OSGPruneGraphOp.h

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#ifndef _OSGPRUNEGRAPHOP_H_
#define _OSGPRUNEGRAPHOP_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGConfig.h>

#include <OSGSystemDef.h>
#include <OSGGraphOp.h>
#include <OSGAction.h>

OSG_BEGIN_NAMESPACE

class OSG_SYSTEMLIB_DLLMAPPING PruneGraphOp : public GraphOp
{
public:
    enum Method {
        VOLUME,
        SUM_OF_DIMENSIONS,
    };

    static const char *getClassname(void) { return "PruneGraphOp"; };

    PruneGraphOp(
        float size = 1.0f,
        Method method = SUM_OF_DIMENSIONS,
        const char* name = "Prune");

    GraphOp* create();

    void setParams(const std::string params);
    
    std::string usage(void);

private:
    Action::ResultE traverseEnter(NodePtr& node);
    Action::ResultE traverseLeave(NodePtr& node, Action::ResultE res);

    bool isTooSmall(const NodePtr& node);
    float getSize(const NodePtr& node);

    float _size;
    Method _method;
};

OSG_END_NAMESPACE

#endif

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