iw//4,
ih//4
)
user_rect = (0,0,ilena.shape[1], ilena.shape[0])
with canv.set_user_coords(device_rect, user_rect):
canv.imshow(ilena, 0,0, filter='best' )
#in pixel coordinates
col = 20; row = 80
canv.scatter([col], [row], color_rgba=(0.4,0,0.6,0.8), radius=6, markeredgewidth=5 )
#plot
p = panels["plot"]
device_rect,user_rect = get_panel_rects(p)
with canv.set_user_coords(device_rect, user_rect):
with canv.get_figure(user_rect) as fig:
ax = fig.add_subplot(111)
ax.plot( [5,7,10], [5,7,10], 'r-' )
set_foregroundcolor(ax, 'white')
set_backgroundcolor(ax, 'black')
fig.patch.set_facecolor('none')
#inset lena on bottom right hand corner of plot
p = panels["plot"]
device_rect = (
p["device_x0"]+p["dw"]-iw,
p["device_y0"]+p["dh"]-ih,
iw,
ih
)
user_rect = (0,0,ilena.shape[1], ilena.shape[0])
import tempfile
from benu.benu import Canvas
from benu.utils import set_foregroundcolor, set_backgroundcolor
tmp_fname = tempfile.mktemp('.png')
canv = Canvas(tmp_fname,500,500)
with canv.get_figure(500,500) as fig:
ax = fig.add_subplot(111)
ax.plot( [5,7,10], [5,7,10], 'r-' )
ax.set_xlabel('Xlabel')
ax.set_ylabel('Ylabel')
fig.patch.set_facecolor('none')
canv.save()
print tmp_fname
