Created
January 30, 2019 00:23
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import rhinoscriptsyntax as rs | |
import scriptcontext as sc | |
import Rhino | |
def SetArcDegrees(): | |
def arc_filter( rhino_object, geometry, component_index): | |
return geometry.IsArc() | |
looped = False | |
while True: | |
angDeg = 15 | |
if sc.sticky.has_key('ARC_EX_ANGLE'): | |
angDeg = sc.sticky['ARC_EX_ANGLE'] | |
go = Rhino.Input.Custom.GetObject() | |
strMessage = "Pick the flip of the arc to move." | |
if looped: strMessage = "Pick the flip of the arc to move. Press enter to finish." | |
go.SetCommandPrompt(strMessage) | |
go.GeometryFilter = Rhino.DocObjects.ObjectType.Curve | |
go.SetCustomGeometryFilter(arc_filter) | |
opAngDeg = Rhino.Input.Custom.OptionDouble(angDeg) | |
go.AddOptionDouble("AngleDegrees", opAngDeg) | |
go.AcceptNumber(True, False) | |
go.EnablePreSelect(False, True) | |
rc = go.Get() | |
if go.CommandResult() != Rhino.Commands.Result.Success: | |
return go.CommandResult() | |
if rc == Rhino.Input.GetResult.Option: | |
angDeg = opAngDeg.CurrentValue | |
if angDeg > 360 or angDeg == 0: continue | |
sc.sticky['ARC_EX_ANGLE'] = angDeg | |
continue | |
if rc == Rhino.Input.GetResult.Number: | |
angDeg = go.Number() | |
if angDeg > 360 or angDeg == 0: continue | |
sc.sticky['ARC_EX_ANGLE'] = angDeg | |
continue | |
if rc == Rhino.Input.GetResult.Object: | |
objref = go.Object(0) | |
geo = objref.Geometry() | |
selPt = objref.SelectionPoint() | |
p_rc, par = geo.ClosestPoint(selPt) | |
flip = False | |
if p_rc: | |
if par>= geo.Domain.Mid: | |
flip = True | |
print geo.Reverse() | |
a_rc, arc = geo.TryGetArc() | |
crntSweep = arc.AngleDomain | |
radius = arc.Radius | |
rads = Rhino.RhinoMath.ToRadians(abs(angDeg)) | |
if flip: | |
#print 'flip' | |
if angDeg > 0: | |
sweep = Rhino.Geometry.Interval(crntSweep.Max - rads, crntSweep.Max) | |
else: | |
sweep = Rhino.Geometry.Interval( crntSweep.Max , crntSweep.Max + rads) | |
else: | |
#print 'start' | |
if angDeg > 0: | |
sweep = Rhino.Geometry.Interval(crntSweep.Max - rads, crntSweep.Max ) | |
else: | |
sweep = Rhino.Geometry.Interval(crntSweep.Max, crntSweep.Max+ rads ) | |
flip = True | |
arc.AngleDomain = sweep | |
if flip: arc.Reverse() | |
if arc.IsValid: | |
arcCrv = Rhino.Geometry.ArcCurve(arc) | |
sc.doc.Objects.Replace(objref, arcCrv) | |
print "Arc angle set to " + str(round(angDeg, 3)) | |
looped = True | |
sc.doc.Views.Redraw() | |
continue | |
if __name__ == '__main__':SetArcDegrees() | |
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