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Circle command explained?

Former Member

The CIRCLE command (as usable in an ULP) has the structure

 

CIRCLE (X Y) (A B)

 

X and Y are clear. The rest is not clear to me from the help file.

Either A or B seem to function as the Radius, so (0 10) or (10 0) look

to be the same. (5 10) gives some value in between. There seems to be no

influence on the Width of the circle drawn.

 

Why do we have both parameters A and B?

 

Regards, Robert

 

  • Robert schrieb:

     

    The CIRCLE command (as usable in an ULP) has the structure

     

    ...probably you mean SCRIPT...

     

    CIRCLE (X Y) (A B)

     

    X and Y are clear. The rest is not clear to me from the help file.

    Either A or B seem to function as the Radius, so (0 10) or (10 0) look

    to be the same. (5 10) gives some value in between. There seems to be no

    influence on the Width of the circle drawn.

     

    Why do we have both parameters A and B?

     

    That aren't parameters resp. values, it's a /coordinate/ on the circle.

     

    The two coordinates for the circle command are the center and any

    position on its diameter.

     

    Tilmann

     

  • in reply to Former Member

    On 08/28/2012 09:19 AM, Tilmann Reh wrote:

    The two coordinates for the circle command are the center and any

    position on its diameter.

     

    ... on its circumference.

     

    >> CIRCLE (X Y) (A B)

    >>

    >> X and Y are clear. The rest is not clear to me from the help file.

    >> Either A or B seem to function as the Radius, so (0 10) or (10 0) look

    >> to be the same. (5 10) gives some value in between. There seems to be no

     

    CIRCLE (0 10) (10 0)

     

    will generate a circle centered on (0 10) with a radius of 14.14.

     

     

  • in reply to dukepro

    On 28/08/2012 15:34, Chuck Huber wrote:

    On 08/28/2012 09:19 AM, Tilmann Reh wrote:

    >> The two coordinates for the circle command are the center and any

    >> position on its diameter.

     

    ... on its circumference.

     

    >>> CIRCLE (X Y) (A B)

    >>>

    >>> X and Y are clear. The rest is not clear to me from the help file.

    >>> Either A or B seem to function as the Radius, so (0 10) or (10 0) look

    >>> to be the same. (5 10) gives some value in between. There seems to be no

     

    CIRCLE (0 10) (10 0)

     

    will generate a circle centered on (0 10) with a radius of 14.14.

     

     

    Thanks for the explanation.

     

    Robert