AHTYA03 - Noisy VOPs
Added 2018-05-24 10:18:59 +0000 UTCHi there,
here's the next AHTYA episode. Besides a plethora of inbuilt compiled operators Houdini offers the possibility to develop your own operators, using the VEX programming language. As coding is not for everyone, Houdini has a visual, node based coding environment, too, called VOPs. Short for Vex OPeratorS. This time I introduce you to VOPs. As a practical example of using VOPs we work with noise. After explaining the priciples of Perlin noise, we build a VOP network that allows for shaping noise in many different ways. A foundation for the usage of noise in your setups.
Comments
Hi Manuel, which help page are you referring to? I personally found the attribnoise has quite good explanations for what each parameter does and how it is influencing the noise output: https://www.sidefx.com/docs/houdini/nodes/sop/attribnoise.html Cheers, Mo
Entagma
2022-01-05 09:06:25 +0000 UTCLots of interesting information. One thing that I noted is that there's no explanation in the helpfiles regarding what does each parameter in noise nodes do. And my question is how did you get to know what does each parameter exactly do? "Roughness" or "turbulence" for instance. Should I be looking somewhere else? I tried googling with no luck. Thanks in advance.
Manuel Stein
2022-01-05 03:26:14 +0000 UTCNow I understand it well. Thank you!
Remo Balcells
2020-09-15 04:19:19 +0000 UTCWow! Pretty awesome.
Roger Mac
2019-03-24 10:41:20 +0000 UTCGrandios. Mehr kann man nicht sagen!
Patrick Vogel
2019-02-06 12:25:38 +0000 UTCBrilliant. Thanks!
Kieran
2019-01-15 22:02:21 +0000 UTCHi Michael, "The Ramp Parameter" node has not changed. If you change the "Ramp Type" to "Spline Ramp (float)" you get a spline interface on the VOP. cheers mnu
Entagma
2018-12-12 22:20:34 +0000 UTCHoudini 17.0 (Dec 18) - I"m wondering if the ramp option to show the ramp as the graph has been removed. I don't seem to have it. Could it be a setting I'm missing?
Michael Trainor
2018-12-11 18:23:23 +0000 UTCVery clear!
Luis Román
2018-11-12 06:22:41 +0000 UTCInfinite power of creation
André Gama
2018-10-16 10:29:53 +0000 UTCThat was a great lecture. Very clear and complete.
Maury Rosenfeld
2018-09-11 03:33:02 +0000 UTCWow, such a clear and insightful presentation. Thank you!
Patrick McAvena
2018-06-26 20:35:00 +0000 UTCReally helpful.
Yue Wu
2018-06-11 11:22:18 +0000 UTCThank You very much, Manuel. You are a great teacher.
Massimo Baita
2018-06-09 16:23:22 +0000 UTCthis is great , understanding things to the core level and cost behind them.
Gaurav Gupta
2018-05-29 16:36:01 +0000 UTCHugely interesting. I particularly enjoyed being exposed to the underlying principles that drive the turbulence parameter, and the exposure to the terms bias and gain. Sliders can always be wiggled until a result is found, but a clear visual understanding of a particular parameter makes all the difference. Better understanding, greater control, quicker results, more confidence... Nicely done.
Nick Wood
2018-05-24 12:29:18 +0000 UTC
