MVG Nodes

MVG Nodes can be created in CGI Studio SceneComposer via the Toolbox. Simply drag and drop the desired MVG Node into the Scene Editor or Scene Tree Panel.

The following MVG Nodes are available:

MVG Arc Node
MVG Ellipse Node
MVG Path Node
MVG Rect Node

You can see an application of MVG nodes in Scene Composer's 2D Basic sample.

Configure MVG Nodes

An MVG node is a RenderNode2D and therefore it has the same properties that can be configured in the properties panel:

General. Name, Full Name, Description...
2D Render Node: Render Order Rank...
Transformation: Position, Pivot Point, Pivot Offset...
Asset: Id, Symbolic Name...
Item: Scope Mask, Alpha Value...
Layout: Vertical Alignment, Horizontal Alignment, Size...

Further details like the visual appearance of MVG nodes can be configured in the node's effect. Each type of MVG node has its appropriate effect:

MVG Node	MVG Brush
MVG Arc Node	MVGArcBrush
MVG Ellipse Node	MVGEllipseBrush
MVG Path Node	MVGPathBrush
MVG Rect Node	MVGRectBrush

Select the MVG Node in the Scene Tree and select the attached MVG effect in the right side of the Scene Tree to view its properties in the properties panel.

MVG Arc Node - MVGArcBrush

Can be used to render an arc.

The properties of the MVG Arc Node are those of a regular RenderNode2D. For the attached effect MVGArcBrush, the following properties can be configured:

Filter	Filter for rendering (choose between BilinearFilter and NearestFilter).
Line Width	Width of the rendered line in pixels.
Stroke Color	Color of the rendered line.
Size	Vertical (X) and horizontal (Y) size of the arc to be rendered.
Angle Start	The angle of the arc's starting point.
Angle End	The angle of the arc's end point.

The arcs starting and end point have to be entered in degrees. Please also see the sketch below.

MVG Ellipse Node - MVGEllipseBrush

Can be used to render an ellipse.

The properties of the MVG Ellipse Node are those of a regular RenderNode2dD. For the attached effect MVGEllipseBrush, the following properties can be configured:

Filter	Filter for rendering (choose between BilinearFilter and NearestFilter).
Line Width	Width of the rendered line in pixels.
Stroke Color	Color of the rendered line.
Size	Vertical (X) and horizontal (Y) size of the arc to be rendered.
Angle Start	The angle of the ellipse's starting point.
Angle End	The angle of the ellipse's end point.
FillColor	Fill color of the ellipse.
PaintMode	Configures if the ellipse will be rendered with outline and filling or with either of those (choose between Both, Fill and Stroke).

MVG Path Node - MVGPathBrush

Can be used to render paths with a combination of instructions.

The properties of the MVG Path Node are those of a regular RenderNode2dD. For the attached effect MVGPathBrush, the following properties can be configured:

Filter

Filter for rendering (choose between BilinearFilter and NearestFilter).

LineWidth

Width of the rendered line in pixels.

Stroke Color

Color of the rendered line.

FillColor

Fill color of the path.

PaintMode

Configures if the path will be rendered with outline and filling or with either of those (choose between Both, Fill and Stroke).

Segments

Defines segments.

Input value	VGPathSegment	number of Data	Description
0	ClosePath	0	Closing a path by connecting a final coordinate to a start coordinate. Therefore, the required number of Data is 0.
2	MoveTo	2	Specify coordinates of a path starting point. Therefore, the required number of Data is two (x0, y0).
4	LineTo	2	Draws a straight line. Specify an end point coordinates. Therefore, the required number of Data is two (x0, y0). A straight line is drawn from a coordinates specified in the previous Segment to a coordinates specified in this Segment.
6	HLineTo	1	Draws a horizontal line. The required number of Data is only one (x0).
8	VLineTo	1	Draws a vertical line. The required number of Data is only one (y0).
10	QuadTo	4	Draws a quadratic Bezier curve. Specify a coordinates of a control point and an end point. Therefore, the required number of Data is 4 (x0, y0, x1, y1). Please refer the below image as an example.
12	CubicTo	6	Draws a cubic Bezier curve. Specify coordinates of two control points and an end point. Therefore, the required number of Data is 6 (x0, y0, x1, y1, x2, y2). Please refer the below image as an example.

Data

Defines Data according to the specified Segment.

MVG Rect Node - MVGRectBrush

Can be used to render a rect.

The properties of the MVG Rect Node are those of a regular RenderNode2dD. For the attached MVGRectBrush, the following properties can be configured:

Filter	Filter for rendering (choose between BilinearFilter and NearestFilter).
LineWidth	Width of the rendered line in pixels.
Stroke Color	Color of the rendered line.
Size	Vertical (X) and horizontal (Y) size of the arc to be rendered
TopLeftRadius	Radius of the top left corner.
TopRightRadius	Radius of the top right corner.
BottomLeftRadius	Radius of the bottom left corner.
BottomRightRadius	Radius of the bottom right corner.
FillColor	Fill color of the path.
PaintMode	Configures if the rectangle will be rendered with outline and filling or with either of those (choose between Both, Fill and Stroke).

Revision #9
Created 2023-06-02 12:50:03 UTC by Elisabeth Zauner
Updated 2025-10-03 05:08:31 UTC by Elisabeth Zauner