View source for OpenIGTLink/ProtocolV2/Type/PolyData

[[OpenIGTLink/ProtocolV2/Draft | &lt;&lt; Version 2 Draft Page]]

=Summary=
POLYDATA is used to transfer 3D polygonal data. The message format is designed based on the [http://www.vtk.org/VTK/img/file-formats.pdf POLY DATA format defined in VTK file format] and equivalent to [http://noodle.med.yale.edu/vtk5/classvtkPolyData.html VTK's vtkPolyData class].

=Message Types=
==POLYDATA==

{| border="1" cellpadding="5" cellspacing="0" align="center"
|-
| align="left style="background:#e0e0e0;" | Data
| align="left style="background:#e0e0e0;" | Type
| align="left style="background:#e0e0e0;" | Description
|-
| align="left" | NPOINTS
| align="left" | uint32
| align="left" | Number of points
|-
| align="left" | PTYPE
| align="left" | uint16
| align="left" | Data type (see image)
|-
| align="left" | POINTS
| align="left" | PTYPE * NPOINTS * 3
| align="left" | Coordinates of points (P0x, P0y, P0z, P1x, P1y, P1z, ... P(n-1)x, P(n-1)y, P(n-1)z
|-
| align="left" | NVERTICES
| align="left" | uint32
| align="left" | Number of vertices
|-
| align="left" | VERTICES
| align="left" | uint32 * ((NPOINTS_0+1) + (NPOINTS_1+1) + (NPOINTS_(N-1)+1))
| align="left" | array of vertices ((NPOINTS_0, index_0_0, index_0_1, ....), (NPOINTS_1, index_1_0, index_1_1, ....), ..., (NPOINTS_(N-1), index_(N-1)_0, index_(N-1)_1, ....))
|-
| align="left" | NLINES
| align="left" | uint32
| align="left" | Number of lines
|-
| align="left" | LINES
| align="left" | uint32 * ((NPOINTS_0+1) + (NPOINTS_1+1) + (NPOINTS_(N-1)+1))
| align="left" | array of vertices ((NPOINTS_0, index_0_0, index_0_1, ....), (NPOINTS_1, index_1_0, index_1_1, ....), ..., (NPOINTS_(N-1), index_(N-1)_0, index_(N-1)_1, ....))
|-
| align="left" | NPOLYGONS
| align="left" | uint32
| align="left" | Number of lines
|-
| align="left" | POLYGONS
| align="left" | uint32 * ((NPOINTS_0+1) + (NPOINTS_1+1) + (NPOINTS_(N-1)+1))
| align="left" | array of vertices ((NPOINTS_0, index_0_0, index_0_1, ....), (NPOINTS_1, index_1_0, index_1_1, ....), ..., (NPOINTS_(N-1), index_(N-1)_0, index_(N-1)_1, ....))
|-
| align="left" | NTRIANGLE_STRIPS
| align="left" | uint32
| align="left" | Number of lines
|-
| align="left" | TRIANGLE_STRIPS
| align="left" | uint32 * ((NPOINTS_0+1) + (NPOINTS_1+1) + (NPOINTS_(N-1)+1))
| align="left" | array of vertices ((NPOINTS_0, index_0_0, index_0_1, ....), (NPOINTS_1, index_1_0, index_1_1, ....), ..., (NPOINTS_(N-1), index_(N-1)_0, index_(N-1)_1, ....))
|-
|}

==GET_POLYDATA==

{| border="1" cellpadding="5" cellspacing="0" align="center"
|-
| align="left style="background:#e0e0e0;" | Data
| align="left style="background:#e0e0e0;" | Type
| align="left style="background:#e0e0e0;" | Description
|-
|}


==STT_POLYDATA==

{| border="1" cellpadding="5" cellspacing="0" align="center"
|-
| align="left style="background:#e0e0e0;" | Data
| align="left style="background:#e0e0e0;" | Type
| align="left style="background:#e0e0e0;" | Description
|-
|}

==STP_POLYDATA==

{| border="1" cellpadding="5" cellspacing="0" align="center"
|-
| align="left style="background:#e0e0e0;" | Data
| align="left style="background:#e0e0e0;" | Type
| align="left style="background:#e0e0e0;" | Description
|-
|}

==RTS_POLYDATA==

=Implementations=
The NDARRAY message type is implemented in the following source code.
<!--
*[http://svn.na-mic.org/NAMICSandBox/trunk/OpenIGTLink/Source/igtlTrackingDataMessage.h igtlTrackingDataMessage.h]
*[http://svn.na-mic.org/NAMICSandBox/trunk/OpenIGTLink/Source/igtlTrackingDataMessage.cxx igtlTrackingDataMessage.cxx]
-->

=Contributors=
Junichi Tokuda, Yuichiro Hayashi

=Comments=