def test_bounds():
""" Testing that the geometry bounds are calculated correctly """
linestring = LineString([Point(0, 1), Point(1, 0)])
registry = ArrayBase.initialize_line_registry()
line_pvarray = LinePVArray(geometry=linestring,
line_type='ground',
shaded=True)
_ = registry.pvgeometry.add([line_pvarray])
assert registry.pvgeometry.bounds.values[0].tolist() == [0., 0., 1., 1.]
def test_add_linepvarray_to_registry():
""" Testing that the lines are added correctly to the registry """
linestring = LineString([Point(0, 1), Point(1, 0)])
registry = ArrayBase.initialize_line_registry()
line_pvarray = LinePVArray(geometry=linestring,
line_type='ground',
shaded=True)
_ = registry.pvgeometry.add([line_pvarray])
assert registry.geometry.values[0] == linestring
def test_split_ground_geometry_from_edge_points():
""" Testing that the geometry bounds are calculated correctly """
linestring = LineString([Point(0, 0), Point(2, 0)])
registry = ArrayBase.initialize_line_registry()
line_pvarray = LinePVArray(geometry=linestring,
line_type='ground',
shaded=True)
_ = registry.pvgeometry.add([line_pvarray])
list_edge_points = [Point(1, 0)]
registry.pvgeometry.split_ground_geometry_from_edge_points(
list_edge_points)
assert (registry.geometry.values[0] == LineString([(0, 0), (1, 0)]))
assert (registry.geometry.values[1] == LineString([(1, 0), (2, 0)]))
def test_split_pvrow_geomtry():
""" Testing that the pvrow geometry is split up correctly by line """
linestring = LineString([Point(0, 0), Point(2, 2)])
registry = ArrayBase.initialize_line_registry()
line_pvarray = LinePVArray(geometry=linestring,
line_type='pvrow',
shaded=True)
_ = registry.pvgeometry.add([line_pvarray])
linestring_shadow = LineString([Point(0, 2), Point(2, 0)])
# Split pvrow using shadow linestring
registry.pvgeometry.split_pvrow_geometry(0, linestring_shadow, Point(2, 2))
assert registry.geometry.values[0] == LineString([(1, 1), (2, 2)])
assert registry.geometry.values[1] == LineString([(0, 0), (1, 1)])
def create_lines(self, tilt, index):
"""
Create the :class:`pvcore.LinePVArray` objects that the PV row
is made out of, based on the inputted geometrical parameters.
:param float tilt: tilt angle of the PV row [deg]
:param int index: PV row index, used to distinguish different PV rows
:return: [line_pvarray], highest_point, lowest_point,
right_point, left_point, director_vector, normal_vector // which
are: list of :class:`pvcore.LinePVArray`;
:class:`shapely.Point` of the line with biggest y coordinate;
:class:`shapely.Point` of the line with smallest y coordinate;
:class:`shapely.Point` of the line with biggest x coordinate;
:class:`shapely.Point` of the line with smallest x coordinate;
list of 2 coordinates for director vector of the line; list of
2 coordinates for normal vector of the line
"""
tilt_rad = np.radians(tilt)
# Create the three trackers
radius = self.width / 2.
x1 = radius * np.cos(tilt_rad + np.pi) + self.x_center
y1 = radius * np.sin(tilt_rad + np.pi) + self.y_center
x2 = radius * np.cos(tilt_rad) + self.x_center
y2 = radius * np.sin(tilt_rad) + self.y_center
highest_point = Point(x2, y2) if y2 >= y1 else Point(x1, y1)
lowest_point = Point(x1, y1) if y2 >= y1 else Point(x2, y2)
right_point = Point(x2, y2) if x2 >= x1 else Point(x1, y1)
left_point = Point(x1, y1) if x2 >= x1 else Point(x2, y2)
# making sure director_vector[0] >= 0
director_vector = [x2 - x1, y2 - y1]
# making sure normal_vector[1] >= 0
normal_vector = [-director_vector[1], director_vector[0]]
geometry = LineString([(x1, y1), (x2, y2)])
line_pvarray = LinePVArray(geometry=geometry,
line_type='pvrow',
shaded=False,
pvrow_index=index)
return ([line_pvarray], highest_point, lowest_point, right_point,
left_point, director_vector, normal_vector)
def test_cut_pvrow_geometry():
""" Testing that the pvrow geometry is discretized as expected """
linestring = LineString([Point(0, 0), Point(2, 2)])
registry = ArrayBase.initialize_line_registry()
line_pvarray = LinePVArray(geometry=linestring,
line_type='pvrow',
shaded=True)
_ = registry.pvgeometry.add([line_pvarray])
registry['surface_side'] = 'front'
registry['pvrow_index'] = 0
list_points = [Point(1, 1)]
pvrow_index = 0
side = 'front'
registry.pvgeometry.cut_pvrow_geometry(list_points, pvrow_index, side)
assert registry.geometry.values[1] == LineString([(1, 1), (2, 2)])
assert registry.geometry.values[0] == LineString([(0, 0), (1, 1)])
def create_lines(self, tilt, index):
"""
Create the :class:`pvcore.LinePVArray` objects that the PV row
is made out of, based on the inputted geometrical parameters.
:param float tilt: Surface tilt angles in decimal degrees.
surface_tilt must be >=0 and <=180.
The tilt angle is defined as degrees from horizontal
:param int index: PV row index, used to distinguish different PV rows
:return: [line_pvarray], highest_point, lowest_point,
right_point, left_point / which
are: list of :class:`pvcore.LinePVArray`;
:class:`shapely.Point` of the line with biggest y coordinate;
:class:`shapely.Point` of the line with smallest y coordinate;
:class:`shapely.Point` of the line with biggest x coordinate;
:class:`shapely.Point` of the line with smallest x coordinate
"""
tilt_rad = np.radians(tilt)
# Create the three trackers
radius = self.width / 2.
x1 = radius * np.cos(tilt_rad + np.pi) + self.x_center
y1 = radius * np.sin(tilt_rad + np.pi) + self.y_center
x2 = radius * np.cos(tilt_rad) + self.x_center
y2 = radius * np.sin(tilt_rad) + self.y_center
highest_point = Point(x2, y2)
lowest_point = Point(x1, y1)
right_point = Point(x2, y2) if x2 >= x1 else Point(x1, y1)
left_point = Point(x1, y1) if x2 >= x1 else Point(x2, y2)
geometry = LineString([(x1, y1), (x2, y2)])
line_pvarray = LinePVArray(geometry=geometry,
line_type='pvrow',
shaded=False,
pvrow_index=index)
return ([line_pvarray], highest_point, lowest_point, right_point,
left_point)
