FlowGeometry Class Reference

#include <FlowGeometry.h>

List of all members.

Public Member Functions

 FlowGeometry ()
 ~FlowGeometry ()
 deletes the allocated geometry storage
bool getInterpolationAt (vec3 pos, int *vtxID, float *coef)
 Returns true if inside. Stores the vertex indices and interpolation weights for the given position in the arrays.
float * getInterpolationMatrix ()
bool readFromFile (char *header, FILE *fp, bool bigEndian)
 reads the geometry gris data from a file
int getDimX ()
 returns the number of vertices in X dimension
int getDimY ()
 returns the number of vertices in Y dimension
int getDimZ ()
 returns the number of vertices in Z dimension, is always 1
float getMinX ()
 returns the minimum in the X dimension
float getMaxX ()
 returns the maximum in the X dimension
float getMinY ()
 returns the minimum in the Y dimension
float getMaxY ()
 returns the maximum in the Y dimension
int getRightNeigh (int vtxID)
 returns the vertex ID of the neighbour on it's right
int getTopNeigh (int vtxID)
 returns the vertex ID of the neighbour on it's top
int getLeftNeigh (int vtxID)
 returns the vertex ID of the neighbour on it's left
int getBottomNeigh (int vtxID)
 returns the vertex ID of the neighbour on it's bottom
vec3 normalizeCoords (vec3 pos)
 compression of coordinates in each dimension separately, returns values in <0,1>
vec3 unNormalizeCoords (vec3 pos)
 inverts teh compression and from values of <0,1> restores the real geometrical coordinates

Private Member Functions

int getVtx (int x, int y)
 returns general vtxID for the vertex array indexes
int getVtxX (int vtxID)
 returns X index for the general vtxID
int getVtxY (int vtxID)
 returns Y index for the general vtxID
int getXYvtx (vec3 pos)
 returns X index of the last vertex lying left to the position x and the Y index of the last vertex lying under the position y
vec3 getPos (int vtxID)
 returns the position of the vertex
float getPosX (int vtxID)
 returns the x position of the vertex
float getPosY (int vtxID)
 returns the y position of the vertex
int getNearestVtx (vec3 pos)
 a very slow and dumb routine, that finds the nearest vertex to the given position

Private Attributes

int dim [2]
 resolution of the data for the dimensions X, Y, Z
vec3 boundaryMin
 boundary values for the dataset sotred as {minX, minY), (maxX, maxY), (maX - minX, maxY - minY)
vec3 boundaryMax
vec3 boundarySize
float * intMat
vec3geometryData
 Storage for the geometry.
bool isFlipped
 indicates whether the x and y axes have to be swaped

Friends

class FlowData


Constructor & Destructor Documentation

FlowGeometry::FlowGeometry (  ) 

FlowGeometry::~FlowGeometry (  ) 

deletes the allocated geometry storage


Member Function Documentation

int FlowGeometry::getVtx ( int  x,
int  y 
) [private]

returns general vtxID for the vertex array indexes

int FlowGeometry::getVtxX ( int  vtxID  )  [private]

returns X index for the general vtxID

int FlowGeometry::getVtxY ( int  vtxID  )  [private]

returns Y index for the general vtxID

int FlowGeometry::getXYvtx ( vec3  pos  )  [private]

returns X index of the last vertex lying left to the position x and the Y index of the last vertex lying under the position y

vec3 FlowGeometry::getPos ( int  vtxID  )  [private]

returns the position of the vertex

float FlowGeometry::getPosX ( int  vtxID  )  [private]

returns the x position of the vertex

float FlowGeometry::getPosY ( int  vtxID  )  [private]

returns the y position of the vertex

int FlowGeometry::getNearestVtx ( vec3  pos  )  [private]

a very slow and dumb routine, that finds the nearest vertex to the given position

bool FlowGeometry::getInterpolationAt ( vec3  pos,
int *  vtxID,
float *  coef 
)

Returns true if inside. Stores the vertex indices and interpolation weights for the given position in the arrays.

float * FlowGeometry::getInterpolationMatrix (  ) 

bool FlowGeometry::readFromFile ( char *  header,
FILE *  fp,
bool  bigEndian 
)

reads the geometry gris data from a file

int FlowGeometry::getDimX (  ) 

returns the number of vertices in X dimension

int FlowGeometry::getDimY (  ) 

returns the number of vertices in Y dimension

int FlowGeometry::getDimZ (  ) 

returns the number of vertices in Z dimension, is always 1

float FlowGeometry::getMinX (  ) 

returns the minimum in the X dimension

float FlowGeometry::getMaxX (  ) 

returns the maximum in the X dimension

float FlowGeometry::getMinY (  ) 

returns the minimum in the Y dimension

float FlowGeometry::getMaxY (  ) 

returns the maximum in the Y dimension

int FlowGeometry::getRightNeigh ( int  vtxID  ) 

returns the vertex ID of the neighbour on it's right

int FlowGeometry::getTopNeigh ( int  vtxID  ) 

returns the vertex ID of the neighbour on it's top

int FlowGeometry::getLeftNeigh ( int  vtxID  ) 

returns the vertex ID of the neighbour on it's left

int FlowGeometry::getBottomNeigh ( int  vtxID  ) 

returns the vertex ID of the neighbour on it's bottom

vec3 FlowGeometry::normalizeCoords ( vec3  pos  ) 

compression of coordinates in each dimension separately, returns values in <0,1>

vec3 FlowGeometry::unNormalizeCoords ( vec3  pos  ) 

inverts teh compression and from values of <0,1> restores the real geometrical coordinates


Friends And Related Function Documentation

friend class FlowData [friend]


Member Data Documentation

int FlowGeometry::dim[2] [private]

resolution of the data for the dimensions X, Y, Z

vec3 FlowGeometry::boundaryMin [private]

boundary values for the dataset sotred as {minX, minY), (maxX, maxY), (maX - minX, maxY - minY)

vec3 FlowGeometry::boundaryMax [private]

vec3 FlowGeometry::boundarySize [private]

float* FlowGeometry::intMat [private]

vec3* FlowGeometry::geometryData [private]

Storage for the geometry.

bool FlowGeometry::isFlipped [private]

indicates whether the x and y axes have to be swaped


The documentation for this class was generated from the following files:
Generated on Sun Jan 20 16:06:34 2008 for Flow Visualisation by  doxygen 1.5.4