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OpenSpace/modules/volume/rendering/basicvolumeraycaster.h
Alexander Bock 7004c02b86 Happy new year
2021-01-02 15:26:51 +01:00

113 lines
5.0 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2021 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __OPENSPACE_MODULE_VOLUME___BASICVOLUMERAYCASTER___H__
#define __OPENSPACE_MODULE_VOLUME___BASICVOLUMERAYCASTER___H__
#include <openspace/rendering/volumeraycaster.h>
#include <openspace/util/boxgeometry.h>
#include <modules/volume/volumegridtype.h>
namespace ghoul::opengl {
class Texture;
class ProgramObject;
class TextureUnit;
} // namespace ghoul::opengl
namespace openspace {
struct RenderData;
struct RaycastData;
class TransferFunction;
} // namespace openspace
namespace openspace::volume {
class TransferFunctionHandler;
class VolumeClipPlanes;
class BasicVolumeRaycaster : public VolumeRaycaster {
public:
BasicVolumeRaycaster(
std::shared_ptr<ghoul::opengl::Texture> texture,
std::shared_ptr<openspace::TransferFunction> transferFunction,
std::shared_ptr<VolumeClipPlanes> clipPlanes);
virtual ~BasicVolumeRaycaster();
void initialize();
void deinitialize();
void renderEntryPoints(const RenderData& data,
ghoul::opengl::ProgramObject& program) override;
void renderExitPoints(const RenderData& data,
ghoul::opengl::ProgramObject& program) override;
void preRaycast(const RaycastData& data,
ghoul::opengl::ProgramObject& program) override;
void postRaycast(const RaycastData& data,
ghoul::opengl::ProgramObject& program) override;
bool isCameraInside(const RenderData& data, glm::vec3& localPosition) override;
std::string boundsVertexShaderPath() const override;
std::string boundsFragmentShaderPath() const override;
std::string raycasterPath() const override;
std::string helperPath() const override;
void setVolumeTexture(std::shared_ptr<ghoul::opengl::Texture> texture);
std::shared_ptr<ghoul::opengl::Texture> volumeTexture() const;
void setTransferFunction(std::shared_ptr<TransferFunction> transferFunction);
void setStepSize(float stepSize);
float opacity() const;
void setOpacity(float opacity);
float rNormalization() const;
void setRNormalization(float rNormalization);
float rUpperBound() const;
void setRUpperBound(float rNormalization);
VolumeGridType gridType() const;
void setGridType(VolumeGridType gridType);
void setModelTransform(glm::mat4 transform);
private:
glm::dmat4 modelViewTransform(const RenderData& data);
std::shared_ptr<VolumeClipPlanes> _clipPlanes;
std::shared_ptr<ghoul::opengl::Texture> _volumeTexture;
std::shared_ptr<TransferFunction> _transferFunction;
BoxGeometry _boundingBox;
VolumeGridType _gridType;
glm::mat4 _modelTransform = glm::mat4(1.f);
float _opacity = 20.f;
float _rNormalization = 0.f;
float _rUpperBound = 1.f;
std::unique_ptr<ghoul::opengl::TextureUnit> _tfUnit;
std::unique_ptr<ghoul::opengl::TextureUnit> _textureUnit;
float _stepSize = 0.f;
};
} // namespace openspace::volume
#endif // __OPENSPACE_MODULE_VOLUME___BASICVOLUMERAYCASTER___H__