44 lines
933 B
C++
44 lines
933 B
C++
#pragma once
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#include "gmsh.h"
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#include <msclr\marshal_cppstd.h>
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using System::IntPtr;
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using System::Runtime::InteropServices::Marshal;
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namespace GmshCommon {
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public ref class Utility
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{
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public:
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static array<double>^ GetCentroid(IntPtr elementTag, int elementType)
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{
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size_t eTag(elementTag.ToInt64());
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std::vector<size_t> nodeTags;
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int dim, tag;
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gmsh::model::mesh::getElement(eTag, elementType, nodeTags, dim, tag);
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std::vector<double> coord, parametricCoord;
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//gmsh::model::mesh::getNodes(nodeTags, coord, parametricCoord, dim, tag, false, true);
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double x = 0, y = 0, z = 0;
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for (int i = 0; i < nodeTags.size(); ++i)
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{
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gmsh::model::mesh::getNode(nodeTags[i], coord, parametricCoord, dim, tag);
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x += coord[0];
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y += coord[1];
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z += coord[2];
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}
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x /= nodeTags.size();
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y /= nodeTags.size();
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z /= nodeTags.size();
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return gcnew array<double> { x, y, z };
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}
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};
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}
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