Initial commit

parkingkonceptvenv/lib/python3.7/site-packages/matplotlib/projections/__init__.py

@@ -0,0 +1,72 @@
+from .. import axes, cbook
+from .geo import AitoffAxes, HammerAxes, LambertAxes, MollweideAxes
+from .polar import PolarAxes
+
+
+class ProjectionRegistry:
+    """
+    Manages the set of projections available to the system.
+    """
+    def __init__(self):
+        self._all_projection_types = {}
+
+    def register(self, *projections):
+        """
+        Register a new set of projections.
+        """
+        for projection in projections:
+            name = projection.name
+            self._all_projection_types[name] = projection
+
+    def get_projection_class(self, name):
+        """
+        Get a projection class from its *name*.
+        """
+        return self._all_projection_types[name]
+
+    def get_projection_names(self):
+        """
+        Get a list of the names of all projections currently registered.
+        """
+        return sorted(self._all_projection_types)
+
+
+projection_registry = ProjectionRegistry()
+projection_registry.register(
+    axes.Axes,
+    PolarAxes,
+    AitoffAxes,
+    HammerAxes,
+    LambertAxes,
+    MollweideAxes)
+
+
+def register_projection(cls):
+    projection_registry.register(cls)
+
+
+def get_projection_class(projection=None):
+    """
+    Get a projection class from its name.
+
+    If *projection* is None, a standard rectilinear projection is returned.
+    """
+    if projection is None:
+        projection = 'rectilinear'
+
+    try:
+        return projection_registry.get_projection_class(projection)
+    except KeyError:
+        raise ValueError("Unknown projection %r" % projection)
+
+
+@cbook.deprecated("3.1")
+def process_projection_requirements(figure, *args, **kwargs):
+    return figure._process_projection_requirements(*args, **kwargs)
+
+
+def get_projection_names():
+    """
+    Get a list of acceptable projection names.
+    """
+    return projection_registry.get_projection_names()