OpenSceneGraph/include/osgTerrain/ValidDataOperator
2009-01-07 10:32:59 +00:00

75 lines
2.3 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGTERRAIN_VALIDDATAOPERATOR
#define OSGTERRAIN_VALIDDATAOPERATOR 1
#include <osg/Referenced>
#include <osg/Vec2>
#include <osg/Vec3>
#include <osg/Vec4>
#include <osgTerrain/Export>
namespace osgTerrain {
struct ValidDataOperator : public osg::Referenced
{
virtual bool operator() (float /*value*/) const { return true; }
virtual bool operator() (const osg::Vec2& value) const { return operator()(value.x()) && operator()(value.y()) ; }
virtual bool operator() (const osg::Vec3& value) const { return operator()(value.x()) && operator()(value.y()) && operator()(value.z()); }
virtual bool operator() (const osg::Vec4& value) const { return operator()(value.x()) && operator()(value.y()) && operator()(value.z()) && operator()(value.w()); }
};
struct ValidRange : public ValidDataOperator
{
ValidRange(float minValue, float maxValue):
_minValue(minValue),
_maxValue(maxValue) {}
void setRange(float minValue, float maxValue)
{
_minValue = minValue;
_maxValue = maxValue;
}
void setMinValue(float minValue) { _minValue = minValue; }
float getMinValue() const { return _minValue; }
void setMaxValue(float maxValue) { _maxValue = maxValue; }
float getMaxValue() const { return _maxValue; }
virtual bool operator() (float value) const { return value>=_minValue && value<=_maxValue; }
float _minValue, _maxValue;
};
struct NoDataValue : public ValidDataOperator
{
NoDataValue(float value):
_value(value) {}
void setNoDataValue(float value) { _value = value; }
float getValue() const { return _value; }
virtual bool operator() (float value) const { return value!=_value; }
float _value;
};
}
#endif