def _draw_polar_axes():
global _plt
viewport = _plt.kwargs['viewport']
diag = ((viewport[1]-viewport[0])**2 + (viewport[3]-viewport[2])**2)**0.5
charheight = max(0.018 * diag, 0.012)
window = _plt.kwargs['window']
r_min, r_max = window[2], window[3]
gr.savestate()
gr.setcharheight(charheight)
gr.setlinetype(gr.LINETYPE_SOLID)
tick = 0.5 * gr.tick(r_min, r_max)
n = int(round((r_max - r_min) / tick + 0.5))
for i in range(n+1):
r = i / n
if i % 2 == 0:
gr.setlinecolorind(88)
if i > 0:
gr.drawarc(-r, r, -r, r, 0, 359)
gr.settextalign(gr.TEXT_HALIGN_LEFT, gr.TEXT_VALIGN_HALF)
x, y = gr.wctondc(0.05, r)
gr.text(x, y, "%g" % (r_min + i * tick))
else:
gr.setlinecolorind(90)
gr.drawarc(-r, r, -r, r, 0, 359)
for alpha in range(0, 360, 45):
sinf = np.sin(np.radians(alpha+90))
cosf = np.cos(np.radians(alpha+90))
gr.polyline([sinf, 0], [cosf, 0])
gr.settextalign(gr.TEXT_HALIGN_CENTER, gr.TEXT_VALIGN_HALF)
x, y = gr.wctondc(1.1 * sinf, 1.1 * cosf)
gr.textext(x, y, "%d^o" % alpha)
gr.restorestate()
def _draw_polar_axes():
global _plt
viewport = _plt.kwargs['viewport']
diag = ((viewport[1]-viewport[0])**2 + (viewport[3]-viewport[2])**2)**0.5
charheight = max(0.018 * diag, 0.012)
window = _plt.kwargs['window']
r_min, r_max = window[2], window[3]
gr.savestate()
gr.setcharheight(charheight)
gr.setlinetype(gr.LINETYPE_SOLID)
tick = 0.5 * gr.tick(r_min, r_max)
n = int(round((r_max - r_min) / tick + 0.5))
for i in range(n+1):
r = i / n
if i % 2 == 0:
gr.setlinecolorind(88)
if i > 0:
gr.drawarc(-r, r, -r, r, 0, 359)
gr.settextalign(gr.TEXT_HALIGN_LEFT, gr.TEXT_VALIGN_HALF)
x, y = gr.wctondc(0.05, r)
gr.text(x, y, "%g" % (r_min + i * tick))
else:
gr.setlinecolorind(90)
gr.drawarc(-r, r, -r, r, 0, 359)
for alpha in range(0, 360, 45):
sinf = np.sin(np.radians(alpha+90))
cosf = np.cos(np.radians(alpha+90))
gr.polyline([sinf, 0], [cosf, 0])
gr.settextalign(gr.TEXT_HALIGN_CENTER, gr.TEXT_VALIGN_HALF)
x, y = gr.wctondc(1.1 * sinf, 1.1 * cosf)
gr.textext(x, y, "%d^o" % alpha)
gr.restorestate()
def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
if ismath:
self._draw_mathtext(gc, x, y, s, prop, angle)
else:
x, y = gr.wctondc(x, y)
fontsize = prop.get_size_in_points()
rgba = gc.get_rgb()[:4]
color = gr.inqcolorfromrgb(rgba[0], rgba[1], rgba[2])
gr.settransparency(rgba[3])
gr.setcolorrep(color, rgba[0], rgba[1], rgba[2])
gr.setcharheight(fontsize * self.nominal_fontsize)
gr.settextcolorind(color)
if angle != 0:
gr.setcharup(-np.sin(angle * np.pi/180),
np.cos(angle * np.pi/180))
else:
gr.setcharup(0, 1)
gr.text(x, y, s)
def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
if ismath:
self._draw_mathtext(gc, x, y, s, prop, angle)
else:
x, y = gr.wctondc(x, y)
s = s.replace(u'\u2212', '-')
fontsize = prop.get_size_in_points()
rgba = gc.get_rgb()[:4]
color = gr.inqcolorfromrgb(rgba[0], rgba[1], rgba[2])
gr.settransparency(rgba[3])
gr.setcolorrep(color, rgba[0], rgba[1], rgba[2])
gr.setcharheight(fontsize * 0.0013)
gr.settextcolorind(color)
if angle != 0:
gr.setcharup(-np.sin(angle * np.pi/180),
np.cos(angle * np.pi/180))
else:
gr.setcharup(0, 1)
gr.text(x, y, s)
