Graph Reader is an application for non-digitized graphs data reading
The Graph Reader android application uses four points (lines) to read the data. Two points, named Rf1 and Rf2, are used as reference points. The reference points can be aligned to the points with known coordinates at Cartesian axis. Other two points are for data reading and are denoted Ln1 and Ln2.
One can analyze TEM graphs, do measurements and comparisons on graphs and photos
The user can open image files, accept sent image files or take a photo of graph from the paper or from the screen.
For PDF the easiest way is to open the file in any PDF reader, zoom the graph, take a screen shot and sent it to the Graph Reader