Is there a working way for transparency by now?
found the solution. https://github.com/helix-toolkit/helix-toolkit/issues/226
If you don't like the Labels having the same colors as the axis, remove the lines
zlabel.Foreground = new SolidColorBrush(this.ZAxisColor);
also maybe think about using zlabel.FontSize instead of zlabel.HeightFactor. I like the result more ;)
"x" is string
XAxisLabel has type Color... why?
XAxisLabelProperty is registered with type BillboardTextItem.. why?
Remember, in no way the coordinate system is geometry centered. It is just a coordinate system positioned at (0,0,0).
No, it's not implemented as far as I know.
What you could do is this:
<HelixToolkit:CoordinateSystemVisual3D /><HelixToolkit:BillboardTextVisual3D Position="1.2 0 0" Text="X" />
<HelixToolkit:BillboardTextVisual3D Position="0 1.2 0" Text="Y" />
<HelixToolkit:BillboardTextVisual3D Position="0 0 1.2" Text="Z" />
Or simply write your own CoordincateSystemVisual-class. If you subclass the existing one it shouldn't be that hard.
Add a coordinate system urself, do not use the one of the helixviewport with center/center.
The one of the helixviewport is the global axis and always stays relative to the whole viewport.
Easiest way: in your xaml:
<!-- You can also add elements here in the xaml -->
<HelixToolkit:GridLinesVisual3D Width="8" Length="8" MinorDistance="1" MajorDistance="1" Thickness="0.01"/>
Sorry, no more ideas
Maybe it's the same problem I had with the TruncatedConeVisual... Because no normals where generated, it was rendered black (most of the time, sometimes they had colors)
Try create your own class like so:
public class MyEllipsoidVisual3D : EllipsoidVisual3D
protected override MeshGeometry3D Tessellate()
var builder = new MeshBuilder(true, true);
builder.AddEllipsoid(this.Center, this.RadiusX, this.RadiusY, this.RadiusZ, this.ThetaDiv, this.PhiDiv);
For circles use short TubeVisuals3D
Black sounds like you don't have a light. Default color is blue
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