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graph-pane-object-at-position

Function
Summary

Returns the graph object at a given position in a graph.

Package

capi

Signature

graph-pane-object-at-position graph-pane x y => object

Arguments

graph-pane

A graph-pane.

Values

object

A graph-object, or nil.

x , y

Non-negative numbers.

Description

The function graph-pane-object-at-position returns the graph-object (either a graph-edge or a graph-node) at the coordinates x , y in the graph graph-pane.

If there is no graph-object at position x , y then graph-pane-object-at-position returns nil.

See also

graph-pane


CAPI User Guide and Reference Manual (Macintosh version) - 3 Aug 2017

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