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Action:
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Returns the list annotation entities attached to the given entity via an annotation attribute.
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Filename:
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kern/kern_scm/anno_scm.cxx
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Syntax:
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(entity:annotation entity)
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Arg Types:
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entity
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entity
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Returns:
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(entity ...)
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Description:
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Returns the list annotation entities attached to the given entity via an annotation attribute. If there is only one annotation attached, it is returned directly without a list.
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The option for "annotation" should be turned on (#t) in order for the annotations to be created during a sweep or blend operation. Likewise, the option for "unhook_annotations" should be turned off (#f) in order to view the annotations after the operation; otherwise they are automatically removed.
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entity specifies an entity.
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Example:
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; entity:annotations
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; Turn on annotation options
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(option:set "annotation" #t)
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;; #f
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(option:set "unhook_annotations" #f)
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;; #t
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; Create a sweep path from a wire body of edges.
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(define path1 (wire-body (list
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(edge:linear (position 0 0 0) (position 0 20 0))
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(edge:ellipse (position 10 20 0)
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(gvector 0 0 -1) (gvector -10 0 0) 1 0 90)
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(edge:linear (position 10 30 0)
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(position 20 30 0)))))
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;; path1
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; Sweep the edges into a face body.
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(define a-body (sweep:law
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(edge:linear (position 0 3 3) (position 0 3 -3))
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(edge:linear (position 0 3 -3)
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(position 0 -3 -3))))
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;; a-body
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; Create the profile to use in sweeping
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(define profile1 (car
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(entity:faces (sheet:2d a-body))))
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;; profile1
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; Sweep the profile along the path.
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(define sweep1 (sweep:law profile1 path1))
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;; sweep1
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(entity:set-color path1 2)
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;; ()
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(entity:set-color profile1 3)
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;; ()
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(iso)
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;; #[view 10814340]
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(zoom-all)
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;; #[view 10814340]
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; Create some lists for verification purposes.
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(define in-prof-edges (entity:edges profile1))
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;; in-prof-edges
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(define out-sw-faces (entity:faces sweep1))
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;; out-sw-faces
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(define out-sw-edges (entity:edges sweep1))
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;; out-sw-edges
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; Check the annotations attached to items.
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; Create a list of annotations associated with an
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; edge of the swept body.
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(define anno1 (entity:annotations
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(list-ref out-sw-edges 2)))
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;; anno1
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; Create a list of annotations that are inputs to the
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; sweep operation.
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(define anno-input1 (annotation:inputs
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(list-ref anno1 0)))
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(annotation:inputs (list-ref anno1 0)))
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;; anno-input1
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; anno-input1 => (#[entity 94 1] #[entity 95 1])
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; See what the annotation names are for a given
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; input annotation.
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(entity:annotation-names (list-ref anno-input1 0))
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;; ("mid_top_vertex" "profile" "profile" "profile")
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(entity:annotation-names (list-ref anno-input1 1))
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;; ("path" "path" "path" "path" "path" "path" "path"
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;; "path" "path" "path" "path" "path" "path" "path"
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;; "path" "path")
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; Create a second list of annotations from the first
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; swept face.
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(define anno2 (entity:annotations
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(list-ref out-sw-faces 0)))
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;; anno2
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; See what the annotation names are for the
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; annotation attached to the first swept face.
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(annotation:member-name (list-ref anno2 0)
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(list-ref out-sw-faces 0))
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;; "lateral_face"
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; Create a list of annotations just from one of the
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; input profile edges. There are four profile edges.
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(define anno3 (entity:annotations
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(list-ref in-prof-edges 0)))
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;; anno3
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(annotation:member-name (list-ref anno3 0)
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(list-ref in-prof-edges 0))
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;; "profile"
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(annotation:member-name (list-ref anno3 8)
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(list-ref in-prof-edges 0))
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;; "top-edge"
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; Create a list of annotations that are inputs to
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; the sweep operation.
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(define anno-input1
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(annotation:inputs (list-ref anno1 0)))
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;; anno-input1
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; See what the annotation names are for a given
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; input annotation.
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(entity:annotation-names (list-ref anno-input1 0))
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;; ("mid_top_vertex" "profile" "profile" "profile")
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(entity:annotation-names (list-ref anno-input1 1))
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;; ("path" "path" "path" "path" "path" "path" "path"
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;; "path" "path" "path" "path" "path" "path" "path"
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;; "path" "path")
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; Create a second list of annotations from the first
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; swept face.
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(define anno2 (entity:annotations
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(list-ref out-sw-faces 0)))
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;; anno2
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; See what the annotation names are for the
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; annotation attached to the first swept face.
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(annotation:member-name (list-ref anno2 0)
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(list-ref out-sw-faces 0))
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;; "lateral_face"
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; Create a list of annotations just from one of the
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; input profile edges. There are four profile edges.
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(define anno3 (entity:annotations
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(list-ref in-prof-edges 0)))
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;; anno3
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(annotation:member-name (list-ref anno3 0)
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(list-ref in-prof-edges 0))
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;; "profile"
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(annotation:member-name (list-ref anno3 8)
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(list-ref in-prof-edges 0))
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;; "top-edge
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