CoPrA | Quick Start Guide

Quick Start Guide

Get started with CoPrA

Quick Start Guide

Introduction

Thank you for choosing CoPrA.

CoPrA, the ultimate profiling solution
The ColorLogic color management philosophy is a simple set of tools with highly powerful options. CoPrA creates printer, DeviceLink and SaveInk profiles with Multicolor options for typical day-to-day color management challenges with a few clicks. The clear and concise structure of CoPrA is explained in the following Quick Start documentation.

CoPrA’s Online Help
The question mark ? (bottom right in all program windows) opens the online help. This is context-sensitive, so if you click ? in the Editing tool, the Editing online help page opens. The online help contains more detailed information about the various functions of this application.

Automatic Updates
CoPrA can automatically search for new versions of the application at program start. Activate or deactivate the automatic update check under Help > Check for Update.

Your ColorLogic team

Download a PDF version here.

01 INSTALLATION

System Requirements

macOS®

  • macOS® or macOS® Server Version 10.9 and higher

Windows®

  • Microsoft® Windows® 10, Home or Pro
  • Microsoft® Windows® 8, Home or Pro
  • Microsoft® Windows® 7, Home, Pro, Ultimate or Business
  • Microsoft® Windows® XP SP3, Home or Pro
  • Microsoft® Windows® Server 2016
  • Microsoft® Windows® Server 2012
  • Microsoft® Windows® Server 2012 R2
  • Microsoft® Windows® Server 2008
  • Microsoft® Windows® Server 2008 R2
  • Microsoft® Windows® Server 2003, Standard or Enterprise

Recommended Hardware

  • Minimum Dual Core Processor (Quad Core or more recommended)
  • Minimum 2 GB RAM (4 GB or more recommended)
  • Minimum 1024 × 768 resolution (1280 × 1024 or higher recommended)

Specifics

  • macOS: CoPrA, ColorAnt and ZePrA are running in 64 Bit mode, with Measure Tool running in 32 Bit mode
  • Windows: ZePrA is running in 64 Bit mode, CoPrA, ColorAnt and Measure Tool are running in 32 Bit mode
  • CoPrA needs very little RAM for profile calculations
Installation

Installers for the respective platform install the application by default either in the folder Applications  (macOS) or Programs (Windows). Begin installation by double clicking on the installation package.

After accepting the Software License Agreement, select the destination volume and choose between a Standard Installation or a Custom Installation. Standard Installation installs all components (e.g. the Measure Tool in CoPrA or the DLS-Manager as described below).

ColorAnt: The integration of ColorAnt (or ColorAnt’s Measure Tool with CoPrA Basic) allows to measure test charts for profile creation from within CoPrA.

DLS-Manager: Allows installation of DeviceLink Sets. DeviceLink sets are standard DeviceLinks that will perform a variety of standard color management tasks. A complete list of sets and profiles can be found in the online help.


Product Package

What’s included:

  • CoPrA software
  • Additional software: Profile Manager (integrated into CoPrA) and ColorAnt or ColorAnt’s Measure Tool
  • ColorAnt M is included in CoPrA M to XL.
  • CoPrA XXL includes ColorAnt L
  • CoPrA Basic includes ColorAnt’s Measure Tool.
  • USB stick (dongle) or computer based license
  • Editable test charts to use with the DeviceLink tool Editing (in the folder EditTargets after installation)
  • Test charts and reference files including Multicolor charts for creating printer profiles 
(in the folder Testcharts after installation)
  • Printed Quick Start Guide
  • Access to Online Help

Note:

The folder EditTargets can be found under:
Windows: C:\Program Files (x86)\CoPrA5\EditTargets
macOS: Applications\CoPrA5\EditTargets

The folders Testcharts can be found under:
Windows: C:\Program Files (x86)\CoPrA5\Testcharts
macOS: Applications\CoPrA5\Testcharts

These folders can also be accessed by using the entries Open EditTargets folder and Open Testchart folder in the menu Tools.

The context sensitive Online Help opens up in a web browser after clicking the question mark icon of the respective program window, the F1 key or using the Help menu entry Online Help. An active internet connection is required.

Activation

Installing a Permanent License

A permanent license will be provided by your dealer after purchasing the application. Permanent licenses are available as computer-based or dongle licenses.

Computer-based licenses are always tied to the computer on which the software (CoPrA, ZePrA or ColorAnt) is installed. This is useful for temporary test purposes. Computer-based licenses are also required if the computer lacks an USB port or space for an USB dongle, i.e. a rack server.

USB dongle licenses are serialized to the dongle. The USB dongle communicates with the appropriate software license and enables the software to be used on different computers. To assign the license to the USB dongle, it must be connected to the computer before starting the software.

After purchasing the software, a permanent license file (*.lic) will be sent via email.


Activating a License

Load the license file in the tab License details under Registration to activate the application.

After installing the permanent license file, the licensed modules are displayed under License details.


Using One License File on Multi-User Systems

macOS

Copy the license files of ColorLogic applications into the following folder:

/Users/Shared/ColorLogic/LicenseInstall.

  • Create the folder if it does not exist.
  • Check the folder permissions.
  • When the application is launched, it will check the specified folder by default.

Windows

Copy the license files of ColorLogic applications into the following folder: C:\Users\Public\Documents\ColorLogic\LicenseInstall.

  • Create the folder if it does not exist.
  • Check the folder permission.
  • When the application is launched, it will check the specified folder by default.

License Details

License status: The expiry date for time limited versions of the software (for example, NFR or demo licenses) is shown at the bottom right of the software window. No expiry date is displayed for full versions.

Available Features: Shows the activated modules and add-ons.

Complete instructions on how to download and install ColorLogic applications and how to request and activate a demo license can be found here.

02 MAIN WINDOW

Sidebar

The sidebar provides quick access to all modules. Simply move the mouse over the Home icon on the left and select the appropriate module.


Printer Profiling

New Printer Profile
Create printer profiles

Update Profile
Update profiles using optimized measurement data


DeviceLink Profiling

DeviceLink
Create DeviceLink profiles from standard ICC profiles

Editing
Create DeviceLinks using individually modified test charts 

SaveInk
Create ink saving DeviceLink profiles

Iterate
Improve existing DeviceLink profiles

Linearization
Optimize primary color gradations

Recalculate
Recalculate DeviceLink profiles with a different profile


Tools

Image Conversion
Convert image files for profile evaluations

Profile Manager
Manage profiles in one convenient place

Batch Overview
Monitor and manage profiling jobs or reports


Registration
Activate CoPrA and manage licences

Home
Return to CoPrA’s Home screen

Preferences
Define start page, profile location, report settings

CoPrA 6 Packages and Add-on Modules

03 PRINTER PROFILING

New Printer Profile

Depending on the CoPrA package, different profiling functions are available. It’s possible to test all functions with a demo license. With the appropriate modules create profiles for the color spaces Gray, RGB, CMY, CMYK or Multicolor.

A test chart with various color patches of the corresponding color space is required as a basis for each printer profile. There are two ways to obtain measurement data for creating a printer-specific ICC profile:

  1. Measure and optimize a test chart with an appropriate software (e.g., ColorAnt) and load the measured values into CoPrA
  2. Create the measured values directly in CoPrA using the integrated Measure Tool

ColorAnt has the advantage that measurement errors, printing errors or other artifacts (e.g., inhomogeneities) can be eliminated. By analyzing and optimizing the measurement data, the profile quality is increased, which in turn, leads to improved production reliability.

Note: For most CMYK printing processes we recommend the test chart IT8.7/4. For RGB printers we recommend test charts with patches (900 and more). For Multicolor printing processes, either use the test charts and reference files supplied with CoPrA, or create them with ColorAnt.

To create printer profiles, simply load the measurement data and reference data and select a setting for profile calculation.

Printer Profiling start screen

CoPrA includes a large number of standard settings for common printing processes (e.g., digital printing). Under Customize, further settings can be configured, e.g., settings for Color Generation or for determining the first printed tone.

The various options for defining the black point and the gray axis allow precise control of the separation properties.

Procedure

  1. Load the measurement data (alternatively via drag and drop).
  2. Select a setting for the used printing process.
  3. Optionally: Click Customize to set Perceptual Rendering, Measurement Processing, and Highlights settings. Detailed information can be found in our online help, which can be accessed via the ?.
  4. Click Next and specify a Name for the new profile. CoPrA automatically suggests a profile name based on the measurement data and settings. Select the ICC profile Format (V2 or V4) and the profile Size (defines the number of points in the profile). Optionally, a profile report can be generated automatically. This report contains detailed information about the profile, the color range, the gray balance, saturation, linearity and also conversions of sample data.
  5. Create the new profile by clicking Save. The progress can then be followed either in the footer or in the Batch Overview.

Creating a profile: Format, Size and Further Processing

Update Profile

CoPrA has an innovative method to update ICC output profiles without printing extensive test charts and defining profile settings. With a small test chart or control strip, an existing printer profile can easily be adapted to changed printing conditions.

Updating printer profiles – small control strips are sufficient

Procedure

  1. Print a small Reprofiler test chart (or control strip) on the printer to be updated and measure it (e.g., with ColorAnt). The test chart can also be measured directly in CoPrA by opening the Measure Tool with Measure.
  2. Load the measurement data, alternatively by drag and drop. 
  3. Click Next. CoPrA automatically searches for the profile that best matches your measurement data and displays it in the drop-down menu.
  4. Select the profile to be updated from the drop-down menu. For more information, see our online help.
  5. Click Next, name the updated profile and select Size and Format.

Settings for updating printer profiles

Directly create a profile report (optional), a profile comparison report (to see the differences between the original and updated profile) or a correction DeviceLink.

04 DEVICELINK PROFILING

DeviceLink

DeviceLink profiles have some advantages over standard device profiles:

  1. DeviceLink profiles perform a direct conversion between input and output color spaces. Color values or color combinations can be protected or individually customized and will only be altered where necessary.
  2. DeviceLink profiles compensate many weak points of conversions using ICC output profiles. For example, the DeviceLink allows preservation of the black channel so that text is printed with black ink rather than using four inks.
  3. Ink can be saved (SaveInk) and the result can be adapted to the paper white.
  4. Proofing: Iterated DeviceLinks also provide a substantially increased proof quality.

CoPrA allows DeviceLink profiles to be created for all combinations of color spaces: Gray, RGB, CMYK and Multicolor. 

ICC printer profiles are required to create DeviceLink profiles. You can easily create these in CoPrA (using the New Printer Profile tool).

Procedure

  1. Define the Source Profile and the Target Profile.
  2. Select a Setting for the printing method used. The names of the settings are based on typical printing tasks.
    Optionally: Click Customize to modify the selected setting. Detailed information can be found in the online help, which can be accessed via the ?
  3. Click Next.
  4. Name the profile and select the Size and Format of the ICC profile.
    You can also (optional) create a profile report or a preview profile.
  5. Create the new profile by clicking on Save. The progress can then be followed either in the footer or in the Batch Overview.
Editing

Allows customized DeviceLink profiles to be created from individually modified test charts (EditTargets). This opens up a multitude of possibilities, e.g., for recurring retouching work on similar image data, or to automatically include color corrections in profile data.

These profiles can then be used automatically on color servers such as ColorLogic ZePrA.

Open one of the supplied EditTargets (for CMYK, RGB or Grayscale) in an image editing program (such as Adobe Photoshop) and make any desired color corrections. Add other images to the chart to customize it. The patch in the upper left corner cannot be covered, as CoPrA will read the patch to create the DeviceLink.

Open the corrected EditTarget in the Editing tool, either via drag and drop or via the Select Edited Testchart button. If a profile is included in the loaded EditTarget, it is automatically selected as the Target Profile. The Source Profile must then be specified manually. If no profile is included, source and target profiles can be assigned manually.

Data of an edited test chart (EditTarget)

The assignment of profiles also has the advantage that the color patches are displayed in with an accurate preview in CoPrA. Another advantage of an edited DeviceLink with assigned source and target profiles is that this profile information is stored in the PSID tag of the profile and an intelligent workflow solution, e.g., ZePrA, can automatically create configurations from it.

Evaluate the edits for each color patch. The original unedited EditTarget serves as a reference. For each color patch the original color value is located in the upper left half of the diagonally divided color patch, and the edited color value in the lower right half. Move the mouse pointer over the chart and the color patches are displayed together with further color information and a difference display in brackets (color space and TAC value). The adapted DeviceLink profile can then be created.

Procedure

  1. Open one of the supplied EditTargets (in the menu Tools > Open EditTargets folder).
  2. Modify the EditTarget in an image editing program until it meets requirements and then save it.
    Note: Never change the size and position of the control elements (patches) in the upper left corner. Do not save the image as a JPEG file.
  3. Open the customized EditTarget in the CoPrA Editing tool and activate additional options if necessary, e.g., for keeping colors pure. More information can be found in the online help.
  4. Name the profile and select the Size and Format of the ICC profile.
    Create a profile report or embed profiles (optional).
  5. Create the new profile by clicking on Save. The progress can then be followed either in the footer or in the Batch Overview.
SaveInk

SaveInk profiles use fewer combinations of Cyan, Magenta and Yellow and more Black ink. The modified black structure allows you to save ink – without sacrificing quality and at the same time control the overall ink application. CoPrA 6 adds the ability to apply ink saving to Multicolor profiles. 

A moderate SaveInk setting primarily stabilizes the printing process.

With a stronger setting, it’s possible to further reduce the amount of colorants. The SaveInk function can also be combined with other functions in CoPrA, such as SaveInk with a color space change or SaveInk for Multicolor profiles.

Settings for creating SaveInk profiles

Procedure

  1. Load the CMYK Printer Profile from the drop-down menu.
  2. Select a Setting for the desired ink saving.
    Optionally: Click on Customize to modify the selected Setting. Detailed information on this can be found in the online help, accessible via ?.
  3. Click Next.
  4. Name the profile and select the Size and Format of the ICC profile.
    You can also (optional) create a profile report or embed profiles.
  5. Create the new profile by clicking on Save. The progress can be followed either in the footer or in the Batch Overview.
Iterate

An existing DeviceLink profile can be optimized based on measured color values by using a custom test chart (can be created with ColorAnt/Custom Chart). The iteration calculates a new DeviceLink profile based on the original DeviceLink profile and the measured values, containing the same settings as the original DeviceLink. The new profile can be reinserted for iteration until the desired result is achieved.

Procedure

  1. Select Iterate in the sidebar.
  2. Select the DeviceLink you would like to iterate from the drop-down menu. Make sure that both the source and target profiles used in the DeviceLink are available in the ICC profile folder of your operating system.
  3. Convert the test chart to be used for iteration with the DeviceLink profile and print it on the printer using the same settings as for the profiling test chart for this printer. The test chart can be converted using CoPrA’s Image Conversion tool.
  4. Measure the printed test chart in ColorAnt, save the measurement data and open it in CoPrA’s Iterate tool.
  5. Click Save to calculate the new DeviceLink profile and save it in the ICC profile folder.

Note: The newly created DeviceLink will have a more accurate color rendering for most in-gamut colors compared to the original DeviceLink profile.

Linearization

DeviceLink Linearization optimizes the tone values of primary gradation ramps for any printer and color combination. The goal of linearization is to produce adequate differences from white to 100% of primary inks, smooth gradation curves and adjust primary colors to a defined, reproducible condition.

Procedure

  1. Print primary ramps on an uncalibrated output device with no color management.
  2. Measure the test chart and optimize the measurement data with and appropriate software (e.g., ColorAnt) and load the measured values into CoPrA; or create the measured values directly in CoPrA using the integrated  Measure Tool.
  3. Click Customize and choose one of the default Settings and Calculation Methods
  4. Click Next and set the profile settings. Generate a Profile Report to get details on the profile.
Recalculate

The Recalculate tool can be used to recalculate current DeviceLink profiles with a new source or target profile. This is particularly useful if the Update Profile tool was used to create an optimized printer profile from a reference profile and then all DeviceLink links that contain the reference profile are to be recalculated with the optimized profile.

Procedure

  1. Load a CMYK printer profile from the Current profile drop-down menu.
  2. Select the ICC profile to replace the current profile from the Recalculate with menu.
  3. Under Saving Options you define whether you want to Create new profiles (DeviceLink profiles) or Overwrite existing profiles.
  4. Define the names of the newly calculated DeviceLinks and, if necessary, the backup copies in the Template text field.
  5. Use the checkboxes to select the DeviceLinks to be recalculated. With the settings All, None and Invert you can activate or deactivate checkboxes all at once.
  6. Start activates the recalculation of the DeviceLinks. The progress can be followed in the Batch Overview.

05 TOOLS

Image Conversion

The Image Conversion converts pixel-based files for profile evaluations, e.g., to find the profile settings that produce the best color reproduction, or when evaluating a demo version of CoPrA. It is also useful for testing the profile quality within CoPrA on images, since typical applications often do not support all types of DeviceLinks (e.g., RGB to CMYK) or Multicolor profiles. 

When testing a demo version of CoPrA, file conversion allows images to be converted with CoPrA demo profiles (encrypted profiles) for further evaluation in other programs (e.g., Photoshop). File formats supported are PSD, TIFF and JPEG files that can be converted using ICC device profiles or DeviceLink profiles. 

Converting pixel-based files for profile evaluations

 

Profile Manager

The Profile Manager allows to manage, organize, analyze, compare and customize profiles without leaving the CoPrA working environment. The main window displays the profiles available on the computer. The Profile Manager can handle all profile types, including DeviceLink and Multicolor profiles.

The six tabs (General, Curves, Gamut, Colorants, Workflow, Notes) gives access to all essential functions. Quickly and comprehensively check the quality of your profiles by creating a profile report (right click).

Managing profiles with the Profile Manager

Batch Overview

Batch processing allows profiles to be calculated and other profiles to be prepared in parallel.

Advantages of batch profiling: 

While a profile is being calculated the next measurement data can be loaded, profile settings can be defined, or different variants of a profile can be created. All profiles that are processed appear in the Batch Overview window and are processed one after another. Thus you do not have to wait with your next steps until the previous profile has been calculated.

Profiles automatically appear in the Batch Overview when the creation of one or more profiles is started, for example, when recalculating DeviceLink profiles.

In the upper left area of the Batch Overview window there are three buttons allowing to start and stop the calculation of profiles or to remove profiles from the view.

The Batch Overview shows the status of the profile calculation

CoPrA | Profile Manager EN

Profile Manager

Manage profiles in one convenient place

Using Profile Manager

Profile Manager allows viewing, organizing, analyzing, comparing or even adapting profiles without leaving the CoPrA environment. The main window shows all profiles stored on the system. The unique ability of Profile Manager to display and handle all types of profiles, including DeviceLink and Multicolor profiles, makes it the ultimate tool for everyday color management.

Profile Manager includes six different tabs (General, Curves, Gamut, Colorants, Workflow, Notes) which provide access to all important functions. Apart from that, it allows to quickly and comprehensively verify the quality of profiles by means of a Profile Report.

Profile Manager Features

Main window features

Profile Filter

Profile Filter: Offers various filters for searching profiles and a profile list showing all available profiles on your system.

Profile Filter

Filters for Searching Profiles

Using the four drop-down menus and the text input box narrows down the search to find profiles more quickly.

Device Class: Displays all profiles of a specific device class. You can exclusively display Input (scnr), Output (prtr), Monitor (mntr), DeviceLink (link), Color Space (spac), Abstract (abst) or Named (nmcl) profiles.

Choosing a Device Class

DCS and PCS: With DCS (Device Color Space) and PCS (Profile Connection Space) all profiles of a specific color space can be viewed.

Select a color space

Profile Type: Limits the search to profile types. Returns fast search results, especially in combination with Search for file name.

Choosing a Profile Type

Search for: Enter a search term to search specifically for a particular text in the profile name. For example, by entering ‘preview’ all preview profiles are shown. Searching for Name, Manufacturer, Creator, Date, NotesSystem Profiles, SaveInk Profiles, Updated Profiles or Correction DeviceLinks is also possible.
Note: Narrowing down the search to a specific date can be useful to display all profiles that have been created on a given day.

Invert: All filters and keywords can be inverted by clicking on the corresponding checkbox. For example, by selecting DeviceLink under Device Class, all DeviceLink profiles will be shown. By activating the checkbox Invert, all profiles except DeviceLink profiles will be shown.

A click on X resets all filters and displays all profiles.

Profile List
The list of available profiles is updated automatically every time Profile Manager is accessed (at program start or whenever it is brought to the foreground).

A right-click on a profile opens a context menu. The following options are available (depending on the profile type and the licensed modules):

Right-click contextual menu options

The entries Create Profile Report (PDF)/(XML), Save Preview Profile, Calculate Gray Profile and Smooth Profile LUTs are only available if a valid license for the corresponding modules exists.

The context menu also allows you to create ACV or XML curves from a selected Linearization DeviceLink profiles.

Extract source and target ICC printer profiles of DeviceLinks
Embedded source and target ICC printer profiles of DeviceLinks can be extracted using the Install embedded profiles option (only available when embedded profiles are present). This is useful if you have been sent a DeviceLink profile and the required printer profiles are not available on your system.
Open the context menu by right-clicking on the respective DeviceLink profile and click on Install embedded profiles. The extracted profiles are stored in your profile library. A message at the bottom of the window confirms the action and the location.

Extracting DeviceLink profiles

The four buttons below the profile list differ for macOS and Windows (see screenshots).

macOS buttons

Windows buttons

Delete: Deletes the selected profile.

Set as reference: The selected profile acts used as reference profile for a gamut comparison with another profile. It is displayed at the right bottom of the window under Reference profile and can be activated or deactivated by its checkbox. After activation it is available for a Gamut Comparison (see below) and will be shown in the 3D and 2D view of the gamut together with the selected profile. To view only the selected profile, hide the reference profile by unticking the checkbox.

Save: Saves any changes to a given profile.

macOS:
Open: Opens the ICC profile using the default system program. macOS opens the ColorSync Utility which displays individual tags and tables of the selected profile.

Windows:
Show file: Opens the folder in which the selected profile is stored.

General
Description: Displays the name of the profile which can be changed and saved by clicking on Save.

Copyright: Displays the non-editable copyright of the profile.

Header: Shows all important entries in the profile header.

General profile information

 

Gamut Comparison

A Gamut Comparison can be created by clicking on the double arrow icon at the bottom right of the window (see screenshots). In this process the gamut size of the selected profile is calculated and compared to the gamut size of the selected Reference profile (see above). The selected profile is displayed under Profile path.

Comparing Gamuts

Gamut comparison

Curves

Shows the curves for the selected profile. For each Device Class only the appropriate options are available in the drop-down menu, e.g. for DeviceLinks, device profiles or monitor profiles (see screenshots).

Drop-down menu for DeviceLink profiles

Drop-down menu for device profiles

Drop-down menu for monitor profiles

 

For example, the purity of the channels can be displayed for DeviceLinks. For printer profiles you can view the curves for the gray balance but many more curves and color space views are available additionally. Specific curves are available in the drop-down menu for monitor profiles. Try out the various options and curves to get an overview of the characteristics of your profiles.

A special feature of Profile Manager is the possibility to view the gray balance of a printer profile for different rendering intents in the profile. Thus the gray balance can be viewed using the relative colorimetric rendering intent with black point compensation (see screenshot).

Viewing gray balance

Gray balance of a CMYK printer profile when using the relative colorimetric rendering intents with black point compensation.

Gamut

The tab Gamut displays either a 2D or a 3D representation of the color space for the selected profile (see screenshots).

For CMYK printer profiles, the maximum gamut is displayed (disregarding separation limitations). The gamut display for Multicolor printer profiles is limited. No gamut will be displayed for CMYK and Multicolor DeviceLinks. For DeviceLinks with source and target with less than 4 channels (e.g. RGB-2-RGB, Gray-2-RGB, 3CLR-2-3CLR) a gamut with DCS coordinates will be displayed.

In 2D, the lightness slider can be used to view the gamut border of a lightness slice of the selected profile. Use the ab-Projection checkbox to see the entire gamut as a flat projection on the ab plane.

2D gamut view

3D gamut view

The representation changes according to the selected Rendering intent.

Viewing with a different rendering intent

The 3D view features a rotatable gamut. Use the Zoom slider to magnify it. 

Sample Data: Sample data can either be image files (TIFF, JPEG or PSD files) or measurement data as text files (CGATS files in text or XML format, CxF files or ACO files) or a single Lab value entered manually. Based on the position of the values in the Lab color space the 3D or 2D representation quickly reveals whether images or color values can be reproduced within the desired printer gamut using the set Rendering intent. Select 3D and move the mouse pointer over the color patches to highlight them and to display their name, Lab value and their deltaE (in dE76) to the gamut border of the profile.

Note: The deltaE is only appropriate for the Absolute Colorimetric Rendering Intent and will not be shown for other rendering intents.

Comparing sample data to the gamut

Note: Image files (JPEG, TIFF or PSD) will be split into color patches using a lower resolution and will then be converted directly to Lab using either the embedded profile or the default profile and the set Rendering intent. The image will be converted and displayed as dots. The selected profile is shown in brackets behind the file name. If no profile is embedded AdobeRGB is used for RGB images. CMYK images without a profile are assumed to be in the CMYK color space of the selected profile. The used color space is always shown in brackets behind the file name.

The gamut of the selected profile can be compared to the gamut of another profile. Use the Reference profile checkbox to select the profile you would like to compare. In the 3D view, the reference profile is displayed in a semi-transparent white color, in the 2D view it is displayed with a red outline.

Colorants

The Colorants tab shows the Colorant Table of the profile (if available, for example, for Multicolor profiles and Multicolor DeviceLinks). Both the Name and the Lab Values can be edited and saved. A small color patch at the end of each line shows the current Lab value in true colors. In addition, creating a colorant table or loading an existing table is possible.

Note: If Multicolor profiles do not list these tables correctly, it is an error in these profiles which can be corrected by using the function Create Table.

Creating tables for a profile

Note: Printer profiles only have one colorant table, DeviceLinks, however, may have up to two colorant tables (for Multicolor-to-Multicolor-DeviceLinks).

Workflow

In the tab Workflow the Source and Target Profile of a DeviceLink and the PDF/X Information can automatically be entered in the profile which allows the automatic creation of configurations in ColorLogic’s color server ZePrA. This requires the source and the target profile of the DeviceLink. ZePrA then automatically reads out the information about source and target profiles as well as the PDF/X information from the loaded DeviceLink and applies them in the configuration (PDF/X information can be entered for CMYK and Multicolor printer profiles or DeviceLinks).

The tab Workflow allows the user to add this information to self-created profiles. Profiles of other manufacturers can also be optimized for ZePrA’s workflow.

Adding PDF/X information

Notes

The Notes tab allows to leave custom notes linked to the selected profile. These notes can easily be found later using the Search for function under Profile Filter. Simply select Notes in the drop down menu and enter the search text in the box below.

Example: Leave the name of a customer as a note in the profiles you have created for that customer. If you search for these profiles later, simply enter the customer name in the Search for function set to Notes and all profiles with its name will be listed.

CoPrA | Image Conversion

Image Conversion

Convert image files for profile evaluations

Image Conversion

Overview

The Image Conversion tool converts pixel-based files for profile evaluations, e.g. when evaluating a demo version of CoPrA or to find the profile settings that provide the best color rendering. It is also convenient to test the profile quality on images directly in CoPrA, since typical applications often do not support all types of DeviceLink (e.g. RGB to CMYK) or Multicolor profiles. When running a demo version of CoPrA the tool allows conversions of images using CoPrA demo profiles (encrypted profiles) for further evaluation in other programs (i.e. Photoshop). Supported are PSD, TIFF and JPEG files which can be converted using ICC device profiles or DeviceLink profiles. 

Conversions can be saved in piled layers in a single file to better check different color conversions in Photoshop. 

The image preview uses the embedded profile of the image, or the specified source profile if there is no embedded profile, to convert the images colors to the display profile. In other words, if the monitor is calibrated the image is shown in true colors.

Procedure

Load an image file (TIFF, JPEG, PSD) to convert

Either drag-and-drop the file to be converted onto the Source File button or click the button and select the file.

A preview of the image is shown in the preview panel on the right. If a profile is embedded, it will be displayed under Embedded Profile. The color space of the image is indicated by an icon next to the image location path.

Note: The Image Conversion tool does not support retaining Photoshop layers or transparencies. Nonetheless image files such as Photoshop PSD and TIFF files with layers or transparencies will be converted correctly, however, only the compatibility layer will be color converted while additional layers and transparencies are removed.

Choose a source and target profile or a DeviceLink profile

Apply either a normal ICC conversion with source and target profile or a DeviceLink conversion.

For a standard ICC conversion from source to target profile, the Rendering Intent can be defined. In addition to the typical four ICC rendering intents, Blackpoint Compensation is available as a fifth option.

Notes:

  • Blackpoint Compensation is the relative colorimetric intent with additional black point compensation, as in Adobe Photoshop.
  • All profile drop-down menus function like search fields. Simply type in some letters of the desired profile and only those profiles containing these letters will be shown in the list. To select a profile simply click on it.
    Alternatively you may open the drop-down menu with the little arrow on the right and select a profile from the full list as usual.

For a DeviceLink conversion select the desired DeviceLink profile from the drop-down menu Source Profile. In this case it is not necessary to select other settings, such as the Target Profile or a rendering intent, therefore, these settings are grayed out.

Note: Image Conversion supports serialized profiles as well as encrypted demo profiles. Serialized profiles are those created with CoPrA SP (Serialized Profiles). Profile quality can be evaluated from either serialized or encrypted demo profiles when converting images.
If a serialized profile is to be embedded in the converted image file using Embed target profile, CoPrA will decode and embed the profile in the converted image with a smaller grid size. This ensures that other applications display the converted file correctly. Note, however, that this profile cannot be used for production purposes as the profile quality is reduced. For that reason, such profiles are marked as LOW QUALITY VERSION FOR DEMO ONLY in the file name. 

Convert to Lab: Converts the image into the Lab color space which is useful for comparing images with differing target color spaces or to evaluate the color appearance of Multicolor profiles. The latter is very convenient as Adobe Photoshop does not display Multicolor images correctly in the preview and does not support conversions from Multicolor to Lab.

Paper White Simulation: When the Convert to Lab checkbox is enabled, the Paper White Simulation checkbox can also be activated. If activated, the conversion to Lab uses the absolute colorimetric rendering intent, if disabled, it uses the relative colorimetric rendering intent.

Embed target profile: If a target profile is available it can be embedded in the converted file. This is also true for target profiles of DeviceLinks.

Select a Mode

Save Image: Saves the converted image. Available file formats are TIFF, JPEG or PSD.
Note: Only suitable file formats are listed, since some formats do not support all color spaces.

Use Layer: Allows to add layers to a converted image in PSD file format. Other formats can not be selected.

Add Layer: To test various profiles, the same original image can be converted again with different profiles, and the resulting files can be stacked as layers in a single file. Such a PSD file allows to switch between the layers in Photoshop to evaluate the quality of the conversions. For a better identification of the profiles that have been used the layer names contain the profile names.

Select Layer File: Defines the image file to which the new layer will be added. Either accept the suggested file name or enter a custom file name. 

CoPrA | Batch Overview

Batch Overview

Streamline profiling tasks

Batch Overview

While a profile is calculated, the next measurement data can be loaded, the profiling settings can be customized or different settings of a profile can be prepared. All profiles that are calculated appear in the window Batch Overview and are processed in order. Users can continue working while CoPrA processes the list. 

Profiles will appear automatically in Batch Overview when profile creation begins, for example when recalculating DeviceLink profiles.

Three buttons on the upper left of the window start or stop the calculation of profiles or remove profiles from this view.

The upper right tool set:

  • PDF and XML: Create PDF or XML reports (XML reports require CoPrA L or higher)
  • Open Report: Opens existing reports
  • Create preview profile: Subsequently creates preview profiles
  • Show in Profile Manager: The selected profile is opened directly in Profile Manager
  • Show in file manager: Opens the location of the profile

The actions can also be accessed by right-clicking on a profile for a contextual menu.

The column Status displays the progress of the profile processing.