.97253259892824,100</coordinates>
</Point>
</MultiGeometry>
</Placemark>
</kml>
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This would be a great contribution, just create patches for the improvements you make. I think the class to look at for inspiration is: http://svn.geotools.org/geotools/branches/2.1.x/module/main/src/org/geotools/renderer/lite/LiteRenderer.java
This is what does the rendering for png, jpeg, and gif, turns the styles in to the output elements. I believe the KML output was inspired by it. James may be able to tell you a bit more, as he was the one who started it.
best regards,
Chris
Jørn Vegard Røsnes wrote:
Hi,
I'm investigating Geoserver's KML capabilities.
For Google Earth and KML, it seems that I have to use KML MultiGeometry with a Point and Polygon/LineString, to point a icon and name-label at a polygon/linestring in
the GE 3D viewer.
I want to implement this dynamic in Geoserver so the icon is always visible and readable when zooming in/out, panning, etc. Google Earth doesn't seems to handle this.
I hope someone can give me a hint about the classes in the API and some
sample code (for example how this is done for PNG).
Any hints are appreciated.
Thanks
cheers
Jorn
KML sample:
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.0">
<Placemark>
<name>Linestring with icon and name</name>
<LookAt>
<longitude>-77.15580139178142</longitude>
<latitude>38.970832443487</latitude>
<range>742.0552506670548</range>
<tilt>48.09646074797388</tilt>
<heading>59.88865561738225</heading>
</LookAt>
<MultiGeometry>
<LineString>
<coordinates>-77.15788457660967,38.97253259892824,0
-78,39,0
</coordinates>
</LineString>
<Point>
<coordinates>-77.15788457660967,38.97253259892824,100</coordinates>
</Point>
</MultiGeometry>
</Placemark>
</kml>
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--
Chris Holmes
The Open Planning Project
thoughts at: http://cholmes.wordpress.com