To identify the nearest space to a specified point in an IFC model using the XBIM library in C#, you can follow these steps:
using Xbim.Ifc;
using Xbim.ModelGeometry.Scene;
// Load the IFC model
var model = IfcStore.Open("sample.ifc");
// Create a scene builder to get the geometric representation of the model
var builder = new XbimModelGeometry(model);
// Generate the geometry for the spaces in the model
var spacesGeom = builder.GenerateGeometry(model.Instances.OfType<IfcSpace>());
using Xbim.Common.Geometry;
// Define the specified point coordinates
var point = new XbimPoint3D(10, 5, 3);
// Calculate the distance between the point and each space in the model
var spaceDistances = spacesGeom.Select(s => new {
Space = s.Product,
Distance = s.Geometry.Distance(point)
}).ToList();
// Sort the list of distances in ascending order
var nearest = spaceDistances.OrderBy(sd => sd.Distance).FirstOrDefault();
// Get the name of the nearest space
var nearestSpaceName = nearest?.Space?.Name;
The nearestSpaceName
variable will contain the name of the nearest space to the specified point in the IFC model.
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Asked: 2023-05-17 07:08:08 +0000
Seen: 11 times
Last updated: May 17 '23
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