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Re: ImageJ as an applet and plugin support

Posted by Jon Harman on Jan 28, 2006; 7:07pm
URL: http://imagej.273.s1.nabble.com/ImageJ-as-an-applet-and-plugin-support-tp3703919p3703921.html

Hi,

Any way to set or change the memory for an Applet?

Jon
Rasband Wayne wrote:

>> Hello,
>> I am using ImageJ 1.35l on Windows XP.  Both it and a plugin I've  
>> written work fine run as a Java application.
>>
>> Now I would like to run them as an applet.  I copied the code of  
>> "http://rsb.info.nih.gov/ij/applet2/" into my own ImageJ directory  
>> and ran it from my browser.  ImageJ loads; however, it gives the  
>> following error message when it tries to open the image:
>>    "access denied (java.net.SocketPermission rsb.info.nih.gov resolve)
>>
>>    http://rsb.info.nih.gov/ij/images/FluorescentCells.jpg"
>
>
> Unsigned applets can only download images from the server they were  
> loaded from. You will need to either copy the images to your server  
> and edit the applet tag to reflect the new address, or to sign the  
> applet. Michael Abramoff has a signed ImageJ applet at
>
>      http://bij.isi.uu.nl/applet.htm
>
> and instructions explaining how he signed it.
>
>> Also, the plugins do not appear in the applet.  I've read on other  
>> example sites that either ij.jar needs to be rewritten or an  
>> additional file needs to be included, but I have not seen any what  
>> needs to be added.
>
>
> The plugins have to be added to ij.jar and you need to edit the  
> IJ_Props.txt file to add them to the Plugins menu. The plugins must  
> be at the root level of the jar file, along with IJ_Props.txt and  
> about.jpg. You can use the jar utility that comes with the Sun JDK to  
> extract the files from jar files and to build new jar files.
>
> -wayne
>