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Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

IG::SymbolsPlane Class

The functionality described in this article is not available in the Community SDK edition.
You should upgrade to Sim SDK edition to use it.
Header: #include <UnigineIG.h>

This class represents the IG Symbols Plane interface. A symbol surface (plane) is a rectangular, two-dimensional drawing region on a virtual plane on which symbols may be drawn. Such plane is placed in 3D space relative to a particular entity or coincident with the near clipping plane of a particular view.

IG plugin must be loaded.

SymbolsPlane Class


int getID ( ) #

Returns the plane identifier.

Return value

Identifier of the plane.

void addSymbol ( Symbol * symbol ) #

Adds the specified symbol to the plane.


  • Symbol * symbol - ID of the symbol.

void setBillboard ( bool enable, bool fixed_scale ) #

Toggles on and off the plane orientation to the viewer and fixing the plane size regardless of the distance to it.


  • bool enable - 1 to make the plane a billboard (always oriented to the viewer), 0 to disable orientation to the viewer.
  • bool fixed_scale - 1 to make the billboard size unchanged regardless of its distance from the viewer, 0 — to disable.

bool isBillboard ( ) #

Checks if a node is a billboard (always oriented to the viewer).

Return value

1 if a node is a billboard, otherwise 0.

bool isFixedBillboardScale ( ) #

Checks if the billboard size is fixed relative to the viewer regardless of the distance.

Return value

1 if the billboard scale is fixed, otherwise 0.

void setPosition ( const vec3 & value ) #

Sets the plane position relative to the entity, if the plane has a parent entity.


  • const vec3 & value - Position in the coordinate system of a parent entity.

void setRotation ( const quat & rotate ) #

Sets the plane rotation relative to the parent entity. The method is not applicable to billboards.


  • const quat & rotate - Rotation quaternion for the plane

void setPhysicalSize ( float width, float height ) #

Sets the plane size for planes that have a parent entity.


  • float width
  • float height

void setUVSize ( float minU, float minV, float maxU, float maxV ) #

Sets the symbol surface 2D coordinate system.


  • float minU - Minimum U value of the symbol surface.
  • float minV - Minimum V value of the symbol surface.
  • float maxU - Maximum U value of the symbol surface.
  • float maxV - Maximum V value of the symbol surface.

void setScreenSize ( float width, float height, float offsetX, float offsetY ) #

Sets the screen plane resolution and offset in pixels.


  • float width - Width of the screen plane, in pixels.
  • float height - Height of the screen plane, in pixels.
  • float offsetX - Horizontal offset of the screen plane.
  • float offsetY - Vertical offset of the screen plane.
Last update: 2020-07-31
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