Tranquillity Base > Photo Meta Edit > User Guide > Tagged-Format Metadata

• Sorting Items
• Editing TIFF, Exif
• Copy & Paste
• Batch Functions for Date-Time metadata
• Editing GPS
• TIFF Tag List
• Exif Tag List
• GPS Tag List

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NOTE:
As is written in the Metadata Types, this metadata format defined in TIFF Rev. 6.0 is called Tagged-Format Metadata in this User Guide.

You can sort by Tag Number, Tag Name or Custom.

Select the metadata type TIFF, Exif or GPS, and then do one of the following.

• Choose Metadata > Sort By > "...."
• Control-click the table of metadata items, and then, in the context menu, choose Sort By > "...."

If you choose sort by Custom, you can drag-and-drop the metadata items in the order you want.

1. An editable item. Click to edit an embedded metadata item.
2. An addable item. Click to add a metadata item into image file(s).
3. Pop-up menu of addable items. Choose an item to add metadata into image file(s).
4. Remove selected metadata items.
5. Switch to show only embedded metadata items or to show embedded and addable metadata items.

Double click a metadata item or click or to show the editing sheet for the Tagged-Format Metadata.

Recorded two integer values. The first is the numerator and the second is the denominator.

You can also enter decimal fraction or common fraction value directly like the following.

The most of the character type items of Tagged-Format Metadata can only use ASCII code.

The User Comment Tag #37510 can use the Unicode and JIS code. You should not use the JIS code characters because these are not recognized in most other image viewer apps.

※Unicode Characters Garbled
In Photo Meta Edit v2.2.6, the unicode encoding to use has been changed to become adapted to Apple's Preview version 8.1 or later.
・Up until the version 2.2.5: only used UTF-16BE
・Since the version 2.2.6: UTF-16BE and UTF-16LE are used respectively according to the endianness of the metadata

Endianness is byte order to store data in memory. There are two endiannesses, Big-Endian (BE) and Little-Endian (LE). The LE is that the least significant value in the sequence is stored first. The Tagged-Format metadata (including Exif, GPS) is stored by one of the endiannesses.
You can see which one a metadata is stored by on the metadata type list as below.

Photo Meta Edit version 2.2.6 or later stores and displays unicode characters of TIFF (BE) by UTF-16BE, and of TIFF (LE) by UTF-16LE.

The unicode characters of TIFF (LE) that written by Photo Meta Edit version 2.2.5 and earlier are garbled in version 2.2.6 or later. And also in Apple's Preview version 8.1 or later. Because these are stored by UTF-16BE.

♦ Fixing Garbled Characters
You can fix it in either of the following ways.

1. On the items view:
Choose the TIFF (LE) on the metadata type list, choose an item of garbled unicode characters. Show the context menu, and then choose "Reverse Byte Order".

2. On the Favorites view:
Click the "!" button to show the action view, and then click the "Reverse Byte Order" button.

The Exif specification does not specify an encoding of unicode. It allows you to use the other encodings of unicode. There may be exif editor apps that does not use the UTF-16 encodings. If garbled unicode characters that stored by other than UTF-16 encodings (e.g. UTF-8, UTF-32) cannot be fixed by the below steps.

Choose a value from pre-defined data.

Select metadata item(s) you want to copy, and then choose Edit > Copy.

Select image file(s) you want to paste, and then choose Edit > Paste.

For multiple images, you can use the batch functions to change a Date-Time metadata item of the following.
- Tag #306: Date Time (TIFF)
- Tag #36867: Date Time Original (Exif)
- Tag #36868: Date Time Digitized (Exif)

Select image files you want to edit, and then select "TIFF" or "Exif" in the Metadata Type List

Click of a Date-Time metadata item to show the Batch editing sheet. And then choose a function from the function pop-up button.

For Example: Forward 30 minutes

	DSCN0067	2012:10:15 14:28:21	→	2012:10:15 14:58:21
	DSCN0069	2012:10:15 15:47:03.25	→	2012:10:15 16:17:03.25
	DSCN0070	2012:10:15 15:47:03.28	→	2012:10:15 16:17:03.28
	DSCN0071	2012:10:15 16:03:51	→	2012:10:15 16:33:51
	DSCN0072	None	→	None
	DSCN0073	2012:12:24 19:02:39	→	2012:12:24 19:32:39

For Example: 10 minute intervals

	DSCN0067	2012:10:15 14:28:21	→	2012:10:15 14:28:21	(The top date-time is not changed)
	DSCN0069	2012:10:15 15:47:03.25	→	2012:10:15 14:38:21.00
	DSCN0070	2012:10:15 15:47:03.28	→	2012:10:15 14:48:21.00
	DSCN0071	2012:10:15 16:03:51	→	2012:10:15 14:58:21
	DSCN0072	None	→	2012:10:15 15:08:21	(added date-time)
	DSCN0073	2012:12:24 19:02:39	→	2012:10:15 15:18:21

You can drag and drop files to change the order of them if necessary.

Set the same date time values in each files.

The values of batch editing time fields are applied in a left-to-right order.
Years → Months → Days → Hours → Minutes → Seconds → Subseconds.

Examples:

• Adding one month and six days to 25th September results in 31st October, not 1st November.
• Adding one month and four days to 29th June results in 2nd August, and then subtracting one month and four days to 2nd August results in 28th June, not 29th June.
• Adding one month to 30th and 31st August results in 30th September. The each results are the same date.
• Adding one month and seven days to 25th August and to 25th September results 2nd October and 1st November. But each number of days added are not the same. The first is 38 days, the second is 37 days.

It might be appropriate to use day values for incrementing/decrementing. If you need to calculate dates, click the "Date Calculator..." button.

The subsecond metadata are stored in the Exif, separately from date-time metadata.

- Tag #37520: Subsecond of Date Time (#306 in TIFF)
- Tag #37521: Subsecond of Date Time Original (#36867 in Exif)
- Tag #37522: Subsecond of Date Time Digitized (#36868 in Exif)

If you enter a one-digit subsecond value, it will be converted to the two-digit value (centiseconds). Example: 2 → 20

In the Batch editing sheet, you can enter a two or three-digit value (centiseconds or milliseconds).

To add GPS Coordinates metadata. Do one of the following:
- Choose Metadata > Add > GPS > "Registered Coordinates"
- Choose Metadata > Add > GPS > Custom... and then ckick on the Map

You can edit the GPS Coordinates by clicking on the Map.

Enter keywords, address, street name, and so on in the search field. And then press the return key.
The search results are displayed on the Map.

You can also see them in the Location pop up menu.

To change GPS Coordinates. Do one of the following:
- Choose a result of location in the Location pop up menu.
- Click a blue flag, then the infomation is appeared. Click the Set button.

The following three types of GPS direction-related metadata can be displayed on the map.

- Tag #15: Track
- Tag #17: Image Direction
- Tag #24: Destination Bearing

To add/edit the directions, enter a value (0.00 ~ 359.99) or use the circular dials.
North: 0.0, East: 90.0, South: 180.0, West: 270.0

You can choose how to display it like the below, Line, Delta and Camera, by clicking the three-gray-dot button.