/// <summary>
/// 零件导出dxf
/// </summary>
/// <param name="swApp"></param>
/// <param name="swPart"></param>
/// <param name="dxfPath"></param>
public void PartToDxf(SldWorks swApp, ModelDoc2 swModel, string modulePath)
{
PartDoc swPart = (PartDoc)swModel;
if (swPart == null)
{
return;
}
string swModelName = swModel.GetPathName();
string swDxfName = modulePath + @"\" + swModel.GetTitle().Substring(0, swModel.GetTitle().Length - 6) + "dxf";
double[] dataAlignment = new double[12];
dataAlignment[0] = 0.0;
dataAlignment[1] = 0.0;
dataAlignment[2] = 0.0;
dataAlignment[3] = 1.0;
dataAlignment[4] = 0.0;
dataAlignment[5] = 0.0;
dataAlignment[6] = 0.0;
dataAlignment[7] = 1.0;
dataAlignment[8] = 0.0;
dataAlignment[9] = 0.0;
dataAlignment[10] = 0.0;
dataAlignment[11] = 1.0;
//Array[0], Array[1], Array[2] - XYZ coordinates of new origin
//Array[3], Array[4], Array[5] - coordinates of new x direction vector
//Array[6], Array[7], Array[8] - coordinates of new y direction vector
//判断XYAXIS，长边作为X轴，短的作为Y轴，用于限定拉丝方向
bool status = false;
if (swModel.Extension.SelectByID2("XYAXIS", "SKETCH", 0, 0, 0, false, 0, null, 0))
{
status = true;
}
else if (swModel.Extension.SelectByID2("xyaxis", "SKETCH", 0, 0, 0, false, 0, null, 0))
{
status = true;
}
else if (swModel.Extension.SelectByID2("XY", "SKETCH", 0, 0, 0, false, 0, null, 0))
{
status = true;
}
else if (swModel.Extension.SelectByID2("xy", "SKETCH", 0, 0, 0, false, 0, null, 0))
{
status = true;
}
if (status)
{
Feature swFeature = swModel.SelectionManager.GetSelectedObject6(1, -1);
Sketch swSketch = swFeature.GetSpecificFeature2();
var swSketchPoints = swSketch.GetSketchPoints2(); //获取草图中的所有点
//用这三个点抓取直线，并判断长度，长边作为X轴，画3D草图的时候一次性画出两条线，不能分两次画出，否则会判断错误
SketchPoint p0 = swSketchPoints[0]; //最先画的点
SketchPoint p1 = swSketchPoints[1]; //作为坐标原点
SketchPoint p2 = swSketchPoints[2]; //最后画的点
dataAlignment[0] = p1.X * 1000;
dataAlignment[1] = p1.Y * 1000;
dataAlignment[2] = p1.X * 1000;
double l1 = Math.Sqrt(Math.Pow(p0.X - p1.X, 2) + Math.Pow(p0.Y - p1.Y, 2) + Math.Pow(p0.Z - p1.Z, 2));
double l2 = Math.Sqrt(Math.Pow(p2.X - p1.X, 2) + Math.Pow(p2.Y - p1.Y, 2) + Math.Pow(p2.Z - p1.Z, 2));
if (l1 > l2)
{
dataAlignment[3] = p0.X * 1000 - p1.X * 1000;
dataAlignment[4] = p0.Y * 1000 - p1.Y * 1000;
dataAlignment[5] = p0.Z * 1000 - p1.Z * 1000;
dataAlignment[6] = p2.X * 1000 - p1.X * 1000;
dataAlignment[7] = p2.Y * 1000 - p1.Y * 1000;
dataAlignment[8] = p2.Z * 1000 - p1.Z * 1000;
}
else
{
dataAlignment[3] = p2.X * 1000 - p1.X * 1000;
dataAlignment[4] = p2.Y * 1000 - p1.Y * 1000;
dataAlignment[5] = p2.Z * 1000 - p1.Z * 1000;
dataAlignment[6] = p0.X * 1000 - p1.X * 1000;
dataAlignment[7] = p0.Y * 1000 - p1.Y * 1000;
dataAlignment[8] = p0.Z * 1000 - p1.Z * 1000;
}
}
object varAlignment = dataAlignment;
//Export sheet metal to a single drawing file将钣金零件导出单个dxf文件
//include flat-pattern geometry，倒数第二位数字1代表钣金展开，options = 1;
try
{
swPart.ExportToDWG2(swDxfName, swModelName, (int)swExportToDWG_e.swExportToDWG_ExportSheetMetal, true, varAlignment, false, false, 1, null);
}
catch (Exception ex)
{
throw new Exception(swModelName + "导图过程发生异常" + ex.Message);
}
}