Scanlab RTC6 PCIe Board - Mark_Ellipse_Rel

RTC6 boards
Doc. Rev. 1.0.21 en-US
10 RTC6 Commands
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Normal List
Command
mark_ellipse_rel
Function Moves the laser focus at mark speed along an elliptical arc around the specified midpoint
(relative coordinate values) within a 2D Image Field.
Call mark_ellipse_rel( dX, dY, Alpha )
Parameters dX Relative x coordinate of the ellipse midpoint. In bits.
As a signed 32-bit value.
Allowed value range: [–268,435,456…+268,435,455].
Out-of-range values are clipped to the boundary values.
dY Like dX (analogously).
Alpha Angle between elliptical half-axis a (defined by set_ellipse) and the x axis (see
mark_ellipse_abs). In degrees.
As a 64-bit IEEE floating point value.
Comments • The coordinates for the ellipse midpoint are to be specified as relative coordinates with
respect to the current position. Otherwise, mark_ellipse_rel is identical to
mark_ellipse_abs (see comments there).
RTC4RTC6 New command.
In RTC4 Compatibility Mode, the RTC6 multiplies the specified values for dX and dY by 16.
The allowed value range decreases accordingly.
RTC5RTC6 Unchanged functionality. In addition: increased value range.
Version info Available as of DLL 600, OUT 600, RBF 600.
References mark_ellipse_abs, set_ellipse