Files
miSim/sensingObjective.m
2025-11-13 09:52:32 -08:00

86 lines
3.2 KiB
Matlab

classdef sensingObjective
% Sensing objective definition parent class
properties (SetAccess = private, GetAccess = public)
label = "";
groundAlt = 0;
groundPos = [0, 0];
discretizationStep = 1;
objectiveFunction = @(x, y) 0; % define objective functions over a grid in this manner
X = [];
Y = [];
values = [];
end
methods (Access = public)
function obj = initialize(obj, objectiveFunction, footprint, groundAlt, discretizationStep)
arguments (Input)
obj (1,1) {mustBeA(obj, 'sensingObjective')};
objectiveFunction (1, 1) {mustBeA(objectiveFunction, 'function_handle')};
footprint (:, 2) double;
groundAlt (1, 1) double = 0;
discretizationStep (1, 1) double = 1;
end
arguments (Output)
obj (1,1) {mustBeA(obj, 'sensingObjective')};
end
obj.groundAlt = groundAlt;
% Extract footprint limits
xMin = min(footprint(:, 1));
xMax = max(footprint(:, 1));
yMin = min(footprint(:, 2));
yMax = max(footprint(:, 2));
xGrid = unique([xMin:discretizationStep:xMax, xMax]);
yGrid = unique([yMin:discretizationStep:yMax, yMax]);
% Store grid points for plotting later
[obj.X, obj.Y] = meshgrid(xGrid, yGrid);
% Evaluate function over grid points
obj.objectiveFunction = objectiveFunction;
obj.values = reshape(obj.objectiveFunction(obj.X, obj.Y), size(obj.X));
% store ground position
idx = obj.values == max(obj.values, [], "all");
obj.groundPos = [obj.X(idx), obj.Y(idx)];
end
function f = plot(obj, ind, f)
arguments (Input)
obj (1,1) {mustBeA(obj, 'sensingObjective')};
ind (1, :) double = NaN;
f (1,1) {mustBeA(f, 'matlab.ui.Figure')} = figure;
end
arguments (Output)
f (1,1) {mustBeA(f, 'matlab.ui.Figure')};
end
% Create axes if they don't already exist
f = firstPlotSetup(f);
% Plot gradient on the "floor" of the domain
if isnan(ind)
hold(f.CurrentAxes, "on");
o = surf(f.CurrentAxes, obj.X, obj.Y, repmat(obj.groundAlt, size(obj.X)), obj.values ./ max(obj.values, [], "all"), 'EdgeColor', 'none');
o.HitTest = 'off';
o.PickableParts = 'none';
hold(f.CurrentAxes, "off");
else
hold(f.Children(1).Children(ind(1)), "on");
o = surf(f.Children(1).Children(ind(1)), obj.X, obj.Y, repmat(obj.groundAlt, size(obj.X)), obj.values ./ max(obj.values, [], "all"), 'EdgeColor', 'none');
o.HitTest = 'off';
o.PickableParts = 'none';
hold(f.Children(1).Children(ind(1)), "off");
end
% Add to other perspectives
if size(ind, 2) > 1
for ii = 2:size(ind, 2)
copyobj(o, f.Children(1).Children(ind(ii)));
end
end
end
end
end