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/*
* Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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 otb_GeoInterface_h
#define otb_GeoInterface_h
#include <itkFloatTypes.h>
#include <itkPoint.h>
#include "OTBIceExport.h"
namespace otb
{
class ImageMetadata;
/**
* @class This class is the abstract interface for actors which need
* geo-referenced methods.
*
* Use multiple inheritance to provide geo-referenced interface to
* specialized actors.
*
* Example: Derive otb::GlMyActor : public otb::GlActor, public
* otb::GeoInterface {};
*
* By default, single-prevision methods are implemented as conversion
* method from otb::GeoInterface::Point2f to
* otb::GeoInterface::Point2d. Derived otb::GlActor classes must
* implement double-prevision methods.
*/
class OTBIce_EXPORT GeoInterface
{
public:
/**
*/
typedef itk::Point< itk::SpacePrecisionType, 2 > Point2;
/**
* Double precision point-type.
*/
typedef itk::Point< double, 2 > Point2d;
/**
* Spacing-type based on ITK floating-point prevision.
*/
typedef itk::Vector< itk::SpacePrecisionType, 2 > Spacing2;
/**
* Transform given point from viewport coordinate-system to this
* actor coordinate-system.
*
* By default this method return false. It should be implemented in
* derived classes if needed.
*
* @param out The transformed point (in this actor coordinate-system).
* @param in The given point (in viewport coordinate-system).
* @param isPhysical Indicate physical coordates are desired.
*
* @return true if the operation has succeeded; false otherwise.
*/
virtual bool TransformFromViewport( Point2d & out,
const Point2d & in,
bool isPhysical = true ) const;
/**
* Transform given point from viewport coordinate-system to this
* actor coordinate-system.
*
* By default this method return false. It should be implemented in
* derived classes if needed.
*
* @param out The transformed point (in this actor coordinate-system).
* @param in The given point (in viewport coordinate-system).
* @param isPhysical Indicate physical coordates are desired.
*
* @return true if the operation has succeeded; false otherwise.
*/
virtual bool TransformToViewport( Point2d & out,
const Point2d & in,
bool isPhysical = true ) const;
/**
*/
virtual const Spacing2 & GetSpacing() const;
/**
*/
virtual std::string GetWkt() const;
/**
*/
virtual bool GetImd( ImageMetadata & ) const;
protected:
GeoInterface();
virtual ~GeoInterface();
private:
}; // End class GeoInterface
} // End namespace otb
#endif // otb_GeoInterface_h
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