/usr/include/kml/base/vec3.h is in libkml-dev 1.3.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// 3. Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This file contains the Vec3 class.
#ifndef KML_BASE_VEC3_H__
#define KML_BASE_VEC3_H__
namespace kmlbase {
// A Vec3 represents a 2d or 3d point. A Vec3 always has at least longitude
// and latitude. Altitude defaults to 0 and has_altitude() returns false if
// altitude was not set.
class Vec3 {
public:
// Create an empty Vec3.
Vec3() {
lon_ = lat_ = 0.0;
clear_altitude();
}
// Create a 2d Vec3.
Vec3(double longitude, double latitude) {
lon_ = longitude;
lat_ = latitude;
clear_altitude();
}
// Create a 3d Vec3.
Vec3(double longitude, double latitude, double altitude) {
lon_ = longitude;
lat_ = latitude;
set_altitude(altitude);
}
void set(int i, double val) {
if (i == 0) {
lon_ = val;
} else if (i == 1) {
lat_ = val;
} else if (i == 2) {
set_altitude(val);
} else {
// We should notify about incorrect usage.
}
}
double get_longitude() const {
return lon_;
}
double get_latitude() const {
return lat_;
}
bool has_altitude() const {
return has_altitude_;
}
double get_altitude() const {
return alt_;
}
void set_altitude(double altitude) {
alt_ = altitude;
has_altitude_ = true;
}
void clear_altitude() {
alt_ = 0;
has_altitude_ = false;
}
// This class does double-duty as the representation of both gx:coord and
// gx:angles. In the future we might need to split these out as separate
// classes. For instance, the initial specifiction of these new elements
// is unclear on how too few or too many tuples should be handled. For now
// we treat them exactly as the old-style coordinates.
double get_heading() const { return get_longitude(); }
double get_pitch() const { return get_latitude(); }
double get_roll() const { return get_altitude(); }
// Operator overrides.
bool operator==(const Vec3& vec3) const {
return lon_ == vec3.get_longitude() &&
lat_ == vec3.get_latitude() &&
alt_ == vec3.get_altitude();
}
private:
double lon_, lat_, alt_;
bool has_altitude_;
};
} // namespace kmlbase
#endif // KML_BASE_VEC3_H__
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