zhangyiss/libtin
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tmp update

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This commit is contained in:
张壹
2021-09-22 08:53:23 +08:00
parent 2a281b99e5
commit 47dd2c41b8
9 changed files with 15470 additions and 28396 deletions
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32
demo.cpp
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@@ -1,4 +1,4 @@
#include "tin.h"
#include "tin_backup.h"
#include "iostream"
#include "fstream"
#include "iomanip"
@@ -6,10 +6,10 @@
int main(int argc, char const *argv[])
{
// read dem grid
std::vector<double> topo(10201);
std::vector<double> topo(1002001);
std::ifstream infile("topo.txt");
for (int i = 0; i < 10201; ++i)
std::ifstream infile("topo2.txt");
for (int i = 0; i < 1002001; ++i)
{
infile >> topo[i];
}
@@ -18,10 +18,10 @@ int main(int argc, char const *argv[])
std::vector<double> err_records;
std::vector<vertex2dc*> tin_vert;
std::vector<triangle*> tin_ele;
dem2tin(topo, 0, 1000, 0, 1000, 10, 10, tin_vert, tin_ele, 0.5, &err_records);
dem2tin(topo, 0, 1000, 0, 1000, 1, 1, tin_vert, tin_ele, 5.0, &err_records);
// Write a log file
std::ofstream logfile("topo_TIN.log");
std::ofstream logfile("topo2_TIN.log");
logfile << "# Insertion Maxi-Error\n";
for (int i = 0; i < err_records.size(); ++i)
{
@@ -30,7 +30,7 @@ int main(int argc, char const *argv[])
logfile.close();
// Write a Gmsh's .msh file
std::ofstream outfile("topo_TIN.msh");
std::ofstream outfile("topo2_TIN.msh");
outfile << "$MeshFormat" << std::endl << "2.2 0 8" << std::endl << "$EndMeshFormat "<<std::endl;
outfile << "$Nodes" << std::endl << tin_vert.size() << std::endl;
for (int i = 0; i < tin_vert.size(); i++)
@@ -63,6 +63,24 @@ int main(int argc, char const *argv[])
outfile << "$EndNodeData" << std::endl;
outfile.close();
// write a neighbor file
outfile.open("topo2_TIN.neigh");
outfile << tin_ele.size() << std::endl;
for (int i = 0; i < tin_ele.size(); i++)
{
outfile << i + 1;
for (int j = 0; j < 3; j++)
{
if (tin_ele[i]->neigh[j] != nullptr)
{
outfile << " " << tin_ele[i]->neigh[j]->id + 1;
}
else outfile << " -1";
}
outfile << std::endl;
}
outfile.close();
// Destroy memories allocated by the dem2tin function
for (int i = 0; i < tin_vert.size(); ++i)
{