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AcDbPolyline *pPolyline=...;
double elevation = pPolyline->elevation();
AcGeVector3d zAxis = pPolyline::normal();
AcGeVector3d xAxis = zAxis.perpVector();
AcGeVector3d yAxis = (zAxis.crossProduct(xAxis)).normalize();
AcGePoint3d origin = AcGePoint3d::kOrigin + elevation * zAxis:
AcGeMatrix3d trans;
trans.setCoordSystem(origin, xAxis, yAxis, zAxis); |
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发表于 2024-6-22 09:46:18
