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我在做布局视口时采用多边形作边界.我看CAD本身都把多边形都附有永久的反应器.
我用下面的代码怎么就加不起永久反应器
AcDbViewport *pViewport = new AcDbViewport();
pViewport->setHeight(height);
pViewport->setWidth(width);
pViewport->setViewCenter(AcGePoint2d(rotatemodelcenterpt.x,rotatemodelcenterpt.y));
pViewport->setTwistAngle(twistangle);
pViewport->setLensLength(50.0);
pViewport->setCustomScale(scale);
pViewport->setViewHeight(height*scale);
pViewport->setViewDirection(AcGeVector3d(0,0,1));
pViewport->setNonRectClipEntityId(trimobjectid);
pViewport->setNonRectClipOn();
//acedAlert("3");
// 将新的布局对象添加到图纸空间块表记录中
AcDbObjectId viewportId;
pBlkTblRcd->appendAcDbEntity(viewportId, pViewport);
//pViewport->downgradeOpen();
pViewport->setOn();
pViewport->upgradeOpen();
pViewport->setTransparent();
pViewport->close();
pBlkTblRcd->close();
AcDbEntity *pEnt;
Acad::ErrorStatus esadddrecactor;
esadddrecactor = acdbOpenAcDbEntity(pEnt, entId, AcDb::kForWrite);
if (esadddrecactor == Acad::eOk)
{
pEnt->addPersistentReactor(viewportId);
pEnt->close();
}
红色代码段怎么不起作用,
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置顶卡
