nbjsargent Posted April 17, 2013 Share Posted April 17, 2013 Does anyone know how to construct a proper Euler's Spiral from a line using VOPs? I've been trying but without much luck. A .hip file would be wonderful if possible! Quote Link to comment Share on other sites More sharing options...
nbjsargent Posted April 17, 2013 Author Share Posted April 17, 2013 One of the main problems I'm having is properly applying the fresnel integral in VOPs. What method should I use to solve this numerically? Anybody got any ideas? Quote Link to comment Share on other sites More sharing options...
nbjsargent Posted April 17, 2013 Author Share Posted April 17, 2013 Update: I've gotten as far as finding the integral of the curve on the x, z plane by using an 'area' SHOP to calculate it. Not sure what the next approach is. Here are examples of the curves that contribute to the Euler Spiral: http://www.efunda.com/math/miscellaneousfun/SiCiPlot.cfm I've gotten similar shapes but not quite the same... Quote Link to comment Share on other sites More sharing options...
stevegh Posted April 25, 2013 Share Posted April 25, 2013 Not sure if this helps, but you can generate Euler spirals using the From Polar VEX node in VOPs. eulerSpiral.hipnc.hip Quote Link to comment Share on other sites More sharing options...
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