Updated B_tot_along_axis
B_multiple_3d has error
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@ -281,14 +281,10 @@ class BCoil:
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HH = +1 --> Helmholtz configuration, HH = -1 --> Anti Helmholtz configuration
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"""
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# z_start = self.get_zmin() + self.wire_height / 2 # (distance_coils/2 - windings * wire_height/2 + wire_height/2)*1e-3
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# R_start = self.get_R_inner() + self.wire_width / 2 # (R_inner + wire_width/2 )*1e-3
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# Convert axis to SI units
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x_SI = x * 1e-3
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z_SI = z * 1e-3
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if x[0] <= 0:
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if x[0] <= 0: # divide array into positive and negative values
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x_neg = np.abs([el for el in x_SI if el < 0])
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x_pos = np.array([el for el in x_SI if el > 0])
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x_zero = np.array([el for el in x_SI if el == 0])
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@ -306,7 +302,7 @@ class BCoil:
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rastering_value = len(calc_raster[0])
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I_current /= rastering_value # divide current into smaller currents for mapping the whole wire
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start = time.time()
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# start = time.time()
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for wire in range(0, self.get_N()):
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for ii in range(0, rastering_value):
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# extract position information out of raster
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@ -322,8 +318,8 @@ class BCoil:
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B_x_neg *= -1 # B_x_neg is pointing in opposite x_direction
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B_x = np.concatenate((B_x_neg, B_x_zero, B_x_pos))
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end = time.time()
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print(f"time = {end - start} s")
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# end = time.time()
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# print(f"time = {end - start} s")
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return B_z, B_x
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def B_tot_along_axis(self, I_current, x, z, raster=10):
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@ -333,9 +329,6 @@ class BCoil:
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HH = +1 --> Helmholtz configuration, HH = -1 --> Anti Helmholtz configuration
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"""
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z_start = self.get_zmin() + self.wire_height / 2 # (distance_coils/2 - windings * wire_height/2 + wire_height/2)*1e-3
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R_start = self.get_R_inner() + self.wire_width / 2 # (R_inner + wire_width/2 )*1e-3
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# Convert axis to SI units
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x_SI = x * 1e-3
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z_SI = z * 1e-3
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@ -352,43 +345,40 @@ class BCoil:
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B_z_x = np.zeros(len(x_SI))
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# dividing each wire into 10 x 10 raster
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calc_raster = self.full_raster(raster)
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I_current /= raster ** 2
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if self.get_N() != len(calc_raster):
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log.error("N is not equal length of raster")
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for xx in range(0, self.layers):
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for zz in range(0, self.windings):
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for xx_in in range(0, raster):
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for zz_in in range(0, raster):
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z_pos = z_start + zz * (
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self.wire_height + self.insulation_thickness * 2) - self.wire_height / 2 + zz_in * self.wire_height / (
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raster - 1)
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R_pos = R_start + xx * (
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self.wire_width + self.insulation_thickness * 2) - self.wire_width / 2 + xx_in * self.wire_width / (
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raster - 1)
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# TODO: fix z_pos, R_pos, either by raster or by spacing
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rastering_value = len(calc_raster[0])
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# z-field along z-axis (x-Field always zero)
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B_tot_z += BCoil.B_z_loop(I_current, R_pos, z_pos, 0, z_SI) + BCoil.B_z_loop(
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self.HH * I_current, R_pos, -z_pos, 0, z_SI)
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I_current /= rastering_value # divide current into smaller currents for mapping the whole wire
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# start = time.time()
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for wire in range(0, self.get_N()):
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for ii in range(0, rastering_value):
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# extract position information out of raster
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z_pos = calc_raster[wire, ii, 0]
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r_pos = calc_raster[wire, ii, 1]
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# x-field along x-axis
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B_x_pos += BCoil.B_r_loop(I_current, R_pos, z_pos, x_pos, 0) + BCoil.B_r_loop(
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self.HH * I_current, R_pos, -z_pos, x_pos, 0)
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B_x_neg += BCoil.B_r_loop(I_current, R_pos, z_pos, x_neg, 0) + BCoil.B_r_loop(
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self.HH * I_current, R_pos, -z_pos, x_neg, 0)
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# B_z along x-axis:
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B_z_x += BCoil.B_z_loop(I_current, R_pos, z_pos, x_SI, 0) + BCoil.B_z_loop(self.HH * I_current,
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R_pos, -z_pos, x_SI,
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0)
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# z-field along z-axis (x-Field always zero)
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B_tot_z += BCoil.B_z_loop(I_current, r_pos, z_pos, 0, z_SI) + BCoil.B_z_loop(
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self.HH * I_current, r_pos, -z_pos, 0, z_SI)
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# x-field along x-axis
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B_x_pos += BCoil.B_r_loop(I_current, r_pos, z_pos, x_pos, 0) + BCoil.B_r_loop(
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self.HH * I_current, r_pos, -z_pos, x_pos, 0)
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B_x_neg += BCoil.B_r_loop(I_current, r_pos, z_pos, x_neg, 0) + BCoil.B_r_loop(
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self.HH * I_current, r_pos, -z_pos, x_neg, 0)
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# B_z along x-axis:
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B_z_x += BCoil.B_z_loop(I_current, r_pos, z_pos, x_SI, 0) + BCoil.B_z_loop(self.HH * I_current,
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r_pos, -z_pos, x_SI, 0)
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B_x_neg *= -1 # B_x_neg is pointing in opposite x_direction
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# B_x_x = np.zeros(len(x_SI))
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B_tot_x = np.sqrt(B_x_x ** 2 + B_z_x ** 2)
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B_x_x = np.concatenate((B_x_neg, B_x_zero, B_x_pos))
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B_tot_x = np.sqrt(B_x_x ** 2 + B_z_x ** 2)
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B_tot_z = np.abs(B_tot_z)
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return B_tot_z, B_tot_x
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def B_multiple_3d(self, I_current, x, z, raster=4):
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@ -400,38 +390,40 @@ class BCoil:
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B = np.zeros([len(z_SI), len(x_SI), 2])
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I_current /= raster ** 2
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calc_raster = self.full_raster(raster)
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for el in range(0, len(x_SI)):
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for xx in range(0, self.layers):
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for zz in range(0, self.windings):
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for xx_in in range(0, raster):
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for zz_in in range(0, raster):
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z_pos = z_start + zz * (
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self.wire_height + self.windings_spacing) - self.wire_height / 2 + zz_in * self.wire_height / (
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raster - 1)
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R_pos = R_start + xx * (
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self.wire_width + self.layers_spacing) - self.wire_width / 2 + xx_in * self.wire_width / (
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raster - 1)
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# TODO: fix z_pos, R_pos, either by raster or by spacing
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if self.get_N() != len(calc_raster):
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log.error("N is not equal length of raster")
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# compute z-value of field
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B[:, el, 1] += BCoil.B_z_loop(I_current, R_pos, z_pos, np.abs(x_SI[el]),
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z_SI) + BCoil.B_z_loop(self.HH * I_current, R_pos, -z_pos,
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np.abs(x_SI[el]), z_SI)
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rastering_value = len(calc_raster[0])
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# TODO: why division by zero?
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# compute x-value
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if x_SI[el] < 0:
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B[:, el, 0] -= BCoil.B_r_loop(I_current, R_pos, z_pos, -x_SI[el],
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z_SI) + BCoil.B_r_loop(self.HH * I_current, R_pos, -z_pos,
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-x_SI[el], z_SI)
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I_current /= rastering_value # divide current into smaller currents for mapping the whole wire
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# start = time.time()
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for el in range(0,len(x_SI)):
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for wire in range(0, self.get_N()):
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for ii in range(0, rastering_value):
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# extract position information out of raster
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z_pos = calc_raster[wire, ii, 0]
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r_pos = calc_raster[wire, ii, 1]
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elif x_SI[el] > 0:
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B[:, el, 0] += BCoil.B_r_loop(I_current, R_pos, z_pos, x_SI[el], z_SI) + BCoil.B_r_loop(
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self.HH * I_current, R_pos, -z_pos, x_SI[el], z_SI)
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# compute z-value of field
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B[:, el, 1] += BCoil.B_z_loop(I_current, r_pos, z_pos, np.abs(x_SI[el]),
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z_SI) + BCoil.B_z_loop(self.HH * I_current, r_pos, -z_pos,
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np.abs(x_SI[el]), z_SI)
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elif x_SI[el] == 0:
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B[:, el, 0] = 0
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# compute x-value
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if x_SI[el] < 0:
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B[:, el, 0] -= BCoil.B_r_loop(I_current, r_pos, z_pos, -x_SI[el],
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z_SI) + BCoil.B_r_loop(self.HH * I_current, r_pos, -z_pos,
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-x_SI[el], z_SI)
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elif x_SI[el] > 0:
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B[:, el, 0] += BCoil.B_r_loop(I_current, r_pos, z_pos, x_SI[el], z_SI) + BCoil.B_r_loop(
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self.HH * I_current, r_pos, -z_pos, x_SI[el], z_SI)
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elif x_SI[el] == 0:
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B[:, el, 0] = 0
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return B
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@ -598,22 +590,22 @@ class BCoil:
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def main():
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HH_Coil = BCoil(HH=-1, distance=50, radius=40, layers=4, windings=8, wire_height=0.4, wire_width=0.4,
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insulation_thickness=0.1, is_round=True, winding_offset=False)
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x = np.linspace(-50, 50, 200)
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z = np.linspace(-50, 50, 200)
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HH_Coil = BCoil(HH=1, distance=50, radius=40, layers=8, windings=8, wire_height=0.4, wire_width=0.4,
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insulation_thickness=0.1, is_round=True, winding_offset=True)
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x = np.linspace(-50, 50, 300)
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z = np.linspace(-50, 50, 300)
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# Bz, Bx = HH_Coil.B_tot_along_axis(1.25, x, z)
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Bz, Bx = HH_Coil.B_field(1.25, x, z)
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print(Bx)
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print(Bz)
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plt.plot(x,Bx,label = "Bx")
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plt.plot(z,Bz, label = "Bz")
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plt.legend()
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plt.show()
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HH_Coil.plot_raster(3)
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ras = HH_Coil.full_raster(10)
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# Bz, Bx = HH_Coil.B_tot_along_axis(1.25, x, z)
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# #print(Bx)
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# #print(Bz)
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# plt.plot(x,Bx,label = "Bx")
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# plt.plot(z,Bz, label = "Bz")
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# plt.legend()
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# plt.show()
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#
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# HH_Coil.plot_raster(3)
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# ras = HH_Coil.full_raster(10)
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HH_Coil.plot_3d(1.25,50,50)
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main()
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# if __name__ == "__main__":
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