def test_equality():
"""Test the equality and duplicatiion of of Compass objects."""
compass = Compass(radius=100)
compass_dup = compass.duplicate()
compass_alt = Compass(radius=200)
assert compass is compass
assert compass is not compass_dup
assert compass == compass_dup
assert compass != compass_alt
def test_init_compass():
"""Test the initialization of Compass and basic properties."""
compass = Compass()
str(compass) # test the string representation
hash(compass) # test to be sure the compass is hash-able
assert compass.radius == 100
assert compass.center == Point2D()
assert compass.north_angle == 0
assert compass.north_vector == Vector2D(0, 1)
assert compass.spacing_factor == 0.15
assert compass.min_point.is_equivalent(Point2D(-115.0, -115.0), 0.01)
assert compass.max_point.is_equivalent(Point2D(115.0, 115.0), 0.01)
assert isinstance(compass.inner_boundary_circle, Arc2D)
assert len(compass.all_boundary_circles) == 3
for circ in compass.all_boundary_circles:
assert isinstance(circ, Arc2D)
assert len(compass.major_azimuth_points) == len(compass.MAJOR_AZIMUTHS)
for pt in compass.major_azimuth_points:
assert isinstance(pt, Point2D)
assert len(compass.major_azimuth_ticks) == len(compass.MAJOR_AZIMUTHS)
for lin in compass.major_azimuth_ticks:
assert isinstance(lin, LineSegment2D)
assert len(compass.minor_azimuth_points) == len(compass.MINOR_AZIMUTHS)
for pt in compass.minor_azimuth_points:
assert isinstance(pt, Point2D)
assert len(compass.minor_azimuth_ticks) == len(compass.MINOR_AZIMUTHS)
for lin in compass.minor_azimuth_ticks:
assert isinstance(lin, LineSegment2D)
assert isinstance(compass.min_point3d(), Point3D)
assert isinstance(compass.max_point3d(), Point3D)
def test_compass_orthographic():
"""Test the orthographic properties of the Compass."""
compass = Compass()
assert len(compass.orthographic_altitude_points) == len(compass.ALTITUDES)
for pt in compass.orthographic_altitude_points:
assert isinstance(pt, Point2D)
assert len(compass.orthographic_altitude_circles) == len(compass.ALTITUDES)
for lin in compass.orthographic_altitude_circles:
assert isinstance(lin, Arc2D)
def test_label_points_from_angles():
"""Test the label_points_from_angles method."""
compass = Compass()
angles = list(range(0, 360, 30))
pts = compass.label_points_from_angles(angles)
assert len(pts) == len(angles)
for pt in pts:
assert isinstance(pt, Point2D)
lines = compass.ticks_from_angles(angles)
assert len(lines) == len(angles)
for lin in lines:
assert isinstance(lin, LineSegment2D)
def test_set_properties():
"""Test the initialization of Compass and basic properties."""
compass = Compass()
compass.radius = 200
assert compass.radius == 200
compass.center = Point2D(200, 0)
assert compass.center == Point2D(200, 0)
compass.north_angle = 10
assert compass.north_angle == 10
assert compass.north_vector != Vector2D(0, 1)
compass.spacing_factor = 0.2
assert compass.spacing_factor == 0.2
assert compass.min_point.is_equivalent(Point2D(-40.0, -240.0), 0.01)
assert compass.max_point.is_equivalent(Point2D(440.0, 240.0), 0.01)
title, all_sun_pts, all_analemma, all_daily, all_compass, all_col_pts, all_legends = \
[], [], [], [], [], [], []
for i, data in enumerate(data_):
try: # sense when several legend parameters are connected
lpar = legend_par_[i]
except IndexError:
lpar = None if len(legend_par_) == 0 else legend_par_[-1]
# move the center point so sun paths are not on top of one another
fac = i * radius * 3
center_pt_i = Point2D(center_pt.x + fac, center_pt.y)
center_pt3d_i = Point3D(center_pt3d.x + fac, center_pt3d.y,
center_pt3d.z)
# create the ladybug compass object
lb_compass = Compass(radius, center_pt_i, north_)
# create a graphic container to generate colors and legends
n_data = data.filter_by_moys(
moys) # filter data collection by sun-up hours
graphic = GraphicContainer(n_data.values,
lb_compass.min_point3d(z),
lb_compass.max_point3d(z), lpar,
n_data.header.data_type,
n_data.header.unit)
all_legends.append(legend_objects(graphic.legend))
title.append(
text_objects(title_text(n_data), graphic.lower_title_location,
graphic.legend_parameters.text_height,
graphic.legend_parameters.font))
result.append(from_arc2d(circle, z))
# generate the labels and tick marks for the azimuths
for line in compass.major_azimuth_ticks:
result.append(from_linesegment2d(line, z))
for txt, pt in zip(compass.MAJOR_TEXT, compass.major_azimuth_points):
result.append(
text_objects(txt, Plane(o=Point3D(pt.x, pt.y, z), x=xaxis),
maj_txt, font, 1, 3))
return result
# set defaults for all of the
if _north_ is not None: # process the _north_
try:
_north_ = math.degrees(
to_vector2d(_north_).angle_clockwise(Vector2D(0, 1)))
except AttributeError: # north angle instead of vector
_north_ = float(_north_)
else:
_north_ = 0
if _center_ is not None: # process the center point into a Point2D
center_pt, z = to_point2d(_center_), to_point3d(_center_).z
else:
center_pt, z = Point2D(), 0
_scale_ = 1 if _scale_ is None else _scale_ # process the scale into a radius
radius = (10 * _scale_) / conversion_to_meters()
# create the compass
compass = translate_compass(Compass(radius, center_pt, _north_, 1), z)
def draw_dome(dome_data, center, dome_name, legend_par):
"""Draw the dome mesh, compass, legend, and title for a sky dome.
Args:
dome_data: List of radiation values for the dome data
center: Point3D for the center of the sun path.
dome_name: Text for the dome name, which will appear in the title.
legend_par: Legend parameters to be used for the dome
Returns:
dome_mesh: A colored mesh for the dome based on dome_data.
dome_compass: A compass for the dome.
dome_legend: A leend for the colored dome mesh.
dome_title: A title for the dome.
values: A list of radiation values that align with the dome_mesh faces.
"""
# create the dome mesh and ensure patch values align with mesh faces
if len(dome_data) == 145: # tregenza sky
lb_mesh = view_sphere.tregenza_dome_mesh_high_res.scale(radius)
values = [] # high res dome has 3 x 3 faces per patch; we must convert
tot_i = 0 # track the total number of patches converted
for patch_i in view_sphere.TREGENZA_PATCHES_PER_ROW:
row_vals = []
for val in dome_data[tot_i:tot_i + patch_i]:
row_vals.extend([val] * 3)
for i in range(3):
values.extend(row_vals)
tot_i += patch_i
values = values + [dome_data[-1]
] * 18 # last patch has triangular faces
else: #reinhart sky
lb_mesh = view_sphere.reinhart_dome_mesh.scale(radius)
values = dome_data + [dome_data[-1]
] * 11 # last patch has triangular faces
# move and/or rotate the mesh as needed
if north != 0:
lb_mesh = lb_mesh.rotate_xy(math.radians(north), Point3D())
if center != Point3D():
lb_mesh = lb_mesh.move(Vector3D(center.x, center.y, center.z))
# project the mesh if requested
if projection_ is not None:
if projection_.title() == 'Orthographic':
pts = (Compass.point3d_to_orthographic(pt)
for pt in lb_mesh.vertices)
elif projection_.title() == 'Stereographic':
pts = (Compass.point3d_to_stereographic(pt, radius, center)
for pt in lb_mesh.vertices)
else:
raise ValueError(
'Projection type "{}" is not recognized.'.format(projection_))
pts3d = tuple(Point3D(pt.x, pt.y, z) for pt in pts)
lb_mesh = Mesh3D(pts3d, lb_mesh.faces)
# output the dome visualization, including legend and compass
move_fac = radius * 0.15
min_pt = lb_mesh.min.move(Vector3D(-move_fac, -move_fac, 0))
max_pt = lb_mesh.max.move(Vector3D(move_fac, move_fac, 0))
graphic = GraphicContainer(values, min_pt, max_pt, legend_par)
graphic.legend_parameters.title = 'kWh/m2'
lb_mesh.colors = graphic.value_colors
dome_mesh = from_mesh3d(lb_mesh)
dome_legend = legend_objects(graphic.legend)
dome_compass = compass_objects(
Compass(radius, Point2D(center.x, center.y), north), z, None,
projection_, graphic.legend_parameters.font)
# construct a title from the metadata
st, end = metadata[2], metadata[3]
time_str = '{} - {}'.format(st, end) if st != end else st
title_txt = '{} Radiation\n{}\n{}'.format(
dome_name, time_str, '\n'.join([dat for dat in metadata[4:]]))
dome_title = text_objects(title_txt, graphic.lower_title_location,
graphic.legend_parameters.text_height,
graphic.legend_parameters.font)
return dome_mesh, dome_compass, dome_legend, dome_title, values