예제 #1
0
 def draw(self):
     svg = self.svg
     svg.empty()
     for i in xrange(self.ncolors):
         for j in xrange(self.ncolors):
             color = color_scale.color(color_scale.color64(i, j))
             svg.rect("R_" + color, i * self.dx, j * self.dy, self.dx, self.dy, color)
     bary = self.palette_side + self.bar_region / 2 - self.bar_height / 2
     dhistogram = self.display_histogram()
     maxcount = 1
     if dhistogram:
         maxcount = float(max(dhistogram.values()))
     for i in xrange(self.palette_side):
         color_value = self.interpolation_value(i)
         color = self.scale.interpolate_color(color_value)
         adjustment = (dhistogram.get(i, 0) / maxcount) * self.histogram_region
         #print i, adjustment
         svg.rect("V" + color,
                  i, bary,
                  1, adjustment + self.bar_height, color)
     circley = self.palette_side + self.bar_region / 2
     m = self.scale.minvalue
     M = self.scale.maxvalue
     for (value, clr) in self.scale.breakpoints:
         color = color_scale.color(clr)
         circlex = (value - m)/(M - m) * self.palette_side
         name = "breakpoint_" + color
         self.add_circle(name, circlex, circley, color)
     svg.text(None, 0, 0, self.title, "black")
     svg.text(None, 0, bary, "%3.1f" % m, "black")
     atts = {"text-anchor": "end"}
     svg.text(None, self.palette_side, bary, "%3.1f" % M, "black", **atts)
     if m < 0 and M > 0:
         zvalue = self.display_value(0)
         svg.text(None, zvalue, bary, "0", "black")
     svg.send_commands()
예제 #2
0
파일: dGraph.py 프로젝트: hainm/jp_gene_viz
def draw_heat_map(canvas, a, dx, dy):
    lowclr = clr(200, 255, 255)
    highclr = clr(255, 200, 0)
    maxval = numpy.max(a)
    minval = numpy.min(a)
    diff = maxval - minval
    if diff<0.1:
        return
    for i in xrange(len(a)):
        rowi = a[i]
        for j in xrange(len(rowi)):
            val = rowi[j]
            intensity = (val - minval)/diff
            iclr = (1-intensity)*lowclr + intensity*highclr
            canvas.rect(None, i*dx, j*dy, dx, dy, color(iclr))
    canvas.send_commands()