/usr/include/openigtlink/igtl_qtdata.h is in libopenigtlink-dev 1.11.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | /*=========================================================================
Program: The OpenIGTLink Library
Language: C
Web page: http://openigtlink.org/
Copyright (c) Insight Software Consortium. All rights reserved.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __IGTL_QTDATA_H
#define __IGTL_QTDATA_H
#include "igtl_win32header.h"
#include "igtl_util.h"
#include "igtl_types.h"
#define IGTL_QTDATA_ELEMENT_SIZE 50
#define IGTL_STT_QTDATA_SIZE 36
#define IGTL_RTS_QTDATA_SIZE 1
#define IGTL_QTDATA_LEN_NAME 20 /* Maximum length of tracking instrument name */
#define IGTL_STT_QTDATA_LEN_COORDNAME 32 /* Maximum length of coordinate system name */
#define IGTL_QTDATA_TYPE_TRACKER 1 /* Tracker */
#define IGTL_QTDATA_TYPE_6D 2 /* 6D instrument (regular instrument) */
#define IGTL_QTDATA_TYPE_3D 3 /* 3D instrument (only tip of the instrument defined) */
#define IGTL_QTDATA_TYPE_5D 4 /* 5D instrument (tip and handle are defined,
but not the normal vector) */
#ifdef __cplusplus
extern "C" {
#endif
#pragma pack(1) /* For 1-byte boundary in memroy */
/** Status data header for OpenIGTLinik protocol */
typedef struct {
char name[IGTL_QTDATA_LEN_NAME]; /* Name of instrument / tracker */
igtl_uint8 type; /* Tracking data type (1-4) */
igtl_uint8 reserved; /* Reserved byte */
igtl_float32 position[3]; /* position (x, y, z) */
igtl_float32 quaternion[4]; /* orientation as quaternion (qx, qy, qz, w) */
} igtl_qtdata_element;
typedef struct {
igtl_int32 resolution; /* Minimum time between two frames. Use 0 for as fast as possible. */
/* If e.g. 50 ms is specified, the maximum update rate will be 20 Hz. */
char coord_name[IGTL_STT_QTDATA_LEN_COORDNAME]; /* Name of the coordinate system */
} igtl_stt_qtdata;
typedef struct {
igtl_int8 status; /* 0: Success 1: Error */
} igtl_rts_qtdata;
#pragma pack()
/** igtl_qtdata_get_data_size(n) calculates the size of body based on the number
* of qtdatas. The size of body is used in the message header.*/
#define igtl_qtdata_get_data_size(n) ((n) * IGTL_QTDATA_ELEMENT_SIZE)
/** igtl_qtdata_get_data_n(size) calculates the number of qtdatas in the body, based on
* the body size. This function may be used when a client program parses a QTDATA message. */
#define igtl_qtdata_get_data_n(size) ((size) / IGTL_QTDATA_ELEMENT_SIZE)
/** Byte order conversion for an array of QTDATA, STT_QTDATA and RTS_QTDATA data structure
* Converts endianness of each element in an array of igtl_qtdata_element from host byte
* order to network byte order, or vice versa. */
void igtl_export igtl_qtdata_convert_byte_order(igtl_qtdata_element* qtdatalist, int nelem);
void igtl_export igtl_stt_qtdata_convert_byte_order(igtl_stt_qtdata* stt_qtdata);
void igtl_export igtl_rts_qtdata_convert_byte_order(igtl_rts_qtdata* rts_qtdata);
/** Calculates CRC of QTDATA, STT_QTDATA and RTS_QTDATA messages */
igtl_uint64 igtl_export igtl_qtdata_get_crc(igtl_qtdata_element* qtdatalist, int nelem);
igtl_uint64 igtl_export igtl_stt_qtdata_get_crc(igtl_stt_qtdata* stt_qtdata);
igtl_uint64 igtl_export igtl_rts_qtdata_get_crc(igtl_rts_qtdata* rts_qtdata);
#ifdef __cplusplus
}
#endif
#endif /* __IGTL_QTDATA_H */
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