Image
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ToneUp has a number of tools that can be used to adjust the image.  
 
Saturation / Channel Mixer  
 
The Saturation slider allows the user to reduce or boost the colour saturation of the image from zero to double the normal value.  
 
The Channel Mixer is an important tool as it defines how ToneUp mixes Red, Green and Blue to work out the luminance of a pixel. As you adjust the Channel Mixer you will notice the values change colour, from blue to red. This is to indicate the change in luminance when compared to the original image. If the colour is Blue the images overall luminance has been reduced. If the colour is Red the images overall luminance has been increased.  
 
White Balance  
 
The White Balance tool is used to adjust the temperature of the image. ToneUp will attempt to determine what setting the shot was taken with (shown by the "As-Shot" slider) and allow you to set a new temperature (using the "New White Balance" slider). You can also use the 'Estimate' button to ask ToneUp to analyse the image and calculate the optimal setting.  
 
Brightness / Contrast / EV  
 
This tool allows you to adjust the brightness, contrast and exposure of the image.  
 
Color Balance  
 
This tool allows you to adjust the color balance of the image. For example, if the image has a slight green tint to it you could remove some of the green by moving the green slider to the left.  
 
The 'Maximise' button will set the sliders to the maximum values for each channel without blowing out any of the pixels.  
 
Sharpness  
 
This tool allows you to increase or decrease the sharpness of the shot.  
 
Pixel / Curve Info  
 
The Pixel Info window shows two number for each channel (R, G, B). The first number is the pixels value in the processed image. The second value is the pixels value in the original image.  
 
The Curve Info shows the X and Y coordinates of the current Node.  
 
Show lost pixels  
 
When either of the lost pixel tools are active the currently loaded images are rendered at a reduced brightness to allow easy identification of the relevant pixels.  
 
 
daffs  
 
Highlights  
 
The Highlights tool will indicate which pixels have reached their maximum value, and can therefore not be brightened any further. Any increase will result in losing information.  
 
The tool indicates the three channels (Red, Green and Blue) seperately. For example, using the image above, the highlights tool will indicate that the red channel of the flower has reached its maximum value. This means that any brightening of the image will result in a change of colour for the flower, since the red channel cannot be increased any more (but the green and blue can be).  
 
daffs_highlights  
 
Shadows  
 
The shadows tool shows any pixel that has reached its minimum value, ie 0. Like the highlights tool it works on each channel seperately. In the image below you can see that the blue channel in various parts of the image have reached zero. Darkening the image in these parts will result in lost information and a change in colour (since the blue channel can not be reduced any further but the Red and Green can be).  
 
daffs_shadows  
 
Rotate Image  
 
This option allows you to rotate the currently selected image clockwise or anti-clockwise.  
 
Disable All Tools  
 
This option will disable or enable all tools. This is very useful for comparing the current alterations to an image.  
 
Pixel Format  
 
This option allows you to select how the Red, Green and Blue data is mapped during processing. This has uses during Infrared processing.  
 
Image Size  
 
This option allows you to resize the currently selected image. You can select either 'Pixels' or 'Percentage'.  
 
The image dimensions will remain in proportion while you have 'Maintain Aspect Ratio' checked.  
 
Image Settings  
 
Each image in ToneUp stores its own settings (brightness, contrast etc). These collectively, settings can be viewed as post-processing techniques similar to film developing techniques.  
 
If you are working with a RAW image these settings are automatically saved along with original file, but you can also save the settings seperately allowing you to create 'favorite' post-processing techniques, for example a Black&White process.  
 
Open  
 
This option loads a setting file and applies it to the currently selected image  
 
Save  
 
This option allows you to save Image Settings seperate to RAW images, allowing them to be loaded and applied to any image  
 
Clear All  
 
This option resets all Settings back to their default values  
 
Extract from Raw  
 
This option allows the users to copy Image Settings from a RAW file on disc.  
 
Remove from Raw  
 
ToneUp can save its Image Settings along with RAW files. This option allows you to remove these settings and return the RAW file to its original state.  
 
Please refer to the Image Settings section for more information