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 __init__(self, dpi):
self.dpi = dpi
self.width = 640.0 * dpi / 80
self.height = 480.0 * dpi / 80
mwidth, mheight, width, height = gr.inqdspsize()
if (width / (mwidth / 0.0256) < 200):
mwidth *= self.width / width
gr.setwsviewport(0, mwidth, 0, mwidth * 0.75)
else:
gr.setwsviewport(0, 0.192, 0, 0.144)
gr.setwswindow(0, 1, 0, 0.75)
gr.setviewport(0, 1, 0, 0.75)
gr.setwindow(0, self.width, 0, self.height)
self.mathtext_parser = MathTextParser('agg')
self.texmanager = TexManager()
def configure(self):
aspect_ratio = self.width / self.height
if aspect_ratio > 1:
rect = np.array([0, 1, 0, 1.0 / aspect_ratio])
self.size = self.width
else:
rect = np.array([0, aspect_ratio, 0, 1])
self.size = self.height
mwidth, mheight, width, height = gr.inqdspsize()
if width / (mwidth / 0.0256) < 200:
mwidth *= self.width / width
gr.setwsviewport(*rect * mwidth)
else:
gr.setwsviewport(*rect * 0.192)
gr.setwswindow(*rect)
gr.setviewport(*rect)
gr.setwindow(0, self.width, 0, self.height)
def configure(self):
aspect_ratio = self.width / self.height
if aspect_ratio > 1:
rect = np.array([0, 1, 0, 1.0 / aspect_ratio])
self.size = self.width
else:
rect = np.array([0, aspect_ratio, 0, 1])
self.size = self.height
mwidth, mheight, width, height = gr.inqdspsize()
if width / (mwidth / 0.0256) < 200:
mwidth *= self.width / width
gr.setwsviewport(*rect * mwidth)
else:
gr.setwsviewport(*rect * 0.192)
gr.setwswindow(*rect)
gr.setviewport(*rect)
gr.setwindow(0, self.width, 0, self.height)
def write(self, image, device_pixel_ratio=1):
height, width = image.shape[:2]
gr.clearws()
if width > height:
xmax = 1.0
ymax = 1.0*height/width
else:
xmax = 1.0*width/height
ymax = 1.0
metric_width, metric_height, pixel_width, pixel_height = gr.inqdspsize()
meter_per_horizontal_pixel = metric_width/pixel_width
meter_per_vertical_pixel = metric_height/pixel_height
gr.setwsviewport(0, meter_per_horizontal_pixel*width*device_pixel_ratio, 0,
meter_per_vertical_pixel*height*device_pixel_ratio)
gr.setwswindow(0, xmax, 0, ymax)
gr.setviewport(0, xmax, 0, ymax)
gr.setwindow(0, xmax, 0, ymax)
gr.drawimage(0, xmax, 0, ymax, width*device_pixel_ratio, height*device_pixel_ratio, image.view('uint32'))
gr.updatews()
def write(self, image, device_pixel_ratio=1):
height, width = image.shape[:2]
gr.clearws()
if width > height:
xmax = 1.0
ymax = 1.0 * height / width
else:
xmax = 1.0 * width / height
ymax = 1.0
metric_width, metric_height, pixel_width, pixel_height = gr.inqdspsize()
meter_per_horizontal_pixel = metric_width / pixel_width
meter_per_vertical_pixel = metric_height / pixel_height
gr.setwsviewport(
0,
meter_per_horizontal_pixel * width * device_pixel_ratio,
0,
meter_per_vertical_pixel * height * device_pixel_ratio,
)
gr.setwswindow(0, xmax, 0, ymax)
gr.setviewport(0, xmax, 0, ymax)
gr.setwindow(0, xmax, 0, ymax)
gr.drawimage(0, xmax, 0, ymax, width * device_pixel_ratio, height * device_pixel_ratio, image.view("uint32"))
gr.updatews()
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)
