First, import the necessary data and ensure that it is organized in a way that it can be easily graphed.
Next, create a figure using the figure()
function in Octave.
Add your initial plot to the figure using the plot()
function.
Create a slider using the uicontrol()
function. Specify the slider's position, width, and height.
Set the slider's properties using the set()
function. This includes minimum and maximum values, default value, and the function to be called when the slider is moved.
Define the function that will be called when the slider is moved. This function should take the slider value as an argument, and it should update the plot accordingly.
Use the addlistener()
function to create a listener that will call the update function whenever the slider is moved.
Finally, use the waitfor()
function to keep the figure open until it is closed by the user.
Here is an example code:
% Import the data
data = load('data.csv');
% Define the initial plot
plot(data(:, 1), data(:, 2));
% Create the figure
fig = figure();
% Define the slider
slider = uicontrol('Parent', fig, 'Style', 'slider', ...
'Min', 1, 'Max', size(data, 1), 'Value', 1, ...
'Position', [150 20 300 20]);
% Define the update function
function update_plot(slider_value)
% Get the current data
data = load('data.csv');
% Update the plot
plot(data(slider_value:end, 1), data(slider_value:end, 2));
% Set the axes limits
xlim([data(slider_value, 1) max(data(:, 1))]);
ylim([min(data(:, 2)) max(data(:, 2))]);
end
% Add the listener
addlistener(slider, 'Value', 'PostSet', @(~, ~) update_plot(round(slider.Value)));
% Wait for the user to close the figure
waitfor(fig);
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Asked: 2021-10-07 11:00:00 +0000
Seen: 17 times
Last updated: Nov 11 '22
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