getAverageElev(ObjectId idPoly, bool boolShowPoints, string strSurface)
{
double dblZ_Total = 0;
double dblZ_AVG = 0;
bool exists = false;
ObjectId idSurfaceEXIST = Surf.getSurface(strSurface, out exists);
TinSurface surfaceEXIST = (TinSurface)idSurfaceEXIST.getEnt();
if (surfaceEXIST.GetGeneralProperties().MinimumElevation <= 0.0)
{
Autodesk.AutoCAD.ApplicationServices.Core.Application.ShowAlertDialog(string.Format("Check Surface EXIST elevations: Minimum elevation: {0}", surfaceEXIST.GetGeneralProperties().MinimumElevation));
return(0);
}
using (BaseObjs._acadDoc.LockDocument())
{
if (!idPoly.isRightHand())
{
idPoly.reversePolyX();
}
idPoly.checkIfClosed();
}
Point3dCollection pntsGrid = Misc.getBldgLimitsAVG(idPoly, 20);
Point3dCollection pntsGridElev = new Point3dCollection();
foreach (Point3d pnt3d in pntsGrid)
{
try
{
double dblZ = surfaceEXIST.FindElevationAtXY(pnt3d.X, pnt3d.Y);
dblZ_Total = dblZ_Total + dblZ;
if (boolShowPoints)
{
pntsGridElev.Add(new Point3d(pnt3d.X, pnt3d.Y, dblZ));
}
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " Grading_Floor.cs: line: 115");
}
}
if (boolShowPoints)
{
uint pntNum;
using (BaseObjs._acadDoc.LockDocument())
{
foreach (Point3d pnt3d in pntsGridElev)
{
pnt3d.setPoint(out pntNum, "CPNT-ON");
}
}
}
dblZ_AVG = dblZ_Total / (pntsGrid.Count);
return(dblZ_AVG);
}
