finished adding rotation

Analyser/FitAnalyser.py

@@ -27,6 +27,7 @@ from scipy.special import wofz
 from scipy.optimize import curve_fit
 from scipy.interpolate import CubicSpline
 from scipy.ndimage import gaussian_filter, rotate
+import scipy.constants as const
 
 import xarray as xr
 
@@ -417,7 +418,7 @@ class DensityProfileBEC2dModel(lmfit.Model):
         self.set_param_hint('sigmay_bec', min=0)
         self.set_param_hint('sigma_th', min=0)
 
-        self.set_param_hint('rot_angle', min=0, max=360)
+        self.set_param_hint('rot_angle', min=-90, max=90)
         
         self.set_param_hint('atom_number_bec', expr=f'{self.prefix}amp_bec / 5 * 2 * 3.14159265359 * {self.prefix}sigmax_bec * {self.prefix}sigmay_bec')
         self.set_param_hint('atom_number_th', expr=f'{self.prefix}amp_th * 2 * 3.14159265359 * 1.20206 / 1.643 * {self.prefix}sigma_th * {self.prefix}sigma_th')