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Interval photography

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Interval photography
« on: 11 / October / 2011, 23:34:45 »
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Hi,
Some friends and I are working on sending up a weather balloon with a camera. We are looking to have the camera take photos every few seconds and need this software to do it. We are using a PowerShot A470, and have successfully uploaded the CHDK software onto the SD card. From here I am a little lost on how to get the camera to take pictures every few seconds for a couple of hours. Do I need another Script in addition to what is currently on there or is it already there? If I needed another script how would I go about doing this? I used a 16GB SD card, so I had to create 2 partitions with the separate files on them. Any ideas/help would be greatly appreciated.
Thanks,
Jamie

Re: Interval photography
« Reply #1 on: 12 / October / 2011, 06:52:53 »
From here I am a little lost on how to get the camera to take pictures every few seconds for a couple of hours. Do I need another Script in addition to what is currently on there or is it already there?
There is a simple intervalometer script that does exactly what you ask included in the most recent versions of CHDK.  Look on the SD card under CHDK/SCRIPTS/4Pack/Lua/interval.lua  or CHDK/SCRIPTS/4Pack/uBasic/interval.bas  (same script - different scripting languages).

There are more complicated scripts posted on the wiki and forum.  Search for "intervalometer" and find things like :  http://chdk.wikia.com/wiki/UBASIC/Scripts:_Ultra_Intervalometer.  You need to copy these script to your SD card ( typically the /CHDK/SCRIPTS directory) and load them from the script menu.  Don't forget to add a .lua or .bas extension to the filename as appropriate.

If you want to try something other than CHDK,  there is a different program called SDM that also supports some of the CHDK type functions - google for it.

Also,  please don't cross post the same message to more than one thread.  The people who can answer your questions tend to monitor all new postings.


« Last Edit: 12 / October / 2011, 07:06:54 by waterwingz »
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