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xaml code :-
XML
 <helix:HelixViewport3D x:Name="viewPort3d" Visibility="Visible"  Margin="0,5,10.4,0" ZoomExtentsWhenLoaded="true" InfoBackground="{x:Null}" RenderTransformOrigin="0.5,0.507" ShowCoordinateSystem="True">
     <!--Remember to add light to the scene--> 
     <helix:DefaultLights/>
     <helix:GridLinesVisual3D Width="20" Length="20" MinorDistance="1" Thickness="0.05"/>
     <helix:MeshGeometryVisual3D>
     </helix:MeshGeometryVisual3D>
</helix:HelixViewport3D>

C# code :-

C#
// Create a new MeshGeometry3D
var mesh = new MeshGeometry3D();
// Define the points for the circle
int segments = 20;
double radius = 1;
Point3D center = new Point3D(0, 0, 0);
for (int i = 0; i <= segments; i++)
{
     double angle = (i / (double)segments) * 360;
     double x = radius * Math.Sin(angle);
     double y = radius * Math.Cos(angle);
     mesh.Positions.Add(new Point3D(x, y, 0) + new Vector3D(center.X, center.Y, center.Z));
     mesh.Normals.Add(new Vector3D(0, 0, 1));
}
// Define the triangles for the circle
for (int i = 0; i < segments; i++)
{
     mesh.TriangleIndices.Add(i);
     mesh.TriangleIndices.Add((i + 1) % segments);
     mesh.TriangleIndices.Add(segments);
}
// Create a new Model3D and add the mesh to it
var model = new GeometryModel3D { Geometry = mesh };

// Add the Model3D to the viewport
var modelVisual = new ModelVisual3D();
modelVisual.Content = model;
viewPort3d.Children.Add(modelVisual);


What I have tried:

I really want such a result this is my image:-"https://ibb.co/fkzGV3Q" but my C# code dont show any result me
Posted
Updated 27-Jan-23 23:51pm
v3

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