hline(0) not in correction position when plotting with object model
See original GitHub issuevline(0) appears in the right place, but hline(0) does not. hline(0) seems to always be positioned at the minimum y value on the axis, rather than at y=0.
from bqplot import *
from bqplot.pyplot import vline, hline
import numpy as np
np.random.seed(3)
x_data = np.random.randn(1, 10)[0] + 1
y_data = np.random.randn(1, 10)[0] + 1
sc_x = LinearScale()
sc_y = LinearScale()
scales_dict = {'x': sc_x, 'y': sc_y}
scatt = Scatter(x=x_data, y=y_data, scales=scales_dict)
ax_x = Axis(scale=sc_x, label='x')
ax_y = Axis(scale=sc_y, orientation='vertical', label='y')
vline_mark = vline(0, scales = scales_dict)
hline_mark = hline(0, scales = scales_dict)
fig = Figure(marks=[scatt, vline_mark, hline_mark], axes=[ax_x, ax_y], animation_duration=1000)
display(fig)
When updating mark positions, vline behaves as expected but hline moves to new (but still incorrect position).
fig.marks[0].x = fig.marks[0].x - 2
fig.marks[0].y = fig.marks[0].y - 2
bqplot 0.11.0 IPython 7.0.1
Issue Analytics
- State:
- Created 5 years ago
- Comments:5 (3 by maintainers)
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Top GitHub Comments
I suppose, yes. Maybe you would need to create a
Line
mark that has its ownx
andy
scales?I tried to find a work around. The hline_mark.y value seems to be a fraction of the height in y. You would have to add the min + max to the scale. Its not quite right but its quite close…