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<HTML
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><P
> (PHP4 >= 4.0RC2)</P
>swf_polarview --
Define the viewer's position with polar coordinates
</DIV
><DIV
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><H2
>Description</H2
><DIV
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><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void
<B
CLASS="function"
>swf_polarview</B
>
</CODE
> (double
dist, double
azimuth, double
incidence, double
twist)</CODE
></P
><P
></P
></DIV
><P
> The <B
CLASS="function"
>swf_polarview()</B
> function defines the
viewer's position in polar coordinates. The
<TT
CLASS="parameter"
><I
>dist</I
></TT
> parameter gives the distance between
the viewpoint to the world space origin. The
<TT
CLASS="parameter"
><I
>azimuth</I
></TT
> parameter defines the azimuthal
angle in the x,y coordinate plane, measured in distance from the
y axis. The <TT
CLASS="parameter"
><I
>incidence</I
></TT
> parameter defines
the angle of incidence in the y,z plane, measured in distance
from the z axis. The incidence angle is defined as the angle of
the viewport relative to the z axis. Finally the
<TT
CLASS="parameter"
><I
>twist</I
></TT
> specifies the amount that the
viewpoint is to be rotated about the line of sight using the
right hand rule.
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