What is the minimum data rate (Mbps) which will not slow down the graphics `too much'?
If you view an image with the slicer, for each update a 2D image must be send over the network. The amount of pixels in the 2D image is determined by the number in the slice, not the display size on the screen. The images are in full color (RGBA) which means 4 bytes/pixel. So for an 5122 image it is 1 Mbyte per plane, i.e. one second at best over 10Mbps ethernet. This is indeed roughly the update rate we get when running the Huygens over an unloaded 10Mbps ethernet at SVI. So for smooth slicing with slice planes in the 1Mbyte range a 100Mbps connection is required.
To enable you to operate the Slicer over much slower networks the update rate is measured by the software. If the update rate falls below a certain threshold, currently about 0.5 s., the Slicer switches from smooth scrolling to jump scrolling. In the latter mode, the screen is only updated after you release the slider.
Keywords: remote operation
Categories: Faq Installation, Huygens Faq, Imported Faqs
Platforms: Linux
Related products: Hu Ess Hu Pro Hu Script
