full implementation of generate_coord_list_fixed_angle

Mag_Field_Sweep_2024_10_21.py

@@ -644,9 +644,44 @@ def sweep_b_val(instr:pyvisa.resources.Resource, min_bval:float, max_bval:float,
     np.savetxt("Wavelength.txt", wl)
     np.savetxt("B_Values.txt", bval_lst)
     
-def generate_coord_list_fixed_angle(angle, b_abs, b_abs_step_size):
-    # TODO: write a function that returns a list of coordinates (x,y) for a fixed angle and a given b_val, b_val_step_size
-    pass
+def generate_coord_list_fixed_angle(angle, b_val, b_val_step_size, reverse=False):
+    """
+    Generates a list of (x, y) Cartesian coordinates along a line defined by a fixed angle,
+    scanning from -b_val to b_val or from b_val to -b_val depending on the reverse flag.
+    
+    Args:
+        angle (float): The fixed angle (in degrees) from the positive x-axis.
+        b_val (float): The maximum distance from the origin (both positive and negative).
+        b_val_step_size (float): The increment in distance for each point.
+        reverse (bool): If True, scan from b_val to -b_val. If False, scan from -b_val to b_val.
+        
+    Returns:
+        list: A list of tuples representing Cartesian coordinates (x, y).
+    """
+    coordinates = []
+    
+    # Convert angle from degrees to radians
+    angle_rad = math.radians(angle)
+    
+    # Determine the scan direction based on the reverse flag
+    if reverse:
+        # Scan from b_val to -b_val
+        current_b = b_val
+        while current_b >= -b_val:
+            x = current_b * math.cos(angle_rad)
+            y = current_b * math.sin(angle_rad)
+            coordinates.append((x, y))
+            current_b -= b_val_step_size
+    else:
+        # Scan from -b_val to b_val
+        current_b = -b_val
+        while current_b <= b_val:
+            x = current_b * math.cos(angle_rad)
+            y = current_b * math.sin(angle_rad)
+            coordinates.append((x, y))
+            current_b += b_val_step_size
+    
+    return coordinates
 
 def generate_angle_coord_list(radius, start_angle, end_angle, step_size, clockwise=True):
     # TODO: DOCS

Test.py

@@ -76,6 +76,45 @@ def polar_to_cartesian(radius, start_angle, end_angle, step_size, clockwise=True
 
     return [angles, coordinates]
 
+def generate_coord_list_fixed_angle(angle, b_val, b_val_step_size, reverse=False):
+    """
+    Generates a list of (x, y) Cartesian coordinates along a line defined by a fixed angle,
+    scanning from -b_val to b_val or from b_val to -b_val depending on the reverse flag.
+    
+    Args:
+        angle (float): The fixed angle (in degrees) from the positive x-axis.
+        b_val (float): The maximum distance from the origin (both positive and negative).
+        b_val_step_size (float): The increment in distance for each point.
+        reverse (bool): If True, scan from b_val to -b_val. If False, scan from -b_val to b_val.
+        
+    Returns:
+        list: A list of tuples representing Cartesian coordinates (x, y).
+    """
+    coordinates = []
+    
+    # Convert angle from degrees to radians
+    angle_rad = math.radians(angle)
+    
+    # Determine the scan direction based on the reverse flag
+    if reverse:
+        # Scan from b_val to -b_val
+        current_b = b_val
+        while current_b >= -b_val:
+            x = current_b * math.cos(angle_rad)
+            y = current_b * math.sin(angle_rad)
+            coordinates.append((x, y))
+            current_b -= b_val_step_size
+    else:
+        # Scan from -b_val to b_val
+        current_b = -b_val
+        while current_b <= b_val:
+            x = current_b * math.cos(angle_rad)
+            y = current_b * math.sin(angle_rad)
+            coordinates.append((x, y))
+            current_b += b_val_step_size
+    
+    return coordinates
+
 if __name__=="__main__":
     # Example usage
     radius = 5
@@ -86,4 +125,7 @@ if __name__=="__main__":
     angles, coordinates = polar_to_cartesian(radius, start_angle, end_angle, step_size, clockwise=True)
 
     print('\n', "Angles:", angles, '\n')
-    print("Coordinates:", coordinates, '\n',)
+    print("Coordinates:", coordinates, '\n',)
+    
+    print(generate_coord_list_fixed_angle(10, 5, 1, reverse=False))
+