/usr/include/kml/engine/location_util.h is in libkml-dev 1.3.0-5.
This file is owned by root:root, with mode 0o644.
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//
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// This file contains the declarations of location-related utilities.
// Since the location of a Feature or Geometry is closely tied to KML
// these functions are considered part of the KML Engine and not
// simply pure convenenience.
#ifndef KML_ENGINE_LOCATION_UTIL_H__
#define KML_ENGINE_LOCATION_UTIL_H__
#include "kml/dom.h"
namespace kmlengine {
class Bbox;
// This returns the latitude half way between the north and south and
// the longitude half way between the east and west of the given LatLonBox
// or LatLonAltBox.
void GetCenter(const kmldom::AbstractLatLonBoxPtr& allb,
double* lat, double* lon);
// This returns the n,s,e,w bounds of the given list of coordinates. This
// returns true if the coordinates are not empty. A NULL bbox is ignored.
bool GetCoordinatesBounds(const kmldom::CoordinatesPtr& coordinates,
Bbox* bbox);
// This returns the n,s,e,w bounds of the given Feature. If the Feature is
// a Container this is the bounds of all Features within that Container
// recursively. This returns true if the coordinates are not empty.
// A NULL bbox is ignored.
bool GetFeatureBounds(const kmldom::FeaturePtr& placemark, Bbox* bbox);
// Return the location of the Feature.
bool GetFeatureLatLon(const kmldom::FeaturePtr& placemark,
double* lat, double* lon);
// This returns the bounding box of any Geometry including: Point, LineString,
// LinearRing, Polygon, Model, and MultiGeometry. If the Geometry has no
// location (empty or missing <coordinates>, for example) false is returned.
// A NULL bbox is ignored and does not affect the return value.
bool GetGeometryBounds(const kmldom::GeometryPtr& geometry, Bbox* bbox);
// Return the location of the Geometry.
bool GetGeometryLatLon(const kmldom::GeometryPtr& geometry,
double* lat, double* lon);
// This returns the bounds of the coordinates child of the given element.
// CP can be one of LineString, LinearRing or Point.
template<class CP>
bool GetCoordinatesParentBounds(const CP& cp, Bbox* bbox) {
return cp && cp->has_coordinates() &&
GetCoordinatesBounds(cp->get_coordinates(), bbox);
}
// Return the bounds of the Model.
bool GetModelBounds(const kmldom::ModelPtr& model, Bbox* bbox);
// Return the location of the Model.
bool GetModelLatLon(const kmldom::ModelPtr& model, double* lat, double* lon);
// Return the location of the Placemark.
bool GetPlacemarkLatLon(const kmldom::PlacemarkPtr& placemark,
double* lat, double* lon);
// Return the location of the Point.
bool GetPointLatLon(const kmldom::PointPtr& point, double* lat, double* lon);
} // end namespace kmlengine
#endif // KML_ENGINE_LOCATION_UTIL_H__
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