Recording and playing camera paths
Gaia Sky offers the possibility to record camera paths out of the
box in real time and later play them. These camera paths go to a
text file in the
temp folder of your system.
Camera path file format
The format of the file is pretty straightforward. It consists of a
csv file with white spaces as delimiters, each row containing the
state of the camera and the time. The state of the camera
consists of 9 double-precision floating point numbers, 3 for the
position and 3 for the direction vector and 3 for the up
The reference system used is explained in the Internal reference system section. The units are .
The format of each row is as follows:
long- Time as defined by the
double x3- Position of the camera.
double x3- Direction vector of the camera.
double x3- Up vector of the camera.
Recording camera paths
In order to start recording the camera path, click on the
button next to the Camera section title in the GUI Controls window. The
REC button will turn red , which indicates the camera is being
In order to stop the recording and write the file, click again on
REC button. The button will turn grey and a notification
will pop up indicating the location of the camera file. Camera files are
by default saved in the
Playing camera paths
In order to play a camera file, click on the
PLAY icon next to the
REC icon. This will prompt a list of available camera files in the
You can also combine the camera file playback with the frame output system to
save each frame to a
JPEG image during playback. To do so, enable the Activate frame output automatically
checkbox in the preferences dialog as described in the Camera recording section.