Index: /issm/trunk/src/mex/InterpFromGridToMesh/InterpFromGrid.cpp
===================================================================
--- /issm/trunk/src/mex/InterpFromGridToMesh/InterpFromGrid.cpp	(revision 2289)
+++ /issm/trunk/src/mex/InterpFromGridToMesh/InterpFromGrid.cpp	(revision 2289)
@@ -0,0 +1,83 @@
+/*!\file InterpFromGrid.c
+ * \brief: data interpolation from a list of (x,y,values) into mesh grids
+ 
+	InterpFromGrid.c
+
+	usage:
+	data_mesh=InterpFromGrid(x,y,data,x_mesh,y_mesh);
+	
+	where:
+
+		input:
+		x,y: coordinates of matrix data
+		data - matrix holding the data to be interpolated onto the mesh.
+		x_mesh,y_mesh: coordinates of the mesh grids onto which we interpolate.
+		
+		output: 
+		data_mesh:  vector of mesh interpolated data.
+
+*/
+	
+#include "./InterpFromGrid.h"
+
+void mexFunction( int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) {
+
+	int i,j;
+
+	/*input: */
+	double* x=NULL;
+	double* y=NULL;
+
+	int     x_rows;
+	int     y_rows;
+
+	double* data=NULL; 
+	int     data_rows,data_cols;
+
+	double* x_mesh=NULL;
+	double* y_mesh=NULL;
+	
+	int     x_mesh_rows;
+	int     y_mesh_rows;
+
+	double default_value;
+
+	/* output: */
+	Vec  data_mesh=NULL;
+
+	/*Boot module: */
+	MODULEBOOT();
+
+	/*checks on arguments on the matlab side: */
+	CheckNumMatlabArguments(nlhs,NLHS,nrhs,NRHS,__FUNCT__,&InterpFromGridUsage);
+
+	/*Input datasets: */
+	FetchData((void**)&x,&x_rows,NULL,XHANDLE,"Matrix","Mat");
+	FetchData((void**)&y,&y_rows,NULL,YHANDLE,"Matrix","Mat");
+	FetchData((void**)&data,&data_rows,&data_cols,DATAHANDLE,"Matrix","Mat");
+	FetchData((void**)&x_mesh,&x_mesh_rows,NULL,XMESHHANDLE,"Matrix","Mat");
+	FetchData((void**)&y_mesh,&y_mesh_rows,NULL,YMESHHANDLE,"Matrix","Mat");
+	FetchData((void**)&default_value,NULL,NULL,DEFAULTHANDLE,"Scalar",NULL);
+
+	/* Run core computations: */
+	InterpFromGridx( &data_mesh, x, x_rows,  y, y_rows, data, data_rows,data_cols, x_mesh, y_mesh, x_mesh_rows,default_value);
+
+	/*Write data: */
+	WriteData(DATAMESH,data_mesh,0,0,"Vector",NULL);
+
+	/*end module: */
+	MODULEEND();
+}
+
+void InterpFromGridUsage(void)
+{
+	_printf_("   usage:\n");
+	_printf_("   data_mesh=InterpFromGrid(x,y,data,x_mesh,y_mesh,defult_value);\n\n");
+	_printf_("   where:\n");
+	_printf_("      x,y: coordinates of matrix data\n");
+	_printf_("      data - matrix holding the data to be interpolated onto the mesh.\n");
+	_printf_("      x_mesh,y_mesh: coordinates of the mesh grids onto which we interpolate.\n");
+	_printf_("      default_value: default value if no interpolation is found.\n");
+	_printf_("      data_mesh:  vector of mesh interpolated data.\n");
+	_printf_("\n");
+}
Index: /issm/trunk/src/mex/InterpFromGridToMesh/InterpFromGrid.h
===================================================================
--- /issm/trunk/src/mex/InterpFromGridToMesh/InterpFromGrid.h	(revision 2289)
+++ /issm/trunk/src/mex/InterpFromGridToMesh/InterpFromGrid.h	(revision 2289)
@@ -0,0 +1,37 @@
+/*!\file InterpFromGrid.h
+ * \brief: prototype for Data Interpolation mex module.
+ */
+
+#ifndef _InterpFromGrid_H
+#define _InterpFromGrid_H
+
+/* local prototypes: */
+void InterpFromGridUsage(void);
+
+#include "../../c/issm.h"
+
+#undef __FUNCT__ 
+#define __FUNCT__  "InterpFromGrid"
+
+#undef CLEANUP
+#define CLEANUP InterpFromGridLocalCleanup();
+
+
+/* serial input macros: */
+#define XHANDLE prhs[0]
+#define YHANDLE prhs[1]
+#define DATAHANDLE prhs[2]
+#define XMESHHANDLE prhs[3]
+#define YMESHHANDLE prhs[4]
+#define DEFAULTHANDLE prhs[5]
+
+/* serial output macros: */
+#define DATAMESH (mxArray**)&plhs[0]
+
+/* serial arg counts: */
+#undef NLHS
+#define NLHS  1
+#undef NRHS
+#define NRHS  6
+
+#endif  /* _INTERPFROMGRId_H */