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Running c#

Hi,

How can I run the following c# code in a web page and get the result? the input file is
http://orion.math.iastate.edu/burkardt/data/stl/bottle.stl

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace WebApplication1
{
    public class Algorithm
    {
        private Mesh _mesh { get; set; }

        public Algorithm(Mesh mesh)
        {
            _mesh = mesh;
        }

        private double SignedVolumeOfTriangle(Vector3 p1, Vector3 p2, Vector3 p3)
        {
            var v321 = p3.X * p2.Y * p1.Z;
            var v231 = p2.X * p3.Y * p1.Z;
            var v312 = p3.X * p1.Y * p2.Z;
            var v132 = p1.X * p3.Y * p2.Z;
            var v213 = p2.X * p1.Y * p3.Z;
            var v123 = p1.X * p2.Y * p3.Z;
            return (1.0 / 6.0) * (-v321 + v231 + v312 - v132 - v213 + v123);
        }

        public double VolumeOfMesh()
        {
            double volume = 0.0;

            Vector3[] vertices = _mesh.Vertices;
            int[] triangles = _mesh.Triangles;

            for (int i = 0; i < _mesh.Triangles.Length; i += 3)
            {
                Vector3 p1 = vertices[triangles[i + 0]];
                Vector3 p2 = vertices[triangles[i + 1]];
                Vector3 p3 = vertices[triangles[i + 2]];

                volume += SignedVolumeOfTriangle(p1, p2, p3);
            }

            return Math.Abs(volume);
        }
    }

    public class Mesh
    {
        public Mesh(Vector3[] _vertices, int[] _triangles)
        {
            Vertices = _vertices;
            Triangles = _triangles;
        }

        public Vector3[] Vertices { get; set; }

        public int[] Triangles { get; set; }
    }


    public class Vector3
    {
        public Vector3(double x, double y, double z)
        {
            X = x;
            Y = y;
            Z = z;
        }

        public double X { get; set; }
        public double Y { get; set; }

        public double Z { get; set; }
    }
}

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thanks

ayha

SOLUTION