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IDL on the web? [message #67915]

Sun, 06 September 2009 14:11

Petula Lau
Messages: 4
Registered: September 2009

Junior Member

Hi all,

I currently work for a science institute, and I have been assigned a
task to provide an IDL program on our public website.

The IDL program is a solar energy calculator. It requires inputs such
as latitude, longitude, tilt of the solar panels, months of the year
to calculate etc. It outputs a graph which shows you the expected
position of the sun relative to where you live.

I have been searching for over a day now, but haven't found anything
as to how to put this program on the web.

I thought of maybe two possibilities:
1. Create php front-end input form and shell out to the machine with
IDL installed (we will have to be running IDL the whole time). This
will require us purchasing another IDL licence.
2. Use the IDL VM somehow?

Appreciate your response.

Cheers,
Petula

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Re: IDL on the web? [message #67980 is a reply to message #67915]

Tue, 15 September 2009 20:24

Petula Lau
Messages: 4
Registered: September 2009

Junior Member

Hi all,

Cheers for your suggestions. I have read the bridges documentation
and have a better idea as to how to achieve this. Unfortunately the
original application was not written in an object oriented way, so I
suppose we will have to rewrite that part in order to export using the
Export assistant?

Also I am trying to get the examples running on my MAC OS X (I got it
running in windows). And I keep getting this error:

Failed to load javaidlb from from default location.
Exception in thread "main" java.lang.UnsatisfiedLinkError:
com.idl.javaidl.JIDLPAL.nativeInitJPAL()V
at com.idl.javaidl.JIDLPAL.nativeInitJPAL(Native Method)
at com.idl.javaidl.JIDLPAL.<clinit>(JIDLPAL.java:186)
at com.idl.javaidl.JIDLObject.<init>(JIDLObject.java:71)
at helloworldex.helloworldex.<init>(helloworldex.java:17)
at helloworldex.helloworldex_example.<init>(helloworldex_example.java:
42)
at helloworldex.helloworldex_example.main(helloworldex_example. java:
53)

We would really like to use eclipse as our build environment. But I
don't seem to be able to get it to work even if I included the library
in the classpath, set all the environment variables in the idl_setup
and bridge_setup script.

Anybody have ideas? Appreciate your help.

Cheers,
Petula

On Sep 12, 8:08 am, Scott <srel...@viawest.net> wrote:
> Take a look at the following tech tips and they should get you going
> in the right direction.
> Cheers,
> Scott Ellis
>
> 4322 First Primer on IDL-JSP Interface - Embedding a Static IDL
> Visualization on aWebPagehttp://www.ittvis.com/services/techtip.asp?ttid=4322
>
> 4327 Second Primer on IDL-JSPWebApp Interface - Passing Parameters
> to IDLhttp://www.ittvis.com/services/techtip.asp?ttid=4327
>
> 4332 Third Primer on IDL-JSPWebApp Interface - UpdatingWebPage
> IDL Graphics with Ajaxhttp://www.ittvis.com/services/techtip.asp?ttid=4332
>
> 4324 One Proposal for How To Set Up Java-IDL Export Bridge-basedWeb
> Interface Projectshttp://www.ittvis.com/services/techtip.asp?ttid=4324

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Re: IDL on the web? [message #68115 is a reply to message #67915]

Wed, 16 September 2009 13:33

Petula Lau
Messages: 4
Registered: September 2009

Junior Member

Thanks Scott - I did use the -DIDL_LOAD_DEBUG and that was very
helpful. The problem was that it was using the 32 bit IDL, but I was
using jvm 1.6.0 (64 bit).

On Sep 17, 3:46 am, Scott <srel...@viawest.net> wrote:
> When you go to your eclipse project's Properties -> Java Build Path ->
> Libraries tab, is javaidlb.jar there and properly resolved?
>
> You can also try adding -DIDL_LOAD_DEBUG to your run configuration's
> jvm arguments to possibly get more debugging info.
>
> -Scott

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Re: IDL on the web? [message #68117 is a reply to message #67980]

Wed, 16 September 2009 08:46

Scott[1]
Messages: 33
Registered: September 2009

Member

When you go to your eclipse project's Properties -> Java Build Path ->
Libraries tab, is javaidlb.jar there and properly resolved?

You can also try adding -DIDL_LOAD_DEBUG to your run configuration's
jvm arguments to possibly get more debugging info.

-Scott

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