GR3e app for iPhone and iPad

4.3 ( 5703 ratings )

Utilities Medical
Developer: kitasato

Free

Current version: 3.0, last update: 7 years ago
First release : 30 Sep 2011
App size: 474.32 Kb

GR3e: Gyro-kun v.3.0

This application records, displays and sends by mail the 3-axis
data of acceleration, rotation rate and attitude.
Rotation rate and attitude are available only for iPhone4 or later.
Acquired data of maximum one minute is sent to the specified
mail address as an attached file with CSV (comma-separated value)
format.
Sampling rate is 50 samples per second (50Hz).
Units of data are

Acceleration G
Rotation rare deg/sec
Attitude deg

Saved files are downloaded from the device via iTunes file sharing
fascility.

Buttons are (from left to right):
1 ID: setting
2 START / STOP: Start or Stop of measurement
3 REC on/off: On /off of saving into file
4 F/H/V: Position of the device (Flat, Horizontal or Vertical)

* Function of buttons
On Measure
STOP: stop measurement
On Stop
ID input: setting ID
START:start measurement
REC on/off
on/off by long push
REC on: Data is
automatically saved
in a file
(Professional version
only)
H/V/F button
H: Horizontal mode
V: Vertical mode
F: Flat mode

* MENU is displayed on STOP by Tapping

Statistics of data
Graphical Plot
Graph of 20sec data
Pinch-in/out & Scrollable
Recording Time
5,10,15,20,30,60sec
selectable
Send by Email
File:
Listing of saved files
HELP

The attached file name is given as the year-date-time when the
measurement was stopped.
Sampling frequency is set to 50Hz.
Maximum length of data is one minute (3000 samples).
Format of data file is CSV.

Example of data:

iPhone Motion data,,, 2011-0305-220721.csv
Acceleration (G),,,Rotation rate (rad/sec),,,Attitude (rad)
Ax,Ay,Az,Gx,Gy,Gz,Px,Py,Pz
0.102,-0.747,-0.632, 3.160,4.136,0.272, -0.030,0.678,-0.046
0.148,-0.763,-0.552, 3.160,4.136,0.272, -0.030,0.678,-0.046
0.146,-0.745,-0.419, 4.243,5.394,0.625, 0.053,0.748,-0.035
0.125,-0.756,-0.300, 4.778,6.012,0.865, 0.103,0.791,-0.029
0.162,-0.823,-0.273, 5.685,7.131,1.234, 0.220,0.892,-0.022
0.254,-0.878,-0.273, 5.685,7.131,1.234, 0.220,0.892,-0.022
0.343,-0.934,-0.274, 6.056,7.838,1.271, 0.294,0.948,-0.026
0.383,-0.957,-0.284, 6.599,8.945,1.177, 0.490,1.065,-0.071
.................