CSOPointDensity.h

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/*************************************************************************************
**
** Copyright 2016, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#pragma once
 
#include <SoCSOSystem.h>
 
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFFloat.h>
#include <SoPointerPosition.h>
 
 
enum POINT_DENSITY
{
  DENSITY_MILLIMETER,
  DENSITY_MIN_VOXEL_EXTENT,
  DENSITY_SCREEN_PIXEL
};
 
class SOCSO_EXPORT CSOPointDensity
{
public:
  CSOPointDensity() {}
 
  float getPointDensity(const SoPointerPosition& pos) const;
 
  SoSFEnum pointDensityMode;
  SoSFFloat densityFactor;
};
 
#define SO_NODE_ADD_POINT_DENSITY_FIELDS() \
  SO_NODE_DEFINE_ENUM_VALUE(POINT_DENSITY, DENSITY_SCREEN_PIXEL); \
  SO_NODE_DEFINE_ENUM_VALUE(POINT_DENSITY, DENSITY_MIN_VOXEL_EXTENT); \
  SO_NODE_DEFINE_ENUM_VALUE(POINT_DENSITY, DENSITY_MILLIMETER); \
  SO_NODE_SET_SF_ENUM_TYPE(pointDensityMode, POINT_DENSITY); \
  SO_NODE_ADD_FIELD(pointDensityMode, (DENSITY_SCREEN_PIXEL)); \
  SO_NODE_ADD_FIELD(densityFactor, (0.1f));