89 lines
3.7 KiB
Plaintext
89 lines
3.7 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#pragma once
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#include <osgEarth/Common>
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#include <osgEarth/Symbol>
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#include <osgEarth/Expression>
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namespace osgEarth
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{
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using namespace osgEarth;
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/**
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* Symbol that directs the GeometryCompiler to create extruded 3D geometry
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* from 2D vector data.
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*/
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class OSGEARTH_EXPORT ExtrusionSymbol : public Symbol
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{
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public:
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META_Object(osgEarth, ExtrusionSymbol);
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ExtrusionSymbol(const ExtrusionSymbol& rhs,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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ExtrusionSymbol( const Config& conf =Config() );
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/** dtor */
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virtual ~ExtrusionSymbol() { }
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/** Height to which to extrude geometry above the footprint (for HEIGHT_REFERENCE_Z)
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or above MSL (for HEIGHT_REFERENCE_MSL) */
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optional<float>& height() { return _height; }
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const optional<float>& height() const { return _height; }
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/** Simple expression to evaluate to get height */
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optional<NumericExpression>& heightExpression() { return _heightExpr; }
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const optional<NumericExpression>& heightExpression() const { return _heightExpr; }
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/** Whether the top cap of the extruded geometry should be flat (default=true) */
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optional<bool>& flatten() { return _flatten; }
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const optional<bool>& flatten() const { return _flatten; }
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/** Name of a style describing how to symbolize the extruded walls */
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optional<std::string>& wallStyleName() { return _wallStyleName; }
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const optional<std::string>& wallStyleName() const { return _wallStyleName; }
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/** Name of a style describing how to symbolize the elevated rooftop */
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optional<std::string>& roofStyleName() { return _roofStyleName; }
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const optional<std::string>& roofStyleName() const { return _roofStyleName; }
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/** Percentage by which to darken the color of the bottom of the walls relative
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to the main wall color (default = 0.0, range = [0..1]) */
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optional<float>& wallGradientPercentage() { return _wallGradientPercentage; }
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const optional<float>& wallGradientPercentage() const { return _wallGradientPercentage; }
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/** Percentage by which to shade the wells to simulate lighting [0..1] */
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optional<float>& wallShadePercentage() { return _wallShadePercentage; }
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const optional<float>& wallShadePercentage() const { return _wallShadePercentage; }
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public:
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virtual Config getConfig() const;
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virtual void mergeConfig( const Config& conf );
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static void parseSLD(const Config& c, class Style& style);
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protected:
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optional<float> _height;
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optional<bool> _flatten;
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optional<NumericExpression> _heightExpr;
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optional<std::string> _wallStyleName;
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optional<std::string> _roofStyleName;
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optional<float> _wallGradientPercentage;
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optional<float> _wallShadePercentage;
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};
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} // namespace osgEarth
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