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GiD_OpenGL register|unregister|registercondition|unregistercondition|draw|drawtext|project|unproject|get|doscrzoffset|drawentity|pgfont
This command is a Tcl wrapper of some OpenGL functions. It allows to use OpenGL commands directly from GiD-Tcl.
For example, for C/C++ is used:

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  • pgfont pushfont <font_type>

    Push sets the current OpenGL font and add to stack.
    font types: DefaultFont, AxisFont, LegendFont, LabelFont, GraphFont, AsianFont, TkdrawoglFont, PmFont

  • pgfont popfont

Restores the previous font and remove from stack. Commands push/pop must be called always paired

  • pgfont print <text>

To draw a <text> in the current 3D location (set by GiD_OpenGL draw -rasterpos [list $x $y $z]). It is similar to GiD_OpenGL drawtext

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Code Block
proc GetApproximateFactorPixelToWorld { } {
    lassign [GiD_Project view clip_planes_x] left_ortho right_ortho
    lassign [GidUtils::GetMainDrawAreaSize] w h
    set factor [expr double($right_ortho-$left_ortho)/$w]
    return $factor
}

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}
  • pgfont foreground <red> <green> <blue> <alpha>
  • pgfont background <red> <green> <blue> <alpha>

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