textonaxesΒΆ
Draw text at an arbitrary position on the Axes using gr.pygr.
import gr
from gr.pygr import Plot, PlotAxes, PlotCurve, Text
tx, ty = 0, -20
x = [-3.3 + t * .1 for t in range(66)]
y = [t ** 5 - 13 * t ** 3 + 36 * t for t in x]
txtfmt = "Text drawn on\n(%g, %g) with\nhalign left, valign top"
plt = Plot((.1, .95, .1, .88))
plt.title = "Text on Axes Example"
plt.subTitle = "Show usage of gr.pygr.Text"
plt.xlabel = "x"
plt.ylabel = "y"
curve = PlotCurve(x, y, legend="foo bar")
axes = PlotAxes(plt.viewport).addCurves(curve)
axes.setWindow(-4.0, 4.0, -60.0, 40.0)
text = Text(tx, -ty, txtfmt % (tx, -ty), axes, .02)
plt.addAxes(axes)
text2 = Text(tx, ty, txtfmt % (tx, ty), axes, .02)
tbx, tby = text2.getBoundingBox()
plt.drawGR()
text.drawGR()
text2.drawGR()
# set viewport and window accordingly to draw in NDC space
gr.setviewport(0, axes.sizex, 0, axes.sizey)
gr.setwindow(0, axes.sizex, 0, axes.sizey)
gr.fillarea(tbx, tby)
gr.updatews()