Trouble Shooting
I visited the page "3D community" on 100town.com, why there is nothing to see? The 100town system needs the jdk1.5 or higher version installed. Make sure you machine has it. If not, go to
When I opened a scene, there are no pictures, only grey rectangles. What’s wrong? The system needs to download material from 100town server. If the downloading process meets a broken network connection, the picture will be showed as a grey rectangle. You could try to reload page by pressing hotkey Ctrl+R or clicking right-mouse button in the application to view the hint menu, and then choose the item “reload page”. My scene is only partly showed on someone’s screen. The 100town’s application uses hardware-acceleration to show 3D scenes. Even though most of video-card support 100town’s tech, there are some old-version video cards or in-board video cards (especially on some notebooks) which has only limited video memory. On these computers, hardware chooses to ignore some part of scene to save memory. For more information about the video card, please visit here. So it is important when designing a scene to consider the total size that all the pictures used. For more information, please refer to Photo Compression and other Consideration. I made a pretty good scene. How could I make others know it? If you have a webpage by yourself, you could embed the scene in your own webpage. Or create a jnlp file and deploy the file on your web server. You could also write an email to webmaster@100town.com to recommend it. If we feel it reaches a certain standard, we could make a link on the home page of 100town.com How to use java Console panel? Java console panel can be used to view the program output messages, JVM debugging information and clear memory cache etc. For IE, go to menu: Tools -> Sun Java Control Panel For FireFox and other browsers, go to windows’ control panel, select Java. Go to menu Advanced. Select “Miscellaneous”, pick the option “place the java icon into system tray”. When visiting http://100town.com/web/public/community, a java icon can be in the system tray area, right-bottom side of windows. Right click on it and select “Open java console”. Now you can enter java console. It is important to know some commands: c: clear console window f: finalize objects on finalization queue g: garbage collect h: display this help message l: dump classloader list m: print memory usage o: trigger logging p: reload proxy configuration q: hide console r: reload policy configuration s: dump system and deployment properties t: dump thread list v: dump thread stack x: clear classloader cache The commands c, f, x are very useful. When some mystery problem happened, use these commands to clean the cache first. About Test COLLADA programs Why can't I see my model? 1. The definition of camera in the model might be incorrect. For example, in Sketchup the two parameters znear and zfar are usually defined as default value. But Test Collada will follow these two values strictly and only render vision in this area. If you are not sure about these two values, try to define zfar as a big value. 2. You are using two many textures or the texture file is too big. Maybe you need shrink your texture file or use fewer textures. 3. Usually running in JWS mode is safer because java opens an independent application for running. But running as Applet may cause the browser collapsed. Especially when enter the applet page repeatedly, the Java has flaws in the process of re-initial and release the applets. 4. Programs error. You can open the java console to check the error messages. If the information is not clear, write to collada@100town.com and we will fix our bugs ASAP. 5. You can send your models to collada@100town.com and we will test it in detail.
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