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-   -   Using Meta Data in Image (http://forums.omnigroup.com/showthread.php?t=24178)

Simon Knight 2012-05-12 12:35 AM

Using Meta Data in Image
 
Hi,

Is it feasible to extract some of the meta data associated with a photograph and have it displayed in a text box? I am looking to produce a template that will allow me to create a "photo book" that I will print out locally and I would like to include capture date and caption as text.

best wishes

Simon

RobTrew 2012-05-13 03:25 AM

You may find some reusable Applescript elements in this, which shows how to read any "Creation" tag which may be present in the file.

[CODE]property pTitle : "Place several images Ver 0.6" -- IN OMNIGRAFFLE
property plngAcross : 4 -- number of thumbnails to place in a row
property prScale : 0.2 -- thumbnail size as a proportion of full size
property pblnShadow : false


-- CHOOSE SOME IMAGES (SELECTING SEVERAL IMAGES FROM THE FILE DIALOG)
tell application id "sevs"
activate
set lstFiles to (choose file with prompt "Place one or more images" with multiple selections allowed)

end tell

-- PLACE ALL THE SELECTED IMAGES IN A NEW DOCUMENT
tell application id "OGfl"
activate
tell front canvas of (make new document with properties {automatic layout:false})
set {rOriginX, rOriginY} to {0, 0}
set lngMaxHeight to 0

set i to 0
set my text item delimiters to "/"
repeat with oFile in lstFiles
try
-- GET THE DIMENSIONS AND (ANY CREATION TAG) OF THE FILE
set strFile to POSIX path of oFile
tell application id "imev"
tell (open file strFile)
set {rX, rY} to dimensions
try
set strCreation to value of metadata tag "Creation"
on error
set strCreation to ""
end try
close saving no
end tell
end tell

-- SCALE DOWN TO THUMBNAIL
set {lngWidth, lngHeight} to {rX * prScale, rY * prScale}

-- AT THE END OF THE ROW RETURN TO LEFT HAND PAGE, AND MOVE DOWN A ROW
if i ≥ plngAcross then
set rOriginX to 0
set rOriginY to rOriginY + lngMaxHeight
set lngMaxHeight to 0
set i to 0
else
-- RECORD THE MAXIMUM DEPTH IN THE CURRENT ROW OF THUMBNAILS
if lngHeight > lngMaxHeight then set lngMaxHeight to lngHeight
end if

-- CREATE A THUMBNAIL with [folder/filename] of source image in url
set strPathEnd to (items -2 thru -1 of (text items of strFile)) as string
make new shape with properties {origin:{rOriginX, rOriginY}, size:{lngWidth, lngHeight}, draws stroke:false, fill:no fill, draws shadow:pblnShadow, image:strFile, url:strPathEnd}

-- AND INCREMENT THE HORIZONTAL POSITION
set rOriginX to rOriginX + lngWidth
set i to i + 1
on error
display alert strFile & " does not appear to be a graphic file ..."
end try
end repeat
set my text item delimiters to space
end tell
end tell
[/CODE]


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