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Right-clicking in an empty area of the Node Editor will bring up the contextual menu and the Options submenu. The Options submenu contains several choices that can be used to customize how the Node Editor looks and behaves.
— Pipes Always Visible: Enabling this option causes a connection to cross over a node instead of beneath it, sometimes making it easier to follow the connection’s path.
— Show Hidden Pipes: When enabled, the Inspector option to Hide Incoming Connections in every node is overridden and all connections are displayed in the Node Editor.
— Aspect Correct Tile Pictures: Aspect Correct Tile Pictures forces the display of thumbnails to be aspect corrected, which is slower but visually more accurate. This option is enabled by default.
— Full Tile Render Indicators: Enabling this option causes the thumbnail to flash green when rendering, which makes it easier to identify which node is processing in a large, complex node tree.
— Show Grid: This option can be used to enable or disable the Node Editor’s background grid.
— Show Instance Links: When enabled, the Node Editor draws a green connection between an instanced node and its parent.
— Auto Remove Routers: If routers are disconnected from a tool, they are automatically deleted from the Node Editor. This option is enabled by default to eliminate the need to delete orphaned routers.
— Show Navigator: Enabling this option displays a small overview window of the entire node tree in the Node Editor’s top-right corner. For more information, see the Navigator section in this chapter.
— Auto Navigator: The Navigator only appears when one or more nodes is outside the visible area of the Node Editor. For more information, see the Navigator section in this chapter.
— Build Flow Vertically/Horizontally: Node trees can be built either horizontally from left to right or vertically from top to bottom. Enabling one of these options determines whether new nodes are added beneath the current node or to the right of the current tool.
— Orthogonal/Direct Pipes: Use these two options to decide whether connections between nodes are drawn as Direct (straight) lines or Orthogonal (bent) lines.