feat: more sane arguments

map.py

@@ -1,9 +1,11 @@
 
-from math import *
+import argparse
-import numpy as np
-import sys
 import json
+from math import *
+import os
+import sys
 
+import numpy as np
 from tqdm import tqdm, trange
 
 
@@ -108,22 +110,17 @@ def map_poly(tri, poly, ref=None):
     return mapped
 
 
-if __name__ == '__main__':
+def main(ns):
-    fs = [Face([a, b, c, d]) for a, b, c, d in [
+    with open(ns.faces, 'r') as f:
-          (np.array([1,1,1]), np.array([-1,1,1]), np.array([-1,-1,1]), np.array([1,-1,1])),  # top
-          (np.array([1,1,-1]), np.array([-1,1,-1]), np.array([-1,-1,-1]), np.array([1,-1,-1])),  # bottom
-          (np.array([-1,-1,-1]), np.array([-1,1,-1]), np.array([-1,1,1]), np.array([-1,-1,1])),  # left
-          (np.array([1,-1,-1]), np.array([1,1,-1]), np.array([1,1,1]), np.array([1,-1,1])),  # right
-          (np.array([-1,-1,-1]), np.array([1,-1,-1]), np.array([1,-1,1]), np.array([-1,-1,1])),  # front
-          (np.array([-1,1,-1]), np.array([1,1,-1]), np.array([1,1,1]), np.array([-1,1,1])),  # back
-    ]]
-    with open('countries.geojson', 'r') as f:
         j = json.load(f)
+        faces = [Face([np.array(v)*ns.scale for v in vs]) for vs in j]
+    with open(ns.geojson, 'r') as f:
+        geojson = json.load(f)
 
-    for i, face in tqdm(list(enumerate(fs)), desc='Faces   '):
+    for i, face in tqdm(list(enumerate(faces)), desc='Faces   '):
         countries = {}
         for t in face.tris:
-            for f in tqdm(j['features'], desc='Features', total=len(face.tris)*len(j['features'])):
+            for f in tqdm(geojson['features'], desc='Features', total=len(face.tris)*len(geojson['features'])):
                 cc = f['properties']['ADMIN']
                 if f['geometry']['type'] == 'MultiPolygon':
                     for poly in f['geometry']['coordinates']:
@@ -136,9 +133,11 @@ if __name__ == '__main__':
         maxy = max(v[1] for v in face.plane_coords)
         w = maxx - minx
         h = maxy - miny
-        with open(f'face{i}.svg', 'w') as svg:
+        outfile = ns.out.format(faces=os.path.basename(ns.faces).rsplit('.', 1)[0], geojson=ns.geojson, face=i)
+        os.makedirs(os.path.dirname(outfile), exist_ok=True)
+        with open(outfile, 'w') as svg:
             svg.write(f'<svg xmlns="http://www.w3.org/2000/svg" viewBox="{minx} {miny} {w} {h}" width="{w}" height="{h}" id="face{i}">\n')
-            svg.write(f'  <g id="cut">\n    <path id="outline" fill="none" stroke="black" stroke-width="0.01" d="M {face.plane_coords[0][0]} {face.plane_coords[0][1]}')
+            svg.write(f'  <g id="cut">\n    <path id="outline" fill="none" stroke="black" stroke-width="{0.01*ns.scale}" d="M {face.plane_coords[0][0]} {face.plane_coords[0][1]}')
             for v in face.plane_coords[1:]:
                 svg.write(f' L {v[0]} {v[1]}')
             svg.write(' Z" />\n  </g>\n  <g id="engrave">\n')
@@ -146,9 +145,19 @@ if __name__ == '__main__':
                 if l:
                     svg.write(f'    <g id="{c}">\n')
                     for ls in l:
-                        svg.write(f'      <path fill="none" stroke="red" stroke-width="0.01" d="M {ls[0][0]} {ls[0][1]}')
+                        svg.write(f'      <path fill="none" stroke="red" stroke-width="{0.01*ns.scale}" d="M {ls[0][0]} {ls[0][1]}')
                         for x, y in ls[1:]:
                             svg.write(f' L {x} {y}')
                         svg.write('" />\n')
                     svg.write('    </g>\n')
             svg.write('  </g>\n</svg>\n')
+
+
+if __name__ == '__main__':
+    ap = argparse.ArgumentParser()
+    ap.add_argument('--geojson', '-g', default='countries.geojson')
+    ap.add_argument('--faces', '-f', default='shapes/cube.json')
+    ap.add_argument('--out', '-o', default='faces/{faces}/face{face}.svg')
+    ap.add_argument('--scale', '-s', type=int, default=1)
+    ns = ap.parse_args()
+    main(ns)

shapes/cube.json

@@ -0,0 +1,8 @@
+[
+    [[1,1,1], [-1,1,1], [-1,-1,1], [1,-1,1]],
+    [[1,1,-1], [-1,1,-1], [-1,-1,-1], [1,-1,-1]],
+    [[-1,-1,-1], [-1,1,-1], [-1,1,1], [-1,-1,1]],
+    [[1,-1,-1], [1,1,-1], [1,1,1], [1,-1,1]],
+    [[-1,-1,-1], [1,-1,-1], [1,-1,1], [-1,-1,1]],
+    [[-1,1,-1], [1,1,-1], [1,1,1], [-1,1,1]]
+]

shapes/octahedron.json

@@ -0,0 +1,10 @@
+[
+    [[0,0,1], [-1,0,0], [0,-1,0]],
+    [[0,0,1], [0,-1,0], [1,0,0]],
+    [[0,0,1], [1,0,0], [0,1,0]],
+    [[0,0,1], [0,1,0], [-1,0,0]],
+    [[0,0,-1], [-1,0,0], [0,-1,0]],
+    [[0,0,-1], [0,-1,0], [1,0,0]],
+    [[0,0,-1], [1,0,0], [0,1,0]],
+    [[0,0,-1], [0,1,0], [-1,0,0]]
+]

shapes/tetrahedron.json

@@ -0,0 +1,6 @@
+[
+    [[1,1,1], [1,-1,-1], [-1,1,-1]],
+    [[1,1,1], [1,-1,-1], [-1,-1,1]],
+    [[1,1,1], [-1,1,-1], [-1,-1,1]],
+    [[1,-1,-1], [-1,1,-1], [-1,-1,1]]
+]