diff --git a/src/parameter.h b/src/parameter.h
new file mode 100644
--- /dev/null
+++ b/src/parameter.h
@@ -0,0 +1,149 @@
+/*
+ *
+ *  $Id$
+ *
+ *  This file is part of the Virtual Leaf.
+ *
+ *  The Virtual Leaf is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The Virtual Leaf is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with the Virtual Leaf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Copyright 2010 Roeland Merks.
+ *
+ */
+
+#ifndef _PARAMETER_H_
+#define _PARAMETER_H_
+#include "vector.h"
+#include <vector>
+
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+class Parameter {
+  
+ public: 
+  Parameter();
+  ~Parameter();
+  void CleanUp(void);
+  void Read(const char *filename);
+  void Write(ostream &os) const;
+  void XMLAdd(xmlNode *root) const;
+  void XMLRead(xmlNode *root);
+  void AssignValToPar(const char *namec, const char *valc);
+  void AssignValArrayToPar(const char *namec, vector<double> valarray);
+  char * arrowcolor;
+  double arrowsize;
+  char * textcolor;
+  int cellnumsize;
+  int nodenumsize;
+  double node_mag;
+  double outlinewidth;
+  char * cell_outline_color;
+  int resize_stride;
+  double T;
+  double lambda_length;
+  double lambda_celllength;
+  double target_length;
+  double cell_expansion_rate;
+  double cell_div_expansion_rate;
+  bool auxin_dependent_growth;
+  double ode_accuracy;
+  double mc_stepsize;
+  double mc_cell_stepsize;
+  double energy_threshold;
+  double bend_lambda;
+  double alignment_lambda;
+  double rel_cell_div_threshold;
+  double rel_perimeter_stiffness;
+  double collapse_node_threshold;
+  double morphogen_div_threshold;
+  double morphogen_expansion_threshold;
+  bool copy_wall;
+  double source;
+  double * D;
+  double * initval;
+  double k1;
+  double k2;
+  double r;
+  double kr;
+  double km;
+  double Pi_tot;
+  double transport;
+  double ka;
+  double pin_prod;
+  double pin_prod_in_epidermis;
+  double pin_breakdown;
+  double pin_breakdown_internal;
+  double aux1prod;
+  double aux1prodmeso;
+  double aux1decay;
+  double aux1decaymeso;
+  double aux1transport;
+  double aux_cons;
+  double aux_breakdown;
+  double kaux1;
+  double kap;
+  double leaf_tip_source;
+  double sam_efflux;
+  double sam_auxin;
+  double sam_auxin_breakdown;
+  double van3prod;
+  double van3autokat;
+  double van3sat;
+  double k2van3;
+  double dt;
+  double rd_dt;
+  char * datadir;
+  bool movie;
+  int nit;
+  double maxt;
+  int storage_stride;
+  int xml_storage_stride;
+  int rseed;
+  int constituous_expansion_limit;
+  double vessel_inh_level;
+  double vessel_expansion_rate;
+  double d;
+  double e;
+  double f;
+  double c;
+  double mu;
+  double nu;
+  double rho0;
+  double rho1;
+  double c0;
+  double gamma;
+  double eps;
+  double * k;
+  int i1;
+  int i2;
+  int i3;
+  int i4;
+  int i5;
+  char * s1;
+  char * s2;
+  char * s3;
+  bool b1;
+  bool b2;
+  bool b3;
+  bool b4;
+  char * dir1;
+  char * dir2;
+ private:
+};
+
+ostream &operator<<(ostream &os, Parameter &p);
+const char *sbool(const bool &p);
+
+
+#endif