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Alpha implementation of lattice2 Roll Orient Mode #73

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Alpha implementation of lattice2 Roll Orient Mode #73

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28563b6
Alpha implementation of roll-type lattice
May 29, 2023
3b0a3ed
Fixed involute array centering for arbitrary arc angles
Jun 1, 2023
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11 changes: 8 additions & 3 deletions lattice2PolarArray2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ def derivedInit(self,selfobj):
selfobj.UseArcRange = ['ignore', 'as Span', 'as Step']
selfobj.addProperty('App::PropertyBool', 'UseArcRadius', "Polar Array", "If True, and attachment mode is concentric, supporting arc's radius is used as array radius.")
selfobj.addProperty('App::PropertyEnumeration','OrientMode',"Polar Array","Orientation of placements. Zero - aligns with origin. Static - aligns with self placement.")
selfobj.OrientMode = ['Zero', 'Static', 'Radial', 'Vortex', 'Centrifuge', 'Launchpad', 'Dominoes']
selfobj.OrientMode = ['Zero', 'Static', 'Radial', 'Vortex', 'Centrifuge', 'Launchpad', 'Dominoes', 'Roll']
selfobj.OrientMode = 'Radial'
selfobj.addProperty('App::PropertyBool', 'Reverse', "Polar Array", "Reverses array direction.")
selfobj.addProperty('App::PropertyBool', 'FlipX', "Polar Array", "Reverses x axis of every placement.")
Expand Down Expand Up @@ -158,7 +158,7 @@ def derivedExecute(self,selfobj):
V( ),
V(-1, 0, 0)
))
elif selfobj.OrientMode == 'Launchpad':
elif selfobj.OrientMode == 'Launchpad' or selfobj.OrientMode == "Roll":
baseplm = App.Placement(V(), App.Rotation(
V( 0, 0, 1),
V( ),
Expand Down Expand Up @@ -191,7 +191,12 @@ def derivedExecute(self,selfobj):
output = [] # list of placements
for ang in values:
localrot = App.Rotation(App.Vector(0,0,1), ang * mm + angleplus)
localtransl = localrot.multVec(App.Vector(radius,0,0))
if selfobj.OrientMode == "Roll":
localtransl = localrot.multVec(App.Vector(radius,
-radius*((ang - 0.5*(max(values) - min(values)))*math.pi/180.0),
0))
else:
localtransl = localrot.multVec(App.Vector(radius,0,0))
localplm = App.Placement(localtransl, localrot)
resultplm = localplm.multiply(baseplm)
if is_zero:
Expand Down