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Plainly as a number, no. Approximately, yes. You can plug anything into the color input of an emission node and plug that into the surface material output. This will let you visualize the values ac …

To have the alpha properly control the transparency of the volume you need to multiply it into the density before plugging it into the strength of the emission shader. Click to enlarge

Gloss is essentially the same thing as specularity. Glossy means that rays reflect off the surface at the angle of incidence (specular angle), producing a reflection. From the Wikipedia page: Gl …

The factor of the Mix Shader node is the fraction of the second shader that contributes to the output shader. If the factor is 0.8 then the output shader will be 80% the second input and 20% the firs …

It looks like what you are looking for its the color ramp node. The color ramp node can take any value between 0 and 1 (values outside this range will be clamped to 0 or 1) in it's fac input socket. …

This is called Muting a node. You can mute or unmute a node by selecting it and pressing M. Muting a node will connect the inputs directly to the outputs according to datatype in the same way as Del …

You can do this by adding a new render layer with an Override Material specified. First create a dummy object and give it a new material and call it something like particle_age. Just plug the Partic …

As others have suggested, you can achieve the effect you want for this specific pattern by changing the way you create the pattern (using a color ramp node). For this application that is probably bes …

In order to do what you are you describing, you need to make a couple changes to your node setup. Change the Mix Shader to an Add Shader. Unplug the texture color from the multiply node and plug the …

While DaurteFarrajotaRamos's answer is correct that there is no viewer node by default, Greg Zaal's Node Wrangler addon (which comes bundled with Blender) does implement a veiwer node of sorts in the …

Here is a list of the mathematical equivalents of each operation. Add: Out = Value1 + Value2. Subtract: Out = Value1 - Value2. Multiply: Out = Value1 * Value2. Divide: Out = Value1 / Value2. Sine: O …

For the mapping node to work properly you need to tell it what the existing mapping coordinates are. To do this simply add an input > texture coordinates node and plug the UV output (the model must b …

Here is what I have come up with: In a still shot the sparkles look kind of like fireflies, but when you animate the camera they look great! Here is the node setup: The base material is the dif …

I think what you mean is a node that does the same thing as the time node in the compositor. Unfortunately there is no single cycles node that does this. However one can be constructed rather easily …

The way the node setup you are referencing works is by coloring the inside wall of a material based on how far the ray has traveled within the material. The backfacing output gives 1 if the ray is …