Develop a Mac Application - 11/10/2016 03:20 EDT

I have 3 image jpg (750x1000 pixel) like below: (they placed in the same folder) https://forums.adobe.com/servlet/JiveServlet/showImage/2-9057348-1040679/11+[login to view URL] https://forums.adobe.com/servlet/JiveServlet/showImage/2-9057348-1040680/12+[login to view URL] https://forums.adobe.com/servlet/JiveServlet/showImage/2-9057348-1040681/121+[login to view URL] I want a script can open each jpg -> trace image with preset "jobtitle" -> expand it -> remove all black color (select black color, menu select -> same -> filter & stroke -> delete ) -> save like png (with the same name and 1500x2000px) -> close -> repeat with other jpg. [login to view URL]%[login to view URL] This is my code: ==================================================================== tell application "Finder" set theFolder to alias (POSIX file "/Users/thaian/Downloads/Working/DOWNLOADED/png2") set theFiles to every file of theFolder end tell tell application "Adobe Illustrator" set doc to current document repeat with aFile in theFiles set placedRef to make new placed item in doc with properties {file path:aFile as string} set traced to trace placed placedRef tell traced tell tracing tell tracing options load preset presetname "jobtitle" end tell #do script "BUOC 3" from "BaoNam" #set traced to expand tracing end tell end tell # set traced to expand tracing of traced of placedRef -- **** when I uncomment this line, AI is crashed and must be restart, I don't know why? **** # do script "BUOC 3" from "BaoNam" end repeat export current document to file pathString as PNG24 with options {class:PNG24 export options, horizontal scaling:200.0, vertical scaling:200.0, saving as HTML:false} #close current document saving no end tell ================================================================== Who can finish this? I will pay. Thank you