To place one node interactively on the edge of a raster object or line
- Select Place Nodes.
- Turn on Raster Snap.
- Turn off Vector Snap.
- Select the appropriate color mask.
- Select None as the Boundary option.
- Choose Outline in the Entity option menu.
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Identify the approximate position of the node by entering a data point.
The raster snap adjusts the actual position of the node and places it precisely on the edge of the raster object, or on either or both sides of a raster line.