Difference between revisions of "Working with RAW files in CS2"

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Revision as of 19:57, 13 July 2006

Working with RAW panorama source files (German CS2 images)

Working within CS2, click File->Open and then navigate to the panorama's source images. Select the relevant source files and click Open.

0cs open.jpg

A window will open with thumbnailed pictures on the left and the selected picture in the middle. On right hand side are tabs with the images' parameters and adjustment sliders.

1cs open.jpg

First check the colour temperature. You should select all pictures on the left side for this action (standard selection commands f.e. Ctrl+A for all), because the color temperature has to be the same for all pictures of your panorama.

Temp1.jpg Temp2.jpg

Use the temperature slider to select the color temperature If you prefer, you select one of the presets

After that, check the exposure. CS2 automatically set the exposure tabs on Auto. Search for your key pic in the left row and tab it with the mouse. Uncheck the "Auto" and look at the result.

Adjust exposure by moving the exposure slider (Belichtung) on the right site: If you use the Alt key you will see the clipped bright parts on black background, moving the first slider exposure; Same for shadows (Tiefen), you will find the clipped dark parts on white background.

Exp1.jpg Exp2.jpg

You can check Shadows and/or Highlights checkbox on top to see clipped areas permanently

Exp4.jpg


Now you may correct other parameters in the detail tab:

Sharpening and color noise reduction

Sharp.jpg

Sharpening: zoom in 400% and play with the sharpening slider(Sch�rfe). Look for the shadows, noise might be best visible there.

Noise.jpg

Go to the second slider Luminance Smoothing (Luminanzgl�ttung): This will reduce noise without in the luminance (brightness) channel.

Noise2.jpg

Color Noise Reduction (Farbst�rungsreduktion) will reduce the noise just in the color channels.

Ca1.jpg

Chromatic aberration in the Lens tab: Detailed information about CA on Chromatic aberration

Vignetting

Vignetting.jpg

A very powerful tool is the vignetting control: Select all pictures on the left side and move the vignetting "Amount" slider until the picture looks right.

Options and saving the pictures

Op1.jpg

Lastly, set the options for Space, Size, Depth and Resolution.

Save.jpg

Once you are satisfied with the modifications that you have made, save all the images in a batch process. Click on Save 5 images... (5 Bilder speichern...)

Save2.jpg

Select the destination folder or create a new one. Modify the file naming scheme for the images to your need and select the required file format.

See RAW dynamic range extraction for information on how to extract the full dynamic range from RAW files.

        Florian Bertzbach

...faszination fotografie