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[[en:processing:персистентная_длина]]

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en:processing:персистентная_длина [2012/07/04 11:16]
Анастасия Большакова
en:processing:персистентная_длина [2012/09/05 21:31] (current)
Анастасия Большакова [Evaluate]
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-====== Persistence ​lenght ​calculation ======+====== Persistence ​length ​calculation ======
  
 +===== Add curve =====
  
-For pesistence ​lenght ​calculation ​first, you need to choose a curve, using the tool [[Выделение кривых|Curve selection]].+For pesistence ​length ​calculation, ​first you need to choose a curve, using the tool [[Выделение кривых|Curve selection]].
  
-After curve selection, press the button "Add curve to list" {{:​en:​processing:​perslen_big.png|}}. ​+After selecting the curve, press the button "Add curve to list" {{:​en:​processing:​perslen_big.png|}}. ​
  
  
-Then choose ​(or create) data file with curves.+The dialog with data file name will be shown. You can choose ​an existing file or enter a new file name - if no such file exist, it will be created. 
 +The coordinates of the curve points will be stored in this file.
  
 {{:​en:​processing:​list_curves.png|}} {{:​en:​processing:​list_curves.png|}}
  
-Press the button ​"​Ok"​.+Press the "​Ok" ​button.
  
  
-After that, choose other curve, and add it into the data file with list of curves.+After that, choose other curve, and add it into the data file with the curves ​list.
  
 For reliable result you need to collect in data file at least 100 curves. For reliable result you need to collect in data file at least 100 curves.
  
-For persistent lenght calculation go [[меню Математика|Mathematics]]->​Persistent lenght->Evaluate:+===== Evaluate ​=====
  
-{{:en:​processing:​perlen-evaluate.png?​300|}}+For persistence length calculation go to the menu [[меню Математика|Mathematics]]->​Persistence length->​Evaluate:
  
-After this operation in the main window will appeare three new windows:+{{:en:​processing:​perlen-evaluate.png?​400|}}
  
 +After this operation three new windows will appear in the main window:
  
-1) with calculated persistence length. 
  
-{{:​en:​processing:​perlen-value.png?​|}}+  ​with calculated persistence length  
 +  - with the graph %%<​%%Theta<​sup>​2</​sup>​%%>​%% from contour length of the curve, where Theta is an angle of the curvature along the curve 
 +  - with the setup menu of the graph window ​
  
-2with the graph theta<​sup>​2</​sup>​ from length of the curve+{{:​en:​processing:​perlen-value.png?​300|}}(1) 
 +{{:​en:​processing:​perlen-graph.png?​300|}}(2
 +{{:​en:​processing:​perlen-data.png?​200|}}(3)
  
-{{:​en:​processing:​perlen-graph.png?​|}} +Where "​Maximum curve length"​ is a limit on the horizintal ​axis,
- +
-3) with the setup menu of the graph window. +
- +
-{{:​en:​processing:​perlen-data.png|}} +
- +
- +
-Where Theta is an angle of curvature along the curve,  +
-"​Maximum curve length"​ is a limit on the horizintal ​axes,+
 "​Averaging step" is a value of the step averaging. "​Averaging step" is a value of the step averaging.
  
 +For more details see our video tutorial: http://​youtu.be/​dWqAfaWDqZc