Connections between node attributes are shown by colored arrowed lines in the Hypershade. The connection lines between nodes indicate what type of data flows through the connection. Depending on the types of nodes and connections used, different information is passed. That is, values may be of color, distance, position, angle or object ID.
Some information can come as a single value (for example, OutAlpha is a single value) or as triple (for example, an RGB value or an XYZ value). Triple connections are represented by green connection lines. Single, double, triple, data, and array data each have an assigned default color.
Each node has a default attribute and a list of commonly connected attributes that lets you make node connections interactively (dragging and dropping in Hypershade). The Connection Editor, however, is the best tool for fine-tuning a shading network and for making non-default connections.
The Connection Editor shows node network information in a side-by-side layout so that you can view two connected nodes in a node network. You can quickly and easily traverse from node to node and show a node’s outputs or inputs. This helps to facilitate connections, meaning you can make connections in either direction in a node network.
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