AcDbIntArray & geomIds) const
#else
Acad::ErrorStatus PDSphere::getOsnapPoints(
AcDb::OsnapMode osnapMode,
int gsSelectionMark,
const AcGePoint3d& pickPoint,
const AcGePoint3d& lastPoint,
const AcGeMatrix3d& viewXform,
AcGePoint3dArray& snapPoints,
AcDbIntArray& geomIds) const
#endif
{
assertReadEnabled();
if(!hasSnap())
return Acad::eOk;
if(gsSelectionMark == 0)
return Acad::eOk;
AcGeVector3d viewDir(viewXform(Z, 0), viewXform(Z, 1),
viewXform(Z, 2));
switch(osnapMode)
{
case AcDb::kOsModeEnd:
break;
case AcDb::kOsModeMid:
break;
case AcDb::kOsModeCen:
snapPoints.append(m_ptCenter);
break;
case AcDb::kOsModeQuad:
{
AcGeCubicSplineCurve3d varcur;
AcGeCubicSplineCurve3d varcurs[7];
switch(gsSelectionMark)
{
case 1:
varcur = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(1, 0, 0), m_dRadius));
break;
case 2:
varcur = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(1, 1, 0), m_dRadius));
break;
case 3:
varcur = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(0, 1, 0), m_dRadius));
break;
case 4:
varcur = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(-1, 1, 0), m_dRadius));
break;
case 5:
varcur = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(0, 0, 1), m_dRadius));
break;
case 6:
varcur = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter - AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0)));
break;
case 7:
varcur = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter + AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0)));
break;
//定义球面象限点的捕捉方式
//added by szw 2009.11.18 : begin
case 8:
varcurs[0] = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(1, 0, 0), m_dRadius));
varcurs[1] = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(1, 1, 0), m_dRadius));
varcurs[2] = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(0, 1, 0), m_dRadius));
varcurs[3] = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(-1, 1, 0), m_dRadius));
varcurs[4] = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter, AcGeVector3d(0, 0, 1), m_dRadius));
varcurs[5] = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter - AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0)));
varcurs[6] = AcGeCubicSplineCurve3d(AcGeCircArc3d(m_ptCenter + AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0)));
break;
default:
break;
//added by szw 2009.11.18 : end
}
if(gsSelectionMark < 8)
{
double fromParam = varcur.startParam();
double toParam = varcur.endParam();
double delta = (toParam - fromParam) / 4.0;
for(int i = 0; i < 4; i++)
snapPoints.append(varcur.evalPoint(fromParam + i * delta));
}
//定义球面象限点的捕捉方式
//added by szw 2009.11.18 : begin
else if(gsSelectionMark == 8)
{
for(int j = 0; j < 7; ++j)
{
double fromParam = varcurs[j].startParam();
double toParam = varcurs[j].endParam();
double delta = (toParam - fromParam) / 4.0;
for(int i = 0; i < 4; i++)
snapPoints.append(varcurs[j].evalPoint(fromParam + i * delta));
}
}
//added by szw 2009.11.18 : end
}
break;
case AcDb::kOsModeNode:
break;
case AcDb::kOsModeIns:
snapPoints.append(m_ptCenter);
break;
case AcDb::kOsModePerp:
{
AcGeCircArc3d cir;
AcGeCircArc3d cirs[7];
switch(gsSelectionMark)
{
case 1:
cir.set(m_ptCenter, AcGeVector3d(1, 0, 0), m_dRadius);
break;
case 2:
cir.set(m_ptCenter, AcGeVector3d(1, 1, 0), m_dRadius);
break;
case 3:
cir.set(m_ptCenter, AcGeVector3d(0, 1, 0), m_dRadius);
break;
case 4:
cir.set(m_ptCenter, AcGeVector3d(-1, 1, 0), m_dRadius);
break;
case 5:
cir.set(m_ptCenter, AcGeVector3d(0, 0, 1), m_dRadius);
break;
case 6:
cir.set(m_ptCenter - AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius *sin(PI / 4.0));
break;
case 7:
cir.set(m_ptCenter + AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0));
break;
//定义球面垂直正交点的捕捉方式
//added by szw 2009.11.18 : begin
case 8:
cirs[0].set(m_ptCenter, AcGeVector3d(1, 0, 0), m_dRadius);
cirs[1].set(m_ptCenter, AcGeVector3d(1, 1, 0), m_dRadius);
cirs[2].set(m_ptCenter, AcGeVector3d(0, 1, 0), m_dRadius);
cirs[3].set(m_ptCenter, AcGeVector3d(-1, 1, 0), m_dRadius);
cirs[4].set(m_ptCenter, AcGeVector3d(0, 0, 1), m_dRadius);
cirs[5].set(m_ptCenter - AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius *sin(PI / 4.0));
cirs[6].set(m_ptCenter + AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0));
break;
default:
break;
//added by szw 2009.11.18 : end
}
if(gsSelectionMark < 8)
{
AcGePoint3d pt;
pt = cir.closestPointTo(lastPoint);
snapPoints.append(pt);
}
//定义球面垂直正交点的捕捉方式
//added by szw 2009.11.18 : begin
else if(gsSelectionMark == 8)
{
for(int i = 0; i < 7; ++i)
{
AcGePoint3d pt;
pt = cirs[i].closestPointTo(lastPoint);
snapPoints.append(pt);
}
}
//added by szw 2009.11.18 : end
}
break;
case AcDb::kOsModeTan:
break;
case AcDb::kOsModeNear:
{
AcGePoint3d pt;
AcGeCircArc3d cir;
AcGeCircArc3d cirs[7];
switch(gsSelectionMark)
{
case 1:
cir.set(m_ptCenter, AcGeVector3d(1, 0, 0), m_dRadius);
break;
case 2:
cir.set(m_ptCenter, AcGeVector3d(1, 1, 0), m_dRadius);
break;
case 3:
cir.set(m_ptCenter, AcGeVector3d(0, 1, 0), m_dRadius);
break;
case 4:
cir.set(m_ptCenter, AcGeVector3d(-1, 1, 0), m_dRadius);
break;
case 5:
cir.set(m_ptCenter, AcGeVector3d(0, 0, 1), m_dRadius);
break;
case 6:
cir.set(m_ptCenter - AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius *sin(PI / 4.0));
break;
case 7:
cir.set(m_ptCenter + AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0));
break;
//定义球面垂直正交点的捕捉方式
//added by szw 2009.11.18 : begin
case 8:
cirs[0].set(m_ptCenter, AcGeVector3d(1, 0, 0), m_dRadius);
cirs[1].set(m_ptCenter, AcGeVector3d(1, 1, 0), m_dRadius);
cirs[2].set(m_ptCenter, AcGeVector3d(0, 1, 0), m_dRadius);
cirs[3].set(m_ptCenter, AcGeVector3d(-1, 1, 0), m_dRadius);
cirs[4].set(m_ptCenter, AcGeVector3d(0, 0, 1), m_dRadius);
cirs[5].set(m_ptCenter - AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius *sin(PI / 4.0));
cirs[6].set(m_ptCenter + AcGeVector3d(0, 0, 1) * m_dRadius * cos(PI / 4.0), AcGeVector3d(0, 0, 1), m_dRadius * sin(PI / 4.0));
break;
default:
break;
//added by szw 2009.11.18 : end
}
if(gsSelectionMark < 8)
{
pt = cir.projClosestPointTo(pickPoint, viewDir);
snapPoints.append(pt);
}
//定义球面垂直正交点的捕捉方式
//added by szw 2009.11.18 : begin
else if(gsSelectionMark == 8)
{
for(int i = 0; i < 7; ++i)
{
pt = cirs[i].projClosestPointTo(pickPoint, viewDir);
snapPoints.append(pt);
}
}
//added by szw 2009.11.18 : end
}
break;
default:
break;
}
return Acad::eOk;
}
Acad::ErrorStatus
rx_makeArc(const AcGePoint3d pt1,
const AcGePoint3d pt2,
double bulge,
const AcGeVector3d entNorm,
AcGeCircArc3d& arc)
{
Acad::ErrorStatus es = Acad::eOk;
// The points that are coming in are in ECS. These are actually
// 2d points, may be with an elevation in the z coord.
//
// Therefore, let's create a 2d arc from these values and transform
// the relevant data of the arc for creating a 3d arc.
AcGeCircArc2d arc2d;
AcGePoint2d p1, p2;
assert(fabs(pt1[Z] - pt2[Z]) < 1.0e-10);
p1.set(pt1[X], pt1[Y]); p2.set(pt2[X], pt2[Y]);
arc2d.set(p1, p2, bulge);
AcGePoint3d center((arc2d.center())[X], (arc2d.center())[Y], pt1[Z]);
AcGePoint3d startPnt((arc2d.startPoint())[X],
(arc2d.startPoint())[Y], pt1[Z]);
AcGePoint3d endPnt((arc2d.endPoint())[X], (arc2d.endPoint())[Y], pt1[Z]);
// If the arc is CW, flip the normal.
AcGeVector3d norm;
if (arc2d.startAng() > arc2d.endAng()) {
norm.set(0, 0, -1);
} else {
norm.set(0, 0, 1);
}
double incAng = fabs(arc2d.endAng() - arc2d.startAng());
// Transform all the data to WCS.
acdbEcs2Wcs(asDblArray(center), asDblArray(center), asDblArray(entNorm),
Adesk::kFalse);
acdbEcs2Wcs(asDblArray(startPnt), asDblArray(startPnt), asDblArray(entNorm),
Adesk::kFalse);
acdbEcs2Wcs(asDblArray(endPnt), asDblArray(endPnt), asDblArray(entNorm),
Adesk::kFalse);
acdbEcs2Wcs(asDblArray(norm), asDblArray(norm), asDblArray(entNorm),
Adesk::kTrue);
arc.set(center, norm, norm.perpVector(),
(startPnt - center).length(), 0, incAng);
return es;
}
AcDbIntArray & geomIds) const
#else
Acad::ErrorStatus PDEcone::getOsnapPoints(
AcDb::OsnapMode osnapMode,
int gsSelectionMark,
const AcGePoint3d& pickPoint,
const AcGePoint3d& lastPoint,
const AcGeMatrix3d& viewXform,
AcGePoint3dArray& snapPoints,
AcDbIntArray& geomIds) const
#endif
{
assertReadEnabled();
if(!hasSnap())
return Acad::eOk;
int gsSelectionMark_int = (int)gsSelectionMark;
if(gsSelectionMark_int == 0)
return Acad::eOk;
AcGePoint3dArray pArray;
AcGeIntArray stdIdx;
int actPrecision;
getVertices(m_dDividPrecision, pArray, stdIdx, actPrecision);
int actPrecision__1 = actPrecision + 1;
int stdIdxLen = stdIdx.length();
int stdIdxLen_1 = stdIdxLen - 1;
int stdIdxLen____2 = stdIdxLen / 2;
AcGeVector3d viewDir(viewXform(Z, 0), viewXform(Z, 1),
viewXform(Z, 2));
AcGeVector3d vect = getFaceVect();
int i;
switch(osnapMode)
{
case AcDb::kOsModeEnd:
snapPoints.append(m_ptStart);
snapPoints.append(m_ptEnd);
for(i = 0; i < stdIdxLen_1; ++i)
{
snapPoints.append(pArray[stdIdx[i]]);
snapPoints.append(pArray[stdIdx[i] + actPrecision__1]);
}
break;
case AcDb::kOsModeMid:
snapPoints.append(m_ptStart + (m_ptEnd - m_ptStart) / 2.0);
for(i = 0; i < stdIdxLen_1; ++i)
snapPoints.append(pArray[stdIdx[i]] +
(pArray[stdIdx[i] + actPrecision__1] - pArray[stdIdx[i]]) / 2.0);
break;
case AcDb::kOsModeCen:
if(gsSelectionMark_int == 1)
snapPoints.append(m_ptStart);
else if(gsSelectionMark_int == 2)
snapPoints.append(m_ptEnd);
else
snapPoints.append(m_ptStart + (m_ptEnd - m_ptStart) / 2.0);
break;
case AcDb::kOsModeQuad:
for(i = 0; i < stdIdxLen____2; i++)
{
snapPoints.append(pArray[stdIdx[i * 2]]);
snapPoints.append(pArray[stdIdx[i * 2] + actPrecision__1]);
}
break;
case AcDb::kOsModeNode:
break;
case AcDb::kOsModeIns:
snapPoints.append(m_ptStart);
break;
case AcDb::kOsModePerp:
{
AcGeLine3d line;
AcGeVector3d vec;
AcGePoint3d pt;
if(gsSelectionMark_int == 1)
{
AcGeCircArc3d cir(m_ptStart, vect, m_dDiameter1 / 2.0);
pt = cir.closestPointTo(lastPoint);
snapPoints.append(pt);
}
else if(gsSelectionMark_int == 2)
{
AcGeCircArc3d cir(m_ptEnd, vect, m_dDiameter2 / 2.0);
pt = cir.closestPointTo(lastPoint);
snapPoints.append(pt);
}
//重新定义对象垂直正交点的捕捉方式，同时满足实体模型和线框模型的捕捉
//modified by szw 2009.11.18 : begin
else if(gsSelectionMark_int == 3)
{
for(int i = 0; i < stdIdxLen - 1; ++i)
{
vec = pArray[stdIdx[i]] - pArray[stdIdx[i] + actPrecision__1];
line.set(pArray[stdIdx[i]], vec);
pt = line.closestPointTo(lastPoint);
snapPoints.append(pt);
}
}
//modified by szw 2009.11.18 : end
}
break;
case AcDb::kOsModeTan:
break;
case AcDb::kOsModeNear:
{
AcGePoint3d pt;
AcGeCircArc3d cir;
//下底面
if(gsSelectionMark_int == 1)
{
cir.set(m_ptStart, vect, m_dDiameter1 / 2.0);
pt = cir.projClosestPointTo(pickPoint, viewDir);
snapPoints.append(pt);
}
//上底面
else if(gsSelectionMark_int == 2)
{
cir.set(m_ptEnd, vect, m_dDiameter2 / 2.0);
pt = cir.projClosestPointTo(pickPoint, viewDir);
snapPoints.append(pt);
}
//棱边
//重新定义对象垂直正交点的捕捉方式，同时满足实体模型和线框模型的捕捉
//modified by szw 2009.11.18 : begin
else if(gsSelectionMark_int == 3)
{
AcGeLineSeg3d lnsg;
AcGePoint3d p1,p2;
for(int i = 0; i < stdIdxLen - 1; ++i)
{
p1 = pArray[stdIdx[i]];
p2 = pArray[stdIdx[i] + actPrecision__1];
lnsg.set(p1, p2);
// lnsg.set(pArray[stdIdx[i]], pArray[stdIdx[i] + actPrecision__1]);
pt = lnsg.projClosestPointTo(pickPoint, viewDir);
snapPoints.append(pt);
}
}
//modified by szw 2009.11.18 : end
}
break;
default:
break;
}
return Acad::eOk;
}
