def test_view():
vpl.auto_figure(True)
vpl.close()
grads = np.array(vpl.geometry.orthogonal_bases(np.random.rand(3)))
point = np.random.uniform(-10, 10, 3)
vpl.quiver(np.broadcast_to(point, (3, 3)), grads, color=np.eye(3))
vpl.view(focal_point=point, camera_position=point - grads[0],
up_view=grads[1])
vpl.reset_camera()
vpl.text("Should be looking in the direction of the red arrow, "
"with the green arrow pointing up")
# Linux seems to need an extra prod to render this for some reason.
vpl.show(block=False)
def test_text():
text = vpl.text("spaghetti", (100, 150), color="g")
assert text.text == "spaghetti"
assert np.all(text.position[:2] == (100, 150))
assert np.all(text.color == vpl.colors.as_rgb_a("g")[0])
text.text = "not spaghetti"
assert text.actor.GetInput() == text.text == "not spaghetti"
def test_view(self):
vpl.auto_figure(True)
vpl.close()
grads = np.array(vpl.geometry.orthogonal_bases(np.random.rand(3)))
point = np.random.uniform(-10, 10, 3)
vpl.quiver(np.broadcast_to(point, (3, 3)), grads, color=np.eye(3))
vpl.view(focal_point=point,
camera_position=point - grads[0],
up_view=grads[1])
# vpl.view(camera_direction=grads[0],
# up_view=grads[1],
# )
#
vpl.reset_camera()
# vpl.view(point)
vpl.text(
"Should be looking in the direction of the red arrow, with the green arrow pointing up"
)
vpl.show()
def _mouse_move_cb(self, invoker, name):
if self._click_location:
self.pick.update()
if self._clicks_are_equal(self._click_location,
self.pick.point_2D):
return
self._click_location = None
# Only calling the super event with the mouse button down (which rotates
# the model for left click) when we are sure that this click is not
# meant to place a marker reduces the slight jolt when you click on with
# a sensitive mouse. Move the lines below to the top of this method to
# see what I mean.
if self._super_on_mouse_move:
call_super_callback()
if __name__ == "__main__":
import vtkplotlib as vpl
fig = vpl.QtFigure2()
style = fig.style
balls = vpl.quick_test_plot()
rabbit = vpl.mesh_plot(vpl.data.get_rabbit_stl())
rabbit.vertices -= [i.mean() for i in vpl.unzip_axes(rabbit.vertices)]
rabbit.vertices /= 5
text = vpl.text("text")
vpl.show()
# @position.setter
# def position(self, position):
# if self.use_pixels:
# self._position = position
# else:
# self._position = tuple(int(i * j) for (i, j) in zip(position, self.fig.render_size))
@property
def text(self):
return self.actor.GetInput()
@text.setter
def text(self, text_str):
if not isinstance(text_str, str):
text_str = str(text_str)
self.actor.SetInput(text_str)
def resize_event_cb(*args):
# print(args)
self.actor.SetPosition(*(i // 2 for i in fig.render_size))
if __name__ == "__main__":
import vtkplotlib as vpl
fig = vpl.figure()
fig.renWin.AddObserver(vtk.vtkCommand.ModifiedEvent, resize_event_cb)
self = vpl.text("eggs", (100, 200))
vpl.show()
def test_text(self):
vpl.text("text", (100, 100), color="g")
vpl.show()
def test_zoom():
vpl.scatter(np.random.uniform(-20, 20, (30, 3)), color="r")
vpl.show(block=False)
balls_to_ignore = vpl.scatter(np.random.uniform(-50, 50, (30, 3)))
vpl.text("This should be ignored by zoom.")
vpl.zoom_to_contents(plots_to_exclude=balls_to_ignore)
def test_legend():
import vtkplotlib as vpl
self = vpl.legend(None, fig=None)
assert self.fig is None
assert self.length == 0
vpl.gcf().add_plot(self)
self.set_entry(label="Blue Square", color="blue")
sphere = vpl.scatter([0, 5, 10], color="g", fig=None, label="Ball")
self.set_entry(sphere, color="b")
self.set_entry(
sphere,
"Green ball",
)
rabbit = vpl.mesh_plot(vpl.data.get_rabbit_stl())
self.set_entry(rabbit, "rabbit")
rabbit_wire = vpl.plot(rabbit.vectors,
color=rabbit.vectors[:, :, 0],
label="octopus")
self.set_entry(rabbit_wire)
assert self.legend.GetEntryString(self.length - 1) == "octopus"
# self.set_entry(vpl.quiver(np.zeros(3), np.array([-1, 0, 1])), "right")
self.set_entry(None, label="shark", icon=vpl.data.ICONS["Right"])
for size in ((.3, .4), (.3, .4, 0)):
self.size = size
assert np.array_equal(self.size, [.3, .4, 0])
position = np.array(1) - self.size
self.position = position
assert np.array_equal(self.position, position)
with pytest.raises(TypeError):
self.set_entry(object())
length = self.length
for i in range(2):
eggs = vpl.text3d("eggs", label="eggs")
self.add_plots([eggs])
# Re-adding labels shouldn't cause the legend to grow
assert self.length == length + 1
vpl.text("text")
auto_legend = vpl.legend(position=(0, 0))
auto_legend_no_label = vpl.legend(position=(0, .7),
allow_no_label=True,
allow_non_polydata_plots=True,
color=(.2, .3, .4, .5))
assert auto_legend_no_label.color == (.2, .3, .4)
assert auto_legend_no_label.opacity == .5
self.set_entry(vpl.scatter(np.arange(12).reshape((-1, 3)),
label="scatter"),
label="fish",
index=self.length + 3)
self.add_plots(vpl.gcf().plots)
def test_text():
vpl.text("text", (100, 100), color="g")