Geometry Inquiries
- Structures:
-
sd-am-geo-attributes-struct
sd-am-line-struct
sd-am-arc-struct
sd-am-circle-struct
sd-am-bspline-struct
sd-am-constr-line-struct
sd-am-constr-circle-struct
- Predicates:
-
sd-am-geometry-p
sd-am-construction-geometry-p
- Inquiries:
- sd-am-inq-curr-geometry-attributes
sd-am-inq-geometry-attributes
sd-am-inq-specific-geo-props
Linetype
The line type definition for 2D geometry. Must be one of the following
keywords:
- :SOLID
- :DOTTED
- :DASHED
- :LONG_DASHED
- :DOT_CENTER
- :DASH_CENTER
- :CENTER_DASH_DASH
- :PHANTOM
SD-AM-GEO-ATTRIBUTES-STRUCT [structure]
(sd-am-geo-attributes-struct-p sd-am-geo-attributes-struct)
(sd-am-geo-attributes-struct-color sd-am-geo-attributes-struct)
(sd-am-geo-attributes-struct-linetype sd-am-geo-attributes-struct)
- Description:
-
A Lisp structure containing generic geometry attributes.
- Slots:
- color {GPNT3D} - R,G,B color vector.
-
linetype {SYMBOL} - geometry linetype.
- See Also:
- SD-AM-INQ-CURR-GEOMETRY-ATTRIBUTES [function]
SD-AM-LINE-STRUCT [structure]
(sd-am-line-struct-p sd-am-line-struct)
(sd-am-line-struct-start-pnt sd-am-line-struct)
(sd-am-line-struct-end-pnt sd-am-line-struct)
- Description:
-
A Lisp structure containing specific line data.
- Slots:
- start-pnt {GPNT2D} - Coordinates of the line start point.
-
end-pnt {GPNT2D} - Coordinates of the line end point.
- See Also:
- SD-AM-INQ-SPECIFIC-GEO-PROPS [function]
SD-AM-ARC-STRUCT [structure]
(sd-am-arc-struct-p sd-am-arc-struct)
(sd-am-arc-struct-center sd-am-arc-struct)
(sd-am-arc-struct-start-ang sd-am-arc-struct)
(sd-am-arc-struct-end-ang sd-am-arc-struct)
(sd-am-arc-struct-start-pnt sd-am-arc-struct)
(sd-am-arc-struct-end-pnt sd-am-arc-struct)
(sd-am-arc-struct-radius sd-am-arc-struct)
- Description:
-
A Lisp structure containing specific arc data.
- Slots:
- center {GPNT2D} - Coordinates of the arc's center.
- start-ang {LONG-FLOAT} - The start angle of the arc.
- end-ang {LONG-FLOAT} - The end angle of the arc.
- start-pnt {GPNT2D} - The start point of the arc.
- end-pnt {GPNT2D} The end point of the arc.
-
radius {LONG-FLOAT} - The radius of the arc in system units.
- See Also:
- SD-AM-INQ-SPECIFIC-GEO-PROPS [function]
SD-AM-CIRCLE-STRUCT [structure]
(sd-am-circle-struct-p sd-am-circle-struct)
(sd-am-circle-struct-center sd-am-circle-struct)
(sd-am-circle-struct-per-pnt sd-am-circle-struct)
(sd-am-circle-struct-radius sd-am-circle-struct)
- Description:
-
A Lisp structure containing specific circle data.
- Slots:
- center {GPNT2D} - Coordinates of the circle's center.
- per-pnt {GPNT2D} - A peripheral circle point.
-
radius {LONG-FLOAT} - The radius of the circle in system units.
- See Also:
- SD-AM-INQ-SPECIFIC-GEO-PROPS [function]
SD-AM-BSPLINE-STRUCT [structure]
(sd-am-bspline-struct-p sd-am-bspline-struct)
(sd-am-bspline-struct-start-pnt sd-am-bspline-struct)
(sd-am-bspline-struct-end-pnt sd-am-bspline-struct)
(sd-am-bspline-struct-order sd-am-bspline-struct)
(sd-am-bspline-struct-length sd-am-bspline-struct)
(sd-am-bspline-struct-num-ctrl-pnts sd-am-bspline-struct)
(sd-am-bspline-struct-num-int-pnts sd-am-bspline-struct)
(sd-am-bspline-struct-num-knots sd-am-bspline-struct)
(sd-am-bspline-struct-ctrl-pnts sd-am-bspline-struct)
(sd-am-bspline-struct-int-pnts sd-am-bspline-struct)
(sd-am-bspline-struct-knots sd-am-bspline-struct)
(sd-am-bspline-struct-closed-flag sd-am-bspline-struct)
- Description:
-
A Lisp structure containing specific bspline data.
- Slots:
- start-pnt {GPNT2D} - Coordinates of the bspline start
point.
- end-pnt {GPNT2D} - Coordinates of the bspline end point.
- order {INTEGER} - The bspline order.
- length {LONG-FLOAT} - The bspline length.
- num-ctrl-pnts {INTEGER} - The number of control points.
- num-int-pnts {INTEGER} - The number of interpolation
points.
- num-knots {INTEGER} - The number of knots.
- ctrl-pnts {LIST of GPNT2Ds} - The list containing the control
points.
- int-pnts {LIST of GPNT2Ds} - The list containing the
interpolation points.
- knots {LIST of LONG-FLOATs} - The list containing the
knots.
-
closed-flag {KEYWORD} - One of the following:
- :OPEN
- :CLOSED-NONPERIODIC
- :CLOSED-PERIODIC
- See Also:
- SD-AM-INQ-SPECIFIC-GEO-PROPS [function]
SD-AM-CONSTR-LINE-STRUCT [structure]
(sd-am-constr-line-struct-p sd-am-constr-line-struct)
(sd-am-constr-line-struct-center sd-am-constr-line-struct)
(sd-am-constr-line-struct-angle sd-am-constr-line-struct)
- Description:
-
A Lisp structure containing specific construction line data.
- Slots:
- center {GPNT2D} - Coordinates of the construction line center
point.
-
angle {LONG-FLOAT} - The construction line angle with the X axis.
- See Also:
- SD-AM-INQ-SPECIFIC-GEO-PROPS [function]
SD-AM-CONSTR-CIRCLE-STRUCT [structure]
(sd-am-constr-circle-struct-p sd-am-constr-circle-struct)
(sd-am-constr-circle-struct-center sd-am-constr-circle-struct)
(sd-am-constr-circle-struct-radius sd-am-constr-circle-struct)
- Description:
-
A Lisp structure containing specific construction circle data.
- Slots:
- center {GPNT2D} - Coordinates of the circle's center.
-
radius {LONG-FLOAT} - The radius of the circle in system units.
- See Also:
- SD-AM-INQ-SPECIFIC-GEO-PROPS [function]
SD-AM-GEOMETRY-P [function]
(sd-am-geometry-p)
- Description:
-
Predicate to determine whether or not an element is a geometry element.
- Parameters:
-
element {SEL_ITEM} - The element to inquire.
- Return Value:
- t - The element is a geometry element.
- nil - The element is not a geometry element.
SD-AM-CONSTRUCTION-GEOMETRY-P [function]
(sd-am-construction-geometry-p)
- Description:
-
Predicate to determine whether or not an element is construction
geometry.
- Parameters:
-
element {SEL_ITEM} - The element to inquire.
- Return Value:
- t - The element is a construction geometry element.
- nil - The element is not a construction geometry element.
SD-AM-INQ-CURR-GEOMETRY-ATTRIBUTES [function]
(sd-am-inq-curr-geometry-attributes)
- Description:
-
Inquire the current geometry attributes.
- Parameters:
- Return Value:
- { SD-AM-GEO-ATTRIBUTES-STRUCT} - The
inquired attributes.
- nil - An error occured.
SD-AM-INQ-GEOMETRY-ATTRIBUTES [function]
(sd-am-inq-geometry-attributes item)
- Description:
-
Inquire the geometry attributes of a geometry item.
- Parameters:
-
item {SEL_ITEM} - The geometry element to inquire.
- Return Value:
- { SD-AM-GEO-ATTRIBUTES-STRUCT} - The
inquired attributes.
- nil - An error occured.
SD-AM-INQ-SPECIFIC-GEO-PROPS [function]
(sd-am-inq-specific-geo-props item)
- Description:
-
Returns specific geometric data describing a geometry item.
- Parameters:
-
item {SEL_ITEM} - The element to inquire. Element may be a
bspline, circle, arc, line or point.
- Return Value:
-
{SD-AM-XXX-STRUCT} - A specific Lisp structure describing the geometry
of the item, one of the following structures:
- SD-AM-LINE-STRUCT
- SD-AM-ARC-STRUCT
- SD-AM-CIRCLE-STRUCT
- SD-AM-BSPLINE-STRUCT
- SD-AM-CONSTR-LINE-STRUCT
- SD-AM-CONSTR-CIRCLE-STRUCT
- {GPNT2D} - The point coordinates, if item is a point.
- nil - An error occurred.
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