本文整理汇总了C#中GeoPoint.getAbsolute方法的典型用法代码示例。如果您正苦于以下问题：C# GeoPoint.getAbsolute方法的具体用法？C# GeoPoint.getAbsolute怎么用？C# GeoPoint.getAbsolute使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GeoPoint的用法示例。
在下文中一共展示了GeoPoint.getAbsolute方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: applyOverlayTexturing
protected void applyOverlayTexturing(osg.Geometry geom, Feature input, FilterEnv env)
{
GeoExtent tex_extent;
if (getRasterOverlayScript() != null)
{
// if there's a raster script for this filter, we're applying textures per-feature:
tex_extent = new GeoExtent(
input.getExtent().getSouthwest().getAbsolute(),
input.getExtent().getNortheast().getAbsolute());
}
else
{
// otherwise prepare the geometry for an overlay texture covering the entire working extent:
tex_extent = env.getExtent();
}
float width = (float)tex_extent.getWidth();
float height = (float)tex_extent.getHeight();
// now visit the verts and calculate texture coordinates for each one.
osg.Vec3Array verts = (osg.Vec3Array)(geom.getVertexArray());
if (verts != null)
{
// if we are dealing with geocentric data, we will need to xform back to a real
// projection in order to determine texture coords:
GeoExtent tex_extent_geo;
if (env.getInputSRS().isGeocentric())
{
tex_extent_geo = new GeoExtent(
tex_extent.getSRS().getGeographicSRS().transform(tex_extent.getSouthwest()),
tex_extent.getSRS().getGeographicSRS().transform(tex_extent.getNortheast()));
}
osg.Vec2Array texcoords = new osg.Vec2Array(verts.size());
for (int j = 0; j < verts.size(); j++)
{
// xform back to raw SRS w.o. ref frame:
GeoPoint vert = new GeoPoint(verts[j], env.getInputSRS());
GeoPoint vert_map = vert.getAbsolute();
float tu, tv;
if (env.getInputSRS().isGeocentric())
{
tex_extent_geo.getSRS().transformInPlace(vert_map);
tu = (vert_map.X - tex_extent_geo.getXMin()) / width;
tv = (vert_map.Y - tex_extent_geo.getYMin()) / height;
}
else
{
tu = (vert_map.X - tex_extent.getXMin()) / width;
tv = (vert_map.Y - tex_extent.getYMin()) / height;
}
(*texcoords)[j].set(tu, tv);
}
geom.setTexCoordArray(0, texcoords);
}
// if we are applying the raster per-feature, do so now.
// TODO: deprecate? will we ever use this versus the BuildNodesFilter overlay? maybe
if (getRasterOverlayScript() != null)
{
ScriptResult r = env.getScriptEngine().run(getRasterOverlayScript(), input, env);
if (r.isValid())
{
RasterResource raster = env.getSession().getResources().getRaster(r.asString());
if (raster != null)
{
Image image = null;
std.stringstream builder;
builder << "rtex_" << input.getOID() << ".jpg"; //TODO: dds with DXT1 compression
osg.StateSet raster_ss = new osg.StateSet();
if (raster.applyToStateSet(raster_ss.get(), tex_extent, getRasterOverlayMaxSize(), out image))
{
image.setFileName(builder.str());
geom.setStateSet(raster_ss.get());
// add this as a skin resource so the compiler can properly localize and deploy it.
env.getResourceCache().addSkin(raster_ss.get());
}
}
}
else
{
env.getReport().error(r.asString());
}
}
}