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Drivelapse script

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Offline waterwingz

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Re: Drivelapse script
« Reply #30 on: 16 / November / 2012, 08:55:00 »
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Quote from: kyoleung on 16 / November / 2012, 08:44:27
all default values,  set the Interval as 1 second.
Both times turned out the scripts took photos roughly every 3 seconds.
Its unlikely you will get any script to take pictures at a once per second rate. However,  things that affect the rate include the speed of your SD card, the compression settings you use and whether or not you are trying to take RAW picitures.
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline lapser

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Re: Drivelapse script
« Reply #31 on: 16 / November / 2012, 17:37:55 »
Quote from: kyoleung on 16 / November / 2012, 08:44:27
My camera is IXUS 850 and I have followed all the instructions,
all default values,  set the Interval as 1 second.
I run the script for two times,  indoor with medium lighting.
Both times turned out the scripts took photos roughly every 3 seconds.
The spec on that camera for continuous shooting is 1.7 pictures per second. That's without measuring brightness or changing exposure between shots. I've been experimenting with just metering brightness without taking a picture, and that takes 1.3 seconds. That adds up to 3 seconds per picture, which is the best you can do.

If you want to take pictures as fast as you can using the exposure measurement from the first picture, put your camera in continuous drive mode, where you hold down the shutter and it takes multiple pictures until you let it up. Than, you can run this script to hold the shutter down for you:
Code: (lua) [Select]
press("shoot_full")
while(true)do sleep(1000) end
« Last Edit: 16 / November / 2012, 17:39:29 by lapser »
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Offline kyoleung

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Re: Drivelapse script
« Reply #32 on: 18 / November / 2012, 22:39:09 »
Hi  lapser  & waterwingz ~ thx for your inputs~

Here is my setting,
> RAW saving is disabled
> Continuous Shooting Mode enabled
> IS Mode Off
> AiAF Off
> Normal Compression
> Size 640 x 480
> the SD Card is class 6

I try to put the camera into basic mode that aims to get the fastest operation for time-lapse.

Please advise if my setting is ok~


And lasper, where to insert your code in the original  coding ?

Code: lua [Select]
********************
press("shoot_full")
while(true)do sleep(1000) end
********************
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Offline waterwingz

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Re: Drivelapse script
« Reply #33 on: 18 / November / 2012, 22:46:27 »
Quote from: kyoleung on 18 / November / 2012, 22:39:09
Here is my setting,
> RAW saving is disabled
> Continuous Shooting Mode enabled
> IS Mode Off
> AiAF Off
> Normal Compression
> Size 640 x 480
> the SD Card is class 6
Looks good to me.

Quote
And lasper, where to insert your code in the original  coding ?
Code: [Select]
press("shoot_full")
while(true)do sleep(1000) end
That's the whole script - replace everything with that.  Although to be frank,  you don't need a script or CHDK at all here.  Just put your camera into continuous drive mode and press the shutter button.

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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline lapser

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Re: Drivelapse script
« Reply #34 on: 19 / November / 2012, 00:42:21 »
Quote from: kyoleung on 18 / November / 2012, 22:39:09
And lasper, where to insert your code in the original  coding ?
I just posted a complete script that holds down the shoot_full button as above. It also toggles the backlight off and on to save battery.
http://chdk.setepontos.com/index.php?topic=8971.msg93438#msg93438

Click on "select" at the top of the code where you see:  Code: lua [Select]
Then copy (control C) and paste into a text editor (i.e. notepad). Save it with the name "CShooter.lua" and copy it to the CHDK/SCRIPTS folder on you SD card.

Further comments should be in the new thread.
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Offline waterwingz

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Re: Drivelapse script - bug fix
« Reply #35 on: 15 / June / 2013, 14:56:25 »
Noticed a small bug in how the script calculates remaining time for the status display.  Fixed and posted here.  Also updated the wiki version.
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Ported :   A1200    SD940   G10    Powershot N    G16
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