trajectoryPlotter
Description
creates a trajectory plotter for use with the theater plot trajPlotter
= trajectoryPlotter(tp
)tp
.
creates a trajectory plotter with additional options specified by one or more
trajPlotter
= trajectoryPlotter(tp
,Name,Value
)Name,Value
pair arguments.
Examples
Define the coordinates for three trajectories.
coordinates1 = [(1:10)' (2:11)' (11:-1:2)']; coordinates2 = coordinates1 + 1; coordinates3 = coordinates1 + 2;
Create a theaterPlot
object, set the view angles, and create a trajectoryPlotter
object.
tp = theaterPlot;
view(14,50)
trajPlotter = trajectoryPlotter(tp,DisplayName="Trajectories");
Plot the three trajectories.
plotTrajectory(trajPlotter,{coordinates1,coordinates2,coordinates3})
This example shows how to create an animation of a platform moving on a trajectory.
First, create a radarScenario
and add waypoints for a trajectory.
ts = radarScenario;
height = 100;
d = 1;
wayPoints = [ ...
-30 -25 height;
-30 25-d height;
-30+d 25 height;
-10-d 25 height;
-10 25-d height;
-10 -25+d height;
-10+d -25 height;
10-d -25 height;
10 -25+d height;
10 25-d height;
10+d 25 height;
30-d 25 height;
30 25-d height;
30 -25+d height;
30 -25 height];
Specify a time for each waypoint.
elapsedTime = linspace(0,10,size(wayPoints,1));
Next, create a platform in the tracking scenario and add trajectory information using the trajectory
method.
target = platform(ts); traj = waypointTrajectory('Waypoints',wayPoints,'TimeOfArrival',elapsedTime); target.Trajectory = traj;
Record the tracking scenario to retrieve the platform's trajectory.
r = record(ts); pposes = [r(:).Poses]; pposition = vertcat(pposes.Position);
Create a theater plot to display the recorded trajectory.
tp = theaterPlot('XLim',[-40 40],'YLim',[-40 40]); trajPlotter = trajectoryPlotter(tp,'DisplayName','Trajectory'); plotTrajectory(trajPlotter,{pposition})
Animate using the platformPlotter
.
restart(ts); trajPlotter = platformPlotter(tp,'DisplayName','Platform'); while advance(ts) p = pose(target,'true'); plotPlatform(trajPlotter, p.Position); pause(0.1) end
This animation loops through all the generated plots.
Input Arguments
Theater plot, specified as a theaterPlot
object.
Name-Value Arguments
Specify optional pairs of arguments as
Name1=Value1,...,NameN=ValueN
, where Name
is
the argument name and Value
is the corresponding value.
Name-value arguments must appear after other arguments, but the order of the
pairs does not matter.
Before R2021a, use commas to separate each name and value, and enclose
Name
in quotes.
Example: 'LineStyle','--'
Plot name to display in legend, specified as the comma-separated pair consisting of 'DisplayName'
and a character vector or string scalar. If no name is specified, no entry is shown.
Example: 'DisplayName','Radar Detections'
Trajectory color, specified as the comma-separated pair consisting of
'Color'
and a character vector, a string scalar, an RGB
triplet, or a hexadecimal color code.
Line style used to plot the trajectory, specified as one of these values.
Value | Description |
---|---|
':' | Dotted line (default) |
'-' | Solid line |
'--' | Dashed line |
'-.' | Dash-dotted line |
Line width of the trajectory, specified in points size as the comma-separated pair
consisting of 'LineWidth'
and a positive scalar.
Tag to associate with the plotter, specified as the comma-separated pair
consisting of 'Tag'
and a character vector or string scalar. The
default value is 'PlotterN'
, where
N is an integer that corresponds to the Nth
plotter associated with the theaterPlot
.
Tags provide a way to identify plotter objects, for example when searching using
findPlotter
.
Version History
Introduced in R2021a
See Also
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