idxfdata.h

Go to the documentation of this file.

#pragma once
//dxfreader.h
 
// DXF Reader class
// Pass in IDXFData class to process data
 
/*********************************************************************
DXF Format: 
Find "0 SECTION"
"2 ENTITIES"
 
Find "0 POINT"
"8 <layer name>"
"10 < x > "
"20 < y > "
"30 < z > "
 
Find "0 3DFACE"
"8 < layer name > "
"10 < x1 > "
"20 < y1 > "
"30 < z1 > "
"11 < x2 > "
"21 < y2 > "
"31 < z2 > "
"12 < x3 > "
"22 < y3 > "
"32 < z3 > "
"13 < x4 > "
"23 < y4 > "
"33 < z4 > "
 
Find "0 POLYLINE"
"70 64 " [Polyface Mesh]
"8 <layer name>"
"0 VERTEX"
"70 192"
"10 < x > "
"20 < y > "
"30 < z > "
"0 VERTEX" [INDEXED FACE]
"70 128"
"71 <vi1>"
"72 <vi2>"
"73 <vi3>"
["74 <vi4>"]
"0 SEQEND"
 
Find "0 POLYLINE"
"8 <layer name>"
"70 16 " [3D polygon mesh]
"70 1 " [Polygon mesh closed in the M direction.]
"70 64 " [Polygon mesh closed in the N direction.]
"71 <M>" [Polygon mesh M vertex count (optional; default = 0)]
"72 <N>" [Polygon mesh N vertex count (optional; default = 0)]
"0 VERTEX"
"70 64"
"10 < x > "
"20 < y > "
"30 < z > "
"0 SEQEND"
 
Find "0 POLYLINE"
"70 < g.n > " [ g.n%2=1 implies closed polyline.]
"8 <layer name>"
"210 < extrude_x > "
"220 < extrude_y > "
"230 < extrude_z > "
"0 VERTEX"
"10 < x > "
"20 < y > "
"30 < z > "
"0 SEQEND"
 
Or "0 LWPOLYLINE"
"8 <layer name>"
"38 < z > "
"70 < g.n > " [ g.n%2=1 implies closed polyline.]
"90 < n > " [# of vertices]
"10 < x > "
"20 < y > "
 
Or "0 LINE"
"8 <layer name>"
"10 < x1 > "
"11 < x2 > "
"20 < y1 > "
"21 < y2 > "
"30 < z1 > "
"31 < z2 > "
"210 < extrude_x > "
"220 < extrude_y > "
"230 < extrude_z > "
 
Until "0 ENDSEC"
"0 EOF"
*/
 
#include "base/src/base.h"
 
namespace itasca
{
 
 class IDXFData
 {
 public:
 virtual void setLayer(const QString &layername)=0;
 virtual void setClosed()=0;
 
 virtual void addPoint(const DVect3& p)=0; 
 virtual void addLine(const DVect3& p1, const DVect3& p2)=0;
 
 virtual void startPolyline()=0;
 virtual void addPolylineVertex(const DVect3 &p)=0;
 virtual void endPolyline()=0;
 
 virtual void add3DFace(const DVect3 &p1, const DVect3 &p2, const DVect3 &p3)=0;
 virtual void add3DFace(const DVect3 &p1, const DVect3 &p2, const DVect3 &p3, const DVect3 &p4)=0;
 
 virtual void startPolyFaceMesh()=0; 
 virtual void addPolyFace(int32_t n1, int32_t n2, int32_t n3, int32_t n4)=0;
 
 virtual void startPolygonMesh()=0;
 virtual void setMeshClosedN()=0;
 virtual void setMeshClosedM()=0;
 virtual void setMeshN(int n)=0;
 virtual void setMeshM(int m)=0;
 
 virtual void startLWPolyline()=0;
 virtual void setLWPolylineZ(const double &z)=0;
 virtual void addLWPolylineVertex(const double &x,const double &y)=0;
 virtual void endLWPolyline()=0;
 
 virtual void writeParseWarning(int line,const QString &x)=0;
 
 virtual bool progress(int pos,int max=0)=0;
 };
} // namespace itasca
// EoF