Historical:Create a custom ptviewer jar file

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Sometimes the simple way by showing your panoramas using the PTViewer Java applet leads to problems, e.g. firewalls at the client side disallow a .jar file to load other files. Then your panoramic won't show at all. Another reason to create custom PTViewer JAR files might be the need to include a subset of classes to enable special functions and at the same time don't use the full featured applet with a bigger file size.

This article will try to explain for users of different platforms how to build such a jar step by step. A jar is basically a zip archive with a certain structure of elements. Feel free to edit and improve this page.

Elements that can be packed in a jar

  • Panoramic image in equirectangular projection as JPEG
  • A small preview image that is shown while the panoramic image is loaded and decompressed
  • Classes
  • What else?

Useful hints

How to detect the Java version on MacOS X

open Terminal and type 

java -version

press return and you should get something like 

java version "1.4.2_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-233)
Java HotSpot(TM) Client VM (build 1.4.2-56, mixed mode)

If you get an error message please update your Java version

Other hints

External links

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