blur images in optical scan

ramancom/simulatedraman.py

@@ -25,8 +25,10 @@ import sys, os
 stdout = sys.stdout
 from time import sleep
 import numpy as np
+import cv2
 from shutil import copyfile
 from .ramanbase import RamanBase
+from ..helperfunctions import cv2imread_fix, cv2imwrite_fix
 
 class SimulatedRaman(RamanBase):
     magn = 20
@@ -38,11 +40,11 @@ class SimulatedRaman(RamanBase):
         self.currentpos = None, 0., 0.
         self.currentZ = 0.
         # some plausible data to simulate consecutively changing positions
-        self.positionlist = np.array([[ -1201,  1376,  -1290],
-                                      [ -1195,  -1200,  -1279],
-                                      [  1097,  -1254,  -1297],
-                                      [ 2704.1, 1288.2,  -1381],
-                                      [ 1884. , -1500.8,  -1381]])
+        self.positionlist = np.array([[ -201,  876,  -1290],
+                                      [ -55,  -900,  -1279],
+                                      [  1097,  -754,  -1297],
+                                      [ 2004.1, 788.2,  -1381],
+                                      [ 1884., -1000.8,  -1381]])
         self.znum = 4
         self.gridnum = 36
         self.positionindex = 0
@@ -95,7 +97,17 @@ class SimulatedRaman(RamanBase):
         assert self.connected
         cwd = os.getcwd()
         fakeImgPath = os.path.join(cwd, "gepard", "fakeData/image.bmp")
-        copyfile(fakeImgPath, fname)
+        if fname.endswith('tmp.bmp'):
+            copyfile(fakeImgPath, fname)
+        else:  # fake defocussing
+            img: np.ndarray = cv2imread_fix(fakeImgPath)
+            zLevel: int = int(fname.split('.bmp')[0].split('_')[-1])
+            if zLevel > 0:
+                blurRad: int = 8*zLevel + 1  # increase and make it odd
+                self.logger.info(f'blurring fake image with radius {blurRad} for z-Level {zLevel}')
+                img = cv2.medianBlur(img, blurRad)
+            cv2imwrite_fix(fname, img)
+
         self.imageindex = (self.imageindex+1)%(self.znum*self.gridnum)
         sleep(.01)