def _graph_contour(self, x, y, z, r, reg, refresh):
g = self.graph
if not isinstance(g, ContourGraph):
g = ContourGraph(container_dict={'kind': 'h',
'bgcolor': self.plotter_options.bgcolor})
self.graph = g
else:
g.clear()
p = g.new_plot(xtitle='X', ytitle='Y')
ito = IrradiationTrayOverlay(component=p,
geometry=self.geometry,
show_labels=self.show_labels)
self.irradiation_tray_overlay = ito
p.overlays.append(ito)
m = self._model_flux(reg, r)
s, p = g.new_series(z=m,
xbounds=(-r, r),
ybounds=(-r, r),
levels=self.levels,
cmap=self.color_map_name,
colorbar=True,
style='contour')
g.add_colorbar(s)
# pts = vstack((x, y)).T
s = g.new_series(x, y,
z=z,
style='cmap_scatter',
color_mapper=s.color_mapper,
marker='circle',
marker_size=self.marker_size)
self.cmap_scatter = s[0]
