def draw_path(self, gc, path, transform, rgbFace=None):
path = transform.transform_path(path)
points = path.vertices
codes = path.codes
bbox = gc.get_clip_rectangle()
if bbox is not None:
x, y, w, h = bbox.bounds
clrt = np.array([x, x + w, y, y + h])
else:
clrt = np.array([0, self.width, 0, self.height])
gr.setviewport(*clrt / self.size)
gr.setwindow(*clrt)
if rgbFace is not None and len(points) > 2:
color = gr.inqcolorfromrgb(rgbFace[0], rgbFace[1], rgbFace[2])
gr.settransparency(rgbFace[3])
gr.setcolorrep(color, rgbFace[0], rgbFace[1], rgbFace[2])
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.setfillcolorind(color)
gr.drawpath(points, codes, fill=True)
lw = gc.get_linewidth()
if lw != 0:
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])
if isinstance(gc._linestyle, str):
gr.setlinetype(linetype[gc._linestyle])
gr.setlinewidth(lw)
gr.setlinecolorind(color)
gr.drawpath(points, codes, fill=False)
def draw_path(self, gc, path, transform, rgbFace=None):
path = transform.transform_path(path)
points = path.vertices
codes = path.codes
bbox = gc.get_clip_rectangle()
if bbox is not None and not np.any(np.isnan(bbox.bounds)):
x, y, w, h = bbox.bounds
clrt = np.array([x, x + w, y, y + h])
else:
clrt = np.array([0, self.width, 0, self.height])
gr.setviewport(*clrt / self.size)
gr.setwindow(*clrt)
if rgbFace is not None and len(points) > 2:
color = gr.inqcolorfromrgb(rgbFace[0], rgbFace[1], rgbFace[2])
gr.settransparency(rgbFace[3])
gr.setcolorrep(color, rgbFace[0], rgbFace[1], rgbFace[2])
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.setfillcolorind(color)
gr.drawpath(points, codes, fill=True)
lw = gc.get_linewidth()
if lw != 0:
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])
if isinstance(gc._linestyle, str):
gr.setlinetype(linetype[gc._linestyle])
gr.setlinewidth(lw)
gr.setlinecolorind(color)
gr.drawpath(points, codes, fill=False)
def draw_ellipse(ell, alpha=1.0, color=1):
gr.setfillintstyle(1) # solid (default is no fill)
gr.setfillcolorind(color)
gr.settransparency(alpha)
gr.setlinewidth(2)
# gr.polyline(ell[0, :], ell[1, :])
gr.fillarea(ell[0, :], ell[1, :])
gr.settransparency(1.0)
def _set_viewport(kind, subplot):
global _plt
metric_width, metric_height, pixel_width, pixel_height = gr.inqdspsize()
if 'figsize' in _plt.kwargs:
horizontal_pixels_per_inch = pixel_width * 0.0254 / metric_width
vertical_pixels_per_inch = pixel_height * 0.0254 / metric_height
width = _plt.kwargs['figsize'][0] * horizontal_pixels_per_inch
height = _plt.kwargs['figsize'][1] * vertical_pixels_per_inch
else:
width, height = _plt.kwargs['size']
viewport = [0, 0, 0, 0]
vp = subplot[:]
if width > height:
aspect_ratio = height/width
metric_size = metric_width * width / pixel_width
gr.setwsviewport(0, metric_size, 0, metric_size*aspect_ratio)
gr.setwswindow(0, 1, 0, aspect_ratio)
vp[2] *= aspect_ratio
vp[3] *= aspect_ratio
else:
aspect_ratio = width/ height
metric_size = metric_height * height / pixel_height
gr.setwsviewport(0, metric_size * aspect_ratio, 0, metric_size)
gr.setwswindow(0, aspect_ratio, 0, 1)
vp[0] *= aspect_ratio
vp[1] *= aspect_ratio
viewport[0] = vp[0] + 0.125 * (vp[1]-vp[0])
viewport[1] = vp[0] + 0.925 * (vp[1]-vp[0])
viewport[2] = vp[2] + 0.125 * (vp[3]-vp[2])
viewport[3] = vp[2] + 0.925 * (vp[3]-vp[2])
if width > height:
viewport[2] += (1 - (subplot[3] - subplot[2])**2) * 0.02
if kind in ('wireframe', 'surface', 'plot3', 'scatter3'):
viewport[1] -= 0.0525
if kind in ('contour', 'contourf', 'surface'):
viewport[1] -= 0.1
gr.setviewport(*viewport)
_plt.kwargs['viewport'] = viewport
_plt.kwargs['vp'] = vp
_plt.kwargs['ratio'] = aspect_ratio
if 'backgroundcolor' in _plt.kwargs:
gr.savestate()
gr.selntran(0)
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.setfillcolorind(_plt.kwargs['backgroundcolor'])
if width > height:
gr.fillrect(subplot[0], subplot[1],
subplot[2] * aspect_ratio, subplot[3] * aspect_ratio)
else:
gr.fillrect(subplot[0] * aspect_ratio, subplot[1] * aspect_ratio,
subplot[2], subplot[3])
gr.selntran(1)
gr.restorestate()
def _draw_legend():
global _plt
viewport = _plt.kwargs['viewport']
num_labels = len(_plt.kwargs['labels'])
location = _plt.kwargs.get('location', 1)
gr.savestate()
gr.selntran(0)
gr.setscale(0)
w = 0
for label in _plt.kwargs['labels']:
tbx, tby = gr.inqtextext(0, 0, label)
w = max(w, tbx[2])
num_lines = len(_plt.args)
h = (num_lines + 1) * 0.03
if location in (8, 9, 10):
px = 0.5 * (viewport[0] + viewport[1] - w)
elif location in (2, 3, 6):
px = viewport[0] + 0.11
else:
px = viewport[1] - 0.05 - w
if location in (5, 6, 7, 10):
py = 0.5 * (viewport[2] + viewport[3] + h) - 0.03
elif location in (3, 4, 8):
py = viewport[2] + h
else:
py = viewport[3] - 0.06
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.setfillcolorind(0)
gr.fillrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * num_lines)
gr.setlinetype(gr.LINETYPE_SOLID)
gr.setlinecolorind(1)
gr.setlinewidth(1)
gr.drawrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * num_lines)
i = 0
gr.uselinespec(" ")
for (x, y, z, c, spec) in _plt.args:
gr.savestate()
mask = gr.uselinespec(spec)
if mask in (0, 1, 3, 4, 5):
gr.polyline([px - 0.07, px - 0.01], [py, py])
if mask & 2:
gr.polymarker([px - 0.06, px - 0.02], [py, py])
gr.restorestate()
gr.settextalign(gr.TEXT_HALIGN_LEFT, gr.TEXT_VALIGN_HALF)
if i < num_labels:
gr.textext(px, py, _plt.kwargs['labels'][i])
i += 1
py -= 0.03
gr.selntran(1)
gr.restorestate()
def _draw_legend():
global _plt
viewport = _plt.kwargs['viewport']
num_labels = len(_plt.kwargs['labels'])
location = _plt.kwargs.get('location', 1)
gr.savestate()
gr.selntran(0)
gr.setscale(0)
w = 0
for label in _plt.kwargs['labels']:
tbx, tby = gr.inqtextext(0, 0, label)
w = max(w, tbx[2])
num_lines = len(_plt.args)
h = (num_lines + 1) * 0.03
if location in (8, 9, 10):
px = 0.5 * (viewport[0] + viewport[1] - w)
elif location in (2, 3, 6):
px = viewport[0] + 0.11
else:
px = viewport[1] - 0.05 - w
if location in (5, 6, 7, 10):
py = 0.5 * (viewport[2] + viewport[3] + h) - 0.03
elif location in (3, 4, 8):
py = viewport[2] + h
else:
py = viewport[3] - 0.06
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.setfillcolorind(0)
gr.fillrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * num_lines)
gr.setlinetype(gr.LINETYPE_SOLID)
gr.setlinecolorind(1)
gr.setlinewidth(1)
gr.drawrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * num_lines)
i = 0
gr.uselinespec(" ")
for (x, y, z, c, spec) in _plt.args:
gr.savestate()
mask = gr.uselinespec(spec)
if mask in (0, 1, 3, 4, 5):
gr.polyline([px - 0.07, px - 0.01], [py, py])
if mask & 2:
gr.polymarker([px - 0.06, px - 0.02], [py, py])
gr.restorestate()
gr.settextalign(gr.TEXT_HALIGN_LEFT, gr.TEXT_VALIGN_HALF)
if i < num_labels:
gr.textext(px, py, _plt.kwargs['labels'][i])
i += 1
py -= 0.03
gr.selntran(1)
gr.restorestate()
def draw(self, wsviewport=None):
if self.xvalues is not None and self.widths is not None:
maxidx = np.argmax(self.xvalues)
rangex = (self.xvalues.min(),
self.xvalues[maxidx] + self.widths[maxidx])
else:
rangex = (0.0, 100.0)
if self.yvalues is not None:
rangey = gr.adjustrange(0.0, self.yvalues.max())
else:
rangey = (0.0, 8.0)
if wsviewport is None:
gr.setwsviewport(0, self.mwidth, 0, self.mheight)
else:
gr.setwsviewport(*wsviewport)
gr.setwswindow(0, self.sizex, 0, self.sizey)
gr.setviewport(0.075 * self.sizex, 0.95 * self.sizex,
0.075 * self.sizey, 0.95 * self.sizey)
gr.setwindow(rangex[0], rangex[1], rangey[0], rangey[1])
gr.setcharheight(0.012)
gr.setfillintstyle(1)
gr.setfillcolorind(0)
gr.fillrect(rangex[0], rangex[1], rangey[0], rangey[1])
if self.xvalues is not None and self.yvalues is not None \
and self.widths is not None:
gr.setfillintstyle(1)
gr.setfillcolorind(2)
for i in range(self.xvalues.size):
gr.fillrect(self.xvalues[i],
self.xvalues[i] + self.widths[i] * 0.8,
0.0, self.yvalues[i])
else:
gr.text(0.45 * self.sizex, 0.5 * self.sizey, "no data")
gr.setlinecolorind(1)
xtick = floor(0.02 * (rangex[1] - rangey[0]) * 100.0) / 100.0
ytick = floor(0.04 * (rangey[1] - rangey[0]) * 50.0) / 50.0
gr.axes(xtick, ytick, rangex[0], rangey[0], 10, 5, 0.0075)
gr.axes(xtick, ytick, rangex[1], rangey[1], -10, -5, -0.0075)
if self.title is not None:
gr.text(0.8 * self.sizex, 0.9 * self.sizey, self.title)
def draw(self, wsviewport=None):
if self.xvalues is not None and self.widths is not None:
maxidx = np.argmax(self.xvalues)
rangex = (self.xvalues.min(),
self.xvalues[maxidx] + self.widths[maxidx])
else:
rangex = (0.0, 100.0)
if self.yvalues is not None:
rangey = gr.adjustrange(0.0, self.yvalues.max())
else:
rangey = (0.0, 8.0)
if wsviewport is None:
gr.setwsviewport(0, self.mwidth, 0, self.mheight)
else:
gr.setwsviewport(*wsviewport)
gr.setwswindow(0, self.sizex, 0, self.sizey)
gr.setviewport(0.075 * self.sizex, 0.95 * self.sizex,
0.075 * self.sizey, 0.95 * self.sizey)
gr.setwindow(rangex[0], rangex[1], rangey[0], rangey[1])
gr.setcharheight(0.012)
gr.setfillintstyle(1)
gr.setfillcolorind(0)
gr.fillrect(rangex[0], rangex[1], rangey[0], rangey[1])
if self.xvalues is not None and self.yvalues is not None \
and self.widths is not None:
gr.setfillintstyle(1)
gr.setfillcolorind(2)
for i in range(self.xvalues.size):
gr.fillrect(self.xvalues[i],
self.xvalues[i] + self.widths[i] * 0.8,
0.0, self.yvalues[i])
else:
gr.text(0.45 * self.sizex, 0.5 * self.sizey, "no data")
gr.setlinecolorind(1)
xtick = floor(0.02 * (rangex[1] - rangey[0]) * 100.0) / 100.0
ytick = floor(0.04 * (rangey[1] - rangey[0]) * 50.0) / 50.0
gr.axes(xtick, ytick, rangex[0], rangey[0], 10, 5, 0.0075)
gr.axes(xtick, ytick, rangex[1], rangey[1], -10, -5, -0.0075)
if self.title is not None:
gr.text(0.8 * self.sizex, 0.9 * self.sizey, self.title)
def _draw_legend():
global _plt
viewport = _plt.kwargs['viewport']
num_labels = len(_plt.kwargs['labels'])
gr.savestate()
gr.selntran(0)
gr.setscale(0)
w = 0
for label in _plt.kwargs['labels']:
tbx, tby = gr.inqtextext(0, 0, label)
w = max(w, tbx[2])
px = viewport[1] - 0.05 - w
py = viewport[3] - 0.06
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.setfillcolorind(0)
gr.fillrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * num_labels)
gr.setlinetype(1)
gr.setlinecolorind(1)
gr.setlinewidth(1)
gr.drawrect(px - 0.08, px + w + 0.02, py + 0.03, py - 0.03 * num_labels)
i = 0
gr.uselinespec(" ")
for (x, y, z, c, spec) in _plt.args:
gr.savestate()
mask = gr.uselinespec(spec)
if mask in (0, 1, 3, 4, 5):
gr.polyline([px - 0.07, px - 0.01], [py, py])
if mask & 2:
gr.polymarker([px - 0.06, px - 0.02], [py, py])
gr.restorestate()
gr.settextalign(gr.TEXT_HALIGN_LEFT, gr.TEXT_VALIGN_HALF)
if i < num_labels:
gr.textext(px, py, _plt.kwargs['labels'][i])
i += 1
py -= 0.03
gr.selntran(1)
gr.restorestate()
def draw(self, wsviewport=None):
if self.xvalues is not None:
rangex = (self.xvalues.min(), self.xvalues.max())
else:
rangex = (0, 10)
if self.yvalues is not None:
rangey = gr.adjustrange(self.yvalues.min(), self.yvalues.max())
else:
rangey = (0, 4)
if wsviewport is None:
gr.setwsviewport(0, self.mwidth, 0, self.mheight)
else:
gr.setwsviewport(*wsviewport)
gr.setwswindow(0, self.sizex, 0, self.sizey)
gr.setviewport(0.075 * self.sizex, 0.95 * self.sizex,
0.075 * self.sizey, 0.95 * self.sizey)
gr.setwindow(rangex[0], rangex[1], rangey[0], rangey[1])
gr.setcharheight(0.012)
gr.setfillintstyle(1)
gr.setfillcolorind(0)
gr.fillrect(rangex[0], rangex[1], rangey[0], rangey[1])
if self.xvalues is not None and self.yvalues is not None:
gr.setlinecolorind(2)
gr.polyline(self.xvalues, self.yvalues)
else:
gr.text(0.4 * self.sizex, 0.5 * self.sizey, "no elements selected")
gr.setlinecolorind(1)
gr.axes(0.2, 0.2, rangex[0], rangey[0], 5, 5, 0.0075)
gr.axes(0.2, 0.2, rangex[1], rangey[1], -5, -5, -0.0075)
if self.title is not None:
gr.text(0.8 * self.sizex, 0.9 * self.sizey, self.title)
def draw(self, wsviewport=None):
if self.xvalues is not None:
rangex = (self.xvalues.min(), self.xvalues.max())
else:
rangex = (0, 10)
if self.yvalues is not None:
rangey = gr.adjustrange(self.yvalues.min(), self.yvalues.max())
else:
rangey = (0, 4)
if wsviewport is None:
gr.setwsviewport(0, self.mwidth, 0, self.mheight)
else:
gr.setwsviewport(*wsviewport)
gr.setwswindow(0, self.sizex, 0, self.sizey)
gr.setviewport(0.075 * self.sizex, 0.95 * self.sizex,
0.075 * self.sizey, 0.95 * self.sizey)
gr.setwindow(rangex[0], rangex[1], rangey[0], rangey[1])
gr.setcharheight(0.012)
gr.setfillintstyle(1)
gr.setfillcolorind(0)
gr.fillrect(rangex[0], rangex[1], rangey[0], rangey[1])
if self.xvalues is not None and self.yvalues is not None:
gr.setlinecolorind(2)
gr.polyline(self.xvalues, self.yvalues)
else:
gr.text(0.4 * self.sizex, 0.5 * self.sizey, "no elements selected")
gr.setlinecolorind(1)
gr.axes(0.2, 0.2, rangex[0], rangey[0], 5, 5, 0.0075)
gr.axes(0.2, 0.2, rangex[1], rangey[1], -5, -5, -0.0075)
if self.title is not None:
gr.text(0.8 * self.sizex, 0.9 * self.sizey, self.title)
import numpy
import gr
SAMPLES = 2048
wf = wave.open(os.path.join(os.path.dirname(os.path.realpath(__file__)),
'Monty_Python.wav'), 'rb')
pa = pyaudio.PyAudio()
stream = pa.open(format=pa.get_format_from_width(wf.getsampwidth()),
channels=wf.getnchannels(), rate=wf.getframerate(), output=True)
gr.setwindow(0, SAMPLES, -30000, 30000)
gr.setviewport(0.05, 0.95, 0.05, 0.95)
gr.setlinecolorind(218)
gr.setfillintstyle(1)
gr.setfillcolorind(208)
data = wf.readframes(SAMPLES)
while data != '' and len(data) == SAMPLES * wf.getsampwidth():
stream.write(data)
amplitudes = numpy.fromstring(data, dtype=numpy.short)
power = abs(numpy.fft.fft(amplitudes / 512.0))[:SAMPLES/2:2] - 30000
gr.clearws()
gr.fillrect(0, SAMPLES, -30000, 30000)
gr.grid(40, 1200, 0, 0, 5, 5)
gr.polyline(range(SAMPLES)[0::4], amplitudes[0::4])
gr.polyline(range(SAMPLES)[0::4], power)
gr.updatews()
data = wf.readframes(SAMPLES)
SAMPLES = 2048
wf = wave.open(
os.path.join(os.path.dirname(os.path.realpath(__file__)),
'Monty_Python.wav'), 'rb')
pa = pyaudio.PyAudio()
stream = pa.open(format=pa.get_format_from_width(wf.getsampwidth()),
channels=wf.getnchannels(),
rate=wf.getframerate(),
output=True)
gr.setwindow(0, SAMPLES, -30000, 30000)
gr.setviewport(0.05, 0.95, 0.05, 0.95)
gr.setlinecolorind(218)
gr.setfillintstyle(1)
gr.setfillcolorind(208)
data = wf.readframes(SAMPLES)
while data != '' and len(data) == SAMPLES * wf.getsampwidth():
stream.write(data)
amplitudes = numpy.fromstring(data, dtype=numpy.short)
power = abs(scipy.fftpack.fft(amplitudes / 512.0))[:SAMPLES / 2:2] - 30000
gr.clearws()
gr.fillrect(0, SAMPLES, -30000, 30000)
gr.grid(40, 1200, 0, 0, 5, 5)
gr.polyline(range(SAMPLES)[0::4], amplitudes[0::4])
gr.polyline(range(SAMPLES)[0::4], power)
gr.updatews()
data = wf.readframes(SAMPLES)
def _set_viewport(kind, subplot):
global _plt
metric_width, metric_height, pixel_width, pixel_height = gr.inqdspsize()
if 'figsize' in _plt.kwargs:
horizontal_pixels_per_inch = pixel_width * 0.0254 / metric_width
vertical_pixels_per_inch = pixel_height * 0.0254 / metric_height
width = _plt.kwargs['figsize'][0] * horizontal_pixels_per_inch
height = _plt.kwargs['figsize'][1] * vertical_pixels_per_inch
else:
dpi = pixel_width / metric_width * 0.0254
if dpi > 200:
width, height = tuple(x * dpi / 100 for x in _plt.kwargs['size'])
else:
width, height = _plt.kwargs['size']
viewport = [0, 0, 0, 0]
vp = subplot[:]
if width > height:
aspect_ratio = height/width
metric_size = metric_width * width / pixel_width
gr.setwsviewport(0, metric_size, 0, metric_size*aspect_ratio)
gr.setwswindow(0, 1, 0, aspect_ratio)
vp[2] *= aspect_ratio
vp[3] *= aspect_ratio
else:
aspect_ratio = width/ height
metric_size = metric_height * height / pixel_height
gr.setwsviewport(0, metric_size * aspect_ratio, 0, metric_size)
gr.setwswindow(0, aspect_ratio, 0, 1)
vp[0] *= aspect_ratio
vp[1] *= aspect_ratio
viewport[0] = vp[0] + 0.125 * (vp[1]-vp[0])
viewport[1] = vp[0] + 0.925 * (vp[1]-vp[0])
viewport[2] = vp[2] + 0.125 * (vp[3]-vp[2])
viewport[3] = vp[2] + 0.925 * (vp[3]-vp[2])
if width > height:
viewport[2] += (1 - (subplot[3] - subplot[2])**2) * 0.02
if kind in ('wireframe', 'surface', 'plot3', 'scatter3', 'trisurf'):
viewport[1] -= 0.0525
if kind in ('contour', 'contourf', 'surface', 'trisurf', 'heatmap', 'hexbin'):
viewport[1] -= 0.1
gr.setviewport(*viewport)
_plt.kwargs['viewport'] = viewport
_plt.kwargs['vp'] = vp
_plt.kwargs['ratio'] = aspect_ratio
if 'backgroundcolor' in _plt.kwargs:
gr.savestate()
gr.selntran(0)
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.setfillcolorind(_plt.kwargs['backgroundcolor'])
if width > height:
gr.fillrect(subplot[0], subplot[1],
subplot[2] * aspect_ratio, subplot[3] * aspect_ratio)
else:
gr.fillrect(subplot[0] * aspect_ratio, subplot[1] * aspect_ratio,
subplot[2], subplot[3])
gr.selntran(1)
gr.restorestate()
if kind == 'polar':
x_min, x_max, y_min, y_max = viewport
x_center = 0.5 * (x_min + x_max)
y_center = 0.5 * (y_min + y_max)
r = 0.5 * min(x_max - x_min, y_max - y_min)
gr.setviewport(x_center - r, x_center + r, y_center - r, y_center + r)
def _plot_data(**kwargs):
global _plt
_plt.kwargs.update(kwargs)
if not _plt.args:
return
kind = _plt.kwargs.get('kind', 'line')
if _plt.kwargs['clear']:
gr.clearws()
if kind in ('imshow', 'isosurface'):
_set_viewport(kind, _plt.kwargs['subplot'])
elif not _plt.kwargs['ax']:
_set_viewport(kind, _plt.kwargs['subplot'])
_set_window(kind)
if kind == 'polar':
_draw_polar_axes()
else:
_draw_axes(kind)
gr.setcolormap(_plt.kwargs.get('colormap', gr.COLORMAP_COOLWARM))
gr.uselinespec(" ")
for x, y, z, c, spec in _plt.args:
gr.savestate()
if 'alpha' in _plt.kwargs:
gr.settransparency(_plt.kwargs['alpha'])
if kind == 'line':
mask = gr.uselinespec(spec)
if mask in (0, 1, 3, 4, 5):
gr.polyline(x, y)
if mask & 2:
gr.polymarker(x, y)
elif kind == 'scatter':
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
if z is not None or c is not None:
if c is not None:
c_min = c.min()
c_ptp = c.ptp()
for i in range(len(x)):
if z is not None:
gr.setmarkersize(z[i] / 100.0)
if c is not None:
c_index = 1000 + int(255 * (c[i]-c_min)/c_ptp)
gr.setmarkercolorind(c_index)
gr.polymarker([x[i]], [y[i]])
else:
gr.polymarker(x, y)
elif kind == 'stem':
gr.setlinecolorind(1)
gr.polyline(_plt.kwargs['window'][:2], [0, 0])
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
gr.uselinespec(spec)
for xi, yi in zip(x, y):
gr.polyline([xi, xi], [0, yi])
gr.polymarker(x, y)
elif kind == 'hist':
y_min = _plt.kwargs['window'][2]
for i in range(1, len(y)+1):
gr.setfillcolorind(989)
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.fillrect(x[i-1], x[i], y_min, y[i-1])
gr.setfillcolorind(1)
gr.setfillintstyle(gr.INTSTYLE_HOLLOW)
gr.fillrect(x[i-1], x[i], y_min, y[i-1])
elif kind == 'contour':
z_min, z_max = _plt.kwargs['zrange']
gr.setspace(z_min, z_max, 0, 90)
h = [z_min + i/19*(z_max-z_min) for i in range(20)]
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = np.prod(z.shape)
gr.contour(x, y, h, z, 1000)
_colorbar(0, 20)
elif kind == 'contourf':
z_min, z_max = _plt.kwargs['zrange']
gr.setspace(z_min, z_max, 0, 90)
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = (200, 200)
if _plt.kwargs['scale'] & gr.OPTION_Z_LOG != 0:
z = np.log(z)
gr.surface(x, y, z, gr.OPTION_CELL_ARRAY)
_colorbar()
elif kind == 'hexbin':
nbins = _plt.kwargs.get('nbins', 40)
cntmax = gr.hexbin(x, y, nbins)
if cntmax > 0:
_plt.kwargs['zrange'] = (0, cntmax)
_colorbar()
elif kind == 'heatmap':
x_min, x_max, y_min, y_max = _plt.kwargs['window']
width, height = z.shape
cmap = _colormap()
icmap = np.zeros(256, np.uint32)
for i in range(256):
r, g, b, a = cmap[i]
icmap[i] = (int(r*255) << 0) + (int(g*255) << 8) + (int(b*255) << 16) + (int(a*255) << 24)
z_range = np.ptp(z)
if z_range > 0:
data = (z - np.min(z)) / z_range * 255
else:
data = np.zeros((width, height))
rgba = np.zeros((width, height), np.uint32)
for x in range(width):
for y in range(height):
rgba[x, y] = icmap[int(data[x, y])]
gr.drawimage(x_min, x_max, y_min, y_max, width, height, rgba)
_colorbar()
elif kind == 'wireframe':
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 50, 50)
gr.setfillcolorind(0)
z.shape = np.prod(z.shape)
gr.surface(x, y, z, gr.OPTION_FILLED_MESH)
_draw_axes(kind, 2)
elif kind == 'surface':
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = np.prod(z.shape)
if _plt.kwargs.get('accelerate', True):
gr3.clear()
gr3.surface(x, y, z, gr.OPTION_COLORED_MESH)
else:
gr.surface(x, y, z, gr.OPTION_COLORED_MESH)
_draw_axes(kind, 2)
_colorbar(0.05)
elif kind == 'plot3':
gr.polyline3d(x, y, z)
_draw_axes(kind, 2)
elif kind == 'scatter3':
gr.polymarker3d(x, y, z)
_draw_axes(kind, 2)
elif kind == 'imshow':
_plot_img(z)
elif kind == 'isosurface':
_plot_iso(z)
elif kind == 'polar':
gr.uselinespec(spec)
_plot_polar(x, y)
elif kind == 'trisurf':
gr.trisurface(x, y, z)
_draw_axes(kind, 2)
_colorbar(0.05)
gr.restorestate()
if kind in ('line', 'scatter', 'stem') and 'labels' in _plt.kwargs:
_draw_legend()
if _plt.kwargs['update']:
gr.updatews()
if gr.isinline():
return gr.show()
def _plot_data(**kwargs):
global _plt
_plt.kwargs.update(kwargs)
if not _plt.args:
return
kind = _plt.kwargs.get('kind', 'line')
if _plt.kwargs['clear']:
gr.clearws()
if kind in ('imshow', 'isosurface'):
_set_viewport(kind, _plt.kwargs['subplot'])
elif not _plt.kwargs['ax']:
_set_viewport(kind, _plt.kwargs['subplot'])
_set_window(kind)
_draw_axes(kind)
gr.setcolormap(_plt.kwargs.get('colormap', gr.COLORMAP_COOLWARM))
gr.uselinespec(" ")
for x, y, z, c, spec in _plt.args:
gr.savestate()
if 'alpha' in _plt.kwargs:
gr.settransparency(_plt.kwargs['alpha'])
if kind == 'line':
mask = gr.uselinespec(spec)
if mask in (0, 1, 3, 4, 5):
gr.polyline(x, y)
if mask & 2:
gr.polymarker(x, y)
elif kind == 'scatter':
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
if z is not None or c is not None:
if c is not None:
c_min = c.min()
c_ptp = c.ptp()
for i in range(len(x)):
if z is not None:
gr.setmarkersize(z[i] / 100.0)
if c is not None:
c_index = 1000 + int(255 * (c[i]-c_min)/c_ptp)
gr.setmarkercolorind(c_index)
gr.polymarker([x[i]], [y[i]])
else:
gr.polymarker(x, y)
elif kind == 'stem':
gr.setlinecolorind(1)
gr.polyline(_plt.kwargs['window'][:2], [0, 0])
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
gr.uselinespec(spec)
for xi, yi in zip(x, y):
gr.polyline([xi, xi], [0, yi])
gr.polymarker(x, y)
elif kind == 'hist':
y_min = _plt.kwargs['window'][2]
for i in range(1, len(y)):
gr.setfillcolorind(989)
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.fillrect(x[i-1], x[i], y_min, y[i])
gr.setfillcolorind(1)
gr.setfillintstyle(gr.INTSTYLE_HOLLOW)
gr.fillrect(x[i-1], x[i], y_min, y[i])
elif kind == 'contour':
z_min, z_max = _plt.kwargs['zrange']
gr.setspace(z_min, z_max, 0, 90)
h = [z_min + i/19*(z_max-z_min) for i in range(20)]
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = np.prod(z.shape)
gr.contour(x, y, h, z, 1000)
_colorbar(0, 20)
elif kind == 'contourf':
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = (200, 200)
if _plt.kwargs['scale'] & gr.OPTION_Z_LOG != 0:
z = np.log(z)
width, height = z.shape
data = np.array(1000+(z-z.min()) / z.ptp() * 255, np.int32)
x_min, x_max = _plt.kwargs['xrange']
y_min, y_max = _plt.kwargs['yrange']
gr.cellarray(x_min, x_max, y_max, y_min, width, height, data)
_colorbar()
elif kind == 'wireframe':
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 50, 50)
gr.setfillcolorind(0)
z.shape = np.prod(z.shape)
gr.surface(x, y, z, gr.OPTION_FILLED_MESH)
_draw_axes(kind, 2)
elif kind == 'surface':
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = np.prod(z.shape)
if _plt.kwargs.get('accelerate', True):
gr3.surface(x, y, z, gr.OPTION_COLORED_MESH)
else:
gr.surface(x, y, z, gr.OPTION_COLORED_MESH)
_draw_axes(kind, 2)
_colorbar(0.05)
elif kind == 'plot3':
gr.polyline3d(x, y, z)
_draw_axes(kind, 2)
elif kind == 'scatter3':
gr.polymarker3d(x, y, z)
_draw_axes(kind, 2)
elif kind == 'imshow':
_plot_img(z)
elif kind == 'isosurface':
_plot_iso(z)
gr.restorestate()
if kind in ('line', 'scatter', 'stem') and 'labels' in _plt.kwargs:
_draw_legend()
if _plt.kwargs['update']:
gr.updatews()
if gr.isinline():
return gr.show()
def _plot_data(**kwargs):
global _plt
_plt.kwargs.update(kwargs)
if not _plt.args:
return
kind = _plt.kwargs.get('kind', 'line')
if _plt.kwargs['clear']:
gr.clearws()
if kind in ('imshow', 'isosurface'):
_set_viewport(kind, _plt.kwargs['subplot'])
elif not _plt.kwargs['ax']:
_set_viewport(kind, _plt.kwargs['subplot'])
_set_window(kind)
if kind == 'polar':
_draw_polar_axes()
else:
_draw_axes(kind)
if 'cmap' in _plt.kwargs:
warnings.warn('The parameter "cmap" has been replaced by "colormap". The value of "cmap" will be ignored.', stacklevel=3)
colormap = _plt.kwargs.get('colormap', gr.COLORMAP_VIRIDIS)
if colormap is not None:
gr.setcolormap(colormap)
gr.uselinespec(" ")
for x, y, z, c, spec in _plt.args:
gr.savestate()
if 'alpha' in _plt.kwargs:
gr.settransparency(_plt.kwargs['alpha'])
if kind == 'line':
mask = gr.uselinespec(spec)
if mask in (0, 1, 3, 4, 5):
gr.polyline(x, y)
if mask & 2:
gr.polymarker(x, y)
elif kind == 'scatter':
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
if z is not None or c is not None:
if c is not None:
c_min = c.min()
c_ptp = c.ptp()
for i in range(len(x)):
if z is not None:
gr.setmarkersize(z[i] / 100.0)
if c is not None:
c_index = 1000 + int(255 * (c[i]-c_min)/c_ptp)
gr.setmarkercolorind(c_index)
gr.polymarker([x[i]], [y[i]])
else:
gr.polymarker(x, y)
elif kind == 'stem':
gr.setlinecolorind(1)
gr.polyline(_plt.kwargs['window'][:2], [0, 0])
gr.setmarkertype(gr.MARKERTYPE_SOLID_CIRCLE)
gr.uselinespec(spec)
for xi, yi in zip(x, y):
gr.polyline([xi, xi], [0, yi])
gr.polymarker(x, y)
elif kind == 'hist':
y_min = _plt.kwargs['window'][2]
for i in range(1, len(y)+1):
gr.setfillcolorind(989)
gr.setfillintstyle(gr.INTSTYLE_SOLID)
gr.fillrect(x[i-1], x[i], y_min, y[i-1])
gr.setfillcolorind(1)
gr.setfillintstyle(gr.INTSTYLE_HOLLOW)
gr.fillrect(x[i-1], x[i], y_min, y[i-1])
elif kind == 'contour':
z_min, z_max = _plt.kwargs['zrange']
gr.setspace(z_min, z_max, 0, 90)
h = [z_min + i/19*(z_max-z_min) for i in range(20)]
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = np.prod(z.shape)
gr.contour(x, y, h, z, 1000)
_colorbar(0, 20)
elif kind == 'contourf':
z_min, z_max = _plt.kwargs['zrange']
gr.setspace(z_min, z_max, 0, 90)
scale = _plt.kwargs['scale']
gr.setscale(scale)
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = (200, 200)
gr.surface(x, y, z, gr.OPTION_CELL_ARRAY)
_colorbar()
elif kind == 'hexbin':
nbins = _plt.kwargs.get('nbins', 40)
cntmax = gr.hexbin(x, y, nbins)
if cntmax > 0:
_plt.kwargs['zrange'] = (0, cntmax)
_colorbar()
elif kind == 'heatmap':
x_min, x_max, y_min, y_max = _plt.kwargs['window']
width, height = z.shape
cmap = _colormap()
icmap = np.zeros(256, np.uint32)
for i in range(256):
r, g, b, a = cmap[i]
icmap[i] = (int(r*255) << 0) + (int(g*255) << 8) + (int(b*255) << 16) + (int(a*255) << 24)
z_min, z_max = _plt.kwargs.get('zlim', (np.min(z), np.max(z)))
if z_max < z_min:
z_max, z_min = z_min, z_max
if z_max > z_min:
data = (z - z_min) / (z_max - z_min) * 255
else:
data = np.zeros((width, height))
rgba = np.zeros((width, height), np.uint32)
for x in range(width):
for y in range(height):
rgba[x, y] = icmap[int(data[x, y])]
gr.drawimage(x_min, x_max, y_min, y_max, width, height, rgba)
_colorbar()
elif kind == 'wireframe':
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 50, 50)
gr.setfillcolorind(0)
z.shape = np.prod(z.shape)
gr.surface(x, y, z, gr.OPTION_FILLED_MESH)
_draw_axes(kind, 2)
elif kind == 'surface':
if x.shape == y.shape == z.shape:
x, y, z = gr.gridit(x, y, z, 200, 200)
z.shape = np.prod(z.shape)
if _plt.kwargs.get('accelerate', True):
gr3.clear()
gr3.surface(x, y, z, gr.OPTION_COLORED_MESH)
else:
gr.surface(x, y, z, gr.OPTION_COLORED_MESH)
_draw_axes(kind, 2)
_colorbar(0.05)
elif kind == 'plot3':
gr.polyline3d(x, y, z)
_draw_axes(kind, 2)
elif kind == 'scatter3':
gr.polymarker3d(x, y, z)
_draw_axes(kind, 2)
elif kind == 'imshow':
_plot_img(z)
elif kind == 'isosurface':
_plot_iso(z)
elif kind == 'polar':
gr.uselinespec(spec)
_plot_polar(x, y)
elif kind == 'trisurf':
gr.trisurface(x, y, z)
_draw_axes(kind, 2)
_colorbar(0.05)
elif kind == 'tricont':
zmin, zmax = _plt.kwargs['zrange']
levels = np.linspace(zmin, zmax, 20)
gr.tricontour(x, y, z, levels)
gr.restorestate()
if kind in ('line', 'scatter', 'stem') and 'labels' in _plt.kwargs:
_draw_legend()
if _plt.kwargs['update']:
gr.updatews()
if gr.isinline():
return gr.show()