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IRegionGenerator.h
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IRegionGenerator.h
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// Copyright 2009 Green Code LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef MCC_IREGION_GENERATOR_H
#define MCC_IREGION_GENERATOR_H
#include "PointSelector.h"
namespace mcc
{
class IInterpolationRegion;
class IPointVector;
class RasterSurface;
// Embodies a method for subdividing a set of data points and its associated
// target raster into regions for spline interpolation.
class IRegionGenerator
{
public:
// Determine the interpolation regions for a set of points and its
// associated target raster. Only the points selected by the
// pointSelector parameter are put in the interpolation regions.
// Returns the number of regions.
virtual int subdivide(const IPointVector & points,
PointSelector pointSelector,
const RasterSurface & raster) = 0;
// Return the next region. If no more regions, then returns 0.
virtual const Cell *getNextCell() = 0;
virtual const IInterpolationRegion *getRegionForCell(const Cell *cell) = 0;
virtual void getPointsAndCellsForCell(const Cell *cell, int nExtraPoints,
std::vector<const IPoint *> &points, std::vector<Cell> &cells) = 0;
// Add points from neighboring regions to the current region (i.e., the
// region returned by getNextRegion).
virtual ~IRegionGenerator() { }
};
}
#endif