Canon DP-V3010 User LUT Creation Guide - Page 4

LUT File Configuration

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2. LUT File Configuration  LUT file name The LUT file name is assigned as follows. • Available character types: Half-width alphanumeric characters only • Number of characters that can be used: 48 characters max. (including file extension) • File extension: ".clut"  LUT file format The detailed LUT file format is shown below. Item Description LUT type type Designate gamma (1D-LUT) or gamut (3D-LUT). Number of lattice size • When the LUT type is gamma: Designate one of 128, 256, 512 or points 1024. • When the LUT type is gamut: Designate one of 9, 17, 33 or 65. Number of bits* bit 32F (32-bit floating decimal point, range: 0 to 1). Fixed value. Note: Handling of data outside this range results in an error. Lattice point array format* order Only when the LUT type is gamut. Designate top or bottom. The default when not designated is top. • When top is designated, add LUT data in the following order. Start: (0, 0, 0), (1, 0, 0), (2, 0, 0) ......, (last, 0, 0) ⇒ (0, 1, 0), (1, 1, 0), (2, 1, 0) ......, (last, 1, 0) ⇒ (0, 2, 0), (1, 2, 0), (2, 2, 0) ......, (last, 2, 0) • When bottom is designated, add LUT data in the following order. Start: (0, 0, 0), (0, 0, 1), (0, 0, 2) ......, (0, 0, last) ⇒ (0, 1, 0), (0, 1, 1), (0, 1, 2) ......, (0, 1, last) ⇒ (0, 2, 0), (0, 2, 1), (0, 2, 2) ......, (0, 2, last) Lattice point interval* interval Equal (even interval). Fixed value. Actual LUT data values • When the LUT type is gamma Method of noting one line: Gamma value (line break) • When the LUT type is gamut Method of noting one line: Red (tag) Green (tag) Blue (line break) Note: The limit number of characters for 32F is 10 characters or less (integer portion + decimal point + decimal portion). (Example) 0.12345678 Comment* # Use this to note the file name, date and time of creation, and other information. LUT name* name The available characters are ASCII 24 characters. Note: This is displayed as a selection item in the OSD menu of the display. Note: Items indicated by an asterisk (*) can be omitted. When an item is omitted, the corresponding tag name is also deleted. 4

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2. LUT File Configuration
LUT file name
The LUT file name is assigned as follows.
•
Available character types: Half-width alphanumeric characters only
•
Number of characters that can be used: 48 characters max. (including file extension)
•
File extension: “.clut”
LUT file format
The detailed LUT file format is shown below.
Item
Description
LUT type
type
Designate gamma (1D-LUT) or gamut (3D-LUT).
Number of lattice
points
size
•
When the LUT type is gamma: Designate one of 128, 256, 512 or
1024.
•
When the LUT type is gamut: Designate one of 9, 17, 33 or 65.
Number of bits*
bit
32F (32-bit floating decimal point, range: 0 to 1). Fixed value.
Note: Handling of data outside this range results in an error.
Lattice point array
format*
order
Only when the LUT type is gamut. Designate top or bottom. The
default when not designated is top.
•
When top is designated, add LUT data in the following order.
Start:
(0, 0, 0), (1, 0, 0), (2, 0, 0) ……, (last, 0, 0)
⇒
(0, 1, 0), (1, 1, 0), (2, 1, 0) ……, (last, 1, 0)
⇒
(0, 2, 0), (1, 2, 0), (2, 2, 0) ……, (last, 2, 0)
•
When bottom is designated, add LUT data in the following order.
Start:
(0, 0, 0), (0, 0, 1), (0, 0, 2) ……, (0, 0, last)
⇒
(0, 1, 0), (0, 1, 1), (0, 1, 2) ……, (0, 1, last)
⇒
(0, 2, 0), (0, 2, 1), (0, 2, 2) ……, (0, 2, last)
Lattice point
interval*
interval
Equal (even interval). Fixed value.
Actual LUT data
values
•
When the LUT type is gamma
Method of noting one line: Gamma value (line break)
•
When the LUT type is gamut
Method of noting one line: Red (tag) Green (tag) Blue (line break)
Note: The limit number of characters for 32F is 10 characters or
less (integer portion + decimal point + decimal portion).
(Example) 0.12345678
Comment*
#
Use this to note the file name, date and time of creation, and other
information.
LUT name*
name
The available characters are ASCII 24 characters.
Note: This is displayed as a selection item in the OSD menu of the
display.
Note: Items indicated by an asterisk (*) can be omitted. When an item is omitted, the corresponding tag
name is also deleted.