model SignalArrow "Visualizing an arrow with dynamically varying size in frame_a based on input signal"
import Modelica.Mechanics.MultiBody.Types;
extends Modelica.Mechanics.MultiBody.Interfaces.PartialVisualizer;
parameter Boolean animation = true "= true, if animation shall be enabled";
input SI.Position r_tail[3] = {0, 0, 0} "Vector from frame_a to arrow tail, resolved in frame_a"
annotation (Dialog(
group = "if animation = true",
enable = animation));
input SI.Diameter diameter = world.defaultArrowDiameter "Diameter of arrow line"
annotation (Dialog(
group = "if animation = true",
enable = animation));
input Modelica.Mechanics.MultiBody.Types.Color color = {0, 0, 255} "Color of arrow"
annotation (Dialog(
colorSelector = true,
group = "if animation = true",
enable = animation));
input Types.SpecularCoefficient specularCoefficient = world.defaultSpecularCoefficient "Reflection of ambient light (= 0: light is completely absorbed)"
annotation (Dialog(
group = "if animation = true",
enable = animation));
Modelica.Blocks.Interfaces.RealInput r_head[3](each final quantity = "Length", each final unit = "m") "Position vector from origin of frame_a to head of arrow, resolved in frame_a"
annotation (Placement(transformation(
origin = {0, -120},
extent = {
{-20, -20},
{20, 20}},
rotation = 90)));
protected
Visualizers.Advanced.Arrow arrow(R = frame_a.R, r = frame_a.r_0, r_tail = r_tail, r_head = r_head, diameter = diameter, color = color, specularCoefficient = specularCoefficient) if world.enableAnimation and animation;
equation
frame_a.f = zeros(3);
frame_a.t = zeros(3);
annotation (
Icon(
coordinateSystem(
preserveAspectRatio = true,
extent = {
{-100, -100},
{100, 100}}),
graphics = {
Line(
points = {
{0, -102},
{0, -28}},
color = {0, 0, 127}),
Rectangle(
extent = {
{-100, 28},
{20, -28}},
lineColor = {128, 128, 128},
fillColor = {128, 128, 128},
fillPattern = FillPattern.Solid),
Polygon(
points = {
{20, 60},
{100, 0},
{20, -60},
{20, 60}},
lineColor = {128, 128, 128},
fillColor = {128, 128, 128},
fillPattern = FillPattern.Solid),
Text(
extent = {
{-150, 105},
{150, 65}},
textString = "%name",
lineColor = {0, 0, 255})}),
Documentation(info = "<html>\n<p>\nModel <strong>SignalArrow</strong> defines an arrow that is dynamically visualized\nat the location where its frame_a is attached. The\nposition vector from the tail to the head of the arrow,\nresolved in frame_a, is defined via the signal vector of\nthe connector <strong>r_head</strong> (Real r_head[3]):<br> \n</p>\n\n<p>\n<img src=\"modelica://Modelica/Resources/Images/Mechanics/MultiBody/Visualizers/Arrow.png\" alt=\"model Visualizers.SignalArrow\">\n</p>\n<p>\nThe tail of the arrow is defined with parameter <strong>r_tail</strong>\nwith respect to frame_a (vector from the origin of frame_a to the arrow tail).\n</p>\n</html>"));
end SignalArrow;