implemented partitioning

This commit is contained in:
2025-11-11 12:50:43 -08:00
parent 74088a13f3
commit 9e948072e8
8 changed files with 295 additions and 74 deletions

131
miSim.m
View File

@@ -10,11 +10,20 @@ classdef miSim
obstacles = cell(0, 1); % geometries that define obstacles within the domain
agents = cell(0, 1); % agents that move within the domain
adjacency = NaN; % Adjacency matrix representing communications network graph
partitioning = NaN;
end
properties (Access = private)
% Plot objects
connectionsPlot; % objects for lines connecting agents in spatial plots
graphPlot; % objects for abstract network graph plot
partitionPlot; % objects for partition plot
% Indicies for various plot types in the main tiled layout figure
spatialPlotIndices = [6, 4, 3, 2];
objectivePlotIndices = [6, 4];
networkGraphIndex = 5;
partitionGraphIndex = 1;
end
methods (Access = public)
@@ -52,29 +61,35 @@ classdef miSim
% Compute adjacency matrix
obj = obj.updateAdjacency();
% Create initial partitioning
obj = obj.partition();
% Set up initial plot
% Set up axes arrangement
% Plot domain
[obj.domain, f] = obj.domain.plotWireframe();
[obj.domain, f] = obj.domain.plotWireframe(obj.spatialPlotIndices);
% Plot obstacles
for ii = 1:size(obj.obstacles, 1)
[obj.obstacles{ii}, f] = obj.obstacles{ii}.plotWireframe(f);
[obj.obstacles{ii}, f] = obj.obstacles{ii}.plotWireframe(obj.spatialPlotIndices, f);
end
% Plot objective gradient
f = obj.objective.plot(f);
f = obj.objective.plot(obj.objectivePlotIndices, f);
% Plot agents and their collision geometries
for ii = 1:size(obj.agents, 1)
[obj.agents{ii}, f] = obj.agents{ii}.plot(f);
[obj.agents{ii}, f] = obj.agents{ii}.plot(obj.spatialPlotIndices, f);
end
% Plot communication links
[obj, f] = obj.plotConnections(f);
[obj, f] = obj.plotConnections(obj.spatialPlotIndices, f);
% Plot abstract network graph
[obj, f] = obj.plotGraph(f);
[obj, f] = obj.plotGraph(obj.networkGraphIndex, f);
% Plot domain partitioning
[obj, f] = obj.plotPartitions(obj.partitionGraphIndex, f);
end
function [obj, f] = run(obj, f)
arguments (Input)
@@ -120,6 +135,31 @@ classdef miSim
% Close video file
v.close();
end
function obj = partition(obj)
arguments (Input)
obj (1, 1) {mustBeA(obj, 'miSim')};
end
arguments (Output)
obj (1, 1) {mustBeA(obj, 'miSim')};
end
% Assess sensing performance of each agent at each sample point
% in the domain
agentPerformances = cellfun(@(x) reshape(x.sensorModel.sensorPerformance(x.pos, x.pan, x.tilt, [obj.objective.X(:), obj.objective.Y(:), zeros(size(obj.objective.X(:)))]), size(obj.objective.X)), obj.agents, 'UniformOutput', false);
agentPerformances = cat(3, agentPerformances{:});
% Get highest performance value at each point
[~, idx] = max(agentPerformances, [], 3);
% Collect agent indices in the same way
agentInds = cellfun(@(x) x.index * ones(size(obj.objective.X)), obj.agents, 'UniformOutput', false);
agentInds = cat(3, agentInds{:});
% Get highest performing agent's index
[m,n,~] = size(agentInds);
[i,j] = ndgrid(1:m, 1:n);
obj.partitioning = agentInds(sub2ind(size(agentInds), i, j, idx));
end
function [obj, f] = updatePlots(obj, f)
arguments (Input)
obj (1, 1) {mustBeA(obj, 'miSim')};
@@ -171,15 +211,20 @@ classdef miSim
A(ii, jj) = true;
end
end
% need extra handling for cases with no obstacles
if isempty(obj.obstacles)
A(ii, jj) = true;
end
end
end
end
obj.adjacency = A | A';
end
function [obj, f] = plotConnections(obj, f)
function [obj, f] = plotConnections(obj, ind, f)
arguments (Input)
obj (1, 1) {mustBeA(obj, 'miSim')};
ind (1, :) double = NaN;
f (1, 1) {mustBeA(f, 'matlab.ui.Figure')} = figure;
end
arguments (Output)
@@ -202,23 +247,57 @@ classdef miSim
X = X'; Y = Y'; Z = Z';
% Plot the connections
hold(f.CurrentAxes, "on");
o = plot3(X, Y, Z, 'Color', 'g', 'LineWidth', 2, 'LineStyle', '--');
hold(f.CurrentAxes, "off");
if isnan(ind)
hold(f.CurrentAxes, "on");
o = plot3(f.CurrentAxes, X, Y, Z, 'Color', 'g', 'LineWidth', 2, 'LineStyle', '--');
hold(f.CurrentAxes, "off");
else
hold(f.Children(1).Children(ind(1)), "on");
o = plot3(f.Children(1).Children(ind(1)), X, Y, Z, 'Color', 'g', 'LineWidth', 2, 'LineStyle', '--');
hold(f.Children(1).Children(ind(1)), "off");
end
% Check if this is a tiled layout figure
if strcmp(f.Children(1).Type, 'tiledlayout')
% Add to other plots
o = [o, copyobj(o(:, 1), f.Children(1).Children(2))];
o = [o, copyobj(o(:, 1), f.Children(1).Children(3))];
o = [o, copyobj(o(:, 1), f.Children(1).Children(5))];
% Copy to other plots
if size(ind, 2) > 1
for ii = 2:size(ind, 2)
o = [o, copyobj(o(:, 1), f.Children(1).Children(ind(ii)))];
end
end
obj.connectionsPlot = o;
end
function [obj, f] = plotGraph(obj, f)
function [obj, f] = plotPartitions(obj, ind, f)
arguments (Input)
obj (1, 1) {mustBeA(obj, 'miSim')};
ind (1, :) double = NaN;
f (1, 1) {mustBeA(f, 'matlab.ui.Figure')} = figure;
end
arguments (Output)
obj (1, 1) {mustBeA(obj, 'miSim')};
f (1, 1) {mustBeA(f, 'matlab.ui.Figure')};
end
if isnan(ind)
hold(f.CurrentAxes, 'on');
o = imagesc(f.CurrentAxes, obj.partitioning);
hold(f.CurrentAxes, 'off');
else
hold(f.Children(1).Children(ind(1)), 'on');
o = imagesc(f.Children(1).Children(ind(1)), obj.partitioning);
hold(f.Children(1).Children(ind(1)), 'on');
if size(ind, 2) > 1
for ii = 2:size(ind, 2)
o = [o, copyobj(o(1), f.Children(1).Children(ind(ii)))];
end
end
end
obj.partitionPlot = o;
end
function [obj, f] = plotGraph(obj, ind, f)
arguments (Input)
obj (1, 1) {mustBeA(obj, 'miSim')};
ind (1, :) double = NaN;
f (1, 1) {mustBeA(f, 'matlab.ui.Figure')} = figure;
end
arguments (Output)
@@ -230,9 +309,21 @@ classdef miSim
G = graph(obj.adjacency, 'omitselfloops');
% Plot graph object
hold(f.Children(1).Children(4), 'on');
obj.graphPlot = plot(f.Children(1).Children(4), G, 'LineStyle', '--', 'EdgeColor', 'g', 'NodeColor', 'k', 'LineWidth', 2);
hold(f.Children(1).Children(4), 'off');
if isnan(ind)
hold(f.CurrentAxes, 'on');
o = plot(f.CurrentAxes, G, 'LineStyle', '--', 'EdgeColor', 'g', 'NodeColor', 'k', 'LineWidth', 2);
hold(f.CurrentAxes, 'off');
else
hold(f.Children(1).Children(ind(1)), 'on');
o = plot(f.Children(1).Children(ind(1)), G, 'LineStyle', '--', 'EdgeColor', 'g', 'NodeColor', 'k', 'LineWidth', 2);
hold(f.Children(1).Children(ind(1)), 'off');
if size(ind, 2) > 1
for ii = 2:size(ind, 2)
o = [o; copyobj(o(1), f.Children(1).Children(ind(ii)))];
end
end
end
obj.graphPlot = o;
end
end