# MDFF force threshold

From: Ivana (stankoviciv_at_gmail.com)
Date: Thu May 02 2013 - 10:07:17 CDT

Hello!

In order to simulate with force proportional to density map values, I want
to define a threshold value öthr for the density map in the MD Flexible
Fitting method, I want to set it to 0.5 for example.
How can I define it in the configuration file or elsewhere?

[image: \begin{displaymath} V_{{\rm EM}}(\mathbf{r}) = \left\{
\begin{array}{ll} \xi~... ...ox{if $\Phi(\mathbf{r}) < \Phi_{thr}$.}
\end{array} \right. \end{displaymath}]

Thanks, Ivana

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