/usr/include/kml/engine/feature_view.h is in libkml-dev 1.3.0-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | // Copyright 2009, Google Inc. All rights reserved.
//
// 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 declaration of the ComputeFeatureLookAt function.
#ifndef KML_ENGINE_FEATURE_VIEW_H__
#define KML_ENGINE_FEATURE_VIEW_H__
#include "kml/dom/abstractview.h"
#include "kml/dom/feature.h"
namespace kmlengine {
class Bbox;
// Returns a <LookAt> element computed from the spatial extents of a feature.
// The LookAt's altitude, heading and tilt are set to 0.0, and the altitudeMode
// is set to relativeToGroud. The range is computed such that the feature will
// be within a viewport with a field of view of 60 deg and is clamped to a
// minimum of 1,000 meters. Returns NULL if the feature has no specified
// AbstractView and none can be computed.
kmldom::LookAtPtr ComputeFeatureLookAt(const kmldom::FeaturePtr& feature);
// Returns a <LookAt> element computed from the spatial extents of a Bbox.
// See ComputeFeatureLookAt for the details of how the LookAt is created.
kmldom::LookAtPtr ComputeBboxLookAt(const Bbox& bbox);
} // end namespace kmlengine
#endif // KML_ENGINE_FEATURE_VIEW_H__
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