Hello,
I'm facing some issues with Mayavi (great soft BTW) and especially when
handling camera through udp api.
Here is my use case:
I have a python script to display a graph. Once the graph is drawn, I use
serve_udp() method to wait for commands over udp protocol.
I want to send commands like camera.zoom(), camera.roll().
For example, when I want to zoom on a particular node in the graph, I
retrieve x,y,z coordinates of the node and send
sock.sendto('camera.view(focalpoint=(str(x)+','+str(y)+','+str(z)+'))', '',
9008) ) to focus on the particular 3D point in the scene.
Where view() function is defined based on the doc :
http://docs.enthought.com/mayavi/mayavi/auto/mlab_camera.html
Mayavi tells me that « exceptions.AttributeError: 'OpenGLCamera' object has
no attribute 'view' »
But passing the same command inside the drawing script (using from
mayavi.tools import camera) works well.
So I guessed that the two camera classes are not the same.
I've then tried to read doc related to OpenGLcamera such as here :
http://www.vtk.org/Wiki/VTK/Examples/Python/Camera
But passing 'camera.SetFocalPoint(x,y,z)' through udp protocol raises the
same error : exceptions.AttributeError: 'OpenGLCamera' object has no
attribute 'SetFocalPoint'
Only camera.zoom(), camera.roll() seem to work.
Where am I wrong ? Is there a list of available methods to be used this way
?
Many thanks in advance.
Greetings,
BH
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