Re: passing image to ImageJ via Java Web Start

Posted by ctrueden on Feb 01, 2010; 5:09pm
URL: http://imagej.273.s1.nabble.com/passing-image-to-ImageJ-via-Java-Web-Start-tp3689525p3689529.html

Hi Arnim, Bill & Johannes,


> Having said that, if you manage to make a .jnlp file that _does_ load an
> image as you want, it is relatively easy to produce a .php or .perl script
> to generate a custom .jnlp from HTTP variables (i.e. parameters you pass
> in by appending "?variable=value" to the URL).
>

Indeed, I used this technique to produce a tailored JNLP to launch VisBio
from the old OME web client, to pass an image ID into the program:

http://trac.openmicroscopy.org.uk/ome/browser/trunk/src/perl2/OME/Web/VisBio.pm

Yours would surely be simpler, too. :-)

-Curtis

On Mon, Feb 1, 2010 at 4:33 AM, Johannes Schindelin <
[hidden email]> wrote:

> Hi,
>
> On Sun, 31 Jan 2010, arnim.jenett wrote:
>
> > Situation: I created a catalog of images using html. these images I
> > currently can open in ImageJA (applet), but 1) after a couple of images I
> > reliably run into a an "out-of-memory" exception
>
> With Java >= 1.6, you can specify larger memory with applets:
>
>        https://jdk6.dev.java.net/plugin2/
>
> > and 2) on a weak network it is rather slow to download Imagej every time
> > I call it (often).
>
> Right.
>
> > Therefore I thought about using Java Web Start instead and found the
> > corresponding jnpls ( thanks dscho, curtis and wayne). But there is no
> way
> > documented how I could pass image information via the jnpl to ImageJ.
>
> I would suggest something like this:
>
>        <application-desc main-class="fiji.Main">
>                <argument>http://example.com/image.png</argument>
>        </application-desc>
>
> (For Fiji, we run fiji.Main rather than ij.ImageJ)
>
> > I also tried to pass it as "<argument>" from inside the
> "<application-desc>"
> > but that failed as well.
>
> I guess that it does not work with local paths, unless you have a signed
> jnlp. Do you have any error message from that try?
>
> > even nicer would be, if I could call the jnpl with the image's parameters
> > (in hmtl).
>
> You can specify a Java Webstart only with a .jnlp file, i.e. this xml
> format you already know.  There is no way to specify any add-on options
> via .html.
>
> Having said that, if you manage to make a .jnlp file that _does_ load an
> image as you want, it is relatively easy to produce a .php or .perl script
> to generate a custom .jnlp from HTTP variables (i.e. parameters you pass
> in by appending "?variable=value" to the URL).
>
> Ciao,
> Dscho
>