Hi Greg,

from my point of view there are to ways of doing this:

- Generate the image with a servlet on the fly (return the appropriate mime
type and the image)
or (if the images are small)
- you can encode them using base64 and set them as data in an image url

Hope that helps
- Daniel Kurka


2010/10/25 Greg Dougherty <dougherty.greg...@mayo.edu>

> Hi all,
>
> My servlet is creating images that I need to send to the client.  My
> first thought was save the image to a file, then send the path to that
> image to the client, which can then call new Image
> (GWT.getModuleBaseURL () + imagePath);
>
> This worked just fine in the development environment.  But when I
> deploy to Tomcat, if I try to use a relative path, it does it from
> where Tomcat was started, rather than from my module's base.  For
> obvious reasons, I'd prefer not to try to save images to a hard-coded
> path (makes it a bit difficult to move the app around).
>
> Is there a clean way to get my module's base path, so I can save the
> images relative to that?  If not, what IS the approved way to pass
> program generated images to the client?
>
> TIA,
>
> Greg
>
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