diff options
Diffstat (limited to 'gerber/primitives.py')
| -rw-r--r-- | gerber/primitives.py | 67 |
1 files changed, 51 insertions, 16 deletions
diff --git a/gerber/primitives.py b/gerber/primitives.py index 366c397..670b758 100644 --- a/gerber/primitives.py +++ b/gerber/primitives.py @@ -19,11 +19,15 @@ from operator import sub class Primitive(object):
+
+ def __init__(self, level_polarity='dark'):
+ self.level_polarity = level_polarity
+
def bounding_box(self):
""" Calculate bounding box
will be helpful for sweep & prune during DRC clearance checks.
-
+
Return ((min x, max x), (min y, max y))
"""
pass
@@ -32,16 +36,19 @@ class Primitive(object): class Line(Primitive):
"""
"""
- def __init__(self, start, end, width):
+ def __init__(self, start, end, width, level_polarity='dark'):
+ super(Line, self).__init__(level_polarity)
self.start = start
self.end = end
self.width = width
-
+
@property
def angle(self):
- dx, dy = tuple(map(sub, end, start))
- angle = degrees(math.tan(dy/dx))
+ delta_x, delta_y = tuple(map(sub, end, start))
+ angle = degrees(math.tan(delta_y/delta_x))
+ return angle
+ @property
def bounding_box(self):
width_2 = self.width / 2.
min_x = min(self.start[0], self.end[0]) - width_2
@@ -54,7 +61,8 @@ class Line(Primitive): class Arc(Primitive):
"""
"""
- def __init__(self, start, end, center, direction, width):
+ def __init__(self, start, end, center, direction, width, level_polarity='dark'):
+ super(Arc, self).__init__(level_polarity)
self.start = start
self.end = end
self.center = center
@@ -71,17 +79,23 @@ class Arc(Primitive): dy, dx = map(sub, self.end, self.center)
return math.atan2(dy, dx)
+ @property
def bounding_box(self):
pass
class Circle(Primitive):
"""
"""
- def __init__(self, position, diameter):
+ def __init__(self, position, diameter, level_polarity='dark'):
+ super(Circle, self).__init__(level_polarity)
self.position = position
self.diameter = diameter
- self.radius = diameter / 2.
+ @property
+ def radius(self):
+ return self.diameter / 2.
+
+ @property
def bounding_box(self):
min_x = self.position[0] - self.radius
max_x = self.position[0] + self.radius
@@ -89,11 +103,16 @@ class Circle(Primitive): max_y = self.position[1] + self.radius
return ((min_x, max_x), (min_y, max_y))
+ @property
+ def stroke_width(self):
+ return self.diameter
+
class Rectangle(Primitive):
"""
"""
- def __init__(self, position, width, height):
+ def __init__(self, position, width, height, level_polarity='dark'):
+ super(Rectangle, self).__init__(level_polarity)
self.position = position
self.width = width
self.height = height
@@ -108,6 +127,7 @@ class Rectangle(Primitive): return (self.position[0] + (self.width / 2.),
self.position[1] + (self.height / 2.))
+ @property
def bounding_box(self):
min_x = self.lower_left[0]
max_x = self.upper_right[0]
@@ -115,11 +135,16 @@ class Rectangle(Primitive): max_y = self.upper_right[1]
return ((min_x, max_x), (min_y, max_y))
+ @property
+ def stroke_width(self):
+ return max((self.width, self.height))
+
class Obround(Primitive):
"""
"""
- def __init__(self, position, width, height)
+ def __init__(self, position, width, height, level_polarity='dark'):
+ super(Obround, self).__init__(level_polarity)
self.position = position
self.width = width
self.height = height
@@ -138,6 +163,7 @@ class Obround(Primitive): return (self.position[0] + (self.width / 2.),
self.position[1] + (self.height / 2.))
+ @property
def bounding_box(self):
min_x = self.lower_left[0]
max_x = self.upper_right[0]
@@ -149,11 +175,13 @@ class Obround(Primitive): class Polygon(Primitive):
"""
"""
- def __init__(self, position, sides, radius):
+ def __init__(self, position, sides, radius, level_polarity='dark'):
+ super(Polygon, self).__init__(level_polarity)
self.position = position
self.sides = sides
self.radius = radius
-
+
+ @property
def bounding_box(self):
min_x = self.position[0] - self.radius
max_x = self.position[0] + self.radius
@@ -165,9 +193,11 @@ class Polygon(Primitive): class Region(Primitive):
"""
"""
- def __init__(self, points):
+ def __init__(self, points, level_polarity='dark'):
+ super(Region, self).__init__(level_polarity)
self.points = points
-
+
+ @property
def bounding_box(self):
x_list, y_list = zip(*self.points)
min_x = min(x_list)
@@ -181,10 +211,15 @@ class Drill(Primitive): """
"""
def __init__(self, position, diameter):
+ super(Drill, self).__init__('dark')
self.position = position
self.diameter = diameter
- self.radius = diameter / 2.
-
+
+ @property
+ def radius(self):
+ return self.diameter / 2.
+
+ @property
def bounding_box(self):
min_x = self.position[0] - self.radius
max_x = self.position[0] + self.radius
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