from cmath import pi import nazca as nd import nazca.clipper as clp import numpy as np def _my_polygon (layer_wg,vtx,vtx_not=None) : ''' establishing a polygon with input vertices Args vtx (2*x list) : Return frame (nazca.cell): ''' sz_l = vtx.shape sz_l = sz_l[0] idx_seq = np.linspace(1,sz_l-1,sz_l-1) _points_ = [(vtx[0,0],vtx[0,1])] for idx in idx_seq: _point_cur_ = [(vtx[int(idx),0],vtx[int(idx),1])] _points_.extend(_point_cur_) if (isinstance(vtx_not,np.ndarray) ): _points_cut_ = [(vtx_not[0,0],vtx_not[0,1])] sz_l = vtx_not.shape sz_l = sz_l[0] for idx in range(0,sz_l): _point_cur_ = [(vtx_not[int(idx),0],vtx_not[int(idx),1])] _points_cut_.extend(_point_cur_) _points_ = clp.diff_polygons(paths_A=[_points_],paths_B=[_points_cut_]) _points_ = _points_[0] # nd.Polygon(layer=layer_wg, points = _points_cut_).put() frame = nd.Polygon(layer=layer_wg, points = _points_) return frame class hole : def __init__(self,r_hole = 0.3,Dx_hole=0.3,Dy_hole=0.3,Lx_sq = 6,Ly_sq=6,offset=0, # n_points = 1024, res = 0.05, xs='strip',layer=None,sharp_patch=True,hole_shape='circle') -> None: with nd.Cell(instantiate=False) as C: if (r_hole+offset>Lx_sq/2 or -r_hole+offset<-Lx_sq/2): raise Exception("ERROR: In , hole outside sqaure area, ") if (Dx_hole/2+offset>Lx_sq/2 or -Dx_hole/2+offset<-Lx_sq/2): raise Exception("ERROR: In , hole outside sqaure area, ") if (Dy_hole>Ly_sq): raise Exception("ERROR: In , hole outside sqaure area, ") n_points = int(np.floor(r_hole*2*np.pi/res)+1) if (layer==None): for layers,growx,growy,acc in nd.layeriter(xs=xs): (a1,b1), (a2,b2),c1,c2 = growx if (b1==0 and b2==0): if (hole_shape=='circle'): theta = np.linspace(0,180,n_points) theta = theta/180*np.pi vtx_outer_x = np.cos(theta)*(r_hole)+offset vtx_outer_y = np.sin(theta)*(r_hole) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] vtx_sq_x = np.array([Lx_sq/2, Lx_sq/2,-Lx_sq/2,-Lx_sq/2]) vtx_sq_y = np.array([ 0, Ly_sq/2, Ly_sq/2, 0]) vtx_sq = np.c_[vtx_sq_x,vtx_sq_y] vtx = np.r_[vtx_outer,np.flip(vtx_sq,0)] _my_polygon(layer_wg=layers,vtx=vtx).put(0,0,0) _my_polygon(layer_wg=layers,vtx=vtx).put(0,0,180,flip=1) elif (hole_shape=='rectangle'): vtx_outer_x = np.array([Dx_hole/2,Dx_hole/2,-Dx_hole/2,-Dx_hole/2])+offset vtx_outer_y = np.array([0,Dy_hole/2, Dy_hole/2,0]) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] vtx_sq_x = np.array([Lx_sq/2, Lx_sq/2,-Lx_sq/2,-Lx_sq/2]) vtx_sq_y = np.array([ 0, Ly_sq/2, Ly_sq/2, 0]) vtx_sq = np.c_[vtx_sq_x,vtx_sq_y] vtx = np.r_[vtx_outer,np.flip(vtx_sq,0)] _my_polygon(layer_wg=layers,vtx=vtx).put(0,0,0) _my_polygon(layer_wg=layers,vtx=vtx).put(0,0,180,flip=1) else : _L_ = Lx_sq*(a1-a2)+(b1-b1) _w_ = Ly_sq*(a1-a2)+(b1-b1) nd.strt(length=_L_,width=_w_,layer=layers).put(-_L_/2,0,0) else: if (hole_shape=='circle'): theta = np.linspace(0,180,n_points) theta = theta/180*np.pi vtx_outer_x = np.cos(theta)*(r_hole)+offset vtx_outer_y = np.sin(theta)*(r_hole) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] vtx_sq_x = np.array([Lx_sq/2, Lx_sq/2,-Lx_sq/2,-Lx_sq/2]) vtx_sq_y = np.array([ 0, Ly_sq/2, Ly_sq/2, 0]) vtx_sq = np.c_[vtx_sq_x,vtx_sq_y] vtx = np.r_[vtx_outer,np.flip(vtx_sq,0)] _my_polygon(layer_wg=layer,vtx=vtx).put(0,0,0) _my_polygon(layer_wg=layer,vtx=vtx).put(0,0,0,flip=1) elif (hole_shape=='rectangle'): vtx_outer_x = np.array([Dx_hole/2,Dx_hole/2,-Dx_hole/2,-Dx_hole/2])+offset vtx_outer_y = np.array([0,Dy_hole/2, Dy_hole/2,0]) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] vtx_sq_x = np.array([Lx_sq/2, Lx_sq/2,-Lx_sq/2,-Lx_sq/2]) vtx_sq_y = np.array([ 0, Ly_sq/2, Ly_sq/2, 0]) vtx_sq = np.c_[vtx_sq_x,vtx_sq_y] vtx = np.r_[vtx_outer,np.flip(vtx_sq,0)] _my_polygon(layer_wg=layer,vtx=vtx).put(0,0,0) _my_polygon(layer_wg=layer,vtx=vtx).put(0,0,180,flip=1) self.cell = C """ New Class, added in 2023/04/30 """ class strt_round_courner: def __init__(self, width=5, length = 10, layer=None, radius=1, n_points=64): if (radius>width/2): radius = width/2 with nd.Cell(instantiate=False) as C: theta = np.linspace(0,np.pi/2,n_points) ## establish a arc vtx_ru_x = radius*np.cos(theta) + length-radius vtx_ru_y = radius*np.sin(theta) + width/2 - radius theta = np.linspace(np.pi/2,np.pi,n_points) ## establish a arc vtx_lu_x = radius*np.cos(theta) + radius vtx_lu_y = radius*np.sin(theta) + width/2 - radius theta = np.linspace(np.pi,np.pi/2*3,n_points) ## establish a arc vtx_ld_x = radius*np.cos(theta) + radius vtx_ld_y = radius*np.sin(theta) - width/2 + radius theta = np.linspace(-np.pi/2,0,n_points) ## establish a arc vtx_rd_x = radius*np.cos(theta) + length-radius vtx_rd_y = radius*np.sin(theta) - width/2 + radius vtx_x = np.r_[vtx_ru_x,vtx_lu_x,vtx_ld_x,vtx_rd_x] vtx_y = np.r_[vtx_ru_y,vtx_lu_y,vtx_ld_y,vtx_rd_y] # vtx_x = vtx_ru_x # vtx_y = vtx_ru_y vtx = np.c_[vtx_x,vtx_y] # vtx = np.transpose(vtx) # print(np.shape(vtx)) _my_polygon(layer_wg=layer,vtx=vtx).put() nd.Pin(name='a0',width=width).put(0,0,180) nd.Pin(name='b0',width=width).put(length,0,0) nd.put_stub() self.cell = C class circle : ''' # ================================================================= # @ File : # @ structure: circle ring or disk # @ Args : * radius : center radius of the ring # : * width : width of the ring # : * theta_start : start end of the ring, range [0~360], can be negative # : * theta_stop : stop end of the ring, range [0~360], can be negative # : * n_points : resolution of the polygon # : * xs : placing layer # @ located in the center of the ring # ================================================================= ''' def __init__(self,radius = 10, width = 0.45, theta_start=0, theta_stop=360,res=0.05,angle=None, # n_points = 64, xs='strip',layer=None,sharp_patch=True, y_cut = None): with nd.Cell(instantiate=False) as C: if (angle!=None): theta_start = 0 theta_stop = angle if (res!=None): n_points = int(np.floor(abs(theta_start-theta_stop)*radius*np.pi/180/res)+1) if (layer==None): for layers,growx,growy,acc in nd.layeriter(xs=xs): (a1,b1), (a2,b2),c1,c2 = growx theta = np.linspace(theta_start,theta_stop,n_points) theta = theta/180*np.pi vtx_outer_x = np.cos(theta)*(radius+width*a1 + b1) vtx_outer_y = np.sin(theta)*(radius+width*a1 + b1) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] ## used for 360 degree if (radius+width*a2+b1>0.0000001 or np.abs(theta_stop-theta_start)<360): vtx_inner_x = np.cos(theta)*(radius+width*a2 + b2) vtx_inner_y = np.sin(theta)*(radius+width*a2 + b2) vtx_inner = np.c_[np.flip(vtx_inner_x),np.flip(vtx_inner_y)] vtx = np.r_[vtx_outer,vtx_inner] else : vtx = vtx_outer """ add in 2023.09.20 """ vtx_y = vtx[:,1] vtx_x = vtx[:,0] vtx_cut = None if (y_cut!=None): if (y_cut> min(vtx_y)): x_cut_max = max(vtx_x) x_cut_min = min(vtx_x) y_cut_max = y_cut y_cut_min = min(vtx_y)-1 vtx_x_cut = np.array([x_cut_max,x_cut_max,x_cut_min,x_cut_min]) vtx_y_cut = np.array([y_cut_max,y_cut_min,y_cut_min,y_cut_max]) vtx_cut = np.c_[vtx_x_cut,vtx_y_cut] """ """ if (sharp_patch==True and b2!=0 and b1!=0): L_patch = max([max(vtx_outer_x),max(vtx_inner_x)])-min([min(vtx_outer_x),min(vtx_inner_x)]) X_patch = 1/2*(max([max(vtx_outer_x),max(vtx_inner_x)])+min([min(vtx_outer_x),min(vtx_inner_x)])) W_patch = (max([max(vtx_outer_y),max(vtx_inner_y)])-min([min(vtx_outer_y),min(vtx_inner_y)])) Y_patch = 1/2*(max([max(vtx_outer_y),max(vtx_inner_y)])+min([min(vtx_outer_y),min(vtx_inner_y)])) nd.strt(length=L_patch,width=W_patch,layer=layers).put(X_patch-L_patch/2,Y_patch,0) else: _my_polygon(layer_wg=layers,vtx=vtx,vtx_not=vtx_cut).put(0,0,0) nd.Pin(name='a1',width=width,xs=xs).put(radius*np.cos(theta_start/180*np.pi),radius*np.sin(theta_start/180*np.pi),theta_start-90) nd.Pin(name='b1',width=width,xs=xs).put(radius*np.cos(theta_stop/180*np.pi),radius*np.sin(theta_stop/180*np.pi),theta_stop+90) else: theta = np.linspace(theta_start,theta_stop,n_points) theta = theta/180*np.pi vtx_outer_x = np.cos(theta)*(radius+width/2) vtx_outer_y = np.sin(theta)*(radius+width/2) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] """ """ if (radius-width/2>0.0000001 or np.abs(theta_stop-theta_start)<360): vtx_inner_x = np.cos(theta)*(radius-width/2) vtx_inner_y = np.sin(theta)*(radius-width/2) vtx_inner = np.c_[np.flip(vtx_inner_x),np.flip(vtx_inner_y)] vtx = np.r_[vtx_outer,vtx_inner] else : vtx = vtx_outer """ add in 2023.09.20 """ # vtx_y = np.r_[vtx_outer_y,vtx_inner_y] # vtx_x = np.r_[vtx_outer_x,vtx_inner_x] vtx_x = vtx[:,0] vtx_y = vtx[:,1] vtx_cut = None if (y_cut!=None): if (y_cut> min(vtx_y)): x_cut_max = max(vtx_x) x_cut_min = min(vtx_x) y_cut_max = y_cut y_cut_min = min(vtx_y)-1 vtx_x_cut = np.array([x_cut_max,x_cut_max,x_cut_min,x_cut_min]) vtx_y_cut = np.array([y_cut_max,y_cut_min,y_cut_min,y_cut_max]) vtx_cut = np.c_[vtx_x_cut,vtx_y_cut] _my_polygon(layer_wg=layer,vtx=vtx,vtx_not=vtx_cut).put(0,0,0) nd.Pin(name='a1',width=width,layer=layer).put(radius*np.cos(theta_start/180*np.pi),radius*np.sin(theta_start/180*np.pi),theta_start-90) nd.Pin(name='b1',width=width,layer=layer).put(radius*np.cos(theta_stop/180*np.pi),radius*np.sin(theta_stop/180*np.pi),theta_stop+90) self.vtx = vtx self.sz = [radius*2,radius*2] self.w = [width,width] self.cell = C class mx_bend : def __init__(self,radius = 10, width = 0.45, theta_start=0, theta_stop=360,res=0.05,angle=None, # n_points = 64, xs='strip',layer=None,sharp_patch=True): with nd.Cell(instantiate=False) as C: if (angle!=None): theta_start = 0 theta_stop = angle if (res!=None): n_points = int(np.floor(abs(theta_start-theta_stop)*radius/180*np.pi/res)+1) if (layer==None): for layers,growx,growy,acc in nd.layeriter(xs=xs): (a1,b1), (a2,b2),c1,c2 = growx theta = np.linspace(theta_start,theta_stop,n_points) theta = theta/180*np.pi vtx_outer_x = np.cos(theta)*(radius+width*a1 + b1) vtx_outer_y = np.sin(theta)*(radius+width*a1 + b1) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] if (radius+width*a2+b1>0.0000001 or np.abs(theta_stop-theta_start)<360): vtx_inner_x = np.cos(theta)*(radius+width*a2 + b2) vtx_inner_y = np.sin(theta)*(radius+width*a2 + b2) vtx_inner = np.c_[np.flip(vtx_inner_x),np.flip(vtx_inner_y)] vtx = np.r_[vtx_outer,vtx_inner] else : vtx = vtx_outer if (sharp_patch==True and b2!=0 and b1!=0): L_patch = max([max(vtx_outer_x),max(vtx_inner_x)])-min([min(vtx_outer_x),min(vtx_inner_x)]) X_patch = 1/2*(max([max(vtx_outer_x),max(vtx_inner_x)])+min([min(vtx_outer_x),min(vtx_inner_x)])) W_patch = (max([max(vtx_outer_y),max(vtx_inner_y)])-min([min(vtx_outer_y),min(vtx_inner_y)])) Y_patch = 1/2*(max([max(vtx_outer_y),max(vtx_inner_y)])+min([min(vtx_outer_y),min(vtx_inner_y)])) nd.strt(length=L_patch,width=W_patch,layer=layers).put(X_patch-L_patch/2,Y_patch,0) _my_polygon(layer_wg=layers,vtx=vtx).put(0,0,0) nd.Pin(name='a0',width=width,xs=xs).put(radius*np.cos(theta_start/180*np.pi),radius*np.sin(theta_start/180*np.pi),theta_start-90) nd.Pin(name='b0',width=width,xs=xs).put(radius*np.cos(theta_stop/180*np.pi),radius*np.sin(theta_stop/180*np.pi),theta_stop+90) else: theta = np.linspace(theta_start,theta_stop,n_points) theta = theta/180*np.pi vtx_outer_x = np.cos(theta)*(radius+width/2) vtx_outer_y = np.sin(theta)*(radius+width/2) vtx_outer = np.c_[vtx_outer_x,vtx_outer_y] if (radius-width/2>0.0000001 or np.abs(theta_stop-theta_start)<360): vtx_inner_x = np.cos(theta)*(radius-width/2) vtx_inner_y = np.sin(theta)*(radius-width/2) vtx_inner = np.c_[np.flip(vtx_inner_x),np.flip(vtx_inner_y)] vtx = np.r_[vtx_outer,vtx_inner] else : vtx = vtx_outer _my_polygon(layer_wg=layer,vtx=vtx).put(0,0,0) nd.Pin(name='a0',width=width,layer=layer).put(radius*np.cos(theta_start/180*np.pi),radius*np.sin(theta_start/180*np.pi),theta_start-90) nd.Pin(name='b0',width=width,layer=layer).put(radius*np.cos(theta_stop/180*np.pi),radius*np.sin(theta_stop/180*np.pi),theta_stop+90) self.sz = [radius*2,radius*2] self.w = [width,width] self.cell = C class Elipse_dual : def __init__(self, ORx : float , ORy : float , IRx : float , IRy : float , offset_X : float = 0, offset_Y : float = 0, xs : str = None, layer : str = None, theta_start : float = 0, theta_stop : float = 360, sharp_patch : bool = True, # n_points : int = 1024, res : float = 0.001, y_cut=None) -> None: """_summary_ Args: ORx (float): Outer semi X-axis length ORy (float): Outer semi Y-axis length IRx (float): Inner semi X-axis length IRy (float): Inner semi Y-axis length offset_X (float, optional): Outer and Inner elipse offset in X. Defaults to 0. offset_Y (float, optional): Outer and Inner elipse offset in Y. Defaults to 0. xs (str, optional): xsection. Defaults to None. layer (str, optional): layer. Defaults to None. theta_start (str, optional): X-axis positvive starts at 0, rotation anti-clockwise . Defaults to 0. theta_stop (str, optional): X-axis positvive starts at 0, rotation anti-clockwise. Defaults to 360. sharp_patch (bool, optional): sharp patch. Defaults to True. n_points (int, optional): points of the ring. Defaults to 1024. """ self.ORx = ORx self.ORy = ORy self.IRx = IRx self.IRy = IRy self.offset_X = offset_X self.offset_Y = offset_Y self.xs = xs self.layer = layer self.res = res # self.n_points = int(n_points) ## Force type fixing self.theta_start = theta_start self.theta_stop = theta_stop self.y_cut = y_cut self.cell = self.generate_gds(sharp_patch=sharp_patch) self.wa = ORx-IRx self.wb = ORy-IRy def generate_gds(self,sharp_patch): with nd.Cell(instantiate=False) as C: if (self.layer==None and self.xs!=None): for layers,growx,growy,acc in nd.layeriter(xs=self.xs): (a1,b1), (a2,b2),c1,c2 = growx """ Calculating points inside the ring """ Rb = min([self.ORx+self.IRx,self.ORy+self.IRy])/2 Ra = max([self.ORx+self.IRx,self.ORy+self.IRy])/2 _L_perimeter_ = 2*pi*Rb + 4*(Ra-Rb) n_points = int(_L_perimeter_/self.res) n_points = int(n_points/360*abs(self.theta_start-self.theta_stop)) ## modified the points by the angle of ring theta = np.linspace(self.theta_start,self.theta_stop,n_points) Ox = (self.ORx + b1)*np.cos(theta/180*pi) Oy = (self.ORy + b1)*np.sin(theta/180*pi) Ix = (self.IRx + b2)*np.cos(theta/180*pi)+self.offset_X Iy = (self.IRy + b2)*np.sin(theta/180*pi)+self.offset_Y dX = np.max([np.max(Ox),np.max(Ix)]) - np.min([np.min(Ox),np.min(Ix)]) dY = np.max([np.max(Oy),np.max(Iy)]) - np.min([np.min(Oy),np.min(Iy)]) X = np.max([np.max(Ox),np.max(Ix)])/2 + np.min([np.min(Ox),np.min(Ix)])/2 Y = np.max([np.max(Oy),np.max(Iy)])/2 + np.min([np.min(Oy),np.min(Iy)])/2 cx = Ox/2+Ix/2 cy = Oy/2+Iy/2 LX = np.max(cx) - np.min(cx) LY = np.max(cy) - np.min(cy) self.sz = [LX,LY] vtx_out = np.c_[Ox,Oy] vtx_In = np.c_[np.flip(Ix),np.flip(Iy)] vtx = np.r_[vtx_out,vtx_In] """ add in 2023.09.20 """ vtx_y = vtx[:,1] vtx_x = vtx[:,0] vtx_cut = None if (self.y_cut!=None): if (self.y_cut> min(vtx_y)): x_cut_max = max(vtx_x) x_cut_min = min(vtx_x) y_cut_max = self.y_cut y_cut_min = min(vtx_y)-1 vtx_x_cut = np.array([x_cut_max,x_cut_max,x_cut_min,x_cut_min]) vtx_y_cut = np.array([y_cut_max,y_cut_min,y_cut_min,y_cut_max]) vtx_cut = np.c_[vtx_x_cut,vtx_y_cut] """ """ if (sharp_patch==True and b1!=0 and b2!=0): patch = hole(r_hole=min([self.IRx + b2,self.IRy + b2]),Lx_sq=dX,Ly_sq=dY,layer=layers) patch.cell.put(0,Y,0) patch.cell.put(0,Y,0,flip=1) # nd.strt(length=dX,width=dY,layer=layers).put(X-dX/2,Y,0) else: _my_polygon(layer_wg=layers,vtx=vtx,vtx_not=vtx_cut).put(0,0,0) nd.Pin(name='a1').put((Ox[0]+Ix[0])/2,(Oy[0]+Iy[0])/2,theta[0]-90) nd.Pin(name='b1').put((Ox[-1]+Ix[-1])/2,(Oy[-1]+Iy[-1])/2,theta[-1]+90) return C class Elipse: def __init__(self,La=None,Lb=None,wa=None,wb=None,offset_a=0,offset_b=0,type="center",width_type='sine',layer=None,xs=None,theta_start=0,theta_stop=360, # n_points=512, res = 0.001, sharp_patch=False,show_pins=False) -> None: self.La = La self.Lb = Lb self.wa = wa self.wb = wb self.offset_a = offset_a self.offset_b = offset_b self.type = type self.layer = layer self.xs = xs self.theta_start = theta_start self.theta_stop = theta_stop # self.n_points = n_points self.res = res self.cell = self.generate_gds(sharp_patch=sharp_patch,show_pins=show_pins) def generate_gds(self,sharp_patch,show_pins): with nd.Cell(instantiate=False) as C: if (self.layer==None and self.xs!=None): for layers,growx,growy,acc in nd.layeriter(xs=self.xs): (a1,b1), (a2,b2),c1,c2 = growx """ calculated number of points """ Rb = self.La Ra = self.Lb _L_perimeter_ = 2*pi*Rb + 4*(Ra-Rb) n_points = int(_L_perimeter_/self.res) n_points = int(n_points/360*abs(self.theta_start-self.theta_stop)) ## modified the points by the angle of ring theta = np.linspace(self.theta_start,self.theta_stop,n_points) if (self.type=='center'): cx = self.La*np.cos(theta/180*pi) cy = self.Lb*np.sin(theta/180*pi) w = (self.wa-self.wb)*np.cos(theta/180*pi)*np.cos(theta/180*pi) + self.wb offset = (self.offset_a-self.offset_b)*np.cos(theta/180*pi)*np.cos(theta/180*pi) + self.offset_b w = w*(a1-a2) + (b1-b2) ## norm vector nx = 2*cx/self.La/self.La ny = 2*cy/self.Lb/self.Lb Ln = np.sqrt(nx*nx + ny*ny) Ox = cx + nx*(w/2 + offset)/Ln Oy = cy + ny*(w/2 + offset)/Ln Ix = cx + nx*(-w/2 + offset)/Ln Iy = cy + ny*(-w/2 + offset)/Ln elif (self.type == 'concentric'): Ox = (self.La+(self.wa*a1+b1))*np.cos(theta/180*pi) Oy = (self.Lb+(self.wb*a1+b1))*np.sin(theta/180*pi) Ix = (self.La+(self.wa*a2+b2))*np.cos(theta/180*pi) Iy = (self.Lb+(self.wb*a2+b2))*np.sin(theta/180*pi) cx = Ox/2+Ix/2 cy = Oy/2+Iy/2 else : raise Exception("ERROR: In , not recongized, please input [center | concentric]") dX = np.max([np.max(Ox),np.max(Ix)]) - np.min([np.min(Ox),np.min(Ix)]) dY = np.max([np.max(Oy),np.max(Iy)]) - np.min([np.min(Oy),np.min(Iy)]) X = np.max([np.max(Ox),np.max(Ix)])/2 + np.min([np.min(Ox),np.min(Ix)])/2 Y = np.max([np.max(Oy),np.max(Iy)])/2 + np.min([np.min(Oy),np.min(Iy)])/2 LX = np.max(cx) - np.min(cx) LY = np.max(cy) - np.min(cy) self.sz = [LX,LY] vtx_out = np.c_[Ox,Oy] vtx_In = np.c_[np.flip(Ix),np.flip(Iy)] vtx = np.r_[vtx_out,vtx_In] if (sharp_patch==True and b1!=0 and b2!=0): nd.strt(length=dX,width=dY,layer=layers).put(X-dX/2,Y,0) else: _my_polygon(layer_wg=layers,vtx=vtx).put(0,0,0) Ain = np.angle(nx[0]+1j*ny[0])/pi*180 Aout = np.angle(nx[-1]+1j*ny[-1])/pi*180 nd.Pin(name='a1').put(Ox[0]/2+Ix[0]/2,Oy[0]/2+Iy[0]/2,Ain-90) nd.Pin(name='b1').put(Ox[-1]/2+Ix[-1]/2,Oy[-1]/2+Iy[-1]/2,Aout+90) nd.Pin(name='a0').put(0,0,180) nd.Pin(name='b0').put(0,0,0) if (show_pins): nd.put_stub() return C class Conchoid: def __init__(self,R0,kR,T,w,layer,w_end=None,res=0.1,final_flat=None,begin_flat=None,xs=None): ## with half circle to be one cycle if (w_end==None): w_end = w with nd.Cell(instantiate=False)as C: n_sects = int(np.floor(T/np.pi)) ## intersecting into different semi-circle L = R0*T + 1/2*kR*T**2 ## The total length of the Conchoid center line n_points = int(np.floor(L/res))+1 ## calculating sections if (np.abs(T-n_sects*np.pi) <0.0001): n_sects = n_sects else: n_sects = n_sects+1 # res_sect = int(np.floor(res/n_sects))+1 # res = 0 if (layer!=None): nd.add_xsection(name='temp') nd.add_layer2xsection(xsection='temp',layer=layer,growx=0,growy=0) xs = 'temp' for _n_ in range(0,n_sects): # phi_start = _n_*pi # phi_end = min(T,_n_*pi+pi) ## forward placement phi_end = T - _n_*pi phi_start = max(0,T - _n_*pi - pi) L_sect = R0*(phi_end-phi_start) + 1/2*kR*(phi_end**2 - phi_start**2) n_points = int(L_sect/res)+1 if (layer!=None): Theta = np.linspace(phi_start, phi_end ,n_points) R = (Theta*kR+R0) ## conchoid function # res = kR/2*T*T + R0*T # res = res + np.sum(R[0:-1]*np.diff(Theta)) w_cur = w if (_n_==0): w_cur = np.linspace(w,w_end,n_points) # print("Loading Taper area") vtx_cx = R*np.cos(Theta) vtx_cy = R*np.sin(Theta) vtx_center = np.c_[vtx_cx,vtx_cy] e_theta = -1/((R0/kR)+Theta) ## actuall norm towards spiral # e_rou = np.ones(len(e_theta)) ey = np.sin(Theta) - np.cos(Theta)*kR/R ex = np.cos(Theta) + np.sin(Theta)*kR/R if (final_flat!=None and _n_==0): ey[-1] = np.sin(final_flat/180*np.pi) ex[-1] = np.cos(final_flat/180*np.pi) if (begin_flat!=None and _n_==n_sects-1): ey[0] = np.sin(begin_flat/180*np.pi) ex[0] = np.cos(begin_flat/180*np.pi) # if (final_flat!=None and _n_==0): # e_theta[-1] = final_flat # if (begin_flat!=None and _n_==n_sects-1): # e_theta[0] = begin_flat if (_n_==0): self.Atilt = np.arctan(ey[0]/ex[0])/np.pi*180 # print("Atilt_conchoid = %.5f" % self.Atilt) Lnorm = np.sqrt(np.power(ex,2)+np.power(ey,2)) vtx_x = R*np.cos(Theta) vtx_y = R*np.sin(Theta) vtx_out_x = vtx_x + w_cur/2*ex/Lnorm vtx_out_y = vtx_y + w_cur/2*ey/Lnorm vtx_in_x = vtx_x - w_cur/2*ex/Lnorm vtx_in_y = vtx_y - w_cur/2*ey/Lnorm vtx_in = np.c_[np.flip(vtx_in_x),np.flip(vtx_in_y)] vtx_out = np.c_[vtx_out_x,vtx_out_y] vtx = np.r_[vtx_out,vtx_in] _my_polygon(layer_wg=layer,vtx=vtx).put(0,0,0) elif(layer==None and xs!=None): for layers,growx,growy,acc in nd.layeriter(xs=xs): (a1,b1), (a2,b2),c1,c2 = growx Theta = np.linspace(phi_start, phi_end ,n_points) R = (Theta*kR+R0) # res = kR/2*T*T + R0*T # res = res + np.sum(R[0:-1]*np.diff(Theta) w_cur = w*(a1-a2) + (b1-b2) if (_n_==0): w_cur = np.linspace(w,w_end,n_points) w_cur = w_cur*(a1-a2) + (b1-b2) vtx_cx = R*np.cos(Theta) vtx_cy = R*np.sin(Theta) vtx_center = np.c_[vtx_cx,vtx_cy] # e_theta = -1/((R0/kR)+Theta) # e_rou = np.ones(len(e_theta)) # if (final_flat!=None and _n_==0): # e_theta[-1] = final_flat # if (begin_flat!=None and _n_==n_sects-1): # e_theta[0] = begin_flat ey = np.sin(Theta)*R - np.sin(Theta)*kR ex = np.cos(Theta)*R + np.cos(Theta)*kR if (final_flat!=None and _n_==0): ey[-1] = np.sin(final_flat/180*np.pi) ex[-1] = np.cos(final_flat/180*np.pi) if (begin_flat!=None and _n_==n_sects-1): ey[0] = np.sin(begin_flat/180*np.pi) ex[0] = np.cos(begin_flat/180*np.pi) Lnorm = np.sqrt(np.power(ex,2)+np.power(ey,2)) vtx_x = R*np.cos(Theta) vtx_y = R*np.sin(Theta) vtx_out_x = vtx_x + w_cur/2*ex/Lnorm vtx_out_y = vtx_y + w_cur/2*ey/Lnorm vtx_in_x = vtx_x - w_cur/2*ex/Lnorm vtx_in_y = vtx_y - w_cur/2*ey/Lnorm vtx_in = np.c_[np.flip(vtx_in_x),np.flip(vtx_in_y)] vtx_out = np.c_[vtx_out_x,vtx_out_y] vtx = np.r_[vtx_out,vtx_in] _my_polygon(layer_wg=layers,vtx=vtx).put(0,0,0) Rmax = T*kR+R0 nd.Pin(name="a1").put(R0,0,-90) nd.Pin(name="b1").put(Rmax*np.cos(T),Rmax*np.sin(T),(T/np.pi*180+90)) self.L = L self.cell =C self.vtx_center = vtx_center self.vtx = vtx self.K_end = (np.power(np.max(R),2) + 2*np.power(kR,2)) / np.power((np.power(np.max(R),2) + np.power(kR,2)),1.5) self.R_end = 1/self.K_end def _line2wg_(x,y,wu,wd,theta,n_points): """ building waveguide with center line and side expansion Args: vtx_line (list[float]): the location of points, [x,y] width (list[float]): the expansion width of points vertical to the pointing vector, [wu,wd] theta (list[float]): the pointing angle, [theta], 0 represent right, 180 represent left """ theta = theta*np.pi/180 x_u = x+wu*np.cos(theta+pi/2) x_d = x+wd*np.cos(theta-pi/2) y_u = y+wu*np.sin(theta+pi/2) y_d = y+wd*np.sin(theta-pi/2) ### polygon section, reducing resolution sect = np.linspace(start= 0,stop= len(x_u)-1,num= n_points) sect = np.asarray(sect, dtype = int) x_u = x_u[sect] x_d = x_d[sect] y_u = y_u[sect] y_d = y_d[sect] vtx_u = np.c_[x_u,y_u] vtx_d = np.c_[x_d,y_d] vtx = np.r_[vtx_u,np.flip(vtx_d,0)] return vtx def _my_poly_spiral(r,theta,order,res,R_max,sz_restrict=None): ''' generating a poly spiral curve Args r (2*1 list) :r[0] is the begining theta (2*1 list) :theta[0] is the begining [in degree] Return frame (nazca.cell): ''' theta[0] = theta[0]/180*np.pi ## angle format changing theta[1] = theta[1]/180*np.pi ## angle format changing K_ends = np.array([1/r[0],1/r[1]]) ## definition of the curvature, r[0] is the beginnin and r[1] is the ending L0 = np.abs(theta[0]-theta[1])/(K_ends[0] + (K_ends[1]-K_ends[0])*order/(order+1)) L = np.linspace(0,L0,int(np.floor(L0/res)+1)) ## L = [0:res:L0]; K = K_ends[0] + (K_ends[1] - K_ends[0])/np.power(L0,order)*(np.power(L0,order) - np.power(np.abs(L-L0),order)) R = 1/K dir = np.sign(theta[1] - theta[0]) dt = dir*res/R theta_temp = np.cumsum(dt) + theta[0] """ 2023.08.01 updated, using array calculation instead of for loop""" dx = dir*R[1:]*( np.sin(theta_temp[1:]) - np.sin(theta_temp[0:-1])) dy = -dir*R[1:]*( np.cos(theta_temp[1:]) - np.cos(theta_temp[0:-1])) x = np.r_[0,np.cumsum(dx)] y = np.r_[0,np.cumsum(dy)] # x = np.zeros(len(L)) # y = np.zeros(len(L)) # idx = np.linspace(1,len(L)-1,len(L)-1) # for _idx_ in idx : # _idx_ = int(_idx_) # x[_idx_] = x[_idx_-1] + dir*R[_idx_]*( np.sin(theta_temp[_idx_]) - np.sin(theta_temp[_idx_-1])) # y[_idx_] = y[_idx_-1] - dir*R[_idx_]*( np.cos(theta_temp[_idx_]) - np.cos(theta_temp[_idx_-1])) vector = np.c_[x,y,theta_temp,L] return (vector,L0) class Clothoid: def __init__(self, name:str=None, R: 'list|np.ndarray'=[10,20], w: 'list|np.ndarray|float'=[0.4,0.5], ## w either has the length as R, or 1 element, or 2 element A: 'list|np.ndarray'=[0,45], width_type: str='sine', spiral_order: 'float|list' =1, Rmax:float=10000, dL_cal:float=0.001, dL_wg = 0.1, # n_points:int=1024, xs:str='strip', layer:str=None, sharp_patch:bool=True, end_patch : bool=True, show_pins:bool=False) -> None: """_summary_ Args: R (list|np.ndarray, optional): Curvature radius in each attaching point. Defaults to [10,20]. w (list|np.ndarray|float, optional): Width at each attaching point corresponding to R, or it can be set to one or two element. Defaults to [0.4,0.5]. A (list|np.ndarray, optional): Angle at each attaching point. Defaults to [0,45]. width_type (str, optional): The width function with length or angle 'linear' 'linear2' 'sine' 'sine2'. Defaults to 'sine'. spiral_order (float, optional): The curvature order of spiral. Defaults to 1. Rmax (float, optional): Maxmum radius. Defaults to 10000. res (float, optional): Resolution in calculation. Defaults to 0.001. n_points (int, optional): Resolution in GDS. Defaults to 1024. xs (str, optional): XSection of the devices. Defaults to 'strip'. layer (str, optional): Layer of the devices. Defaults to None. sharp_patch (bool, optional): Either to patch. Defaults to True. show_pins (bool, optional): Either to show pins. Defaults to False. Raises: Exception: _description_ Exception: _description_ """ if (isinstance(w,int) or isinstance(w,float)): w= np.array([w,w]) self.name = name self.R = R self.A = A self.width_type = width_type self.spiral_order = spiral_order self.dL_cal = dL_cal # self.n_points = n_points self.xs =xs self.layer = layer self.dL_wg = dL_wg if (len(R) != len(A)): raise Exception("ERROR: In , and are not matched in length, please keep len(A) = len(R)") if (isinstance(spiral_order,int) or isinstance(spiral_order,float)): spiral_order = spiral_order*np.ones(len(R)-1) elif(isinstance(spiral_order,list)): spiral_order = np.array(spiral_order) ## center curve routing _idx_act_=0 for _idx_ in range(0,len(R)-1): if ( abs( A[_idx_] - A[_idx_+1] )<0.001 ): continue vec_cur,L0_cur = _my_poly_spiral([R[_idx_],R[_idx_+1]],[A[_idx_],A[_idx_+1]],spiral_order[_idx_],dL_cal,Rmax) _idx_act_ = _idx_act_+1 x_cur = vec_cur[:,0] y_cur = vec_cur[:,1] theta_cur = vec_cur[:,2]/np.pi*180 ## pointing vector L_cur = vec_cur[:,3] if (_idx_act_==1): L = L_cur x = x_cur y = y_cur theta = theta_cur L0 = L0_cur else : L = np.r_[L,L_cur+L[-1]] x = np.r_[x,x_cur+x[-1]] y = np.r_[y,y_cur+y[-1]] theta = np.r_[theta,theta_cur] L0 = L0 + L0_cur if (len(w)>2 and len(w)==len(R)): w_cur = (w[_idx_+1]-w[_idx_])/L0_cur*L_cur + (w[_idx_]) if (_idx_act_==1): w_fianl = w_cur else : w_fianl = np.r_[w_fianl,w_cur] self.x = x self.y = y self.L = L self.L0 = L0 self.theta = theta self.vtx_center = np.c_[x,y] self.end_patch = end_patch self.sz = [np.abs(max(self.x) - min(self.x)),np.abs(max(self.y) - min(self.y))] if (dL_wg!=None): self.n_points = int(np.floor(self.L0/self.dL_wg)+1) ## overwrite n_points # print("n points",self.n_points) if (len(w)==2): ## width winding if (width_type=='linear'): w = (w[1]-w[0])/L0*L + w[0] elif (width_type=='dual_linear'): w = (w[1]-w[0])/L0/2*np.abs(L-L0/2) + w[0] elif (width_type=='sine'): w = (w[0]-w[1])*np.cos(theta/180*pi)*np.cos(theta/180*pi) + w[1] elif (width_type=='dual_sine'): w = (w[0]-w[1])*np.cos(theta/2/180*pi)*np.cos(theta/2/180*pi) + w[1] elif (width_type=='crow_customize' or width_type=='pumpkin'): dw = (w[1]-w[0]) z = theta/180*np.pi z = np.sqrt(z)*np.sqrt(np.pi/2) z = np.sin(z)**2*np.pi/2 w = dw*np.sin(z)**2 + w[0] else : w = (w[1]-w[0])/L0*L + w[0] self.w = np.array(w) elif (len(w)==len(R)): self.w = w_fianl else: raise Exception("ERROR, In , is not matched with , please keep len(w)=2 or len(w)=R or w=int") self.cell = self.generate_gds(sharp_patch=sharp_patch,show_pins=show_pins) def generate_gds(self,sharp_patch,show_pins): if (self.name is None): self.instantiate = False else: self.instantiate = True with nd.Cell(name=self.name,instantiate=self.instantiate) as C: if (self.layer==None and self.xs!=None): ## if definition is in layers for layers,growx,growy,acc in nd.layeriter(xs=self.xs): (a1,b1), (a2,b2),c1,c2 = growx if (b1!=0 and b2!=0): vtx_wg = _line2wg_(x=self.x,y=self.y,wu=self.w*a1+b1,wd= -self.w*a2-b2,theta=self.theta,n_points=self.n_points) dX = np.max(vtx_wg[:,0]) - np.min(vtx_wg[:,0]) dY = np.max(vtx_wg[:,1]) - np.min(vtx_wg[:,1]) cX = np.max(vtx_wg[:,0])/2 + np.min(vtx_wg[:,0])/2 cY = np.max(vtx_wg[:,1])/2 + np.min(vtx_wg[:,1])/2 if (sharp_patch): if (self.end_patch): nd.strt(length = dX+(b1-b2),width = dY,layer=layers).put(cX-dX/2-b1,cY,0) else: nd.strt(length = dX,width = dY,layer=layers).put(cX-dX/2,cY,0) else : _my_polygon(layers,vtx_wg).put(0,0,0) else : vtx_wg = _line2wg_(x=self.x,y=self.y,wu=self.w*a1+b1,wd= -self.w*a2-b2,theta=self.theta,n_points=self.n_points) self.vtx =vtx_wg _my_polygon(layers,vtx_wg).put(0,0,0) nd.Pin(name='a0',width=self.w[0]).put(self.x[0],self.y[0],self.A[0]+180) nd.Pin(name='b0',width=self.w[-1]).put(self.x[-1],self.y[-1],self.A[-1]) nd.Pin(name='a1',width=self.w[0]).put(self.x[0],self.y[0],self.A[0]+180) nd.Pin(name='b1',width=self.w[-1]).put(self.x[-1],self.y[-1],self.A[-1]) elif(self.layer!=None) : ## if definition is in xsections vtx_wg = _line2wg_(x=self.x,y=self.y,wu=self.w/2,wd= self.w/2,theta=self.theta,n_points=self.n_points) _my_polygon(self.layer,vtx_wg).put(0,0,0) nd.Pin(name='a0',width=self.w[0]).put(self.x[0],self.y[0],self.A[0]+180) nd.Pin(name='b0',width=self.w[-1]).put(self.x[-1],self.y[-1],self.A[-1]) nd.Pin(name='a1',width=self.w[0]).put(self.x[0],self.y[0],self.A[0]+180) nd.Pin(name='b1',width=self.w[-1]).put(self.x[-1],self.y[-1],self.A[-1]) else: raise Exception("ERROR: In , not defined") if (show_pins): nd.put_stub() self.sz_p2p = [np.abs(self.x[-1] - self.x[0]),np.abs(self.y[-1] - self.y[0])] return C class Racetrack: def __init__(self, bend_cell=None, xs = 'strip', layer = None, R_bend = 10, w = 0.5, dLx = 100, dLy = 100, # n_points = 128, res = 0.001, ) -> None: if (bend_cell==None): bend_cell = circle(xs=xs,theta_start=0,theta_stop=90,res=res, # n_points=n_points, radius=R_bend,width=w).cell if (isinstance(bend_cell,nd.Cell)): bend_cell = bend_cell elif (hasattr(bend_cell,'cell')) : bend_cell = bend_cell.cell else: raise Exception("ERROR: In , not a regonizable class, please input [nd.Cell] or class with [nd.Cell]") self.dLx = dLx self.R_bend =R_bend self.dLy = dLy self.xs = xs self.layer = layer self.bend_cell = bend_cell self.A_bend = np.abs(bend_cell.pin['a1'].a - bend_cell.pin['b1'].a) self.w = [bend_cell.pin['b1'].width,bend_cell.pin['a1'].width] self.w_crack = 0.002 self.cell = self.generate_gds() def generate_gds(self): with nd.Cell(instantiate=False) as C: bend_sz = [ abs(self.bend_cell.pin['a0'].x - self.bend_cell.pin['b0'].x) ,abs(self.bend_cell.pin['a0'].y - self.bend_cell.pin['b0'].y)] if (self.layer==None): if (self.A_bend==90): nd.strt(length=self.dLx+self.w_crack,width=self.w[1],xs=self.xs).put(-self.dLx/2-self.w_crack/2,-self.dLy/2-bend_sz[1],0) self.bend_cell.put(-self.dLx/2,-self.dLy/2-bend_sz[1],0,flip=0) nd.strt(length=self.dLy+self.w_crack,width=self.w[0],xs=self.xs).put( self.dLx/2+bend_sz[0],-self.dLy/2-self.w_crack/2,90) self.bend_cell.put( self.dLx/2,-self.dLy/2-bend_sz[1],180,flip=1) nd.strt(length=self.dLx+self.w_crack,width=self.w[1],xs=self.xs).put(-self.dLx/2-self.w_crack/2, self.dLy/2+bend_sz[1],0) self.bend_cell.put(-self.dLx/2, self.dLy/2+bend_sz[1],0,flip=1) nd.strt(length=self.dLy+self.w_crack,width=self.w[0],xs=self.xs).put(-self.dLx/2-bend_sz[0],-self.dLy/2-self.w_crack/2,90) self.bend_cell.put( self.dLx/2, self.dLy/2+bend_sz[1],180,flip=0) elif (self.A_bend==0 or self.A_bend==360): ## in this case, dy is not used temp = nd.strt(length=self.dLx,width=self.w[0],xs=self.xs).put(-self.dLx/2,-self.dLy/2-bend_sz[1],0) sp_r = self.bend_cell.put() sp_l = self.bend_cell.put(temp.pin['a0'].xya(),flip=1) temp = nd.strt(length=np.abs(sp_r.pin['b0'].x-sp_l.pin['b0'].x),width=sp_r.pin['b0'].width,xs=self.xs).put() else: if (self.A_bend==90): nd.strt(length=self.dLx,width=self.w[0],layer=self.layer).put(-self.dLx/2,-self.dLy/2-bend_sz[1],0) temp = self.bend_cell.put() temp = nd.strt(length=self.dLy,width=self.w[1],layer=self.layer).put() temp = self.bend_cell.put('b0',temp.pin['b0'].xya(),flip=1) temp = nd.strt(length=self.dLx,width=self.w[0],layer=self.layer).put(temp.pin['a0'].xya()) temp = self.bend_cell.put() temp = nd.strt(length=self.dLy,width=self.w[1],layer=self.layer).put() temp = self.bend_cell.put('b0',temp.pin['b0'].xya(),flip=1) elif (self.A_bend==0 or self.A_bend==360): ## in this case, dy is not used temp = nd.strt(length=self.dLx,width=self.w[0],layer=self.layer).put(-self.dLx/2,-self.dLy/2-bend_sz[1],0) sp_r = self.bend_cell.put() sp_l = self.bend_cell.put(temp.pin['a0'].xya(),flip=1) temp = nd.strt(length=np.abs(sp_r.pin['b0'].x-sp_l.pin['b0'].x),width=sp_r.pin['b0'].width,layer=self.layer).put() nd.Pin(name="r1",width=self.w[0]).put(0,-self.dLy/2-bend_sz[1],0) nd.Pin(name="r3",width=self.w[0]).put(0, self.dLy/2+bend_sz[1],180) nd.Pin(name="r2",width=self.w[1]).put(-self.dLx/2-bend_sz[0], 0, 90) nd.Pin(name="r4",width=self.w[1]).put( self.dLx/2+bend_sz[0], 0,-90) sz = [2*bend_sz[0]+self.dLx,2*bend_sz[1]+self.dLy] self.sz = sz return C