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Graph Picker

5.0
5.0 | 1 rating Rate this file 7 Downloads (last 30 days) File Size: 158 KB File ID: #41313 Version: 1.1
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Graph Picker

by

Travis Wiens (view profile)

 

16 Apr 2013 (Updated )

Helps digitize graph data from an image.

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Description

Often we receive data in graphical form (e.g. from data sheets), but want that same data in numerical form. This can be time consuming to manually read points from a graph. This package provides a GUI to assist in this task.

One simply identifies two known x-values and two known y-values from the graph image as reference points. Then one may click on any point on the graph and the GUI will return its x and y value.

Works with linear and log scales. Also generates axes data if you want to plot other data over your image at the same scaling.

For more information, please see http://www.nutaksas.com or http://www.convergentmc.com

Required Products MATLAB
MATLAB release MATLAB 8.1 (R2013a)
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Comments and Ratings (3)
29 Jan 2016 Sebastian Hölz

To enable import of indexed images, change / insert the following for line 77:

[im, map] = imread(filename);
if ~isempty(map)
if ~isempty(map)
im = ind2rgb(im,map);
end
end

Comment only
16 Aug 2013 Sebastian Hölz

You should give the links to the required files (rotate_image, imclipboard).

Comment only
19 Apr 2013 Ligong Han  
Updates
18 Apr 2013 1.1

Fixed typo in description.

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