(solved without script)Controlling Wheel on Canon SX 200 IS. for HDR shoots. - Script Writing - CHDK Forum
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(solved without script)Controlling Wheel on Canon SX 200 IS. for HDR shoots.

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Offline hokolomon

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(solved without script)Controlling Wheel on Canon SX 200 IS. for HDR shoots.
« on: 30 / June / 2010, 17:01:21 »
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Hello. I have Canon SX 200 IS. I want to adjust exposure. But I can't control, menu button around wheel in ubasic script.




The click command allows up ,down right and left  button click.
But I want to turn wheel clockwise or anticlockwise in script.


And I can't set exposure without wheel.(Up down left right button.)


How can I control wheel in Ubasic?
« Last Edit: 04 / July / 2010, 10:39:17 by hokolomon »
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Offline hokolomon

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Re: Controlling Wheel on Canon SX 200 IS.
« Reply #1 on: 01 / July / 2010, 18:37:49 »
is it impossible?
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Offline reyalp

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Re: Controlling Wheel on Canon SX 200 IS.
« Reply #2 on: 01 / July / 2010, 19:26:27 »
Quote from: hokolomon on 01 / July / 2010, 18:37:49
is it impossible?
For me to understand your previous post, yes.
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Offline hokolomon

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Re: Controlling Wheel on Canon SX 200 IS.
« Reply #3 on: 02 / July / 2010, 04:09:09 »
Quote from: reyalp on 01 / July / 2010, 19:26:27
Quote from: hokolomon on 01 / July / 2010, 18:37:49
is it impossible?
For me to understand your previous post, yes.
I made changes. Is it understandable?
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Offline zeno

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Re: Controlling Wheel on Canon SX 200 IS.
« Reply #4 on: 02 / July / 2010, 04:31:00 »
I think that is the "jog wheel". In uBasic you can try "wheel_left" and "wheel_right" commands.
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Offline hokolomon

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Re: Controlling Wheel on Canon SX 200 IS. for HDR shoots.
« Reply #5 on: 02 / July / 2010, 17:10:14 »
thank you zeno.

I wrote script, but not working. This is a simple code. I want to 3 expsores (-2EV, 0 EV, +2 EV) for HDR photos.

Code: [Select]

print "Preparing..."

click "up"
sleep 400

wheel_left
sleep 400

wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400
wheel_left
sleep 400

print "Shoot -2 exposure"

shoot

sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400

print "Shoot 0 exposure"

shoot

shoot

sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400
wheel_right
sleep 400

print "Shoot +2 exposure"

shoot


end

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Offline m*sh

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Re: Controlling Wheel on Canon SX 200 IS. for HDR shoots.
« Reply #6 on: 03 / July / 2010, 02:10:37 »
As I understand, you might be better off using bracketing. See Manual Page 11 and 49.

Another option to do this is using a raw/DNG-File and applying different exposure settings on your computer (e.g. using "ufraw") in order to create HDRs. The latter has the advantage that you do not need a tripod or align several images afterwards.
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Offline hokolomon

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Re: Controlling Wheel on Canon SX 200 IS. for HDR shoots.
« Reply #7 on: 03 / July / 2010, 17:15:52 »
First thank you m*sh.

I want to 3 continious different shoots(-2 ev, 0  ev and +2 ev) not using tripod. And not using raw format.
(I want jpeg file format)

I saw manual, (fulll manual)  don't find  needed information.
« Last Edit: 03 / July / 2010, 17:18:17 by hokolomon »
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Offline reyalp

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Re: Controlling Wheel on Canon SX 200 IS. for HDR shoots.
« Reply #8 on: 03 / July / 2010, 17:23:48 »
jogdial control should work on this camera, but it would make more sense to control exposure directly in the script, or use bracketing in continuous mode.
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Offline hokolomon

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Re: Controlling Wheel on Canon SX 200 IS. for HDR shoots.
« Reply #9 on: 03 / July / 2010, 17:26:18 »
I didn't understand "bracketing"  term. I am newbie for professional.. :'(
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