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CHDK Wiki tutorial Wiki

Testing the time-lapse (intervalometer) feature

http://chdk.wikia.com/wiki/UBASIC/Scripts

Load the script 'time_lapse.bas'.

The default parameter settings produce a delay of 10 seconds and then take 3 photos at 5 second intervals. For these tests we are pressing the shutter button unless stated otherwise. Single shots, no bracketing.

For the following, make sure camera is in ordinary, single-shot mode. If not, a warning message will be displayed and the script will end.

A) Default script Start the script. After 10 sec delay, 3 photos at 5 sec intervals taken. Press shutter to finish, press ALT button to exit. B) Endless mode

Set 'endless mode' parameter to '1' and start script. Press shutter button to stop script and ALT to exit. Set 'endless mode' parameter to '0'

C) Single shots with screen blank Set 'blank screen' to '1' and start script. This may not work on all cameras.

D) Single shots with interval longer than 10 secs and with screen blank

Set 'shoot interval second' to 15 and start script.

LED will flash every 10 secs to show script is running.

E) Single shots with auto-shutdown

Set 'blank screen' to '0' and 'shutdown' to '1'. Start script. Camera will shutdown on completion.

This may not work on all cameras.

F) Single shots with USB start and auto shutdown


This could be used with a kite, model aeroplane or balloon.
Connect your USB switch,set 'shutdown' to '2'and start script.
Press USB switch to start sequence.
Camera will shutdown on completion.

This may not work on all cameras.

G) Single shots with USB start and USB shutdown


This could be used with a kite, model aeroplane or balloon.
Set 'endless mode' parameter to '1' and start script. Press USB switch to start sequence. Press USB switch to stop sequence.
Camera will shutdown after next shot is taken.
This may not work on all cameras.

H) Single shots with USB start,USB shutdown and blank screen

This could be used with a kite, model aeroplane or balloon.
Set 'blank screen' to '1' and start script.
Press USB switch to start sequence.
Press USB switch to stop sequence. Camera will shutdown after next shot is taken. This may not work on all cameras.
Set 'blank screen','shutdown' and 'endless mode' to '0'.


I) Long exposures
Although it is up to the user to set a suitable interval between shots, SDM enforces a minimum interval if necessary.
For exposures up to 0.5 sec, the minimum one second shooting-interval may be used.
For exposures 0.6 to 1 second, a minimum interval of two seconds is set.
For exposures longer than one second, the minimum interval is 4x the shutter speed.
e.g for 1.3 sec the interval will be 5 seconds (the exposure time is 1.3 + 1.3 for dark correction = 2.6 seconds).


Shots with Tv bracketing (continuous-shooting mode)


In continuous-shooting mode, bracketing is always alternate exposures (not lighter or darker). You can set 3 to 19 bracketing exposures per shot. If you enter an even number of bracketing exposures it will be forced to the lower odd number.
If the camera is not set to continuous-shooting, a warning message will be displayed and the script will end.
In all bracketing modes (Tv and focus) you can save the values to a file by setting script parameter 'save stack' to '1'.
If this feature is enabled, the word 'Log' will be displayed on the right of the screen.
Each bracketing sequence is assumed to take at least 2 X number-of-bracketing shots.
i.e. 3 bracketing shots are assumed to take 6 seconds.
If you try to set an interval between shots shorter than this, it will be overriden by the above value.
RAW images may take longer, you should set a suitable minimum interval.
A) Set camera to continuous-shooting mode


Set 'save stack' to '1', 'num of 1/3 EV steps' to '3', 'bracket exposures' to '3', 'single/cont/timer' to '1'.
Start script.
On completion, the approximate time required for one bracketing sequence will be indicated.
This is particularly useful when doing auto focus-bracketing.
In the CHDK/STACKS folder there will be a text file showing the Tv settings used for the bracketing sequence.

Hacer videos con tripletas HDR:

Quote from: barret on 15 / February / 2009, 13:32:04


How can i do this automagically (batch)?



Download Hugin
http://downloads.sourceforge.net/hugin/hugin-0.7.0_win32-setup.exe?modtime=1224543831&big_mirror=0
Choose the option to just install Enfuse\Enblend and the droplets.

On your desktop, create a shortcut to 'enfuse_droplet.bat'.

Mine looks like this "C:\Program Files\Hugin\bin\enfuse_droplet.bat"

Put your images into a folder, drag the folder onto the shortcut and when asked enter '3' for the number of images in Each bracket.

i have just tried it, works fine.