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# Specifying a Colour Management Operator

To apply colour management to a clip, you must first specify the type of operation to perform in the LUT Editor. You can:

- Apply a preset LUT and then modify its values.
- Choose an operator type. Depending on the type you choose, you can either import a baked operator or modify its values.

## Applying a Preset

1. Select an option from the Presets box in the LUT Editor.
2. Confirm that you want to replace the existing settings.

   The Conversion LUT Type and the field values are all updated with preset conversion parameters. In ConnectFX, a note is added with a description of the preset's usage.

3. If desired, modify the curve values as described in Modifying Basic Conversion LUT Curves and Advanced Editing of the Conversion LUT Curve.

TipTo make your own preset available, save a setup to the /lut/presets subfolder of the application home directory. This does not work with 3D LUTs.

## Choosing an Operator Type

1. Select an output bit-depth option from the Destination box in the LUT Editor.
2. Select an option from the LUT Type box.

   Select: | To:
   --- | ---
   Colour Transform | Apply a colour transform based on the Academy/ASC colour transform XML format.
   PhotoMap | Begin with a default curve for tone mapping.
   3D LUT | Import a 3D LUT. Note that 3D LUTs are not available for floating-point values.
   1D LUT | Import a 1D LUT. Note that some 1D LUTs are intended for integer values and others are intended for floating-point values.
   EXR Display | Begin with a default curve for tone mapping.
   Gamma | Begin with a default curve for modifying linear data.
   Lin to Log | Begin with a default curve for converting linear or video data to logarithmic data.
   Log to Lin | Begin with a default curve for converting logarithmic data to linear or video data.

3. Do one of the following:
   - If you chose 1D LUT or 3D LUT, import a LUT operator.
   - If you chose Colour Transform, you can import an colour transform operator. Alternatively, you can define a custom colour transform — see Building Custom Colour Transforms.
   - If you chose any other option, you can modify the curve values as described in Modifying Basic Conversion LUT Curves and Advanced Editing of the Conversion LUT Curve.

## Importing an Operator

1. Click Import.

   The file browser appears.

2. Locate and select the file that you want to import. See Colour Management Files and Locations.

   When importing a colour transform, see Autodesk Colour Transform Types for a description of the available categories.

   You are returned to the LUT Editor. The LUT name appears in the field next to the Import button.

   - When you import a 1D LUT, the conversion curves appear in the LUT Editor. You can modify them only with the Advanced settings.
   - When you import a colour transform, information about the transform and the operations it contains appears in the LUT Editor.