Create a custom ptviewer jar file

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==Introduction==
 
 
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.
 
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.
 
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==
+
== Elements that can be packed in a jar ==
*panoramic image in equirectangular projection as jpg
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* Panoramic image in equirectangular projection as [[JPEG]]
*a small preview image that is shown while the panoramic image is loaded and decompressed
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* A small preview image that is shown while the panoramic image is loaded and decompressed
*classes
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* Classes
*what else?
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* What else?
  
==useful hints==
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== Useful hints ==
===how to detect the Java version on MacOS X===
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=== How to detect the Java version on MacOS X ===
 
open Terminal and type
 
open Terminal and type
 
  java -version
 
  java -version
Line 19: Line 18:
 
  Java HotSpot(TM) Client VM (build 1.4.2-56, mixed mode)
 
  Java HotSpot(TM) Client VM (build 1.4.2-56, mixed mode)
 
If you get an error message please [http://docs.info.apple.com/article.html?artnum=106704 update] your Java version
 
If you get an error message please [http://docs.info.apple.com/article.html?artnum=106704 update] your Java version
===other hints===
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=== Other hints ===
  
==Links==
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== External links ==
*[http://java.sun.com/docs/books/tutorial/jar/basics/build.html sun.com tutorial "Creating a JAR File"]
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* [http://java.sun.com/docs/books/tutorial/jar/basics/build.html sun.com tutorial "Creating a JAR File"]
*[http://webuser.fh-furtwangen.de/%7Edersch/PTVJ/helpers.html Helmut Dersch "How to Bundle Extensions"], very basic
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* [http://webuser.fh-furtwangen.de/%7Edersch/PTVJ/helpers.html Helmut Dersch "How to Bundle Extensions"], very basic
  
 
[[Category:Software:Platform:Linux]]  
 
[[Category:Software:Platform:Linux]]  

Latest revision as of 05:37, 26 September 2007

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.

Contents

[edit] 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?

[edit] Useful hints

[edit] 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

[edit] Other hints

[edit] External links

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