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PatchTool icon  PatchTool Revision History

Version 4.7.0 b362 (2014-10-02)

New features:

  • Extract Data from Profile tool: Extract and save the measurement data provided in dedicated tags within an ICC profile. The data can be in the form of a CGATS file, an XML file, or a compressed CxF3 file (ZXML tag). This tool can be used with the program in demo mode.
  • Extract Target from Image tool: This tool can now extract targets from 8 bit and 16 bit TIFF L*a*b* images.

Improvements:

  • Extract Target from Image tool:
    • Added a ‘Set to corners’ button to lock the target mask on the image corners; this is useful when the target fills the image.
    • The tool now provides more accurate extraction at low zoom values and high patch-fill ratios. In particular, the program will reject image pixels located at, or near, a patch edge and will not process the same edge pixel for two patches.
    • Faster target extraction.
  • Patch view tab of opened files (standard files and Compare files):
    • The patch layout is now in the center of the window.
    • Now draws unused patches, in the bottom part of the last column, with a cross.
    • Now shows the current row quantity when changing the window size in ‘Floating’ mode. This is useful when you want to manually assign and lock the row quantity after a resize.
    • (Mac) The patch layout is resized in real time while changing the window size.
  • i1Pro and i1Pro 2:
    • Now supports the i1Pro 2 SDK Version 4.2.0.
    • Added a button in the Instrument Info dialog (when called from Patch-Reader) to check i1Pro / i1Pro 2 lamp restore. Lamp restoration is performed, if required, when this check is requested.
    • Note: Lamp restore is not available in the PowerPC and Windows XP packages, which still use the older SDK.
  • New improved-accuracy table-based algorithm to compute the CCT. The acceptable isotemperature zone is between 1000 K and 100,000 K. A warning is issued when calibrating an instrument with a white patch if Duv (CIE1960) is not within plus or minus 0,05 (Duv data not provided).

Bug fixes:

  • Fixed a bug where out-of-gamut profile transforms are properly detected. The problem affected only some functions of the Gamut Tools, more specifically the ‘Gamut volume’ computation and the ‘Device independent spaces’ list generator. This bug mostly happened with CMYK profiles and ICC V4 RGB profiles.
  • Fixed a bug where the ‘Stats’ tab of opened Compare files is properly updated when changing the preference for the ‘CIE 94 reference mode’ or the preference for ‘Delta h* computation…’ in the Preferences dialog.
  • Fixed a bug where the DTP94 colorimeter was not properly detected by pressing the 'Info' button in the 'Display-Check' or 'Display-Reader' tool windows if the instrument was connected after opening 'Display-Check' or 'Display-Reader'.

Other:

  • Version 4.7 is the last version which supports Mac computers with PowerPC processors.
  • Version 4.7 is the last version which supports OS X 10.6; future versions will require at least OS X 10.7 (Lion).
  • Version 4.7 is the last version which supports Windows XP; future versions will require at least Windows Vista.

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Version 4.6.0 b349 (2014-03-03)

New features:

  • Info window:
    • You can see a patch reflection density as defined in ISO 5-3 (Status A, Status E, Status I, Status T).
    • A third data display was added to the Info window and you can, for example, see the CMYK, L*a*b* and Density values of a patch at the same time. You can also hide two of the three data displays if desired.
    • Get a screenshot (PNG format) of the Info window simply by pressing “I” on the keyboard.
  • Patch-Reader tool:
    • You can now display the reflection density of a measured patch as defined in ISO 5-3 for all chart types (Unconstrained measurements, Custom chart, PatchTool file).
    • As with Unconstrained measurements, you can now see XYZ, L*a*b* or L*C*h* values of any measured patch for a Custom chart or a chart defined by a PatchTool file.
    • When measuring a chart while using a PatchTool file as a reference, you can compare L*a*b* and L*C*h* values between the reference file and the measurements and get the CIELAB color difference (DeltaE*). You can also compare CMYK from the reference with the measured density.
    • Whenever available, display the data for any mix of M0, M1, or M2 Measurement conditions.
    • Added the Density data field in Patch-Reader CGATS export dialog.
  • Export dialog: You can now export Density values for any opened file which contains spectral data (File types: CGATS, plain text).

Improvements:

  • Patch-Reader tool: Improved patch navigation, selection and display when measuring patches with the ‘Custom chart’ and ‘PatchTool file’ chart types.

Bug fixes:

  • Fixed a bug where a measuring instrument would not connect immediately when opening the Display-Check, Display-Reader or Patch-Reader tool. The problem happened when ‘Eye-One Display’ or ‘i1Pro / i1Pro 2 (non-XRGA)’ were the previously selected instruments.
  • Fixed a bug where an OutOfBoundsException would sometimes happen when switching from a ‘Custom chart’ to a ‘PatchTool’ file in Patch-Reader.
  • Fixed a bug where a message referring to ‘DUAL scan’ would be shown in the Patch-Reader window when measuring patches on a strip with the ‘i1Pro / i1Pro 2 (non-XRGA)’ instrument driver. Only the message was wrong and it did not affect the measurements.
  • Fixed a bug where an OutOfBoundsException would happen in Display-Check when making measurements just after opening the ‘Instrument info’ dialog. The problem was associated only to the following colorimeters: DTP94, Eye-One Display, and i1Display Pro.
  • (Mac) Fixed a bug where an IOException was raised when saving a profile while importing patches from a TIFF image or extracting a target from an image. The problem occurred if the profile was already in use in another opened PatchTool file.
  • (Mac) Fixed a bug in the ‘Extract Target from Image…’ tool where the target layout was not properly positioned when extracting targets from images of the same size one after the other.
  • (Mac) The file names are now properly defined when exporting multiple files from the Patch-Reader export dialog.

Other:

  • Contrary to prior notice, Version 4.6 still supports Mac computers with PowerPC processors.

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Version 4.5.0 b332 (2013-10-02)

New features:

  • CxF3 Export: Added options to export to the generic CxF Version-3 (CxF3) file format (*.cxf) as well as to four CxF3-compliant file types dedicated to X-Rite’s i1Profiler (i1Publish). See Application Note 10 (AN-10) in the Tutorials page for more information.
    • Supported data fields: ID, Name, XYZ, xyY, L*a*b*, L*C*h*, RGB, CMYK, and spectral data
    • Supported i1Profiler file types: Chart Measurements (*.cmxf), Patch Sets (*.pxf), Test Charts (*.txf), Measurements (*.mxf).
    • i1Profiler export limitation: i1Profiler support is limited to RGB and CMYK data flows (i.e. CMYK+n and display measurements are not supported). In addition, except for a small option with *.cmxf files, there is no support for Custom Resources. Additional features may be added in future versions as knowledge is gained and need is expressed by user feedback.
  • Color Management Module (CMM) changed from LCMS 1.19 to LCMS 2.5. This change has an impact on all profile-based color conversions. Here are a few of the consequences of this change:
    • Full support of ICC v2 and ICC v4 profiles (LCMS 1.x had partial support of ICC v4 profiles).
    • Important notice: Because LCMS 2.x was almost completely re-written, you should not expect to obtain EXACTLY the same numerical results as the ones obtained with LCMS 1.x, although the LCMS author is confident that the newer version is more accurate.
    • Gamut Tools: Computed gamut volumes may be different from those computed in previous versions.

Improvements:

  • Extract Target from Image tool: Improved mask layout management.
    • The mask layout is scaled and positioned to follow changes in the tool window size and in image scaling.
    • Maximum scaling has been increased to 3200% to better see single-pixel-per-color targets.
    • You can now move the image and the mask at the same time by pressing the ‘Alt’ key (on Windows; use the ‘Option’ key on Mac) while doing a mouse drag.
    • In a given session (i.e. until PatchTool is closed), the tool window, the image, and the mask sizes and positions will be recorded and used for the next image, if the image is of the same dimensions. This is useful when extracting targets from many images taken with the same setup.
    • The mask cannot be positioned outside of the image; the mask will snap to the image edges.
    • Any embedded profile will now be copied as is instead of being reconstructed from captured data.
  • Extract Profile from File tool:
    • Added these fields to the tool interface: Creation software, Preferred CMM, Profile Copyright.
    • Any embedded profile will now be copied as is instead of being reconstructed from captured data.
  • Improved xy to CCT algorithm. The algorithm is now more accurate over a larger chromaticity area. The acceptable isotemperature zone is between 2000 K and 1 MK. A warning is issued when calibrating an instrument with a white patch if Duv is not within plus or minus 0,05 (Duv data is not provided).
  • Patch view tab: Added entries for Horizontal and Vertical layouts of the IT8.7/4 and ECI2002 targets in the ‘Rows’ menu.

Bug fixes:

  • Extract Target from Image and Extract Profile from File tools: Fixed the bug where an embedded ICC v4 profile was saved as an ICC v2 profile.
  • Patch view tab of opened files (standard files and Compare files): Corrected a bug where the RGB values are properly replaced when using the ‘Replace the patch color with…’ contextual command (Shift + mouse Right-Click) and the file data was derived from imported RGB values.
  • Patch view tab of Compare windows: Corrected a bug where the CMYK values are properly replaced when using the ‘Replace the patch color with…’ contextual command (Shift + mouse Right-Click) and the file data was derived from imported CMYK values.

Other:

  • Contrary to prior notice, Version 4.5 still supports Mac computers with PowerPC processors.

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Version 4.1.0 b321 (2013-06-03)

New features:

  • Display-Reader tool: Perform unconstrained emission measurements on any display, even one not connected to the computer on which the program is running.
    • This tool can be used with all PatchTool supported colorimeters and spectrocolorimeters.
    • Measurements can be done with or without a Color Correction Matrix.
    • Measurements can be done with or without measuring the display White Point (Note: The Eye-One Display 2 set for CRT and the Spyder2 require calibration to be done on a white patch).
    • Obtain ABSOLUTE measurements: xyY, XYZ, spectral data (for the i1Pro and i1Pro 2). If you measure the White Point, you can also get L*a*b* data relative to this White Point.
    • When you measure the White Point, you can also obtain PROCESSED data (xyY and XYZ, with Y normalized, and L*a*b*, relative to many Standard Illuminants, in Absolute-Colorimetric or Relative-Colorimetric intents).
    • Export ABSOLUTE measurements in a RAW file that can be opened in a spreadsheet.
    • Export PROCESSED data in a CGATS compatible file which can be opened in most programs that support this format. This file can be opened in PatchTool and compared to other color lists.
    • A timer can be used to take measurements at fixed time intervals.
  • Substrate Correction tool: Use this tool to convert measurements taken on a backing material, a black substrate for example, as if they were taken on another backing, a white substrate for example, as described in ISO 13655:2009, Annex A. You can also use it to convert standard or custom colorimetric aims data sets, the aims of ISO 12647-2 for example, when your substrate/paper is not within tolerance, as described in ISO/DIS 15339-1.
    • Let the program find the patch with MAX Lightness (L*) in your reference data or assign any patch with its ID.
    • Let the program find the patch with the MIN L* in your reference data, assign any patch with its ID, or write-in the L*a*b* values.
    • Specify the target data using either an opened PatchTool file or write-in the L*a*b* values. If using an opened file, let the program find the patch with MAX Lightness (L*) in your target data or assign any patch with its ID. The CIELAB difference between the reference and the target is shown as well as the individual L*, a*, and b* differences.
    • The tool can be used with files of any size (i.e. number of patches).
  • File-to-File Transfer tool: Transfer any of the ID, Name, CMYK, and RGB data fields between two files opened in PatchTool. This tool is particularly useful to copy reference CMYK or RGB data into a measurement file when you intend to generate a profile from this file.

Improvements:

  • Will now detect when importing xyY or XYZ data where Y is scaled between zero and one (0-1) instead of the more traditional zero to one-hundred range (0-100). A dialog is presented to confirm rescaling.
  • i1Display Pro: Added support for the new ‘Burst’ measurement mode dedicated to displays which have pulsing characteristics, such as plasma screens. The EDR files were updated, with additional files for RG-Phosphor, Plasma, and OLED displays.
  • The items of the ‘Tools’ menu were reordered and grouped in categories.
  • Measuring instruments: Instrument detection and connection is more robust.

Bug fixes:

  • Fixed an issue in Patch-Reader when exporting unconstrained measurements without selecting the patch name in the exported file. In these circumstances, an additional data separator was introduced in the data section. This extra separator had no consequence when the files were opened in PatchTool.
  • Removed redundant information text in the ‘Select Compare’ and ‘Tweak Target’ windows.
  • Fixed the issue where the PCS graphics were improperly redrawn in the Gamut Tools.

Other:

  • Contrary to prior notice, Version 4.1 still supports Mac computers with PowerPC processors.

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Version 4.0.0 b312 (2012-09-17)

New features:

  • Added support for the X-Rite i1Pro 2 spectrocolorimeter:
    • This instrument is used in the Display-Check and Patch-Reader tools.
    • Supported models: i1Pro 2 M0/M1/M2 and i1Pro 2 M2-only.
    • Supports the M0, M1, and M2 measurements mode for reflectance measurements.
    • Supports X-Rite’s XRGA calibration standard for reflectance measurements.
    • Assign a Color Correction Matrix to the i1Pro 2.
    • The i1Pro 2 can be used in PatchTool on a PowerPC Mac with the older i1Pro driver; in this configuration, the i1Pro 2 behaves as an i1Pro. The new i1Pro 2 features are available only in conjunction with the new i1Pro 2 driver, which requires an Intel Mac with OS X 10.5.8+.
  • i1Pro and i1Pro 2:
    • Both the older i1Pro and the new i1Pro 2 drivers are provided. The i1Pro and i1Pro 2 instruments can be used with either driver in Display-Check and Patch-Reader. The i1Pro2 driver is XRGA compliant and the older driver is NOT XRGA compliant. The new driver is referred to in PatchTool as ‘i1Pro / i1Pro 2 (XRGA)’; the older diver is referred to as ‘i1Pro / i1Pro 2 (non-XRGA).’ You can thus make measurements with your instruments with or without XRGA calibration.
    • Calibration with the ‘i1Pro / i1Pro 2 (XRGA)’ driver always require that the instrument be positioned on its white calibration tile, even for measurement modes other than reflectance.
    • You can assign a different Color Correction Matrix to each driver.
  • Patch-Reader tool: Patch-Reader gives access to the i1Pro 2 features, with support for the M0/M1/M2 measurement conditions and for its zebra ruler optical reader. Even the older i1Pro benefits from the new i1Pro 2 driver, with the capability to use the ’patch correlation’ mode with a PatchTool file.
    • New CGATS export dialog: When saving measurements from any Patch-Reader mode, you are now presented with a dialog which enables you to select file options. These options include: a selection of data fields, spectrum scales, spectrum ranges, and decimal separators. If making measurements with multiple measurement conditions, the dialog also offers options to save the data in one or more files.
    • Unconstrained measurements: Select any combination of M0/M1/M2 measurement conditions for each measurement, and get up to three spectrums, one per measurement condition, each time you push the i1Pro 2 button. You can thus see in one click the susceptibility of a paper to fluorescence. If you did measurements in multiple measurement conditions, you can export the measurements in a single file, in a separate file for each measurement condition, or in separate files plus a single file.
    • Custom charts and PatchTool file: There are new options for strip measurements: an option to use or not the i1Pro 2 ruler, and an option to set the instrument to better recognize low resolution targets. These options’ availability depends on the instrument, the selected driver, and the selected measurement conditions. In addition, when measurements are made in reference to a PatchTool file, you can now select to make measurements in a ‘patch correlation’ mode, without an i1Pro 2 ruler, where the file values are used to do a fast check on the validity of the measured data and to detect the direction of the scan. If you did measurements in multiple measurement conditions, you can select which data you want to keep, in a separate file for each measurement condition.
  • Display-Check tool: When using the ‘i1Pro / i1Pro 2 (XRGA)’ driver with either the i1Pro or the i1Pro 2, you can select an ‘Adaptive measurement’ mode for emission measurements in the Instrument Info dialog. When selected, the measurement time is longer for low luminance patches in order to provide more accurate measurements.
  • Extract Target from Image tool: This tool, designed to directly extract the average of target patches in full size photographic images, now supports 8 bit and 16 bit TIFF CMYK images.
  • Open CxF Version-3 files, such as the ones generated by the X-Rite i1Profiler program:
    • Open generic *.cxf files as well as files with content-specific data, such as *.axf, *.mxf, *.txf, etc.
    • Import a collection of device-independent data type measurements, plus RGB and CMYK, when available, into a PatchTool file. The measurements collections must have the same number of patches to be imported in the same file.
    • Supported top level Resources: Object Collection, Color Specification Collection.
    • Supported device-independent data types: Reflectance Spectrum, L*a*b*, L*C*h*, XYZ, xyY, AdobeRGB, sRGB.
    • Supported device-dependent data types: RGB, CMYK.
    • Non-supported elements: Custom Resources, Profile Collection, Tag Collection, and others.
  • Compare window: Added DeltaCh (dCh), the chromaticness difference, in the list of available deltas. These deltas are used to compute individual differences between each pair of compared patches, in the Tabular data tab, and for global statistics in the Stats tab. The chromaticness, defined in DIN 55981, ISO 12646, and ISO/DIS 12747-8, is better used to evaluate color differences for near neutral colors, typically with a Chroma (C*) of less than seven. dCh is referred to with various symbols, such as dEc, dF*, or ds. The chromaticness difference is now included in a saved Compare file whenever L*a*b* data is selected for export.
  • Info window:
    • Added xyY as a selection in the color space menu.
    • Added the ‘CIELAB / a*b*Ch’ menu item to the DeltaE* menu. With this selection, you can easily get the chromaticness difference (dCh) between any two patches of opened files.
    • It is now possible to select, with a contextual popup menu, either a linear scale or a logarithmic scale for the reflectance axis of the spectrum graph.
  • Export dialog: Added an option to round 8 bit RGB data when exporting data. This option is useful when exporting RGB data for programs which reject the fractional part of RGB values without rounding.
  • Preferences dialog new settings:
    • An ‘Adaptive measurements’ setting for Emission measurements done with the ‘i1Pro / i1Pro 2 (XRGA)’ driver; with this driver, adaptive measurements can be made with an i1Pro or i1Pro 2.
    • An additional ‘SPECTRAL_NM450’ CGATS tag format to use when exporting CGATS file. This tag format is used by i1Profiler.
    • System wide settings for the spectrum scale and the decimal separator.

Improvements:

  • Will now record separately the last folder used when opening or saving different file types (patch file, ICC profile, image, etc.).
  • Better uniformity of the Open file dialogs and review of each dialog’s preferred file formats.

Bug fixes:

  • CxF2 import: Will now correctly import the patches names and IDs from a CxF2 Palette when the number of patches is different for each data type within the Palette.
  • Patch-Reader window: Corrected a bug where the Display-Check window opened when clicking on the Patch-Reader ‘Info’ button.

Other:

  • Version 4.0 is the last version which supports Mac with PowerPC processors; future versions will support Mac with Intel processors only.

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Version 3.7.0 b275 (2012-02-20)

New features:

  • Added support for the Datacolor Spyder4 colorimeter:
    • This instrument is currently used in the Display-Check tool.
    • Supported models: Spyder4ELITE, Spyder4PRO, Spyder4EXPRESS.
    • PatchTool can select any of six built-in calibration matrices specifically designed for various display technologies, and which provide improved measurement accuracy.
    • Select between two measurement speeds.
  • Correction Matrix tool: It is now possible to assign a Color Correction Matrix to the i1Pro.

Improvement:

  • You can now open one or more files with drag and drop on the main window 'Open file' button.

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Version 3.6.0 b268 (2011-12-14)

New features:

  • Added support for the X-Rite i1Display Pro colorimeter:
    • This instrument is currently used in the Display-Check tool.
    • Supported models: i1Display Pro hardware sold by X-Rite (i.e. the retail version, part #EODIS3-XR). Generic models sold by other companies (third parties, or OEM, part #EODIS-OEM) should also be compatible. At this time we cannot say if we will support or not custom models sold by other companies since separate agreements with these parties may be required. More specific info will be provided as new models are released.
    • PatchTool can load and assign calibration matrices (contained in X-Rite Emissive Display Reference (EDR) files) specifically designed for various display technologies, and which provide improved measurement accuracy. Five EDR files are supplied; additional files could be added in the future without a need to reinstall PatchTool.
    • Select between two measurement speeds.
    • Note: On Mac, OS X 10.5+ is required (Mac Intel tested, PowerPC TBD).

Improvements:

  • Display-Check Instrument Info dialog:
    • Revised interface: You can now assign the instrument preferences without going back to the program Preferences’ dialog.
    • More robust code to improve the connection to an instrument if this instrument is not connected when the Display-Check window is opened.
  • (Mac) Replaced PICT by PNG as an image export format.

Bug fixes:

  • Exporting images: Fixed a bug where a reddish, yellowish, or orangish tint could be seen in 16 bit TIFF L*a*b* patches when a* and/or b* was negative with a value between zero and -0,001953.
  • Display-Check RAW file: Now shows correct L*a*b* D50 Source data. The problem was seen when the reference data was XYZ, L*a*b* or L*C*h* and the destination profile was an external ICC profile. The problem did not occur for RGB, CMYK, and spectral reference data, and when the destination was an internal PatchTool profile; as well, RAW measurements were never affected.
  • Now shows the correct Hardware and Driver versions for the Spyder2 and Spyder3 in the Display-Check Info dialog.

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Version 3.5.0 b255 (2011-06-01)

New features:

  • Extract Target from Image tool: This tool is designed to directly extract the average of target patches in full size photographic images.
    • Target size: User-assigned ROWS and COLUMNS. The patch fill-ratio is adjustable. The tool enables adjustments for almost any target perspective.
    • Supported image formats: TIFF RGB (8 bit and 16 bit), and JPG.
    • Embedded profiles are recognized and automatically extracted.
  • Extract Profile from File tool: Extract a profile from a TIFF or JPEG image; save the profile with an ICC or ICM extension. The tool shows the profile name, type, ICC version, device class, and default intent.
  • Tweak Target tool: Improve the accuracy of printed color patch lists by successive approximations. The original color list is modified in one or two iterations. Important: This tool is NOT designed to edit or change a profile.
  • Correction Matrix tool: Determine a Color Correction matrix between two instruments according to ASTM E1455-2010. A Color Correction matrix helps improve inter-instrument agreement in emission (i.e. display) measurements. The matrix is computed by making measurements of the primaries and white of a given display using a reference instrument (often a spectrophotometer) and a target instrument (often a colorimeter). The measurements can be obtained with PatchTool Display-Check, if the instrument is supported by PatchTool, or data from any instrument can be entered or loaded into the tool. A matrix is always assigned to a specific combination of display + target instrument.
  • Display-Check tool: Now supports the use of Color Correction matrices. Improve inter-instrument agreement and the accuracy of colorimeters on wide-gamut displays.
  • Import and Export Adobe Swatch Exchange (ASE) files. This file format is used to exchange color swatches between Adobe applications such as Photoshop and Illustrator.
    • Supported color spaces: RGB, CMYK, and L*a*b* (D50). Because an ASE file can contain swatches in all color spaces, PatchTool will create separate files for each color space.
    • Color groups, such as those created in Illustrator, are joined at import.
    • Supported color types: Process + Global (only type supported in Photoshop), Spot color (Global), and Process; the color type is the same for all PatchTool exported patches.
  • Open TIFF images and assign one patch per pixel. This tool is useful to open target files saved as one pixel per patch, as well as small image files.
    • Supported image formats: TIFF RGB, CMYK and L*a*b*; all in 8 bit and 16 bit.
    • Maximum image size: 65536 pixels (which results in 65536 patches).
  • Added “Use the patch Name as the patch ID“ command in the Patch view Tab Re-map menu and in the Tabular data Tab contextual menu. This command was added after it was noticed that patch IDs were now incorrectly assigned to the Name tag in exported CGATS files from X-Rite’s ColorPort 2.0. After using the command, it is possible to correctly change the layouts of IT8.7/4 and ECI2002 files.
  • Added “Assign the patch-ID as the patch-Name” checkbox in the “Import CxF2” dialog. In some CxF2 files, the patch-ID field contains the patch-Name; by checking this box, you can import the ID field as the Name.

Improvements:

  • The saved/exported file name is now shown in the file window title after the file is saved.
  • A check is now made on the patch IDs of ECI2002 and IT8.7/4 files to see if they match the expected values; a message is shown to the user if the check fails.
  • Patch view tab of opened files: You can rename a patch using the alternate contextual menu (Shift + right-click).
  • Tabular data tab of opened files: You can rename a patch by clicking in the Name column.
  • The Info window now shows the beginning and end of long file names.

Bug fixes:

  • Will now deselect any selected Name cell when renaming the Unconstrained Patch-Reader patches.
  • Now properly sets the rows when changing the layout of ECI2002 and IT8.7/4 files.
  • Added Exception handling when opening and re-opening a file which is locked by another application.
  • (Windows) A Display-Check sequence will now stop when pressing the Stop button.
  • Will now correctly interpret CxF2 input values when the program runs in an international environment where the “thousands” separator is a period.

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Version 3.0.0 b228 (2011-01-10)

New features:

  • Patch-Reader tool: This tool is designed to measure targets or individual colors in reflectance (i1 Pro only). Measurements are exported to a CGATS type file for compatibility with most applications. There are three measurement modes:
    • Unconstrained measurements: Measure color patches in any order; select between the XYZ, L*a*b*, or L*C*h* color spaces. You can re-order the measurements by dragging them in a list; you can sort, delete, or rename any measurement. Look at any or all spectrums on a graph.
    • Custom charts: Define a chart by assigning rows and columns numbers. Measure the patches individually (Patch mode) or line-by-line (Strip mode). You can use a timer to automatically trigger a measurement at fixed time intervals when in “Patch” mode. The Strip mode works with lines of patches which exhibit a high contrast between them or with lines of patches which have contrast gaps.
    • PatchTool file: Select any opened file as a reference. The measured patches can be visually compared with the reference colors in the file. The other features are identical to the ones of the Custom chart.
  • CMYK data can now be assigned to an ICC profile. When opening a file consisting only of CMYK data, you can assign any ICC profile to this data. When a file has no CMYK data, you can select any CMYK ICC profile to convert the imported colors to CMYK. Note: As in previous versions, when a file has CMYK data in addition with another color reference, such as XYZ or L*a*b*, CMYK is imported as is.
  • RGB data can now be assigned to an ICC profile in addition to the standard RGB spaces of the previous version. When opening a file consisting only of RGB data, you can assign any ICC profile to this data. When a file has no RGB data, you can select any RGB ICC profile or the built-in RGB spaces to convert the imported colors to RGB. Note: When a file has RGB data in addition with another color reference, such as XYZ or L*a*b*, RGB is imported as is.
  • Compare files saved from Display-Check Quick-Test measurements will now re-open with the “xy graph” and “Display data” tabs.
  • Export of spectral data in CGATS files: You can now select between three data tags types for spectral data: nm450, SPECTRAL_450 (used in ColorPort), and SPECTRAL_NM_450.

Improvements:

  • Display-Check tool:
    • Revised interface.
    • When making a test using a PatchTool file, and when applicable, the tool shows information on the RGB or CMYK profile that was used to derive the file XYZ data.
  • Gamut Tools Convert / Clip check:
    • Revised interface.
    • When you select a file, you get the data type used for import, the profile information associated with the CMYK and RGB data, and the currently selected Illuminant and Observer settings.
  • Average tool:
    • When applicable, the tool shows information on the RGB or CMYK profile that was used to derive the file XYZ data.
    • The tool dialog can be resized for long file names.
  • Compare tool:
    • When applicable, the tool shows information on the RGB or CMYK profile that was used to derive the file XYZ data; it also indicates if the file contains imported CMYK or RGB data.
    • The tool window can be resized for long file names.
  • Patch view tab of opened files: Revised interface.
  • Tabular data tab of opened files:
    • Revised interface.
    • You can now associate any CMYK or RGB profile to the computed values of these spaces (if the file did not contain CMYK or RGB data). In a Compare file, separate profiles can be associated with the REFERENCE and SAMPLE.
  • Missing info dialog: Now supports the selection of ICC profiles for CMYK and RGB data.
  • CxF2 import dialog: When importing non-defined RGB and CMYK data, the Missing info dialog is used to assign an ICC profile.
  • Export dialog:
    • When you select a file, you now get the data type used for import, the profile info for CMYK and RGB data in the file.
    • The dialog automatically imposes some data types when exporting Compare files obtained with Display-Check.
  • Munsell export:
    • New database which results in better conversion precision.
    • The conversion speed is typically 2X faster.
  • All reports and export files now contain more information and comments that describe the data in the file.

Bug fixes:

  • Will show a warning message and not an error message when trying to save a file which is opened by another application, or locked.
  • It is not required to restart the program if an Eye-One Display is disconnected and replaced by an i1Pro, and vice-versa, in order for the program to recognize the new instrument in the Display-Check tool.

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Version 2.8.0 b182 (2010-01-28)

New feature:

  • Display-Check tool: Added a chromaticity diagram to show the measured primaries locations relative to the ones of standard RGB spaces. This diagram is generated when performing a Quick-Test with a Neutral ramp plus R, G, and B ramps.

Improvements:

  • A dialog is now presented to the user when a Version-1 CxF file is not Standalone. The user can select between letting the program try to parse it, or cancel the import (cancelling import was imposed in prior versions).
  • Display-Check tool: The sections of the Help manual describing the tool options were rewritten and examples were added.
  • Revised the Appendix on Color Management in the Help manual.

Bug fixes:

  • Now properly retrieves the black level when generating a report in the Compare window 'Display data' tab; the problem occurred when doing a Quick-Test with just a Neutral ramp.
  • Now properly resets the Minimum and Maximum 'L' values when clicking on the 'Default' 'Grid options', button of the OSA UCS tool.

Other:

  • The default choice is now to discard the measured RAW data after a Display-Check, and NOT to save it.

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Version 2.7.0 b173 (2009-09-23)

New features:

  • Added support for the Optical Society of America Uniform Color Scales (OSA UCS):
    • Import UCS color lists defined as Ljg coordinates into a PatchTool file.
    • Generate UCS color lists for any of the nine standard UCS data planes.
    • Export any opened file (with spectral data or 10 degree Observer data) as UCS coordinates.

Improvements:

  • Added “D93” and “E” in the illuminant list.
  • Added an alternate contextual menu to the “Patch view” tab. This new menu can be used to reassign the color of a single patch (single files and Compare files) or of a range of patches (Compare files only).
  • Minor interface changes in the Gamut tools window and in the Export dialog.

Bug fixes:

  • (Mac OS X 10.6 Snow Leopard) Fixed a compatibility problem which made the program crash on startup.
  • Disabled Munsell export for files defined only with the 10 degree Observer.

Go to the Tutorials page for an Application Note on the OSA UCS (Look for the AN-7 App Note).

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Version 2.6.0 b154 (2009-04-06)

New features:

  • Open CxF Version-2 files, such as the ones generated by the X-Rite ColorMunki:
    • Import a Color Collection, or a Color Set within a Palette, into a PatchTool file.
    • Import Quality Control standard or measurement data into individual files, or import both the standard and one measurement set into a PatchTool Compare window.
    • Support for the following reflectance color spaces: L*a*b*, L*C*h*, XYZ, xyY, AdobeRGB, sRGB, RGB, CMYK, plus spectral data.

Improvements:

  • Added menu shortcuts to folders containing sample files and IDEAlliance reference files.
  • Added a “Recent Open” menu where the last 10 files that were opened can be accessed directly.
  • Added keyboard shortcuts to all tools, for window organization functions, and for the Help file.
  • Added the 2009 versions of the ISO 12647-7 reference files in the IDEAlliance files folder and restructured the IDEAlliance help documentation.

Bug fixes:

  • Fixed the contextual copy-data menu in the Compare window “Patch view” tab, where only the Reference data was copied.
  • Fixed the problem in the Average tool where the average of spectral data was sometimes scaled incorrectly.
  • Fixed issues with the previous keyboard shortcuts.
  • Now correctly computes the size of the vertical markers, used to separate patches in a target image, when a change is made in the resolution field of the Image tab in the Export window.
  • (Windows XP) Fixed the problem where some popup menus would not work properly in the Traditional Chinese version of the OS.

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Version 2.5.0 b142 (2009-01-26)

New features:

  • Gamut Tools:
    • Convert RGB or CMYK data assigned to a Source profile to a Destination profile.
    • Convert RGB or CMYK data assigned to a profile to the Profile Connection Space (i.e. L*a*b*/XYZ).
    • Convert L*a*b* or XYZ file data to RGB or CMYK through a profile.
    • Check if RGB or CMYK data assigned to a Source profile is clipped by a Destination profile.
    • Check if L*a*b* or XYZ file data is clipped by a Destination profile.
    • Generate device dependent RGB or CMYK color lists.
    • Generate device independent color lists (L*a*b*/L*C*h*/XYZ) with a gamut limited by a profile.
    • Determine the gamut volume of a profile.
  • L*a*b* data contained in CxF files (CxF 1.0) can now be imported (in addition to spectral data).
  • The patches width and height can now be separately assigned when exporting patches as images. In previous versions, the width and height were always the same.
  • Contrasted markers can be added between patches when exporting an image; these markers enable scanning of the printed image one line at the time instead of patch by patch (this feature is designed specifically for i1-Pro instruments).

Improvements:

  • Export image dialog: The interface used to specify the patch and image sizes was redone. Also added “cm” units to the patch and image sizes.
  • Will now open CxF files (CxF 1.0) which do not contain a description of the CxF file structure, also called the Document Type Definition (DTD), since the DTD is not inserted in the file by all applications.

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Version 2.3.1 b110 (Mac only) (2008-10-10)

Bug fix:

  • Fixed a bug that made the program crash on start-up. The problem was seen on Macs running OS X 10.5.5.

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Version 2.3.0 b109 (2008-06-16)

New features:

  • Added support for X-Rite DTP94 (MonacoOPTIX) colorimeter.
  • PatchTool Compare files can be re-opened within PatchTool for further analysis.
  • Now records the measuring instrument Serial Number in exported files and reports.

Other:

  • There is no more a requirement to be a system administrator in Windows XP; this change also makes the program better compliant to Windows Vista security requirements.
  • Windows 98 is no longer supported; the last compatible version for this OS is 2.2.0.

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Version 2.2.0 b102 (2008-04-14)

New features:

  • Added support for Datacolor's Spyder3 colorimeter. PatchTool uses an exclusive adaptive algorithm to speed-up data-acquisition while minimizing noise. The measurement time is based on the patch display luminance, and there are two user-selectable modes which place emphasis on either SPEED or PRECISION.

Improvements:

  • Display-Check measurements with the Spyder2 are now done with an adaptive measurement algorithm similar to the one used for the Spyder3. In SPEED mode, measuring the 1617 patches of an IT8.7/4 target can now be done 2.4X times faster than with previous PatchTool versions, with negligible effect on the measurements statistics.
  • The decimal separator for exported data can now be forced to a period (0.0) even when the program runs in an international environment where the decimal separator is a comma (0,0). This option facilitates data exchange with applications that are not international-savvy.

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Version 2.1.0 b098 (2008-03-25)

New features:

  • PatchTool has a new feature which helps to fulfill the requirements set forth by IDEAlliance for printer (SWOP and GRACoL approved papers) and monitor proofing certification. In particular, when IDEAlliance proofing reference data of an IT8.7/4 target is compared to measured data, a report can automatically be generated. This report covers the statistical analysis of all IT8.7/4 patches as well as the comparison of specific patches of the chart. More information can be found in application notes AN-3 and AN-4.
  • An IT8.7/4 chart layout can now be changed between “Measured”, Random” and “Visual”. You can also assign the official IT8.7/4 patch IDs if they were not in the opened file.
  • For ECI2002 charts, you can now assign the official ECI2002 patch IDs if they were not in the opened file.

Bug fixes:

  • (Mac) New drivers are provided for the Datacolor Spyder2 colorimeter. The old drivers freeze the application when a Spyder3, a more recent model, is connected. There is no problem when a Spyder2 is connected.
  • Fixed the issue where display measurements made with the Eye-One Display, the Eye-One Display 2, or the Spyder2, were corrupted. The i1Pro was not affected by the problem.
  • The program will now react properly if the previous default display profile is missing at program start.

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Version 2.0.0 b091 (2007-12-06)

New features:

  • PatchTool display output is color-managed and can be set to use the system default display color profile, a built-in color profile, or any user-assigned ICC profile.
  • Display-Check tool:
    • Measure your display characteristic within PatchTool using the Datacolor Spyder2 or the X-Rite Eye-One line of instruments (i1Pro or Eye-One Display).
    • Export the RAW display measurements for independent analysis.
    • Check your display performance using built-in Quick-Test patches. The reference patches and their measured values are shown in a Compare window. For these patches, you also get a dedicated “Display data” tab with additional comparative data.
    • Check your display performance using any color list opened in PatchTool and compare the reference list with the measured values.
  • Compare tool statistical tab (“Stats”):
    • Extract statistical data from compared files using any color-difference parameter.
    • Select between “Absolute”, combined Neg./Pos., or separate Neg./Pos. statistics.
    • Obtain graph and data of the Cumulative Relative Frequency (CRF), which is helpful in establishing SWOP / GRACoL IDEAlliance certification.
  • Export color lists in Munsell “Hue Value/Chroma” notation. Select the color-difference formula used for conversion. Select from three output formats (number of columns).

Bug fix:

  • (Windows Vista) Windows Vista incorporates a Data Execution Prevention (DEP) feature which monitors how applications access memory. In most Vista Home systems, the DEP setting is set, by default, to check only the system programs and services; in this case, even before the fix, PatchTool started correctly. However, the DEP setting can be changed by the user, either globally or on a program by program basis, and its default setting may also vary for other OS configurations. PatchTool did not start when the DEP was assigned to all applications, or to PatchTool only; this has been fixed.

Improvements:

  • (Mac) The program is now offered in Universal binaries and Intel packages.

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Version 1.1.1 b057 (2007-05-21)

Bug fixes:

  • Fixed the crash that happened when exporting the XYZ data of Compare files that do not have spectral data.
  • Fixed a data corruption problem which affected XYZ data when sorting the data table.
  • Fixed a display rendering problem caused by a combination of the Lightbox setting with other commands which affect the patches order.

Improvements:

  • More robust parser for CGATS and plain text files.

Other:

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Version 1.1.0 b052 (2007-03-26)

New features:

  • Compare tool:
    • Compare two files (with the same number of patches) in the same window.
    • Sort patches according to the difference in any of the following parameters: C, M, Yellow, K, R, G, B, x, y, X, Y, Z, E*, L*, a*, b*, C*, h*, or H*.
  • Import RGB data encoded in 8 bit, 15 bit, 16 bit, or scaled to 100%.
  • Recognizes ECI2002 color lists and can display their data in the Measured, Random, or Visual layouts.
  • Export RGB data encoded in 8 bit, 15 bit+ (i.e. Photoshop "16 bit'), "true" 16 bit, or scaled to 100%.
  • Export spectral data in either 0-1 or 0-100% ranges.
  • Export spectral data with either a 380 to 730 nm range or a 400 to 700 nm range.

Bug fixes:

  • (Mac) Corrected 16 bit export for TIFF image.
  • (Mac) Fixed crashes which happened when clicking on the top window action buttons while the program was busy.
  • Corrected the cases, for non-spectral color lists, where data was corrupted when exported to the BabelColor CT&A database.

Improvements:

  • Better handling of files which were saved with numbering formats (i.e. decimal and thousands separators) which do not correspond to the computer’s Regional settings.
  • More internal precision that enables handling of 16 bit RGB and higher accuracy in obtaining RGB values close to zero.
  • Faster and higher quality JPEG export. QuickTime not required anymore on Windows for JPEG export.
  • Many other improvements.

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Version 1.0.0 b026 (2007-01-03)

New features:

  • First released version for Windows and Mac.

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Last modification : 01 octobre 2014