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// terrainsampler.cxx --
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//
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// Written by Torsten Dreyer, started July 2010
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// Based on local weather implementation in nasal from
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// Thorsten Renk
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//
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// Copyright (C) 2010 Curtis Olson
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <Main/fg_props.hxx>
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#include <simgear/math/sg_random.h>
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#include <Scenery/scenery.hxx>
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#include <deque>
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#include "terrainsampler.hxx"
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using simgear::PropertyList;
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#include "tiedpropertylist.hxx"
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namespace Environment {
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/**
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* @brief Class for presampling the terrain roughness
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*/
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class AreaSampler : public SGSubsystem {
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public:
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AreaSampler( SGPropertyNode_ptr rootNode );
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virtual ~AreaSampler();
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void update( double dt );
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void bind();
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void unbind();
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double getOrientationDeg() const { return _orientation_rad * SG_RADIANS_TO_DEGREES; }
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void setOrientationDeg( double value ) { _orientation_rad = value * SG_DEGREES_TO_RADIANS; }
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int getElevationHistogramStep() const { return _elevationHistogramStep; }
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void setElevationHistograpStep( int value ) {
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_elevationHistogramStep = value > 0 ? value : 500;
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_elevationHistogramCount = _elevationHistogramMax / _elevationHistogramStep;
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}
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int getElevationHistogramMax() const { return _elevationHistogramMax; }
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void setElevationHistograpMax( int value ) {
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_elevationHistogramMax = value > 0 ? value : 10000;
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_elevationHistogramCount = _elevationHistogramMax / _elevationHistogramStep;
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}
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int getElevationHistogramCount() const { return _elevationHistogramCount; }
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private:
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void analyse();
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SGPropertyNode_ptr _rootNode;
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bool _enabled;
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bool _useAircraftPosition;
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double _latitude_deg;
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double _longitude_deg;
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double _orientation_rad;
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int _radius;
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int _samples_per_frame;
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int _max_samples; // keep xx samples in queue for analysis
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int _analyze_every; // Run analysis every xx samples
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int _elevationHistogramMax;
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int _elevationHistogramStep;
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int _elevationHistogramCount;
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double _altOffset;
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double _altMedian;
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double _altMin;
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double _altLayered;
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double _altMean;
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SGPropertyNode_ptr _positionLatitudeNode;
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SGPropertyNode_ptr _positionLongitudeNode;
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deque<double> elevations;
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TiedPropertyList _tiedProperties;
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};
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AreaSampler::AreaSampler( SGPropertyNode_ptr rootNode ) :
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_rootNode(rootNode),
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_enabled(true),
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_useAircraftPosition(false),
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_latitude_deg(0.0),
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_longitude_deg(0.0),
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_orientation_rad(0.0),
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_radius(40000.0),
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_samples_per_frame(5),
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_max_samples(1000),
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_analyze_every(200),
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_elevationHistogramMax(10000),
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_elevationHistogramStep(500),
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_elevationHistogramCount(_elevationHistogramMax/_elevationHistogramStep),
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_altOffset(0),
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_altMedian(0),
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_altMin(0),
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_altLayered(0),
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_altMean(0)
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{
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_positionLatitudeNode = fgGetNode( "/position/latitude-deg", true );
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_positionLongitudeNode = fgGetNode( "/position/longitude-deg", true );
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}
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AreaSampler::~AreaSampler()
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{
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}
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void AreaSampler::bind()
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{
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_tiedProperties.setRoot( _rootNode );
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_tiedProperties.Tie( "enabled", &_enabled );
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_tiedProperties.setRoot( _rootNode->getNode( "input", true ) );
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_tiedProperties.Tie( "use-aircraft-position", &_useAircraftPosition );
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_tiedProperties.Tie( "latitude-deg", &_latitude_deg );
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_tiedProperties.Tie( "latitude-deg", &_latitude_deg );
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_tiedProperties.Tie( "longitude-deg", &_longitude_deg );
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_tiedProperties.Tie( "orientation-deg", this, &AreaSampler::getOrientationDeg, &AreaSampler::setOrientationDeg );
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_tiedProperties.Tie( "radius-m", &_radius );
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_tiedProperties.Tie( "max-samples-per-frame", &_samples_per_frame );
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_tiedProperties.Tie( "max-samples", &_max_samples );
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_tiedProperties.Tie( "analyse-every", &_analyze_every );
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_tiedProperties.Tie( "elevation-histogram-max-ft", this, &AreaSampler::getElevationHistogramMax, &AreaSampler::setElevationHistograpMax );
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_tiedProperties.Tie( "elevation-histogram-step-ft", this, &AreaSampler::getElevationHistogramStep, &AreaSampler::setElevationHistograpStep );
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_tiedProperties.Tie( "elevation-histogram-count", this, &AreaSampler::getElevationHistogramCount );
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_tiedProperties.setRoot( _rootNode->getNode( "output", true ) );
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_tiedProperties.Tie( "alt-offset-ft", &_altOffset );
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_tiedProperties.Tie( "alt-median-ft", &_altMedian );
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_tiedProperties.Tie( "alt-min-ft", &_altMin );
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_tiedProperties.Tie( "alt-layered-ft", &_altLayered );
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_tiedProperties.Tie( "alt-mean-ft", &_altMean );
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}
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void AreaSampler::unbind()
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{
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_tiedProperties.Untie();
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}
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void AreaSampler::update( double dt )
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{
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if( !(_enabled && dt > SGLimitsd::min()) )
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return;
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if( _useAircraftPosition ) {
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_longitude_deg = _positionLongitudeNode->getDoubleValue();
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_latitude_deg = _positionLatitudeNode->getDoubleValue();
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}
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SGGeoc center = SGGeoc::fromGeod( SGGeod::fromDegM( _longitude_deg, _latitude_deg, SG_MAX_ELEVATION_M ) );
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FGScenery * scenery = globals->get_scenery();
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for( int i = 0;
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i < _samples_per_frame;
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i++ ) {
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double distance = sg_random() * _radius;
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double course = sg_random() * 2.0 * SG_PI;
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SGGeod probe = SGGeod::fromGeoc(center.advanceRadM( course, distance ));
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double elevation_m = 0.0;
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if (scenery->get_elevation_m( probe, elevation_m, NULL ))
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elevations.push_front(elevation_m *= SG_METER_TO_FEET);
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if( elevations.size() >= (deque<unsigned>::size_type)_max_samples ) {
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analyse();
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elevations.resize( _max_samples - _analyze_every );
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}
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}
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}
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void AreaSampler::analyse()
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{
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double sum;
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vector<int> histogram(_elevationHistogramCount,0);
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for( deque<double>::size_type i = 0; i < elevations.size(); i++ ) {
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int idx = SGMisc<int>::clip( (int)(elevations[i]/_elevationHistogramStep), 0, histogram.size()-1 );
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histogram[idx]++;
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}
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_altMedian = 0.0;
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sum = 0.0;
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for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
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sum += histogram[i];
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if( sum > 0.5 * elevations.size() ) {
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_altMedian = i * _elevationHistogramStep;
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break;
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}
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}
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_altOffset = 0.0;
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sum = 0.0;
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for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
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sum += histogram[i];
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if( sum > 0.3 * elevations.size() ) {
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_altOffset = i * _elevationHistogramStep;
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break;
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}
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}
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_altMean = 0.0;
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for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
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_altMean += histogram[i] * i;
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}
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_altMean *= _elevationHistogramStep;
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if( elevations.size() != 0.0 ) _altMean /= elevations.size();
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_altMin = 0.0;
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for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
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if( histogram[i] > 0 ) {
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_altMin = i * _elevationHistogramStep;
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break;
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}
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}
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double alt_low_min = 0.0;
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double n_max = 0.0;
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sum = 0.0;
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for( vector<int>::size_type i = 0; i < histogram.size()-1; i++ ) {
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sum += histogram[i];
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if( histogram[i] > n_max ) n_max = histogram[i];
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if( n_max > histogram[i+1] && sum > 0.3*elevations.size()) {
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alt_low_min = i * _elevationHistogramStep;
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break;
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}
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}
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_altLayered = 0.5 * (_altMin + _altOffset);
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#if 0
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SG_LOG( SG_ALL, SG_ALERT, "TerrainPresampler - alalysis results:" <<
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" total:" << elevations.size() <<
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" mean:" << _altMean <<
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" median:" << _altMedian <<
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" min:" << _altMin <<
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" alt_20:" << _altOffset );
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#endif
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#if 0
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append(alt_50_array, alt_med);
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#endif
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}
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/* --------------------- End of AreaSampler implementation ------------- */
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/* --------------------- TerrainSamplerImplementation -------------------------- */
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class TerrainSamplerImplementation : public TerrainSampler
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{
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public:
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TerrainSamplerImplementation ( SGPropertyNode_ptr rootNode );
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virtual ~TerrainSamplerImplementation ();
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virtual void init ();
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virtual void reinit ();
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virtual void bind();
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virtual void unbind();
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virtual void update (double delta_time_sec);
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private:
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inline string areaSubsystemName( unsigned i ) {
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ostringstream name;
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name << "area" << i;
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return name.str();
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}
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SGPropertyNode_ptr _rootNode;
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bool _enabled;
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TiedPropertyList _tiedProperties;
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};
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TerrainSamplerImplementation::TerrainSamplerImplementation( SGPropertyNode_ptr rootNode ) :
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_rootNode( rootNode ),
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_enabled(true)
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{
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}
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TerrainSamplerImplementation::~TerrainSamplerImplementation()
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{
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}
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void TerrainSamplerImplementation::init()
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{
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PropertyList areaNodes = _rootNode->getChildren( "area" );
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for( PropertyList::size_type i = 0; i < areaNodes.size(); i++ )
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set_subsystem( areaSubsystemName(i), new AreaSampler( areaNodes[i] ) );
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SGSubsystemGroup::bind();// bind the subsystems before the get init()ed
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SGSubsystemGroup::init();
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}
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void TerrainSamplerImplementation::reinit()
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{
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for( unsigned i = 0;; i++ ) {
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string subsystemName = areaSubsystemName(i);
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SGSubsystem * subsys = get_subsystem( subsystemName );
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if( subsys == NULL )
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break;
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remove_subsystem( subsystemName );
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}
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init();
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}
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void TerrainSamplerImplementation::bind()
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{
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SGSubsystemGroup::bind();
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_tiedProperties.Tie( _rootNode->getNode("enabled",true), &_enabled );
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}
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void TerrainSamplerImplementation::unbind()
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{
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_tiedProperties.Untie();
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SGSubsystemGroup::unbind();
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}
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void TerrainSamplerImplementation::update( double dt )
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{
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if( !(_enabled && dt > SGLimitsd::min()) )
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return;
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SGSubsystemGroup::update(dt);
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}
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/* ----------------------------------------------------------------------- */
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/* implementation of the TerrainSampler factory to hide the implementation
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details */
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TerrainSampler::~TerrainSampler ()
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{
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}
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TerrainSampler * TerrainSampler::createInstance( SGPropertyNode_ptr rootNode )
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{
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return new TerrainSamplerImplementation( rootNode );
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}
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} // namespace
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// terrainsampler.cxx --
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//
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// Written by Torsten Dreyer, started July 2010
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// Based on local weather implementation in nasal from
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// Thorsten Renk
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//
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// Copyright (C) 2010 Curtis Olson
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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// General Public License for more details.
|
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//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program; if not, write to the Free Software
|
||||
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <Main/fg_props.hxx>
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#include <simgear/math/sg_random.h>
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#include <Scenery/scenery.hxx>
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#include <deque>
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#include "terrainsampler.hxx"
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using simgear::PropertyList;
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#include "tiedpropertylist.hxx"
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namespace Environment {
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/**
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* @brief Class for presampling the terrain roughness
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*/
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class AreaSampler : public SGSubsystem {
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public:
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AreaSampler( SGPropertyNode_ptr rootNode );
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virtual ~AreaSampler();
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void update( double dt );
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void bind();
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void unbind();
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double getOrientationDeg() const { return _orientation_rad * SG_RADIANS_TO_DEGREES; }
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void setOrientationDeg( double value ) { _orientation_rad = value * SG_DEGREES_TO_RADIANS; }
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int getElevationHistogramStep() const { return _elevationHistogramStep; }
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void setElevationHistograpStep( int value ) {
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_elevationHistogramStep = value > 0 ? value : 500;
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_elevationHistogramCount = _elevationHistogramMax / _elevationHistogramStep;
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}
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int getElevationHistogramMax() const { return _elevationHistogramMax; }
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void setElevationHistograpMax( int value ) {
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_elevationHistogramMax = value > 0 ? value : 10000;
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_elevationHistogramCount = _elevationHistogramMax / _elevationHistogramStep;
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}
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int getElevationHistogramCount() const { return _elevationHistogramCount; }
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private:
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void analyse();
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SGPropertyNode_ptr _rootNode;
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bool _enabled;
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bool _useAircraftPosition;
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double _latitude_deg;
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double _longitude_deg;
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double _orientation_rad;
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int _radius;
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int _samples_per_frame;
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int _max_samples; // keep xx samples in queue for analysis
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int _analyze_every; // Run analysis every xx samples
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int _elevationHistogramMax;
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int _elevationHistogramStep;
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int _elevationHistogramCount;
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double _altOffset;
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double _altMedian;
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double _altMin;
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double _altLayered;
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double _altMean;
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SGPropertyNode_ptr _positionLatitudeNode;
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SGPropertyNode_ptr _positionLongitudeNode;
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deque<double> elevations;
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TiedPropertyList _tiedProperties;
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};
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AreaSampler::AreaSampler( SGPropertyNode_ptr rootNode ) :
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_rootNode(rootNode),
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_enabled(true),
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_useAircraftPosition(false),
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_latitude_deg(0.0),
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_longitude_deg(0.0),
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_orientation_rad(0.0),
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_radius(40000.0),
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_samples_per_frame(5),
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_max_samples(1000),
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_analyze_every(200),
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_elevationHistogramMax(10000),
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_elevationHistogramStep(500),
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_elevationHistogramCount(_elevationHistogramMax/_elevationHistogramStep),
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_altOffset(0),
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_altMedian(0),
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_altMin(0),
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_altLayered(0),
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_altMean(0)
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{
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_positionLatitudeNode = fgGetNode( "/position/latitude-deg", true );
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_positionLongitudeNode = fgGetNode( "/position/longitude-deg", true );
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}
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AreaSampler::~AreaSampler()
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{
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}
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void AreaSampler::bind()
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{
|
||||
_tiedProperties.setRoot( _rootNode );
|
||||
_tiedProperties.Tie( "enabled", &_enabled );
|
||||
|
||||
_tiedProperties.setRoot( _rootNode->getNode( "input", true ) );
|
||||
_tiedProperties.Tie( "use-aircraft-position", &_useAircraftPosition );
|
||||
_tiedProperties.Tie( "latitude-deg", &_latitude_deg );
|
||||
_tiedProperties.Tie( "latitude-deg", &_latitude_deg );
|
||||
_tiedProperties.Tie( "longitude-deg", &_longitude_deg );
|
||||
_tiedProperties.Tie( "orientation-deg", this, &AreaSampler::getOrientationDeg, &AreaSampler::setOrientationDeg );
|
||||
_tiedProperties.Tie( "radius-m", &_radius );
|
||||
_tiedProperties.Tie( "max-samples-per-frame", &_samples_per_frame );
|
||||
_tiedProperties.Tie( "max-samples", &_max_samples );
|
||||
_tiedProperties.Tie( "analyse-every", &_analyze_every );
|
||||
_tiedProperties.Tie( "elevation-histogram-max-ft", this, &AreaSampler::getElevationHistogramMax, &AreaSampler::setElevationHistograpMax );
|
||||
_tiedProperties.Tie( "elevation-histogram-step-ft", this, &AreaSampler::getElevationHistogramStep, &AreaSampler::setElevationHistograpStep );
|
||||
_tiedProperties.Tie( "elevation-histogram-count", this, &AreaSampler::getElevationHistogramCount );
|
||||
|
||||
_tiedProperties.setRoot( _rootNode->getNode( "output", true ) );
|
||||
_tiedProperties.Tie( "alt-offset-ft", &_altOffset );
|
||||
_tiedProperties.Tie( "alt-median-ft", &_altMedian );
|
||||
_tiedProperties.Tie( "alt-min-ft", &_altMin );
|
||||
_tiedProperties.Tie( "alt-layered-ft", &_altLayered );
|
||||
_tiedProperties.Tie( "alt-mean-ft", &_altMean );
|
||||
}
|
||||
|
||||
void AreaSampler::unbind()
|
||||
{
|
||||
_tiedProperties.Untie();
|
||||
}
|
||||
|
||||
void AreaSampler::update( double dt )
|
||||
{
|
||||
if( !(_enabled && dt > SGLimitsd::min()) )
|
||||
return;
|
||||
|
||||
if( _useAircraftPosition ) {
|
||||
_longitude_deg = _positionLongitudeNode->getDoubleValue();
|
||||
_latitude_deg = _positionLatitudeNode->getDoubleValue();
|
||||
}
|
||||
|
||||
SGGeoc center = SGGeoc::fromGeod( SGGeod::fromDegM( _longitude_deg, _latitude_deg, SG_MAX_ELEVATION_M ) );
|
||||
|
||||
FGScenery * scenery = globals->get_scenery();
|
||||
for( int i = 0;
|
||||
i < _samples_per_frame;
|
||||
i++ ) {
|
||||
|
||||
double distance = sg_random() * _radius;
|
||||
double course = sg_random() * 2.0 * SG_PI;
|
||||
SGGeod probe = SGGeod::fromGeoc(center.advanceRadM( course, distance ));
|
||||
double elevation_m = 0.0;
|
||||
if (scenery->get_elevation_m( probe, elevation_m, NULL ))
|
||||
elevations.push_front(elevation_m *= SG_METER_TO_FEET);
|
||||
|
||||
if( elevations.size() >= (deque<unsigned>::size_type)_max_samples ) {
|
||||
analyse();
|
||||
elevations.resize( _max_samples - _analyze_every );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void AreaSampler::analyse()
|
||||
{
|
||||
double sum;
|
||||
|
||||
vector<int> histogram(_elevationHistogramCount,0);
|
||||
|
||||
for( deque<double>::size_type i = 0; i < elevations.size(); i++ ) {
|
||||
int idx = SGMisc<int>::clip( (int)(elevations[i]/_elevationHistogramStep), 0, histogram.size()-1 );
|
||||
histogram[idx]++;
|
||||
}
|
||||
|
||||
_altMedian = 0.0;
|
||||
sum = 0.0;
|
||||
for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
|
||||
sum += histogram[i];
|
||||
if( sum > 0.5 * elevations.size() ) {
|
||||
_altMedian = i * _elevationHistogramStep;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
_altOffset = 0.0;
|
||||
sum = 0.0;
|
||||
for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
|
||||
sum += histogram[i];
|
||||
if( sum > 0.3 * elevations.size() ) {
|
||||
_altOffset = i * _elevationHistogramStep;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
_altMean = 0.0;
|
||||
for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
|
||||
_altMean += histogram[i] * i;
|
||||
}
|
||||
_altMean *= _elevationHistogramStep;
|
||||
if( elevations.size() != 0.0 ) _altMean /= elevations.size();
|
||||
|
||||
_altMin = 0.0;
|
||||
for( vector<int>::size_type i = 0; i < histogram.size(); i++ ) {
|
||||
if( histogram[i] > 0 ) {
|
||||
_altMin = i * _elevationHistogramStep;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
double alt_low_min = 0.0;
|
||||
double n_max = 0.0;
|
||||
sum = 0.0;
|
||||
for( vector<int>::size_type i = 0; i < histogram.size()-1; i++ ) {
|
||||
sum += histogram[i];
|
||||
if( histogram[i] > n_max ) n_max = histogram[i];
|
||||
if( n_max > histogram[i+1] && sum > 0.3*elevations.size()) {
|
||||
alt_low_min = i * _elevationHistogramStep;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
_altLayered = 0.5 * (_altMin + _altOffset);
|
||||
|
||||
#if 0
|
||||
SG_LOG( SG_ALL, SG_ALERT, "TerrainPresampler - alalysis results:" <<
|
||||
" total:" << elevations.size() <<
|
||||
" mean:" << _altMean <<
|
||||
" median:" << _altMedian <<
|
||||
" min:" << _altMin <<
|
||||
" alt_20:" << _altOffset );
|
||||
#endif
|
||||
#if 0
|
||||
append(alt_50_array, alt_med);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* --------------------- End of AreaSampler implementation ------------- */
|
||||
|
||||
/* --------------------- TerrainSamplerImplementation -------------------------- */
|
||||
|
||||
class TerrainSamplerImplementation : public TerrainSampler
|
||||
{
|
||||
public:
|
||||
TerrainSamplerImplementation ( SGPropertyNode_ptr rootNode );
|
||||
virtual ~TerrainSamplerImplementation ();
|
||||
|
||||
virtual void init ();
|
||||
virtual void reinit ();
|
||||
virtual void bind();
|
||||
virtual void unbind();
|
||||
virtual void update (double delta_time_sec);
|
||||
private:
|
||||
inline string areaSubsystemName( unsigned i ) {
|
||||
ostringstream name;
|
||||
name << "area" << i;
|
||||
return name.str();
|
||||
}
|
||||
|
||||
SGPropertyNode_ptr _rootNode;
|
||||
bool _enabled;
|
||||
TiedPropertyList _tiedProperties;
|
||||
};
|
||||
|
||||
TerrainSamplerImplementation::TerrainSamplerImplementation( SGPropertyNode_ptr rootNode ) :
|
||||
_rootNode( rootNode ),
|
||||
_enabled(true)
|
||||
{
|
||||
}
|
||||
|
||||
TerrainSamplerImplementation::~TerrainSamplerImplementation()
|
||||
{
|
||||
}
|
||||
|
||||
void TerrainSamplerImplementation::init()
|
||||
{
|
||||
PropertyList areaNodes = _rootNode->getChildren( "area" );
|
||||
|
||||
for( PropertyList::size_type i = 0; i < areaNodes.size(); i++ )
|
||||
set_subsystem( areaSubsystemName(i), new AreaSampler( areaNodes[i] ) );
|
||||
|
||||
SGSubsystemGroup::bind();// bind the subsystems before the get init()ed
|
||||
SGSubsystemGroup::init();
|
||||
}
|
||||
|
||||
void TerrainSamplerImplementation::reinit()
|
||||
{
|
||||
for( unsigned i = 0;; i++ ) {
|
||||
string subsystemName = areaSubsystemName(i);
|
||||
SGSubsystem * subsys = get_subsystem( subsystemName );
|
||||
if( subsys == NULL )
|
||||
break;
|
||||
remove_subsystem( subsystemName );
|
||||
}
|
||||
|
||||
init();
|
||||
}
|
||||
|
||||
void TerrainSamplerImplementation::bind()
|
||||
{
|
||||
SGSubsystemGroup::bind();
|
||||
_tiedProperties.Tie( _rootNode->getNode("enabled",true), &_enabled );
|
||||
}
|
||||
|
||||
void TerrainSamplerImplementation::unbind()
|
||||
{
|
||||
_tiedProperties.Untie();
|
||||
SGSubsystemGroup::unbind();
|
||||
}
|
||||
|
||||
void TerrainSamplerImplementation::update( double dt )
|
||||
{
|
||||
if( !(_enabled && dt > SGLimitsd::min()) )
|
||||
return;
|
||||
SGSubsystemGroup::update(dt);
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------- */
|
||||
|
||||
/* implementation of the TerrainSampler factory to hide the implementation
|
||||
details */
|
||||
TerrainSampler::~TerrainSampler ()
|
||||
{
|
||||
}
|
||||
|
||||
TerrainSampler * TerrainSampler::createInstance( SGPropertyNode_ptr rootNode )
|
||||
{
|
||||
return new TerrainSamplerImplementation( rootNode );
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
|
|
|
@ -1,38 +1,38 @@
|
|||
// terrainsampler.hxx --
|
||||
//
|
||||
// Written by Torsten Dreyer, started July 2010
|
||||
// Based on local weather implementation in nasal from
|
||||
// Thorsten Renk
|
||||
//
|
||||
// Copyright (C) 2010 Curtis Olson
|
||||
//
|
||||
// This program is free software; you can redistribute it and/or
|
||||
// modify it under the terms of the GNU General Public License as
|
||||
// published by the Free Software Foundation; either version 2 of the
|
||||
// License, or (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful, but
|
||||
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program; if not, write to the Free Software
|
||||
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
//
|
||||
#ifndef _TERRAIN_SAMPLER_HXX
|
||||
#define _TERRAIN_SAMPLER_HXX
|
||||
|
||||
#include <simgear/structure/subsystem_mgr.hxx>
|
||||
|
||||
namespace Environment {
|
||||
class TerrainSampler : public SGSubsystemGroup
|
||||
{
|
||||
public:
|
||||
virtual ~TerrainSampler();
|
||||
static TerrainSampler * createInstance( SGPropertyNode_ptr rootNode );
|
||||
};
|
||||
|
||||
} // namespace
|
||||
|
||||
// terrainsampler.hxx --
|
||||
//
|
||||
// Written by Torsten Dreyer, started July 2010
|
||||
// Based on local weather implementation in nasal from
|
||||
// Thorsten Renk
|
||||
//
|
||||
// Copyright (C) 2010 Curtis Olson
|
||||
//
|
||||
// This program is free software; you can redistribute it and/or
|
||||
// modify it under the terms of the GNU General Public License as
|
||||
// published by the Free Software Foundation; either version 2 of the
|
||||
// License, or (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful, but
|
||||
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program; if not, write to the Free Software
|
||||
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
//
|
||||
#ifndef _TERRAIN_SAMPLER_HXX
|
||||
#define _TERRAIN_SAMPLER_HXX
|
||||
|
||||
#include <simgear/structure/subsystem_mgr.hxx>
|
||||
|
||||
namespace Environment {
|
||||
class TerrainSampler : public SGSubsystemGroup
|
||||
{
|
||||
public:
|
||||
virtual ~TerrainSampler();
|
||||
static TerrainSampler * createInstance( SGPropertyNode_ptr rootNode );
|
||||
};
|
||||
|
||||
} // namespace
|
||||
|
||||
#endif
|
Loading…
Reference in a new issue