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VoxelData Member Functions
(created by Sanjay)
ReadRawGreyData
DESCRIPTION
read in a 3D raw data file consisting of greylevel values.
PARAMETERS
filename = input, name of raw grey data file
extents = input, dimensions of data file
eLen = input, length in bytes of 1 element (use sizeof)
eMin = input, min value of an element
eMax = input, max value of an element
PRE : none
POST : data read into grey_data, dimensions of data in data_*len
RETURNS
1 if successful, -1 if not.
ReadDicomGreyData
DESCRIPTION
read in a 3D dicom data file consisting of greylevel values.
PARAMETERS
filename = input, name of dicom data file
PRE : none
POST : data read into grey_data, dimensions of data in data_*len
RETURNS
1 if successful, -1 if not.
ReadRawSegData
DESCRIPTION
read in a raw data file consisting of segmentation values.
PARAMETERS
filename = input, name of raw data file
PRE :
grey_data read in
dimensions of data file same as grey_data
data file consists of byte long elements
POST :
data read into seg_data and into seg_data_unlabelled
RETURNS
1 if successful, -1 if not.
WriteRawSegData
DESCRIPTION
write segmenation data into raw file <filename.raw, and info about the data
(dimensions, element length) in <filename.info
PARAMETERS
filename = input, name of raw data file
PRE : seg_data is not empty
POST : raw data written to <filename.raw and info to <filename.info
RETURNS
1 if successful, -1 if not.
ReadDicomSegData
DESCRIPTION
read in a dicom data file consisting of segmentation values.
PARAMETERS
filename = input, name of dicom data file
PRE
grey_data read in
dimensions of data file same as grey_data
data file consists of byte long elements
POST
data read into seg_data and into seg_data_unlabelled
RETURNS
1 if successful, -1 if not.
WriteDicomSegData(char* filename)
DESCRIPTION
write segmenation data into dicom file <filename
PARAMETERS
filename = input, name of dicom data file
PRE
seg_data is not empty
POST
data written to dicom file <filename
RETURNS
1 if successful, -1 if not.
ReadAsciiColorLabels
DESCRIPTION
read in ascii data file consisting of color-label info
PARAMETERS
filename = input, name of ascii data file
PRE
none
POST
data read into color_label
RETURNS
1 if successful, -1 if not.
WriteAsciiColorLabels
DESCRIPTION
write color-labels into ascii file <filename
PARAMETERS
filename = input, name of ascii data file
PRE
none
POST
color-labels written to <filename
RETURNS
1 if successful, -1 if not.
GetColorLabelProperties
DESCRIPTION
give back color label info for given color label index
PARAMETERS
index = input, index of desired color label
rgb = output, color values of color label
label = output, string associated with color label
PRE
none
POST
color label info read into rgb and label
RETURNS
1 if successful, -1 if not.
SetColorLabelProperties
DESCRIPTION
set color label info for given color label index
PARAMETERS
index = input, index of desired color label
rgb = input, color values of color label
label = input, string associated with color label
PRE
none
POST
rgb and label set in color label
RETURNS
1 if successful, -1 if not.
GetGreyImageSlice
DESCRIPTION
get a desired grey image slice in a desired direction (X,Y,Z)
PARAMETERS
dir = input, desired direction (X, Y, Z)
slicenum = input, desired slice (0 - length of data in direction)
buff = output, desired image slice
PRE
none
POST
desired image slice read into buff
returned slice coords :-
^
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(0,0).-----------
RETURNS
1 if successful, -1 if not.
GetSegImageSlice
DESCRIPTION
get a desired segmentation slice in a desired direction (X,Y,Z)
PARAMETERS
dir = input, desired direction (X, Y, Z)
slicenum = input, desired slice (0 - length of data in direction)
buff = output, desired segmentation slice
PRE
none
POST
desired segmentation slice read into buff
returned slice coords :-
^
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(0,0).-----------
RETURNS
1 if successful, -1 if not.
SetVoxelSegmentation
DESCRIPTION
set a voxel in seg_data to be a desired color_label index, and the same
voxel to 255 in seg_data_unlabelled
PARAMETERS
xyz = input, desired voxel coordinates
val = input, index of color_label that voxel should be labelled
PRE
none
POST
voxel xyz in seg_data is set to val, and in seg_data_unlabelled to 255
RETURNS
1 if successful, -1 if not.
GetNearestSegVoxel
DESCRIPTION
get the nearest labelled voxel to coordinates xyz in seg_data
PARAMETERS
xyz = input, voxel coordinates
PRE
none
POST
none
RETURNS
coordinates of nearest labelled voxel to coordinates xyz in seg_data
GetAllSegData
DESCRIPTION
get all segmented voxels
PARAMETERS
none
PRE
none
POST
none
RETURNS
seg_data_unlabelled
GetVolumeExtents
DESCRIPTION
get dimensions of voxel data set
PARAMETERS
none
PRE
none
POST
none
RETURNS
dimensions of voxel data set
Xlen
DESCRIPTION
get length in X direction of voxel data set
Ylen
DESCRIPTION
get length in Y direction of voxel data set
Zlen
DESCRIPTION
get length in Z direction of voxel data set
GetVoxelScaleFactor
DESCRIPTION
get relative dimensions of each voxel
PARAMETERS
sf = output, relative dimensions of voxel
PRE
none
POST
relative dimensions read into sf
RETURNS
1 if successful, -1 if not
SetVoxelScaleFactor
DESCRIPTION
set relative dimensions of each voxel
PARAMETERS
sf = input, relative dimensions of voxel
PRE
none
POST
relative dimenions sf stored in voxel_scale_factor
RETURNS
1 if successful, -1 if not
DATA MEMBERS :-
private:
dimensions of data
int data_Xlen, data_Ylen, data_Zlen;
grey level vox data
my2byte*** grey_data;
segmentation data
mybyte*** seg_data;
segmentation data, but without label info.
if voxel is within segmented area, val = 255 else val = 0.
this is for iso-surface generation.
vtkStructuredPoints* seg_data_unlabelled;
ColorLabelStruct color_labels[MAX_COLOR_LABELS]; color labels
public:
relative dimensions of a voxel, each between 0.0 and 1.0
float vox_scale_factor[3];
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