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Calcheck Chart The Calcheck Chart data type is where charts are configured and stored for use in colour validation checks. The charts are comprised of user-­‐created or imported colour patches, along with target standards and tolerances. These items are saved to the database and can be used and/or adjusted at any time. The Calcheck Chart is then assigned to a Press and used in conjunction with the Displays application to provide a validation check for a softproofing monitor. Once the chart is setup, it normally requires no further changes; the standards to be used are saved with the chart. The window shows a list of the patches on the right and colour information on the left. For each patch selected its Lab values, delta tolerance and patch type can be adjusted. The overall target preferences are specified in the lower half of the left panel. Toolbar Options • New Colour – Create a new colour in the list with default* values. Values and colour names can be adjusted as desired. • Delete Colours – Deletes the selected colours from the list. • Duplicate Colours – Makes copies of the selected colours. Use shift or control keys for multi-­‐selection. • Rename Colours – Pops up a renaming window, allowing for name changes on one or more colours simultaneously. • Import Patches from Files* -­‐ Import a patch set from a colour data file, such as those of colour standards or ICC profile makers. • Reorder Patches – Reorder the patches. Selecting this will display another window to select one or more colours and drag them into a new order. Use the up and down arrow keys and shift or control to multi-­‐select. • Generate Patches from ICC – Select an ICC profile from which to create a set of patches. Selecting this option displays a file chooser to select an ICC profile. A prompt will appear for the number of patches to generate. The minimum number is 16 and maximum is 512. • Add Colours From Library – Add colours to the currently selected Calcheck Chart from a Special Colour Set. *Note: When creating or importing new colours, they are stored with the default tolerance settings. This is user configurable and should be set before the patch set is created. Patch Definition On the left are a series of controls used to define each patch. Selecting a patch from the list will load the colour into the colour match box at the top and load the Lab/CMYK values into the respective fields. To change the value, simply type the new number into the relevant field. •
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Lab (or CMYK) – The Lab (or CMYK) value for the selected colour. e tolerance – Set the maximum e value for the selected colour. H tolerance – Set the maximum H value for the selected colour. C tolerance – Set the maximum C value for the selected colour. Patch Type – Identify important patch types from the set. The options are: o Paper – Select the patch that represents the paper being checked. o Cyan/Magenta/Yellow/Black – Identify a patch for each colour from your set. o Gray – Used to identify gray patches in the chart. o Generic – Most patches are generic and are classified as generic if they don’t fall into one of the above types. Note: When generating patches from an ICC profile, the patches are automatically assigned the correct type. Serendipity Software -­‐ Veripress User Manual – Version 5.3 29