![]() ![]() An example of an array is if you wanted to store a collection of color values. ![]() The Size field also refers to tuple size, so a size of 3 means an array of vector 3s, not an array 3 floats long. With arrays you cannot specify defaults or alter their values. (ex: "Foo," "Le'goo", "$HIP/myPath/")Īrray (Advanced/misc.) = Arrays are basically a collection of values (not limited to 3 like vectors) and are often used to store data while running for-loops over things. String = Anything that uses letters instead of numbers. ** Keep in mind that if something is a "Float Vector" or an "Integer Vector" that it is describing whether the numbers within the collection of three values are floats or integers. Vector = A collection of three values (often used to describe position and color). ![]() Integer = A number which is not allowed to have a decimal value (ex: 3, 4, -1, 39) If you're new to understanding attributes, first understand what "Types" are referring to - (ex: "float," "integer," "vector," "string," etc.) Here is a useful guide to what those terms mean.įloat = A number which is allowed to have a decimal value (ex: 39.8, -1473.2, 0.3) sections in this node, so don't let them stress you out. 95% of the time, you don't need to worry about the advanced/misc. If you get lost or confused with what some of these settings are trying to do - don't worry about it. Either way works in most circumstances.Īlso keep in mind that the Attribute Create node has many advanced/misc. In your head, picture attributes as pieces of data that get attached to the points, primitives (which are usually polygon faces), vertices, or the entire node stream itself if you choose "detail." In addition to this node, it's also common practice to add attributes using vex in wrangles. If you're new to Houdini, then you'll certainly want to learn all about attributes because they are responsible for controlling the behavior of anything in your scene! This includes other nodes, solvers, shaders, lights, render settings, and more. ![]()
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