UPDATE: Moved mapping functions to dedicated coordinate manager class

coordinate_manager.py

@@ -0,0 +1,12 @@
+def mapped_value(value, in_min, in_max, out_min, out_max):
+    return (value - in_min) * (out_max - out_min) / (in_max - in_min) + out_min
+
+class CoordinateManager:
+    def __init__(self, width, height):
+        self.width = width
+        self.height = height
+
+    def coord_to_pixel(self, x, y):
+        mapped_x = mapped_value(x, -4000, 4000, 0, self.width)
+        mapped_y = mapped_value(y, -4000, 4000, 0, self.height)
+        return mapped_x, mapped_y