VolumeViz/vvizStructure.h

Go to the documentation of this file.

/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
 ***                                                                                ***
 ***                        RESTRICTED RIGHTS LEGEND                                ***
 ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
 ***                                                                                ***
 ***                   COPYRIGHT (C) 1996-2022 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef VVIZ_STRUCTURE_H
#define VVIZ_STRUCTURE_H

vec3 VVizGetVolumeDimensions(in VVizDataSetId dataset);

vec3 VVizGetTileDimensions(in VVizDataSetId dataset);

vec3 VVizGetVoxelDimensions(in VVizDataSetId dataset);

#define VVizTileInfo vec4

int VVizGetTileResolution(in VVizTileInfo tileInfo);

VVizTileInfo VVizGetTileInfo(in VVizDataSetId dataset, in vec3 dataCoord);

void VVizGetTileIJKBox(in VVizDataSetId dataset, in vec3 dataCoord, out vec3 tileIJKMin, out vec3 tileIJKMax);

VVizDataSetId VVizGetDefaultDataSet();


vec4 VVizTextureToObject(in VVizDataSetId dataset, in vec4 texCoord);

vec3 VVizTextureToObjectVec(in VVizDataSetId dataset, in vec3 texCoord);

vec3 VVizTextureToObjectDir(in VVizDataSetId dataset, in vec3 texCoord);


vec4 VVizObjectToTexture(in VVizDataSetId dataset, in vec4 objectCoord);

vec3 VVizObjectToTextureVec(in VVizDataSetId dataset, in vec3 objectCoord);

vec3 VVizObjectToTextureDir(in VVizDataSetId dataset, in vec3 objectCoord);


vec4 VVizTextureToWorld(in VVizDataSetId dataset, in vec4 texCoord);

vec3 VVizTextureToWorldVec(in VVizDataSetId dataset, in vec3 texCoord);

vec3 VVizTextureToWorldDir(in VVizDataSetId dataset, in vec3 texCoord);


vec4 VVizWorldToTexture(in VVizDataSetId dataset, in vec4 worldCoord);

vec3 VVizWorldToTextureVec(in VVizDataSetId dataset, in vec3 worldCoord);

vec3 VVizWorldToTextureDir(in VVizDataSetId dataset, in vec3 worldCoord);


vec4 VVizTextureToTexture(in VVizDataSetId datasetSrc, in VVizDataSetId datasetDst, in vec4 texCoord);

vec3 VVizTextureToTextureVec(in VVizDataSetId datasetSrc, in VVizDataSetId datasetDst, in vec3 texCoord);

vec3 VVizTextureToTextureDir(in VVizDataSetId datasetSrc, in VVizDataSetId datasetDst, in vec3 texCoord);

struct VVizVoxelInfo
{
  vec3 texCoord;
  VVIZ_DATATYPE value;

  // PRIVATE members
  // Texture coordinate in Physical Space
  vec3 texCoordPhys;
  // Physical tile information
  // - tileInfo.xyz  = tile's origin coordinate
  // - tileInfo.w    = tile's ldm resolution
  VVizTileInfo tileInfo;
  //Used by VVizEdgeImageSpace and accumulated along the ray
  // - nprData.x = viewspace Z
  // - nprData.y = normal factor
  vec4 nprData;

  // coordinates of sample in volume space.
  // most of the time, equal to texCoord but may be different in case of projection
  // or in voxelized rendering.
  // Difference with texCoord is that texCoord represent where we will access data whereas
  // sample coord represent where is the current sample of raycast.
  vec3 sampleCoord;
};


struct VVizNeighborsGeneral
{
  vec3 texCoords[8];
  VVIZ_DATATYPE values[8];
  // Coeffs used for linear interpolation (ie: fractionnal part of texcoords)
  vec3 coeffs;
};

#endif

---

Open Inventor Toolkit reference manual, generated on 15 Mar 2023
Copyright © Thermo Fisher Scientific All rights reserved. http://www.openinventor.com/