ProjectToScreenCoordinates when outside FOV.

I use the following code to project a 3D point to screencoordinates. var transform = Viewport3DHelper.GetTotalTransform(Viewport); var screenPoint = transform.Transform(point3D); ...

Id #10064 | Release: None | Updated: Jul 30 at 11:26 AM by andreasschmid | Created: Jul 30 at 11:26 AM by andreasschmid

System.OutOfMemoryException in MeshBuilder.cs

Experts, How can I avoid these exceptions, even when I'm using a relatively small object/count? The box is an 8-core FX-8350 usually at 4.3GHz, with 32GB of RAM.. . Should I be trying to find a...

Id #10063 | Release: None | Updated: Jul 29 at 4:00 PM by BogusException | Created: Jul 29 at 3:59 PM by BogusException

missing transparency after 3ds import

Hi, as described in the discussion: https://helixtoolkit.codeplex.com/discussions/401840 there is no transparency after importing 3ds models. You can check this with your Source\Examples\W...

Id #10062 | Release: None | Updated: Jul 18 at 8:48 AM by glgweeke | Created: Jul 18 at 8:48 AM by glgweeke

How to draw quadrangular pyramid in helix 3D Toolkit?

Hi~ I want to draw a quadrangular pyramid in my helix project. But, I'm count not find any opensource.... If you have any examples or if the learning materials... Recommend much appreciate...

Id #10061 | Release: None | Updated: Jul 18 at 7:45 AM by ParkTaesoon | Created: Jul 18 at 7:45 AM by ParkTaesoon

How to limite camera zoom In/Out

I'm trying to visualize a mesh using Helix 3D, it works fine, the only problem i got is how to limite the HelixViewport3D camera zoom. In fact, sometimes my model disappear when i zoom in or out. ...

Id #10060 | Release: None | Updated: Jul 17 at 9:23 AM by Moez_rebai | Created: Jul 17 at 9:23 AM by Moez_rebai

Mesh3D System.OutOfMemoryException' was thrown

Hello. Sometimes i tried to add a Mesh3D to the Mesh property of a MeshVisual3D, I get this exception: 'System.OutOfMemoryException' was thrown' The code MeshGeometry3D modeltodraw =...

Id #10059 | Release: None | Updated: Jul 16 at 12:32 PM by Moez_rebai | Created: Jul 16 at 12:32 PM by Moez_rebai

ViewCube does not show for ModelUpDirection=0,0,-1

See https://helixtoolkit.codeplex.com/discussions/551078

Id #10058 | Release: None | Updated: Jul 11 at 7:43 PM by objo | Created: Jul 11 at 7:43 PM by objo

Mesh3D for MeshVisual3D throws error

Hello. Whenever I add a Mesh3D to the Mesh property of a MeshVisual3D, I get the error: {"Wrong number of normal vectors."} In the Mesh3D, there's no possibility to add those normals. So I thi...

Id #10057 | Release: None | Updated: Jul 5 at 1:57 PM by hesojam | Created: Jul 5 at 1:57 PM by hesojam

Memory leak in HelixToolkit.Wpf.SharpDX.MeshGeometryModel3D.Render()

When using instancing, and after changing the Instances property, the previously allocated instance buffer is not disposed properly before being reallocated in the Render() method. One way to fix...

Id #10056 | Release: None | Updated: Jul 4 at 1:14 PM by arnaudfaucher | Created: Jul 4 at 1:14 PM by arnaudfaucher

TubeVisual3D

Thanks for this great toolkit, I just started to use it today and encountered a challenge: Under some circumstances TubeVisual3D does not produce a tube. One I found is: var p0 = new Point3D(-2...

Id #10054 | Release: None | Updated: Jun 26 at 7:07 AM by objo | Created: Jun 14 at 12:57 PM by Pyramidex