Allow posts to define zoom level

.generate_maps.py

@@ -41,7 +41,7 @@ def bounds(self) -> s2sphere.LatLngRect:
     def extra_pixel_bounds(self) -> staticmaps.PixelBoundsT:
         w = len(self._text) * self._font_size
         h = self._font_size
-        return (int(-w / 2), int(-h / 2), int(w / 2), int(h / 2))
+        return (int(w / 2), int(h / 2), int(w / 2), int(h / 2))
 
     def render_svg(self, renderer: staticmaps.SvgRenderer) -> None:
         x, y = renderer.transformer().ll2pixel(self.latlng())
@@ -111,6 +111,9 @@ def render_svg(self, renderer: staticmaps.SvgRenderer) -> None:
                 for label in labels:
                     context.add_object(label)
 
+                if "zoom" in post_map:
+                    context.set_zoom(int(post_map["zoom"]))
+
                 map_name = post_map["name"]
                 map_path = f"{IMAGE_DIR}/{map_name}.svg"
                 exists_already = os.path.isfile(map_path)

_includes/map.html

@@ -1,7 +1,7 @@
 {% assign point_names = "Unknown" | split: "," %}
 {% for map in page.maps %}
 {% if map.name == include.name %}
-{% assign point_names = map.points | map: "name" %}
+{% assign point_names = map.points | map: "name" | compact %}
 {% endif %}
 {% endfor %}