def test_data_mesh():
"""Test the data_mesh meshod."""
path = './tests/fixtures/epw/tokyo.epw'
epw = EPW(path)
psych_chart = PsychrometricChart(epw.dry_bulb_temperature,
epw.relative_humidity)
test_pt = psych_chart.plot_point(20, 50)
assert isinstance(test_pt, Point2D)
mesh = psych_chart.colored_mesh
assert isinstance(mesh, Mesh2D)
assert len(mesh.faces) > 1
data_mesh, container = psych_chart.data_mesh(epw.wind_speed)
assert isinstance(data_mesh, Mesh2D)
assert len(mesh.faces) == len(data_mesh.faces) > 1
assert isinstance(container, GraphicContainer)
new_pt = Point2D(base_pt.x + move_dist * (i + 1), base_pt.y)
psy_chart = PsychrometricChart(all_data[-2],
all_data[-1],
pressure,
leg_par_by_index(0),
new_pt,
x_dim,
y_dim,
t_min,
t_max,
use_ip=use_ip)
psy_chart.z = z
psy_chart.original_temperature = original_temperature
draw_psych_chart(psy_chart)
psych_chart.append(psy_chart)
lb_mesh, container = psy_chart.data_mesh(
d, leg_par_by_index(i + 1))
mesh.append(from_mesh2d(lb_mesh, z))
legend.append(legend_objects(container.legend))
move_vec = Vector2D(base_pt.x + move_dist * (i + 1), 0)
points.append(
[from_point2d(pt.move(move_vec)) for pt in lb_points])
# add a title for the new chart
title_items = ['{} [{}]'.format(d.header.data_type, d.header.unit)] + \
['{}: {}'.format(key, val) for key, val in d.header.metadata.items()]
title[j + j * len(data_) + (i + 1)].append(
text_objects('\n'.join(title_items),
psy_chart.container.upper_title_location,
psy_chart.legend_parameters.text_height * 1.5,
psy_chart.legend_parameters.font, 0, 0))