What is the best script for Time-Lapse Astropphotography??? - page 3 - Script Writing - CHDK Forum

What is the best script for Time-Lapse Astropphotography???

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Re: What is the best script for Time-Lapse Astropphotography???
« Reply #20 on: 22 / October / 2012, 00:06:41 »
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This script gives me an error. It says the camera is shaking (should I turn that off manually?) And I get a yellow square in the middle of the screen with an exclamation point.
Nothing to do with the script.  That's your camera telling you that you need a steady mount (like a tripod) to take long exposures.
Ported :   A1200    SD940   G10    Powershot N    G16

Re: What is the best script for Time-Lapse Astropphotography???
« Reply #21 on: 22 / October / 2012, 00:16:33 »
unfortunately, it was on a tripod, but there were fast-moving clouds. Maybe that's what was setting off the warning.

Re: What is the best script for Time-Lapse Astropphotography???
« Reply #22 on: 22 / October / 2012, 00:20:51 »
unfortunately, it was on a tripod, but there were fast-moving clouds. Maybe that's what was setting off the warning.
Strange.  Did it take pictures regardless of the warning ? 

Normally the Canon cams might give the "moving hands" warning icon at slow shutter speeds but you can ignore that.  A yellow error message usually means it could not take a shot - often because it could not focus.

What camera are you using ?

Ported :   A1200    SD940   G10    Powershot N    G16

Re: What is the best script for Time-Lapse Astropphotography???
« Reply #23 on: 22 / October / 2012, 08:23:07 »
Canon Powershot ELPH 300

Another question. In these scripts, what are the commands for taking JPGs versus taking RAW? Are they different between BAS and LUA?


Re: What is the best script for Time-Lapse Astropphotography???
« Reply #24 on: 22 / October / 2012, 10:08:24 »
Another question. In these scripts, what are the commands for taking JPGs versus taking RAW? Are they different between BAS and LUA?
The camera always takes JPG - there is no way to turn that off.

In uBASIC  Raw/DNG is enabled  with
set_raw 1
and disabled with
set_raw 0

In LuaRaw/DNG is enabled  with
set_raw(1)
and disabled with
set_raw(0)

You might find this page interesting.

http://chdk.wikia.com/wiki/CHDK_Scripting_Cross_Reference_Page
Ported :   A1200    SD940   G10    Powershot N    G16

Re: What is the best script for Time-Lapse Astropphotography???
« Reply #25 on: 22 / October / 2012, 11:07:45 »
unfortunately, it was on a tripod, but there were fast-moving clouds. Maybe that's what was setting off the warning.
Strange.  Did it take pictures regardless of the warning ? 

Normally the Canon cams might give the "moving hands" warning icon at slow shutter speeds but you can ignore that.  A yellow error message usually means it could not take a shot - often because it could not focus.

What camera are you using ?



Just found that and I have to note: for example sx130is takes picture even when it can't find focus. The yellow frame with '!' sign is displayed, but you can still take photo with shutter button.
if (2*b || !2*b) {
    cout<<question
}

Compile error: poor Yorick

Re: What is the best script for Time-Lapse Astropphotography???
« Reply #26 on: 22 / October / 2012, 11:48:07 »
Just found that and I have to note: for example sx130is takes picture even when it can't find focus. The yellow frame with '!' sign is displayed, but you can still take photo with shutter button.
Sound like being able to force manual focus to infinity would be good here but it seems almost every camera does that differently.
Ported :   A1200    SD940   G10    Powershot N    G16

Re: What is the best script for Time-Lapse Astropphotography???
« Reply #27 on: 22 / October / 2012, 13:22:37 »
I swear I had focus set to infinity. I'll try it again.

"The camera always takes JPG - there is no way to turn that off."

Except when RAW is on, correct? It's either one or the other? (I'm just debating if I want to work with RAW or not.)

"You might find this page interesting.
http://chdk.wikia.com/wiki/CHDK_Scripting_Cross_Reference_Page"

Ooh, perfect. Thanks!  8)


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Offline reyalp

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Re: What is the best script for Time-Lapse Astropphotography???
« Reply #28 on: 22 / October / 2012, 16:29:52 »
Except when RAW is on, correct? It's either one or the other? (I'm just debating if I want to work with RAW or not.)
No, when CHDK raw is enabled, the jpeg is still saved, the raw is an additional file. On the few cameras where the Canon firmware supports raw natively, I think you can shoot raw only.
Don't forget what the H stands for.

 

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