Merge pull request #920 from compas-dev/occ-nurbs

Integrate OCC nurbs through pluggables

Author: tomvanmele

CHANGELOG.md

@@ -11,6 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Add abstract methods to `compas_rhino.artists.volmeshartist`.
 
+* Added `compas.geometry.Curve` and `compas.geometry.NurbsCurve`.
+* Added `compas.geometry.Surface` and `compas.geometry.NurbsSurface`.
+* Added pluggables for `compas.geometry.NurbsCurve.__new__`, `compas.geometry.NurbsCurve.from_parameters`, `compas.geometry.NurbsCurve.from_points`, `compas.geometry.NurbsCurve.from_interpolation`, `compas.geometry.NurbsCurve.from_step`.
+* Added pluggables for `compas.geometry.NurbsSurface.__new__`, `compas.geometry.NurbsSurface.from_parameters`, `compas.geometry.NurbsSurface.from_points`, `compas.geometry.NurbsSurface.from_fill`, `compas.geometry.NurbsSurface.from_step`.
+
 ### Changed
 
 * Fixed bug in directions of `compas.datastructures.Mesh.from_meshgrid`.

src/compas/geometry/__init__.py

@@ -92,6 +92,28 @@
     Translation
 
 
+Curves
+------
+
+.. autosummary::
+    :toctree: generated/
+    :nosignatures:
+
+    Curve
+    NurbsCurve
+
+
+Surfaces
+--------
+
+.. autosummary::
+    :toctree: generated/
+    :nosignatures:
+
+    Surface
+    NurbsSurface
+
+
 Functions
 =========
 
@@ -948,6 +970,16 @@
         PointCollectionNumpy
     )
 
+from .curves import (
+    Curve,
+    NurbsCurve
+)
+
+from .surfaces import (
+    Surface,
+    NurbsSurface
+)
+
 __all__ = [
     'close',
     'allclose',
@@ -1250,6 +1282,12 @@
 
     'Collection',
     'PointCollection',
+
+    'Curve',
+    'NurbsCurve',
+
+    'Surface',
+    'NurbsSurface'
 ]
 
 if not compas.IPY:
@@ -1275,5 +1313,5 @@
         'delaunay_from_points_numpy',
         'voronoi_from_points_numpy',
         'CollectionNumpy',
-        'PointCollectionNumpy'
+        'PointCollectionNumpy',
     ]

src/compas/geometry/curves/__init__.py

@@ -0,0 +1,4 @@
+from __future__ import absolute_import
+
+from .curve import Curve  # noqa: F401
+from .nurbs import NurbsCurve  # noqa: F401

src/compas/geometry/curves/curve.py

@@ -0,0 +1,9 @@
+from __future__ import print_function
+from __future__ import absolute_import
+from __future__ import division
+
+from compas.data import Data
+
+
+class Curve(Data):
+    """Base class for curves."""