.. index:: pair: Tomographic Contrast; Settings .. _tomocontrastsettings: Tomographic Contrast ==================== These contain customisable options for the :ref:`tomocontrast`. Available settings are: * **Search Slices**: Number of image slices to search from sphere starting points * **Search window px**: Number of pixels to search from sphere starting points * **Sphere angles**: Comma delimited list of sphere angles starting at horizontal right and going counterclockwise. * **Sphere diameters mm**: Comma delimited list of sphere diameters in mm corresponding to the **sphere angles** * **UFOV ratio**: Defines the Useful Field Of View (UFOV) over the phantom as a ratio of the phantom outline.