Java JPEG Exif GeoTag Editor

Description

• This is a Java library that can let user scan jpeg/jpg exif, report all tags, and change or remove geotag.
• This project offers App.java which can process all images in assets and a command line tool. For the instruction, please see the content below.
• Project that use this library: https://github.com/tahaafzal5/AugieGeoTag

Functions

• This library offers Jpeg which can parse jpeg/jpg and find exif raw data.
• This library offers JpegExif can scan the exif data and report to users.
• This library offers JpegOutputSet which can let user customize geotag (remove or update).

Download

git clone https://github.com/SichengYang/Java-JPEG-Exif-GeoTag-Editor.git

Compile Instruction

javac -d bin -cp .:./lib/hamcrest-core-1.3.jar:./lib/junit-4.13.2.jar --module-path <your javafx library path> --add-modules javafx.controls */*.java */*/*.java

Running Instruction

• Run App

java -cp bin App

• Run Tool

java -cp bin Tool <command>

• Run JUnit Test

java -cp .:bin:./lib/hamcrest-core-1.3.jar:./lib/junit-4.13.2.jar tests.<a test runner>

• Run JavaFX Progrma Editor

java -cp bin --module-path <your javafx library path> --add-modules javafx.controls Editor

Tool Command Instruction

command type:

-m remove for remove geotag, update for update geotag, verify for verify whether file is a jpeg, and print to print geotag (required)

-i name of input file or folder in assets folder. It could also be "." means process all images under assets (required)

-la latitude as a String (required when you select to update geotag)

-lo longitude as a String (required when you select to update geotag)

-help print help menu

Note: flag order does not matter

• remove geotag command sample:

-m remove -i <file path under assets>

• update geotag command sample:

-m update -i <file path under assets> -la <latitude> -lo <longitude>

• print geotag command sample:

-m print -i <file path under assets>

• verify jpeg command sample:

-m verify -i <file path under assets>

• print all tag command sample:

-m tag -i <file path under assets>

• print help menu:

-help

Geotag Support Format

• 100 30 20.99 N
• 100 40.99 S
• 100.88 W
• 100 30 20.99 (you can type in positive or negative to represent the direction)
• -100 -30 -20.99
• 100 40.99
• -100 -40.99
• 100.88
• -100.88

License

• It is licensed to Creative Commons Zero v1.0 Universal.

Sample Usage

• App.java under src
• Tool.java under src

Import Guide

• import jpeg.*;

Test Files

• Pease go to folder tests under src