[vtkusers] InteractionEvent in clojure?

[Nikhil Shetty]

Hi Antonio,

I do not think VTK officially supports clojure and I am not aware of
anybody else doing this type of work. I am not a clojure expert but can
read clojure (common lisp in general) so maybe can give a shot at  this.

So it seems like your main problem is that you need to register a clojure
callback into the java API so that when an event is triggered your method
gets executed. I found this solution online and hope it helps you

http://clojure.org/java_interop
http://stackoverflow.com/questions/2181774/calling-clojure-from-java

What I gather is that you may have to declare a clojure method and define
it pretended with a dash ('-') for java to be able to call it. Let me know
if this helps.

-Nix


On Sat, Mar 3, 2012 at 5:33 PM, Antonio Recio <amdx64bt at gmail.com> wrote:

> I want to translate the example Cone6.java to clojure. I don't know
> how to use InteractionEvent in clojure. Can you give some advice? Do
> yo know some tutorials/projects for vtk in clojure?
>
> void myCallback() {
>        vtkTransform t = new vtkTransform();
>        boxWidget.GetTransform(t);
>        boxWidget.GetProp3D().SetUserTransform(t);
> }
>
> boxWidget.AddObserver("InteractionEvent", this, "myCallback");
>
>
> Sources:
> http://www.cmake.org/Wiki/VTK/Examples/Java/Miscellaneous/Cone6
> http://www.vtk.org/doc/nightly/html/classvtkBoxWidget.html
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