How can I continuously auto-save and auto-name the JPEG files with a controlled time interval
Hi,
I am newly involved in some Labview projects that out of my knowledge. I am trying to save multiple JPEG images from a live imaging task to a folder in the computer hard disk every certain minutes. I'd like to name these files with the date and time (eg. Img_06012011_1635. jpg).Then, after hours long image capturing, I can have all the image files in a neat order.
My goal is to have the jpg files auto saved and auto-named with the data and time at that moment. I also need to control this waiting time between each savings.
Could you please show me some hints about this? See the vi attached, I know I need to do something on the "write path" part on the up right corner. Thanks!
Solved!
Go to Solution.
Attachments:
capture.vi 28 KB
Thanks, Steve. When I built up a path with the date and time info and send them to the WriteJPEG File.vi like you mentioned, it stopped saving any files into the folder. Do you think this is the problem from my while loop?Could you show me if there is any other secret functions that restrains the file saving?
I am planning to save the image files every 30 secs,for example, and then I can have a bunch of jpg files with their unique names after hours long image acquisition.
I appreciate you kindly help!
Attachments:
capture(updated).vi 29 KB
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Enter Scrip Editor
paste the posted script
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Move the script to the folder :
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CAUTION, you will be asked to enter your pasword.
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Copyright © 2002–2007 Apple Inc.
You may incorporate this Apple sample code into your program(s) without
restriction. This Apple sample code has been provided "AS IS" and the
responsibility for its operation is yours. You are not permitted to
redistribute this Apple sample code as "Apple sample code" after having
made changes. If you're going to redistribute the code, we require
that you make it clear that the code was descended from Apple sample
code, but that you've made changes.
modified by Yvan KOENIG (VALLAURIS, France)
2011/12/08
This version normalize pictures so that
(1) the greater dimension become the width one (rotate left if needed)
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property extension_list : {"tif", "tiff", "gif", "png", "pict", "pct", "jpeg", "jpg"}
on adding folder items to this_folder after receiving these_items
tell application "Finder"
if not (exists folder done_foldername of this_folder) then
make new folder at this_folder with properties {name:done_foldername}
end if
set the results_folder to (folder done_foldername of this_folder) as alias
if not (exists folder originals_foldername of this_folder) then
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set current view of container window of this_folder to list view
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set the originals_folder to folder originals_foldername of this_folder
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try
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set this_item to item i of these_items
set the item_info to the info for this_item
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on resolve_conflicts(this_item, target_folder, new_extension)
tell application "Finder"
set the file_name to the name of this_item
set file_extension to the name extension of this_item
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set target_extension to file_extension
else
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end if
end tell
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end resolve_conflicts
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on process_item(source_file, new_name, results_folder)
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-- FILE PROCESSING STATEMENTS GOES HERE
try
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set the target_path to ((results_folder as string) & new_name) as string
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launch -- always use with Folder Actions
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set {oldW, oldH} to dimensions of this_image
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set {oldW, oldH} to {oldH, oldW}
rotate this_image to angle 270.0
end if
set |échelle| to maxWidth / oldW
if |échelle| < 1 then scale this_image by factor |échelle|
save this_image as JPEG in file target_path with icon
close this_image
end tell
end timeout
on error error_message
tell application "Finder"
activate
display dialog error_message buttons {"Cancel"} default button 1 giving up after 120
end tell
end try
end process_item
--{code}
Yvan KOENIG (VALLAURIS, France) jeudi 8 décembre 2011 21:25:33
iMac 21”5, i7, 2.8 GHz, 12 Gbytes, 1 Tbytes, mac OS X 10.6.8 and 10.7.2
My iDisk is : <http://public.me.com/koenigyvan>
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