GraphPlot
Graph plot for directed and undirected graphs
Description
Graph plots are the primary way to visualize graphs and networks created using
the graph and digraph functions. After you
create a GraphPlot object, you can modify aspects of the plot by
changing its property values. This is particularly useful for modifying the display of
the graph nodes or edges.
Creation
To create a GraphPlot object, specify an output argument with the
plot function. For example:
G = graph([1 1 1 1 5 5 5 5],[2 3 4 5 6 7 8 9]); h = plot(G)
Properties
| GraphPlot Properties | Graph plot appearance and behavior |
Object Functions
Examples
Adjust Properties of GraphPlot Object
Create a GraphPlot object, and then show how to adjust the properties of the object to affect the output display.
Create and plot a graph.
s = [1 1 1 1 1 1 1 9 9 9 9 9 9 9]; t = [2 3 4 5 6 7 8 2 3 4 5 6 7 8]; G = graph(s,t); h = plot(G)
h =
GraphPlot with properties:
NodeColor: [0 0.4470 0.7410]
MarkerSize: 4
Marker: 'o'
EdgeColor: [0 0.4470 0.7410]
LineWidth: 0.5000
LineStyle: '-'
NodeLabel: {'1' '2' '3' '4' '5' '6' '7' '8' '9'}
EdgeLabel: {}
XData: [1x9 double]
YData: [1x9 double]
ZData: [0 0 0 0 0 0 0 0 0]
Show all properties
Use custom node coordinates for the graph nodes.
h.XData = [0 -3 -2 -1 0 1 2 3 0]; h.YData = [2 0 0 0 0 0 0 0 -2];
Make the graph nodes red.
h.NodeColor = 'r';
Use dashed lines for the graph edges.
h.LineStyle = '--';
Increase the size of the nodes.
h.MarkerSize = 8;
Saving and Loading GraphPlot Objects
Use the savefig function to save a graph plot figure.
s = [1 1 1 2 2 3 3 4 5 5 6 7];
t = [2 4 5 3 6 4 7 8 6 8 7 8];
G = graph(s,t);
h = plot(G);
savefig('cubegraph.fig');
clear all close all
Use openfig to load the graph plot figure back into MATLAB. openfig also returns a handle to the figure, y.
y = openfig('cubegraph.fig');Use the findobj function to locate the correct object handle using one of the property values. Using findobj allows you to continue manipulating the original GraphPlot object used to generate the figure.
h = findobj('Marker','o')
h =
GraphPlot with properties:
NodeColor: [0 0.4470 0.7410]
MarkerSize: 4
Marker: 'o'
EdgeColor: [0 0.4470 0.7410]
LineWidth: 0.5000
LineStyle: '-'
NodeLabel: {'1' '2' '3' '4' '5' '6' '7' '8'}
EdgeLabel: {}
XData: [-0.2052 -1.1020 0.8023 1.7577 -0.8023 -1.7577 0.2052 1.1020]
YData: [-0.4749 1.3919 1.9185 0.1892 -1.9185 -0.1892 0.4749 -1.3919]
ZData: [0 0 0 0 0 0 0 0]
Show all properties