//using Tuple to return values
public (double gridXMin, double gridXMax, double gridYMin, double gridYMax) GridCoord()
{
Document document = Autodesk.Navisworks.Api.Application.ActiveDocument;
DocumentClash documentClash = document.GetClash();
DocumentClashTests allTests = documentClash.TestsData;
DocumentModels docModel = document.Models;
DocumentGrids docGrids = document.Grids;
GridSystem docGridSys = docGrids.ActiveSystem;
List <double> gridXCoord = new List <double>();
List <double> gridYCoord = new List <double>();
try
{
//get objects in project
foreach (Model model in docModel)
{
ModelItem root = model.RootItem as ModelItem;
string dn = root.DisplayName.ToString();
string[] disName = dn.Split('_', '-', '.', ' ');
//determine source file type by searching model file properties
foreach (PropertyCategory oPC in root.PropertyCategories)
{
if (oPC.DisplayName.ToString() == "Item")
{
foreach (DataProperty oDP in oPC.Properties)
{
if (oDP.DisplayName.ToString() == "Source File Name")
{
string val = oDP.Value.ToDisplayString();
string[] valName = val.Split('.');
//source file is RVT (Revit)
if (valName.Last() == "rvt")
{
foreach (ModelItem item in root.Children)
{
ModelItem subLayer2 = item as ModelItem;
foreach (ModelItem subLaye3 in subLayer2.Children)
{
ModelItem subLayer4 = subLaye3 as ModelItem;
foreach (ModelItem subLayer5 in subLayer4.Children)
{
ModelItem subLayer6 = subLayer5 as ModelItem;
foreach (ModelItem subLayer7 in subLayer6.Children)
{
ModelItem subLayer8 = subLayer7 as ModelItem;
foreach (ModelItem subLayer9 in subLayer8.Children)
{
//Get object center position (X,Y,Z) by setting a 3D bounding box
ModelItem subLayer10 = subLayer9 as ModelItem;
if (subLayer10 != null)
{
BoundingBox3D bbox = subLayer10.BoundingBox();
//find closest grid intersection to object center position using API
GridIntersection gridCross = docGridSys.ClosestIntersection(bbox.Center);
//Get closest grid intersection X,Y coord
gridXCoord.Add(gridCross.Position.X);
gridYCoord.Add(gridCross.Position.Y);
}
}
}
}
}
}
}
//if source file is DWG format (AutoCAD)
else if (valName.Last() == "dwg")
{
foreach (ModelItem item in root.Children)
{
ModelItem subLayer2 = item as ModelItem;
foreach (ModelItem subLayer3 in subLayer2.Children)
{
if (subLayer3 != null)
{
//Get object center position (X,Y,Z) by setting a 3D bounding box
BoundingBox3D bbox = subLayer3.BoundingBox();
//find closest grid intersection to object center position using API
GridIntersection gridCross = docGridSys.ClosestIntersection(bbox.Center);
//Get closest grid intersection X,Y coord
gridXCoord.Add(gridCross.Position.X);
gridYCoord.Add(gridCross.Position.Y);
}
}
}
}
//if file in selection tree is an NWD file
else if (disName.Last() == "nwd")
{
foreach (ModelItem item in root.Children)
{
ModelItem disfile = item as ModelItem;
string disNwd = disfile.DisplayName.ToString();
string[] disNameNwd = disNwd.Split('_', '-', '.');
foreach (PropertyCategory oPCnwd in disfile.PropertyCategories)
{
if (oPCnwd.DisplayName.ToString() == "Item")
{
foreach (DataProperty oDPnwd in oPCnwd.Properties)
{
if (oDPnwd.DisplayName.ToString() == "Source File Name")
{
string valNwd = oDPnwd.Value.ToDisplayString();
string[] valNameNwd = valNwd.Split('.');
if (valNameNwd.Last() == "rvt")
{
foreach (ModelItem itemNwd in disfile.Children)
{
ModelItem subLayer2Nwd = itemNwd as ModelItem;
foreach (ModelItem subLayer3Nwd in subLayer2Nwd.Children)
{
ModelItem subLayer4Nwd = subLayer3Nwd as ModelItem;
foreach (ModelItem subLayer5Nwd in subLayer4Nwd.Children)
{
ModelItem subLayer6Nwd = subLayer5Nwd as ModelItem;
foreach (ModelItem subLayer7Nwd in subLayer6Nwd.Children)
{
ModelItem subLayer8Nwd = subLayer7Nwd as ModelItem;
foreach (ModelItem subLayer9Nwd in subLayer8Nwd.Children)
{
if (subLayer9Nwd != null)
{
//Get object center position (X,Y,Z) by setting a 3D bounding box
BoundingBox3D bbox = subLayer9Nwd.BoundingBox();
//find closest grid intersection to object center position using API
GridIntersection gridCross = docGridSys.ClosestIntersection(bbox.Center);
gridXCoord.Add(gridCross.Position.X);
gridYCoord.Add(gridCross.Position.Y);
}
}
}
}
}
}
}
//Source file is DWG format (AutoCAD)
else if (valNameNwd.Last() == "dwg")
{
foreach (ModelItem itemNwd in disfile.Children)
{
ModelItem subLayer2Nwd = itemNwd as ModelItem;
foreach (ModelItem subLayer3Nwd in subLayer2Nwd.Children)
{
if (subLayer3Nwd != null)
{
//Get object center position (X,Y,Z) by setting a 3D bounding box
BoundingBox3D bbox = subLayer3Nwd.BoundingBox();
//find closest grid intersection to object center position using API
GridIntersection gridCross = docGridSys.ClosestIntersection(bbox.Center);
//Get closest grid intersection X,Y coord
gridXCoord.Add(gridCross.Position.X);
gridYCoord.Add(gridCross.Position.Y);
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
//store max & min values to return for scatter plot data
double gridXMin = gridXCoord.Min();
double gridXMax = gridXCoord.Max();
double gridYMin = gridYCoord.Min();
double gridYMax = gridYCoord.Max();
return(gridXMin, gridXMax, gridYMin, gridYMax);
}
catch (Exception exception)
{
MessageBox.Show("Error in Grid Coordinates Analysis!");
exception.Message.ToString();
}
return(0, 0, 0, 0);
}