Chart Information File

The structure of the chart information file is similar to the structure of a standard IT8 file. The chart information file is a text file using UTF-8 character encoding. Enter the following items and values in the chart information file.
    Note:
  • You can create a custom chart based on the sample chart information files available under C:\RicohAutoColorAdjuster\ReferenceChart\CMS\SampleChartInfoFiles

Category Item Value
Chart Information CHART_NAME Enter the chart name using quotation marks as described below:
  • This value is automatically assigned to the measurement file name if you leave the File Name field empty. Do not use the following characters: /:*?<>\|"
  • Number of characters: up to 250 characters.

Example: "Measure Sample1"
SHEET_WIDTH

SHEET_HEIGHT

 Enter the paper width and length along the sub-scan direction:
  • Unit: 100 (1 mm, 0.04 inches)
  • Width: from 21000 through 33000 (210– 330 mm, 8.2–13 inches)
  • Length: from 21000 through 48700 (210– 487 mm, 8.2–19.2 inches)

Example: Width 29700 (297 mm, 11.7 inches), Length 42000 (420 mm, 16.5 inches)
PATCH_WIDTH

PATCH_HEIGHT

 Enter the horizontal and vertical lengths of a color box:
  • Unit: 100 (1 mm, 0.04 inches)
  • Minimum: 700 (7 mm, 0.28 inches)
  • Maximum: 1500 (15 mm, 0.6 inches)

Example: 700 for both the horizontal and vertical lengths
Color box information NUMBER_OF_PATCHS Enter the total number of color boxes on the color chart.

Example: 200
COLOR FORMAT CMYK

BEGIN_DATA_FORMAT

SAMPLE_ID CMYK_C CMYK_M CMYK_Y CMYK_K

END_DATA_FORMAT
BEGIN_DATA

END_DATA

 Enter the colors used in the colorimetry chart. Each row contains the values defining a color box, separated using the Tab character.
  • First column: identifier of the color box unique in the chart information file. Do not use blanks in the identifier.
  • Second column: value from 0 through 100 corresponding to Cyan.
  • Third column: value from 0 through 100 corresponding to Magenta.
  • Forth column: value from 0 through 100 corresponding to Yellow.
  • Fifth column: value from 0 through 100 corresponding to Black.

Between the BEGIN_DATA and END_DATA lines, enter as many color definitions as specified by the NUMBER_OF_PATCHS value.

Example:

BEGIN_DATA

1 70 40 10 0

...values for 2–199 are not included in this example

200 10 100 30 0

END_DATA

Example of Chart Information File

CHART_NAME "Measure Sample1"

SHEET_WIDTH 29700

SHEET_HEIGHT 42000

PATCH_WIDTH 700

PATCH_HEIGHT 700

NUMBER_OF_PATCHS 200

COLOR FORMAT CMYK

BEGIN_DATA_FORMAT

SAMPLE_ID CMYK_C CMYK_M CMYK_Y CMYK_K

END_DATA_FORMAT

BEGIN_DATA

1 70 40 10 0

2 100 20 10 10

3 80 80 100 10

...

200 10 100 30 0

END_DATA
Parent topic: Adding a Colorimetry Chart