AMCAX Kernel
Geometry kernel for CAD/CAE/CAM
九韶内核 1.0.0.0
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文件读写/格式转换

目前我们内核支持的有 BREP 文件的导入和导出、网格文件读写（OBJ, STL）、IGES 文件的导入和导出、STEP 文件的导入和导出。

BREP 文件的导入和导出

导入

AMCAX::OCCTIO::OCCTTool::Read 提供导入文件的功能。

AMCAX::TopoShape shape1;
AMCAX::OCCTIO::OCCTTool::Read(shape1, "./data/box.brep");
AMCAX::OCCTIO::OCCTTool::Read
static AMCAX_API bool Read(TopoShape &s, std::istream &is)
Read a shape from a stream
AMCAX::TopoShape
Base class of shape, containing an underlying shape with a location and an orientation
定义 TopoShape.hpp:15

导出

AMCAX::OCCTIO::OCCTTool::Write 提供导出文件的功能。

AMCAX::TopoShape box = AMCAX::MakeBox(AMCAX::Point3(-5.0, -5.0, 0.0), AMCAX::Point3(5.0, 5.0, 3.0));
AMCAX::OCCTIO::OCCTTool::Write(box, "./box.brep");
AMCAX::MakeBox
Class of making a box
定义 MakeBox.hpp:18
AMCAX::OCCTIO::OCCTTool::Write
static AMCAX_API bool Write(const TopoShape &s, std::ostream &os, int format=3)
Write a shape to a stream
AMCAX::Point3
PointT< double, 3 > Point3
三维点
定义 PointT.hpp:459

网格文件读写（OBJ, STL）

OBJ

AMCAX::Meshing::Mesh::OBJReader 提供读取文件的功能； AMCAX::Meshing::Mesh::OBJWriter 提供写入文件的功能。

AMCAX::Meshing::Mesh::IOOptions io_options;
AMCAX::Meshing::Mesh::OBJReader< AMCAX::Meshing::Mesh::TriSoupTraits_Coord> obj_reader;
std::cout << obj_reader.read("./data/cow.obj", io_options) << std::endl;
AMCAX::Meshing::Mesh::OBJWriter< AMCAX::Meshing::Mesh::TriSoupTraits_Coord> obj_writer;
std::cout << obj_writer.write("cow1.obj", io_options, 10) << std::endl;
AMCAX::Meshing::Mesh::IOOptions
Options about pre-described properties in mesh IO.
定义 IOOptions.hpp:19
AMCAX::Meshing::Mesh::OBJReader
Read triangle soup from an OBJ file.
定义 OBJReader.hpp:38
AMCAX::Meshing::Mesh::OBJReader::read
AMCAXMeshing_API bool read(const std::string &filename, IOOptions &opt)
Read triangle soup from the file. results will be stored in member variables of reader,...
AMCAX::Meshing::Mesh::OBJWriter
Write triangle soup to an OBJ file.
定义 OBJWriter.hpp:38
AMCAX::Meshing::Mesh::OBJWriter::write
AMCAXMeshing_API bool write(const std::string &filename, IOOptions &opt, std::streamsize precision)
Write triangle soup to file with given options and precison.

STL

AMCAX::Meshing::Mesh::STLReader 提供导入文件的功能； AMCAX::Meshing::Mesh::STLWriter 提供导出文件的功能。

AMCAX::Meshing::Mesh::IOOptions io_options2;
AMCAX::Meshing::Mesh::STLReader< AMCAX::Meshing::Mesh::TriSoupTraits_Coord> stl_reader;
std::cout << stl_reader.read("./data/cow.stl", io_options2) << std::endl;
AMCAX::Meshing::Mesh::STLWriter< AMCAX::Meshing::Mesh::TriSoupTraits_Coord> stl_writer;
std::cout << stl_writer.write("cow2.stl", io_options2, 10) << std::endl;
AMCAX::Meshing::Mesh::STLReader
Read triangle soup from an STL file.
定义 STLReader.hpp:33
AMCAX::Meshing::Mesh::STLReader::read
AMCAXMeshing_API bool read(const std::string &filename, IOOptions &opt)
Read triangle soup from the file.
AMCAX::Meshing::Mesh::STLWriter
Write mesh to an STL file.
定义 STLWriter.hpp:33
AMCAX::Meshing::Mesh::STLWriter::write
AMCAXMeshing_API bool write(const std::string &filename, IOOptions &opt, std::streamsize precision=6)
Write mesh to file with given options and precison.

IGES 文件

导入

支持导入曲线，曲面和实体。 AMCAX::IGES::IgesIO::Read 提供导入文件的功能。

AMCAX::TopoShape ts1;
std::cout << AMCAX::IGES::IgesIO::Read(ts1, "./data/edge.igs") << std::endl;
AMCAX::TopoShape ts2;
std::cout << AMCAX::IGES::IgesIO::Read(ts2, "./data/face.igs") << std::endl;
AMCAX::TopoShape ts3;
std::cout << AMCAX::IGES::IgesIO::Read(ts1, "./data/solid.igs") << std::endl;
AMCAX::IGES::IgesIO::Read
static AMCAX_API bool Read(TopoShape &s, const std::string &file)
从文件中读取形状

导出

支持将点，线，面，实体导出为离散的几何体。 AMCAX::IGES::IgesIO::Write 提供导出文件的功能。

//solid
AMCAX::TopoShape s1;
s1 = AMCAX::MakeBox(1.,1.,1.);
AMCAX::IGES::IgesIO::Write(s1, "solid.igs");
//vertex
AMCAX::IndexSet<AMCAX::TopoShape> vertex;
AMCAX::TopoExplorerTool::MapShapes(s1, AMCAX::ShapeType::Vertex, vertex);
AMCAX::TopoEdge vertex1 = static_cast<const AMCAX::TopoEdge&>(vertex[0]);
AMCAX::IGES::IgesIO::Write(vertex1, "vertex.igs");
//edge
AMCAX::IndexSet<AMCAX::TopoShape> edge;
AMCAX::TopoExplorerTool::MapShapes(s1, AMCAX::ShapeType::Edge, edge);
AMCAX::TopoEdge edge1 = static_cast<const AMCAX::TopoEdge&>(edge[0]);
AMCAX::IGES::IgesIO::Write(edge1, "edge.igs");
//face
AMCAX::IndexSet<AMCAX::TopoShape> face;
AMCAX::TopoExplorerTool::MapShapes(s1, AMCAX::ShapeType::Face, face);
AMCAX::TopoEdge face1 = static_cast<const AMCAX::TopoEdge&>(face[0]);
AMCAX::IGES::IgesIO::Write(face1, "face.igs");
AMCAX::IGES::IgesIO::Write
static AMCAX_API bool Write(const TopoShape &s, const std::string &file, int format=0)
将形状写入文件
AMCAX::IndexSet
索引集的模板类
定义 IndexSet.hpp:20
AMCAX::TopoEdge
Class of edge
定义 TopoEdge.hpp:12
AMCAX::TopoExplorerTool::MapShapes
static AMCAX_API void MapShapes(const TopoShape &s, ShapeType t, IndexSet< TopoShape > &shapeSet)
Construct a set of sub-shapes of given type

STEP 文件

导入

支持导入零件本体、名称、文本描述、位置、朝向，简单组装信息。
建设中。

导出

支持导出零件本体、名称、位置、朝向、颜色等信息。
建设中。