[vtkusers] vtkGPUVolumeRaycastMapper in the webserver

Sebastien Jourdain sebastien.jourdain at kitware.com
Mon Jun 1 08:32:52 EDT 2015

Did you try to use VTK-Web? I suspect some concurrency issue that make the
server crash with Java.


On Mon, Jun 1, 2015 at 9:33 AM, Emptystack <wulihouxiaoshuai at 163.com> wrote:

> Hello everyone,
> I have write a dynamic web project based on Browser/Server architecture. On
> the server side, I using the vtkFixedPointVolumeRaycastMapper(software
> raycaster on the CPU) and vtkGPUVolumeRaycastMapper(performs ray casting on
> the GPU) to implement the rendering pipeline. The
> vtkFixedPointVolumeRaycastMapper works well when the client's request
> arrives. But when  I using the vtkGPUVolumeRaycastMapper , something
> unspected happended: When I send the first request (from our developed
> web-based medical image viewer) to the web server, everything works well
> and
> we can also get the rendering image. But when I  send  a request(such as
> rotate) to the web server again, my web server stopped. In a word, In a
> java
> servlet environment, the first request to this method works very well, but
> the second request failed.
> The GPU accelerated mode cannot worked in the web server, I dont't know why
> this happened? Have anyone can give me some advice?
> Many thanks!
> --
> View this message in context:
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