Histogram - page 6 - General Discussion and Assistance - CHDK Forum
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Histogram

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Offline philmoz

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Re: Histogram
« Reply #50 on: 19 / January / 2013, 15:55:39 »
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Quote from: lapser on 19 / January / 2013, 15:34:22
[EDIT] Can someone check to see if the G11 active area is correct? Thanks.

Active area for S95
    #define CAM_ACTIVE_AREA_X1              64
    #define CAM_ACTIVE_AREA_Y1              22
    #define CAM_ACTIVE_AREA_X2              3728
    #define CAM_ACTIVE_AREA_Y2              2762

Active area for G11
    #define CAM_ACTIVE_AREA_X1              16
    #define CAM_ACTIVE_AREA_Y1              8
    #define CAM_ACTIVE_AREA_X2              3692
    #define CAM_ACTIVE_AREA_Y2              2776


Shoot a blank light colored wall and save as a .DNG file in CHDK. Upload the .DNG image from each camera to a file sharing site and I can check the active area values.

Phil.
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CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)
  g7x2 (1.01a, 1.01b, 1.10b)
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Offline pigeonhill

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Re: Histogram
« Reply #51 on: 19 / January / 2013, 16:26:06 »
philmoz

Will do, but I'm being thick, having never bothered with .DNG.

I have enabled CHDK RAW and .DNG and created the badpix file, but I only seem to capture normal Canon RAWs.

Could you give me a pointed to capturing in camera .DNG files please.

Cheers

Garry
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Offline pigeonhill

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Re: Histogram
« Reply #52 on: 19 / January / 2013, 16:37:29 »
Philmoz

Can save OK on S95, but for some reason G11 does not generate .DNG.
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Offline philmoz

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Re: Histogram
« Reply #53 on: 19 / January / 2013, 16:37:58 »
Quote from: pigeonhill on 19 / January / 2013, 16:26:06
philmoz

Will do, but I'm being thick, having never bothered with .DNG.

I have enabled CHDK RAW and .DNG and created the badpix file, but I only seem to capture normal Canon RAWs.

Could you give me a pointed to capturing in camera .DNG files please.

Cheers

Garry

In the CHDK RAW menu set:
Save RAW = on
RAW File in Dir with JPEG = on
DNG format = on
'DNG' file extension = on
DNG version = 1.3

You may need to copy the .DNG files from the card with a card reader as they may not be visible when connecting the camera via USB.

Phil.
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CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)
  g7x2 (1.01a, 1.01b, 1.10b)
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Offline pigeonhill

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Re: Histogram
« Reply #54 on: 19 / January / 2013, 16:47:00 »
Just looked at the S95 EXIF data.

Is this what you wanted to check?

Sensor Width   3,744
Sensor Height   2,784
Canon Sensor Info 0x0003   1
Canon Sensor Info 0x0004   1
Sensor Left Border   72
Sensor Top Border   24
Sensor Right Border   3,719
Sensor Bottom Border   2,759
Black Mask Left Border   40
Black Mask Top Border   24
Black Mask Right Border   43
Black Mask Bottom Border   2,759
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Offline pigeonhill

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Re: Histogram
« Reply #55 on: 19 / January / 2013, 16:50:39 »
Here's the G11 equivalent data set:
Sensor Width   3,744
Sensor Height   2,784
Canon Sensor Info 0x0003   1
Canon Sensor Info 0x0004   1
Sensor Left Border   24
Sensor Top Border   28
Sensor Right Border   3,671
Sensor Bottom Border   2,763
Black Mask Left Border   3,732
Black Mask Top Border   28
Black Mask Right Border   3,735
Black Mask Bottom Border   2,763
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Offline pigeonhill

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Re: Histogram
« Reply #56 on: 19 / January / 2013, 16:52:38 »
For some reason G11 .DNG just doesn't seem to work.
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Offline philmoz

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Re: Histogram
« Reply #57 on: 19 / January / 2013, 21:29:47 »
Quote from: pigeonhill on 19 / January / 2013, 16:52:38
For some reason G11 .DNG just doesn't seem to work.

Do you also have the built in Canon RAW enabled - if so try turning it off.

Phil.
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CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)
  g7x2 (1.01a, 1.01b, 1.10b)
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Offline pigeonhill

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Re: Histogram
« Reply #58 on: 19 / January / 2013, 23:02:53 »
It is enabled on the S95 and this creates a .dng.

I will do further checking tomorrow.

Cheers

Garry
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Offline philmoz

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Re: Histogram
« Reply #59 on: 19 / January / 2013, 23:25:26 »
Quote from: pigeonhill on 19 / January / 2013, 23:02:53
It is enabled on the S95 and this creates a .dng.

I will do further checking tomorrow.

Cheers

Garry

There's some code in CHDK that may be disabling it's RAW/DNG functionality if the Canon RAW is enabled on the G11. The S95 works differently so this does not apply.

Phil.
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CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)
  g7x2 (1.01a, 1.01b, 1.10b)
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