Created
January 2, 2013 01:46
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| function addsines() | |
| ampScale = 5; | |
| %% Build the GUI | |
| f = figure(1); | |
| ampOneSlide = uicontrol('Style', 'slider', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.1 0.8, 0.1, 0.05], ... | |
| 'Callback', @updateSliders); | |
| ampOneEdit = uicontrol('Style', 'edit', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.2, 0.8, 0.1, 0.05], ... | |
| 'String', '1.0', ... | |
| 'Callback', @update); | |
| phaseOneSlide = uicontrol('Style', 'slider', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.1 0.75, 0.1, 0.05], ... | |
| 'Callback', @updateSliders); | |
| phaseOneEdit = uicontrol('Style', 'edit', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.2, 0.75, 0.1, 0.05], ... | |
| 'String', '0', ... | |
| 'Callback', @update); | |
| ampTwoSlide = uicontrol('Style', 'slider', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.35 0.8, 0.1, 0.05], ... | |
| 'Callback', @updateSliders); | |
| ampTwoEdit = uicontrol('Style', 'edit', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.45, 0.8, 0.1, 0.05], ... | |
| 'String', '1.0', ... | |
| 'Callback', @update); | |
| phaseTwoSlide = uicontrol('Style', 'slider', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.35 0.75, 0.1, 0.05], ... | |
| 'Callback', @updateSliders); | |
| phaseTwoEdit = uicontrol('Style', 'edit', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.45, 0.75, 0.1, 0.05], ... | |
| 'String', '0', ... | |
| 'Callback', @update); | |
| ampSumSlide = uicontrol('Style', 'slider', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.6 0.8, 0.1, 0.05], ... | |
| 'Callback', @updateSliders); | |
| ampSumEdit = uicontrol('Style', 'edit', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.7, 0.8, 0.1, 0.05], ... | |
| 'String', '0', ... | |
| 'Callback', @update); | |
| phaseSumSlide = uicontrol('Style', 'slider', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.6 0.75, 0.1, 0.05], ... | |
| 'Callback', @updateSliders); | |
| phaseSumEdit = uicontrol('Style', 'edit', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.7, 0.75, 0.1, 0.05], ... | |
| 'String', '0', ... | |
| 'Callback', @update); | |
| sigOneLabel = uicontrol('Style', 'text', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.1 0.9, 0.2, 0.05], ... | |
| 'String', 'Signal 1'); | |
| sigTwoLabel = uicontrol('Style', 'text', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.35 0.9, 0.2, 0.05], ... | |
| 'String', 'Signal 2'); | |
| sigSumLabel = uicontrol('Style', 'text', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.6 0.9, 0.2, 0.05], ... | |
| 'String', 'Sum comparison'); | |
| ampLabel = uicontrol('Style', 'text', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.85 0.8, 0.1, 0.05], ... | |
| 'String', 'Amplitude'); | |
| phaseLabel = uicontrol('Style', 'text', ... | |
| 'Units', 'normalized', ... | |
| 'Position', [0.85 0.75, 0.1, 0.05], ... | |
| 'String', 'Phase'); | |
| inputAxes = axes('Position', [0.1, 0.45, 0.8, 0.25]); | |
| sumAxes = axes('Position', [0.1, 0.1, 0.8, 0.25]); | |
| update(); | |
| %% Callback for the sliders - Set the text boxes to match the sliders | |
| function updateSliders(varargin) | |
| set(ampOneEdit, 'String', num2str(ampScale * get(ampOneSlide, 'Value'))); | |
| set(phaseOneEdit, 'String', num2str(2*pi * get(phaseOneSlide, 'Value'))); | |
| set(ampTwoEdit, 'String', num2str(ampScale * get(ampTwoSlide, 'Value'))); | |
| set(phaseTwoEdit, 'String', num2str(2*pi * get(phaseTwoSlide, 'Value'))); | |
| set(ampSumEdit, 'String', num2str(ampScale * get(ampSumSlide, 'Value'))); | |
| set(phaseSumEdit, 'String', num2str(2*pi * get(phaseSumSlide, 'Value'))); | |
| update(); | |
| end | |
| %% Function which is triggered by callbacks and updates the drawing | |
| function update(varargin) | |
| % Set the sliders to match the text boxes | |
| set(ampOneSlide, 'Value', str2double(get(ampOneEdit, 'String')) / ampScale); | |
| set(phaseOneSlide, 'Value', str2double(get(phaseOneEdit, 'String')) / (2*pi)); | |
| set(ampTwoSlide, 'Value', str2double(get(ampTwoEdit, 'String')) / ampScale); | |
| set(phaseTwoSlide, 'Value', str2double(get(phaseTwoEdit, 'String')) / (2*pi)); | |
| set(ampSumSlide, 'Value', str2double(get(ampSumEdit, 'String')) / ampScale); | |
| set(phaseSumSlide, 'Value', str2double(get(phaseSumEdit, 'String')) / (2*pi)); | |
| t = linspace(0, 2*pi, 1000); | |
| theta = 3; % Just use a fixed frequency | |
| amp1 = str2double(get(ampOneEdit, 'String')); | |
| amp2 = str2double(get(ampTwoEdit, 'String')); | |
| phi1 = str2double(get(phaseOneEdit, 'String')); | |
| phi2 = str2double(get(phaseTwoEdit, 'String')); | |
| thetaSum = theta; | |
| ampSum = str2double(get(ampSumEdit, 'String')); | |
| phiSum = str2double(get(phaseSumEdit, 'String')); | |
| x1 = amp1 * sin(t * theta + phi1); | |
| x2 = amp2 * sin(t * theta + phi2); | |
| s = ampSum * sin(t * thetaSum + phiSum); | |
| maxamp = max(amp1 + amp2, 1); | |
| plot(inputAxes, t, x1, t, x2); | |
| axis(inputAxes, [0, 2*pi, -maxamp, maxamp]); | |
| plot(sumAxes, t, x1 + x2, 'c', t, s, 'r'); | |
| axis(sumAxes, [0, 2*pi, -maxamp, maxamp]); | |
| end | |
| end |
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