Maya renderman tutorial how to#
Maya renderman tutorial full#

Turn on the refraction under the raytracing option tab and adjust the refractive index to a value of 1.7 or similar to get the result shown below.

Maya renderman tutorial full#

Give the model a blinn material and adjust the transparency to full transparency. The result of the rendering is as follows. Turn off the default lighting for the scene, at the end of the common tag.Įnable color management and set the following to turn on linear workflow. If the FG does not open automatically, please turn it on manually.

This scene uses HDR for illumination, and in the Mental ray it uses IBL nodes. Here we use the blinn material that everyone is most familiar with and use the basic principles mentioned above to make the glass. Use Maya basic material to achieve glass effect

Generally, the refractive index of transparent objects is between 1.3 and 1.9, and plastic, rubber, and baking varnish are also around this range. When the refractive index value is higher, the reflectance of the 90 degree angle of view and the 0 degree angle of view is closer to 1. When the refractive index is close to 1, the difference between the reflectance of the 90 degree angle of view and the 0 degree angle of view is larger. The main factor determining the Fresnel Effect is the refractive index. Let the incident energy be 100%, which is 1, and finally we can use the formula: 1>=diffuse+specular+refraction. Reflected energy can be divided into diffuse reflection and specular reflection, while diffuse reflection is generally diffuse in our CG production process, while specular reflection is generally specular, and refraction is generally refraction. The reflection is divided into diffuse reflection and specular reflection.Īccording to the Law of Conservation of Energy, energy can not be disappear, only conversion can occur. When light hits the surface of an object, there are three general reactions: absorption, reflection, and refraction. The basic principle of materials: Law of Conservation of Energy Today, I shared with you a tutorial about how to use the Maya basic material and the mental ray material to achieve the glass effect, I hope to help everyone.

Maya renderman tutorial how to#

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