The left panel holds various options and toggles used to interact with CMU Maps. It is always displayed on the left side of the screen, and is divided into several tabs.

Visibility

The first tab is the visibility tab, used to show or hide various elements of CMU Maps.

• Show File: Toggles the visibility of the background PDF file
• Show Outline: Toggles the visibility of the outlines, including walls and doors
• Show Nodes: Toggles the visibility of the nodes of the graph
• Show Edges: Toggles the visibility of the edges of the graph
• Show Labels: Toggles the visibility of the labels for each room
• Show Polygons: Toggles the visibility of the filled polygon for each room

Graph

In Graph Mode (see Modes), the second tab is the graph tab, used to create and edit the room/door graphs.

• Add Node: After clicking this button, the next click on empty space will create a new node.
• Add Door Node: After clicking this button, the next click on a valid door will create a node.
  • The new node connects the closest nodes for each of the two rooms the door connects.
• Doors are…
  • Nodes! Creates a door node for each valid door.
  • Edges! For each valid door, create an edge that connects the closest nodes for each of the two rooms the door connects.
• Relink Rooms and Doors: Recalculates if a door is valid for each door.
• Remove Overlapping Nodes: Removes overlapping nodes. Overlap is affected by node size.
• Node Size Slider: Changes the radius of the node (synced with Vertex Size Slider in the Polygon tab).

Polygon

In Polygon Mode (see Modes), the second tab is the polygon tab, used to create and edit the polygon representations of rooms.

• Dropdown: Selects which linear ring of the polygon should be shown
  • Add Hole: Only for the Exterior ring. Adds a new hole to the polygon.
  • Delete Hole: Only for the interior rings. Removes the hole associated with this ring.
• Add Vertex: After clicking this button, the next click on empty space will create a new vertex.
  • The index of the new vertex in the linear ring will be between the two vertices closest to it.
• Delete Vertex: After clicking this button, the next click on a vertex will delete it.
• Simplify Polygon: Simplifies the selected polygon using shapely.simplify.
• Vertex Size Slider: Changes the radius of the vertices of the polygon (synced with Node Size Slider in the Graph tab).
• Delete Polygon: Resets the selected polygon to an empty polygon.