add global README file

README.txt

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+/************************************************************************/
+/*                                                                      */
+/*                  ANALYSIS OF STORM DATA                              */
+/*                                                                      */
+/*    Copyright 2010-2011 by Joachim Schleicher and Ullrich Koethe      */
+/*                                                                      */
+/*    Please direct questions, bug reports, and contributions to        */
+/*    joachim.schleicher@iwr.uni-heidelberg.de                          */
+/************************************************************************/
+
+dSTORM microscopy can improve the resolution of conventional fluorescent
+microscopy by one order of magnitude. The data analysis software has to
+localize many thousand single molecule point-spread-functions to
+reconstruct an image of the underlying structure.
+
+Content of this archive:
+  storm/  sources for single-molecule-localization
+          and command-line utility to analyze .sif and .hdf5 input data
+  gui/    Qt-based graphical-user-interface (GUI) for selection of
+          input files and appropriate parameter(s)
+  python/ helper scripts to analyze and display the coordinate
+          lists generated by the utilities above
+  colorcomposer/
+          multi-channel measurements have to be aligned due to
+		  chromatic aberrations. Tetraspeck-Beads are detected
+		  automatically so that the images can be registrated easily.
+
+More details are available in the diploma thesis at
+http://hci.iwr.uni-heidelberg.de/Staff/jschleic/
+