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压缩几何数据

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This commit is contained in:
Zhuangkh 2023-05-06 14:02:12 +08:00
parent 6e8ba1b7ed
commit c2047b4f19
3 changed files with 56 additions and 19 deletions
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10
IDTF.Net/BasicTypes.cs
View File

@ -16,9 +16,15 @@ namespace IDTF.Net
public float Y { get; set; } public float Y { get; set; }
public float Z { get; set; } public float Z { get; set; }
public bool Equals(Point3 other) public override bool Equals(object obj)
{ {
return this.X == other.X && this.Y == other.Y && this.Z == other.Z; if (obj is Point3 other)
{
return Math.Abs(this.X - other.X) < 0.000001
&& Math.Abs(this.Y - other.Y) < 0.000001
&& Math.Abs(this.Z - other.Z) < 0.000001;
}
return false;
} }
public override string ToString() public override string ToString()

17
IDTF.Net/Point3Comparer.cs Normal file
View File

@ -0,0 +1,17 @@
using System.Collections.Generic;
namespace IDTF.Net
{
public class Point3Comparer : IEqualityComparer<Point3>
{
public bool Equals(Point3 x, Point3 y)
{
return x.Equals(y);
}
public int GetHashCode(Point3 obj)
{
return -1;
}
}
}

44
PDF3D.Addin/IDTFBuilder.cs
View File

@ -66,7 +66,7 @@ namespace PDF3D.Addin
MaterialOpacity = (100 - material.Transparency) / 100f MaterialOpacity = (100 - material.Transparency) / 100f
}; };
this._scene.MaterialResources.Add(mat.Name, mat); this._scene.MaterialResources.Add(mat.Name, mat);
this._scene.ShaderResources.Add(mat.Name, new ShaderResource() {ShaderMaterialName = mat.Name, Name = mat.Name }); this._scene.ShaderResources.Add(mat.Name, new ShaderResource() { ShaderMaterialName = mat.Name, Name = mat.Name });
_shaderIndex.Add(mat.Name, this._scene.ShaderResources.Count); _shaderIndex.Add(mat.Name, this._scene.ShaderResources.Count);
return true; return true;
} }
@ -238,36 +238,50 @@ namespace PDF3D.Addin
public void Export(string path) public void Export(string path)
{ {
// Distinct(); Distinct();
_scene.Export(path); _scene.Export(path);
} }
private void Distinct() private void Distinct()
{ {
var comparer = new Point3Comparer();
foreach (var item in _scene.ModelResources.Values) foreach (var item in _scene.ModelResources.Values)
{ {
List<Point3> points = new List<Point3>(); var points = item.Mesh.ModelPositionList.Distinct(comparer).ToList();
foreach (var point in item.Mesh.ModelPositionList)
{
var str = point.ToString();
if (!points.Any(x => x.ToString() == str))
{
points.Add(point);
}
}
if (points.Count != item.Mesh.ModelPositionList.Count) if (points.Count != item.Mesh.ModelPositionList.Count)
{ {
var ptStr = points.Select(x => x.ToString()).ToList();
for (int i = 0; i < item.Mesh.MeshFacePositionList.Count; i++) for (int i = 0; i < item.Mesh.MeshFacePositionList.Count; i++)
{ {
Int3 face = item.Mesh.MeshFacePositionList[i]; Int3 face = item.Mesh.MeshFacePositionList[i];
int a = ptStr.IndexOf(item.Mesh.ModelPositionList[face.IntArray[0]].ToString()); int a = points.IndexOf(item.Mesh.ModelPositionList[face.IntArray[0]]);
int b = ptStr.IndexOf(item.Mesh.ModelPositionList[face.IntArray[1]].ToString()); int b = points.IndexOf(item.Mesh.ModelPositionList[face.IntArray[1]]);
int c = ptStr.IndexOf(item.Mesh.ModelPositionList[face.IntArray[2]].ToString()); int c = points.IndexOf(item.Mesh.ModelPositionList[face.IntArray[2]]);
item.Mesh.MeshFacePositionList[i] = new Int3(a, b, c); item.Mesh.MeshFacePositionList[i] = new Int3(a, b, c);
} }
item.Mesh.ModelPositionList = points; item.Mesh.ModelPositionList = points;
} }
//List<Point3> points = new List<Point3>();
//foreach (var point in item.Mesh.ModelPositionList)
//{
// var str = point.ToString();
// if (!points.Any(x => x.ToString() == str))
// {
// points.Add(point);
// }
//}
//if (points.Count != item.Mesh.ModelPositionList.Count)
//{
// var ptStr = points.Select(x => x.ToString()).ToList();
// for (int i = 0; i < item.Mesh.MeshFacePositionList.Count; i++)
// {
// Int3 face = item.Mesh.MeshFacePositionList[i];
// int a = ptStr.IndexOf(item.Mesh.ModelPositionList[face.IntArray[0]].ToString());
// int b = ptStr.IndexOf(item.Mesh.ModelPositionList[face.IntArray[1]].ToString());
// int c = ptStr.IndexOf(item.Mesh.ModelPositionList[face.IntArray[2]].ToString());
// item.Mesh.MeshFacePositionList[i] = new Int3(a, b, c);
// }
// item.Mesh.ModelPositionList = points;
//}
} }
} }