RAW Files Page
Decoding RAW digital photos.
To see yours RAW files that are into the source folder, select Show Raw files into the menu View or click on the Raw files button into the status bar.
At the first use Oqapy must extract the preview of all the files and create the thumbnails for the trailer. This may take some time, so be patient.
The image displayed into the viewer is a preview as indicated into the header of the viewer.
Into the tool panel open the Raw Files Page to process to the demosaicing of the image.
Image informations
This tool box display the essential informations of the image. The Raw width and Raw height are the real sizes of the original image and the Width and Height are the final sizes after decoding the image. The Images number indicate the number of the raw image into the file, for example, Fuji Super CCD SR cameras generate a second image underexposed to show detail in the highlights.

Histogram
This tool box display the color histogram of the decoded image.

Parameters
If there's more than one raw image into the file use the option Image n° to choose the image you want to decode.
The White balance has three options; the camera's setting provided with the file, the average computed on the entire image and the custom settings.
With the Custom settings you can play with the level of red and blue. Use low values to begin.
The Interpolation setting has five options:
- Bilinear a high-speed, low-quality interpolation.
- VNG Variable Number of Gradients interpolation.
- PPG Patterned Pixel Grouping interpolation.
- AHD Adaptive Homogeneity-Directed interpolation.
- RGB as four color Use this if the output shows false 2x2 meshes with VNG or mazes with AHD.
More informations on Wikipedia.
With the Color setting you can choose the output color profile. The mode sRGB D65 is usually the good choice.
Gamma curve If you want to generate a linear 16-bit file check mark the option Linear 16-bit. The image generated will be more dark than an 8-bit gamma corrected.
Cleanup color artefacts Check mark this option to clean the image after interpolation and set the number of passes.
If needed, you can substract a dark from the image with the option Substract a dark frame. The dark frame must be a RAW file made with the same camera.
Click on the button Apply to run the demosaicing.

When the demosaicing is finished the new image replace the preview into the viewer and the header of the viewer, now, display the name of the new file.
On the right of the file name, it is a button to save the image on the disk. This is a "quick save" feature, the image is saved in TIFF format with the metadata of the original image. For more options you have to use the Export tool box.