GAS/GAS_SeedMarkers.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Jeff Lait
 *      Side Effects Software Inc
 *      123 Front Street West, Suite 1401
 *      Toronto, Ontario
 *      Canada   M5J 2M2
 *      416-504-9876
 *
 * NAME:        GAS_SeedMarkers.h ( GAS Library, C++)
 *
 * COMMENTS:
 */

#ifndef __GAS_SeedMarkers__
#define __GAS_SeedMarkers__

#include "GAS_API.h"

#include <UT/UT_ThreadedAlgorithm.h>
#include <GU/GU_Detail.h>

#include "GAS_SubSolver.h"
#include "GAS_Utils.h"

class GU_Detail;
class SIM_ScalarField;

class GAS_API GAS_SeedMarkers : public GAS_SubSolver
{
public:
    GET_DATA_FUNC_S(GAS_NAME_SURFACE, SurfaceName);
    GET_DATA_FUNC_S(GAS_NAME_GEOMETRY, GeometryName);
    GET_DATA_FUNC_S(GAS_NAME_SOURCE, SourceName);
    GET_DATA_FUNC_S(GAS_NAME_SINK, SinkName);
    GET_DATA_FUNC_S(GAS_NAME_VELOCITY, VelocityName);

    GETSET_DATA_FUNCS_I("surfelpervoxel", SurfelPerVoxel);
    GETSET_DATA_FUNCS_B("outsidesurfels", OutsideSurfels);
    GETSET_DATA_FUNCS_B("insidesurfels", InsideSurfels);

    GETSET_DATA_FUNCS_F("minrad", MinRad);
    GETSET_DATA_FUNCS_F("maxrad", MaxRad);

    GETSET_DATA_FUNCS_F("birthbandwidth", BirthBandwidth);
    GETSET_DATA_FUNCS_F("deathbandwidth", DeathBandwidth);

protected:
    explicit             GAS_SeedMarkers(const SIM_DataFactory *factory);
    virtual             ~GAS_SeedMarkers();

    /// Moves the fields given by FieldName by the given velocity
    /// field.  Moves the points given by GeometryName likewise.
    virtual bool         solveGasSubclass(SIM_Engine &engine,
                                SIM_Object *obj,
                                SIM_Time time,
                                SIM_Time timestep);

    /// Creates new marker particles so that there are sufficient
    /// near the iso contour.  Deletes any particles that are now
    /// too far away.
    void                 seedMarkers(GU_Detail *gdp, 
                                    const SIM_ScalarField *surface, 
                                    const SIM_ScalarField *source, 
                                    const SIM_ScalarField *sink, 
                                    const SIM_ScalarField *collisionmask);

private:
    static const SIM_DopDescription     *getDopDescription();

    DECLARE_STANDARD_GETCASTTOTYPE();
    DECLARE_DATAFACTORY(GAS_SeedMarkers,
                        GAS_SubSolver,
                        "Gas Seed Markers",
                        getDopDescription());
};

#endif

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