set a fake proj_str for builder calls without the proj_str parameter

mosstool/map/_map_util/const.py

@@ -6,6 +6,8 @@
 
 EPS = 1e-4
 
+DEFAULT_PROJ_STR = "+proj=tmerc +lat_0=0.0 +lon_0=-128.0"
+
 LANE_START_ID = 0_0000_0000
 ROAD_START_ID = 2_0000_0000
 JUNC_START_ID = 3_0000_0000

mosstool/map/builder/builder.py

@@ -3,7 +3,6 @@
 import time
 from collections import defaultdict
 from copy import deepcopy
-from math import atan2
 from multiprocessing import cpu_count
 from typing import (Callable, Dict, List, Literal, Optional, Set, Tuple, Union,
                     cast)
@@ -4350,14 +4349,20 @@ def line2nodes(line):
             for i in j[k]["nodes"]
         ]
         x, y = [*zip(*xy)]
+        _header_proj_str = self.proj_str
+        if _header_proj_str is None:
+            logging.warning(
+                f"Empty proj_str provided, projection in header is set as fake projcetion str: {DEFAULT_PROJ_STR}"
+            )
+            _header_proj_str = DEFAULT_PROJ_STR
         header = {
             "name": name,
             "date": time.strftime("%a %b %d %H:%M:%S %Y"),
             "north": max(y),
             "south": min(y),
             "west": min(x),
             "east": max(x),
-            "projection": self.proj_str,
+            "projection": _header_proj_str,
         }
         logging.info(
             f"{len(self.output_lanes)} Lanes  {len(self.output_roads)} Roads  {len(self.output_junctions)} Juncions"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mosstool"
-version = "0.2.37"
+version = "0.2.38"
 description = "MObility Simulation System toolbox "
 authors = ["Jun Zhang <[email protected]>"]
 license = "MIT"