From 3641258227502b413e912b6012dd938f4b98256c Mon Sep 17 00:00:00 2001
From: pacome <pacome.armagnat@gmail.com>
Date: Mon, 17 Sep 2018 19:46:23 +0200
Subject: [PATCH] Add center argument to Rectangle definition
---
poisson/continuous/shapes.py | 98 ++++++++++++++++++++++++++++--------
1 file changed, 77 insertions(+), 21 deletions(-)
diff --git a/poisson/continuous/shapes.py b/poisson/continuous/shapes.py
index 1a322fa..99988fe 100644
--- a/poisson/continuous/shapes.py
+++ b/poisson/continuous/shapes.py
@@ -461,13 +461,12 @@ class General(Shape):
def geometry(self, x):
return self.func(x)
-
class Rectangle(General):
'''
Define a rectangle
'''
- def __init__(self, length, corner=None):
+ def __init__(self, length, corner=None, center=None):
'''
Class that defines a rectangular shape.
When called and a numpy array is given as parameter it returns a boolean
@@ -482,6 +481,11 @@ class Rectangle(General):
the lengths of the sides
if Ly (Lz) is None, Ly (Lz) will be equal to Lx
(usefull to quickly draw cubes)
+ center = (x0, y0, z0) : numbers
+ overwrites the corner argument
+ if center=None the corner will be used
+ the lower left corner of the (if z0 si None will be 2d)
+
Returns:
--------
func: function
@@ -491,9 +495,9 @@ class Rectangle(General):
super().__init__()
self.length=length
self.corner=corner
+ self.center=center
self.prepare_param()
-
def prepare_param(self):
if isinstance(self.length, (int, float)):
@@ -508,6 +512,9 @@ class Rectangle(General):
self.corner = np.asanyarray(self.corner)
+ if self.center is not None:
+ self.center = np.asarray(self.center)
+
assert len(self.length) == len(self.corner), (
'The corner does not have the same'
+ ' size as length / or a corner has'
@@ -525,32 +532,61 @@ class Rectangle(General):
if len(x.shape) > 1:
if len(self.length) == 3:
- return ((self.corner[0] <= x[:, 0])
- * (x[:, 0] <= self.corner[0] + self.length[0])
- * (self.corner[1] <= x[:, 1])
- * (x[:, 1] <= self.corner[1] + self.length[1])
- * (self.corner[2] <= x[:, 2])
- * (x[:, 2] <= self.corner[2] + self.length[2]))
+ if self.center is None:
+ return ((self.corner[0] <= x[:, 0])
+ * (x[:, 0] <= self.corner[0] + self.length[0])
+ * (self.corner[1] <= x[:, 1])
+ * (x[:, 1] <= self.corner[1] + self.length[1])
+ * (self.corner[2] <= x[:, 2])
+ * (x[:, 2] <= self.corner[2] + self.length[2]))
+ else:
+ return ((self.center[0] - self.length[0]/2 <= x[:, 0])
+ * (x[:, 0] <= self.center[0] + self.length[0]/2)
+ * (self.center[1] - self.length[1]/2 <= x[:, 1])
+ * (x[:, 1] <= self.center[1] + self.length[1]/2)
+ * (self.center[2] - self.length[2]/2 <= x[:, 2])
+ * (x[:, 2] <= self.center[2] + self.length[2]/2))
+
else:
- return ((self.corner[0] <= x[:, 0])
+ if self.center is None:
+ return ((self.corner[0] <= x[:, 0])
* (x[:, 0] <= self.corner[0] + self.length[0])
* (self.corner[1] <= x[:, 1])
* (x[:, 1] <= self.corner[1] + self.length[1]))
+ else:
+ return ((self.center[0] - self.length[0]/2 <= x[:, 0])
+ * (x[:, 0] <= self.center[0] + self.length[0]/2)
+ * (self.center[1] - self.length[1]/2 <= x[:, 1])
+ * (x[:, 1] <= self.center[1] + self.length[1]/2))
else:
if len(self.length) == 3:
- return ((self.corner[0] <= x[0]
- <= self.corner[0] + self.length[0])
- and (self.corner[1] <= x[1]
- <= self.corner[1] + self.length[1])
- and (self.corner[2] <= x[2]
- <= self.corner[2] + self.length[2]))
- else:
- return ((self.corner[0] <= x[0]
- <= self.corner[0] + self.length[0])
- and (self.corner[1] <= x[1]
- <= self.corner[1] + self.length[1]))
+ if self.center is None:
+ return ((self.corner[0] <= x[0]
+ <= self.corner[0] + self.length[0])
+ and (self.corner[1] <= x[1]
+ <= self.corner[1] + self.length[1])
+ and (self.corner[2] <= x[2]
+ <= self.corner[2] + self.length[2]))
+ else:
+ return ((self.center[0] - self.length[0]/2 <= x[0]
+ <= self.center[0] + self.length[0]/2)
+ and (self.center[1] - self.length[0]/2 <= x[1]
+ <= self.center[1] + self.length[1]/2)
+ and (self.center[2] - self.length[0]/2 <= x[2]
+ <= self.center[2] + self.length[2]/2))
+ else:
+ if self.center is None:
+ return ((self.corner[0] <= x[0]
+ <= self.corner[0] + self.length[0])
+ and (self.corner[1] <= x[1]
+ <= self.corner[1] + self.length[1]))
+ else:
+ return ((self.center[0] - self.length[0]/2 <= x[0]
+ <= self.center[0] + self.length[0]/2)
+ and (self.center[1] - self.length[0]/2 <= x[1]
+ <= self.center[1] + self.length[1]/2))
class Ellipsoid(General):
'''
@@ -994,6 +1030,26 @@ def __test_plot_rectangle():
plt.scatter(x, y, c=mesh.point_label)
plt.show()
+def __test_plot_rectangle_center():
+ rect1 = Rectangle(length=4, center=[2, 2])
+ rect2 = Rectangle(length=2, center=[2, 2])
+ rect3 = Rectangle(length=1, center=[2, 2])
+
+ bbox1 = [0, 4, 0, 4]
+ bbox2 = [1, 3, 1, 3]
+
+ mesh1 = (bbox1, 0.15, rect1, 0)
+ mesh2 = (bbox2, 0.1, rect2, 1)
+ hole1 = (rect3)
+ points = ([[2, 2]], 2)
+
+ mesh = GridBuilder(meshs=[mesh1, mesh2], holes=[hole1],
+ points=[points])
+
+ x, y = list(zip(*mesh.points))
+ plt.scatter(x, y, c=mesh.point_label)
+ plt.show()
+
def __test_plot_ellipse_circ():
--
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