Upload files to "scripts/DA"

Analysis script for "test setup" sequence

scripts/DA/TestDA.py

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+from lyse import Run as lyse_run
+import h5py
+import sys
+import pandas as pd
+
+import numpy as np
+import xarray as xr
+import lmfit
+from matplotlib import pyplot as plt
+
+
+new_path = r'C:\Users\DyLab\PrepLab\Data_Analysis' 
+if new_path not in sys.path:
+    sys.path.append(new_path)
+
+from Analyser.FitAnalyser import Gaussian2dModel
+from Analyser.FitAnalyser import FitAnalyser
+from ToolFunction.ToolFunction import get_scanAxis
+
+free_std = 1.815672e-6 #THz
+free_freq = 438.585992 #THz
+free_intensity_max = 186
+
+cost_scaling_factor = {
+    'red_chi2': 0.01,
+    'std_freq': 1,
+    'peak_intensity': 10
+}
+
+
+def cost(hdf_outfile):
+
+    output = analysis(hdf_outfile)
+    print(f'output:\n{output}')
+
+    if output['bad']:
+        return {
+            'cost': np.inf,
+            'bad': True
+        }
+    
+    cost_value = ( 
+          (1 + abs( output['red_chi2'] - 1 )) 
+            * cost_scaling_factor['red_chi2'] + 
+
+          output['std_freq'] / free_std 
+            * cost_scaling_factor['std_freq'] + 
+
+          free_intensity_max  / output['peak_intensity'] 
+            * cost_scaling_factor['peak_intensity']
+        ) / 3
+
+    #print('doing return now')
+    return {
+        'cost': cost_value, 
+        'bad': False 
+    }
+
+def analysis(hdf_outfile):
+    bad = False
+    group_name = 'DA'
+    lyse_run_obj = lyse_run(hdf_outfile)
+    lyse_run_obj.set_group(group_name)
+    #print(type(hdf_outfile))
+
+    with h5py.File(hdf_outfile, 'r') as f:
+        data = f['results/wlm']['wlm_df'][:]  # Load as NumPy array
+
+    df = pd.DataFrame(data, 
+                      columns = ['timestamp [s]','wavelength [nm]', 'frequency [THz]'])
+    
+    #we're conservative and declare a false measurement if at any point the device is over or underexposed
+    if (df < 0 ).any().any():
+        bad = True
+        return  {'bad': bad }
+    
+    #print(f'df imported, all right {df}')
+    
+    mean_wl = df['wavelength [nm]'].mean()
+    mean_freq = df['frequency [THz]'].mean()
+
+    std_wl = df['wavelength [nm]'].std()
+    std_freq = df['frequency [THz]'].std()
+
+    
+
+    img = lyse_run_obj.get_image('Camera','camera_snap','image')
+
+    peak_intensity, wx, wy, red_chi2, fitted_img = img_Analyzer(img) 
+
+    #save fitted image
+    #print(f"Saving frame(s) {group_name}/{frametype}.")
+    frametype = 'fitted_beam_shape'
+    with h5py.File(hdf_outfile, 'r+') as f:
+        group = f.require_group(group_name)
+        dset = group.create_dataset(
+                    frametype, data=fitted_img, dtype='uint16', compression='gzip'
+                )
+        # Specify this dataset should be viewed as an image
+        dset.attrs['CLASS'] = np.bytes_('IMAGE')
+        dset.attrs['IMAGE_VERSION'] = np.bytes_('1.2')
+        dset.attrs['IMAGE_SUBCLASS'] = np.bytes_('IMAGE_GRAYSCALE')
+        dset.attrs['IMAGE_WHITE_IS_ZERO'] = np.uint8(0)
+
+    output = {'mean_wl': mean_wl, 'std_wl': std_wl,
+            'mean_freq': mean_freq, 'std_freq': std_freq,
+            'peak_intensity': peak_intensity,
+            'wx': wx, 'wy': wy,
+            'red_chi2': red_chi2,
+
+            'bad': bad}
+
+    lyse_run_obj.save_result('output', output)
+
+    #print(output)
+    return output
+
+
+def img_Analyzer(image):
+
+    dimensions = ['x', 'y']
+    # Converting image from NumPy array to Xarray DataArray    
+    image = xr.DataArray(image, dims = dimensions)
+    
+    fitModel = Gaussian2dModel()
+    fitAnalyser = FitAnalyser(fitModel, fitDim=2)
+
+    params = fitAnalyser.guess(image)
+    #print(params.item())
+    fitResult = fitAnalyser.fit(image, params).load()
+    #lmfit.report_fit(fitResult.item())
+    fitted_image = fitResult.item().eval(x = image.x, y = image.y)   
+    fitted_image = xr.DataArray(fitted_image, dims = dimensions)
+
+    val = fitAnalyser.get_fit_value(fitResult)
+    #print(val)
+
+    #print(image.max())
+
+    return np.float64(image.max()), np.float64(val['sigmax']), np.float64(val['sigmay']), np.float64(fitResult.item().redchi), fitted_image
+