def render(self, context): qs = context[self.var_name] tmp = StringIO.StringIO() P = [c.p_bary for c in qs.all() if c.p_bary > 0] cv = SVGCanvas(940, 550, background_color='white') if P: binned = bin_data_log(P, 200) pc = PlotContainer(0, -20, 950, 550, color='black', x_log=True) pc.bottom.set_label('Period (ms)') pc.top.hide_label() pc.left.set_label('Count') pc.right.hide_label() hp = HistogramPlotter(binned, color='black') pc.add_plotter(hp) cv.add_plot_container(pc) # write number of candidates shown: tf = TextFragment(50, 520, '(Showing %d candidates.)' % len(P), color='black', font_size=15) cv.add_plot_container(tf) else: tf = TextFragment(200, 200, 'No Candidates found.', color='red', font_size=50) cv.add_plot_container(tf) tmp = StringIO.StringIO() cv.draw(tmp) return tmp.getvalue()
def plot_snr_scatter(cv, foreground, background, lodm, hidm, marker_dms, fallback): ''' Add SNR versus DM scatter plot pulsetrain diagnostic plot. Note: for internal use, call the diagnostic.plot() function in stead. ''' pc2 = PlotContainer(740, 150, 300, 600, data_padding=PADDING) pc2.right.hide_label() pc2.right.hide_tickmarklabels() pc2.left.hide_label() pc2.left.hide_tickmarklabels() pc2.bottom.hide_label() pc2.top.set_label('SNR') scp2 = ScatterPlotter([x[1] for x in foreground], [x[0] for x in foreground], color='red') scp3 = ScatterPlotter([x[1] for x in background], [x[0] for x in background], color='black') pc2.add(scp3, fallback) pc2.add(scp2, fallback) pc2.set_minimum_y_range(lodm, hidm) for m_dm in marker_dms: if lodm <= m_dm <= hidm: pc2.add(YLimitPlotter(m_dm, color='orange')) cv.add(pc2)
def plot_profile(cv, x, y, width, height, bestprof_inst, *args, **kwargs): psr_name = kwargs.get('psr_name', '') data_set = kwargs.get('data_set', '') beam_ra = kwargs.get('beam_ra', None) beam_dec = kwargs.get('beam_dec', None) if beam_ra != None and beam_dec != None: if isintance(beam_ra, BaseString): pass elif isinstance(beam_ra, RightAscension): pass # Some futzing with the position and size because the axes are not # drawn, normally they get 50 px. pc = PlotContainer(x - 50, y - 50, width + 100, height + 100, data_padding=0) pc.hide_axes() bpf = bestprof_inst pp = LinePlotter(bpf.profile, use_markers=False) pc.add_plotter(pp) TEXTSIZE = 10 cv.add_plot_container(pc) if psr_name: cv.add_plot_container(TextFragment(x + 0, y + height + TEXTSIZE, 'PSR ' + psr_name, font_size=TEXTSIZE)) elif bpf.psr_name: cv.add_plot_container(TextFragment(x + 0, y + height + TEXTSIZE, bpf.psr_name, font_size=TEXTSIZE)) else: cv.add_plot_container(TextFragment(x + 0, y + height + TEXTSIZE, 'PSR UNKNOWN', font_size=TEXTSIZE)) cv.add_plot_container(TextFragment(x + 0, y + height + 2 * TEXTSIZE, '%.2f ms' % bpf.header.p_bary[0], alignment='start', font_size=TEXTSIZE)) cv.add_plot_container(TextFragment(x + width, y + height + 2 * TEXTSIZE, '%.3f pc cm^-3' % bpf.header.best_dm, alignment='end', font_size=TEXTSIZE))
def plot_profile(cv, x, y, width, height, bestprof_inst, *args, **kwargs): psr_name = kwargs.get('psr_name', '') data_set = kwargs.get('data_set', '') beam_ra = kwargs.get('beam_ra', None) beam_dec = kwargs.get('beam_dec', None) if beam_ra != None and beam_dec != None: if isintance(beam_ra, BaseString): pass elif isinstance(beam_ra, RightAscension): pass # Some futzing with the position and size because the axes are not # drawn, normally they get 50 px. pc = PlotContainer(x - 50, y - 50, width + 100, height + 100, data_padding=0) pc.hide_axes() bpf = bestprof_inst pp = LinePlotter(bpf.profile, use_markers=False) pc.add_plotter(pp) TEXTSIZE = 10 cv.add_plot_container(pc) if psr_name: cv.add_plot_container( TextFragment(x + 0, y + height + TEXTSIZE, 'PSR ' + psr_name, font_size=TEXTSIZE)) elif bpf.psr_name: cv.add_plot_container( TextFragment(x + 0, y + height + TEXTSIZE, bpf.psr_name, font_size=TEXTSIZE)) else: cv.add_plot_container( TextFragment(x + 0, y + height + TEXTSIZE, 'PSR UNKNOWN', font_size=TEXTSIZE)) cv.add_plot_container( TextFragment(x + 0, y + height + 2 * TEXTSIZE, '%.2f ms' % bpf.header.p_bary[0], alignment='start', font_size=TEXTSIZE)) cv.add_plot_container( TextFragment(x + width, y + height + 2 * TEXTSIZE, '%.3f pc cm^-3' % bpf.header.best_dm, alignment='end', font_size=TEXTSIZE))
def render(self, context): qs = context[self.var_name] P = [c.p_bary for c in qs.all() if c.best_dm > 0] DM = [c.best_dm for c in qs.all() if c.best_dm > 0] REDCHISQ = [c.reduced_chi_sq for c in qs.all() if c.best_dm > 0] LINKS = [reverse('bestprof_detail', args=[c.pk]) for c in qs.all() if c.best_dm > 0] RA = [c.ra_deg for c in qs.all() if c.best_dm > 0] DEC = [c.dec_deg for c in qs.all() if c.best_dm > 0] cv = SVGCanvas(940, 550, background_color='white') if P: lo_dm = min(DM) max_dm = max(DM) pc = PlotContainer(0, -20, 880, 550, color='black', x_log=True, y_log=True, data_background_color='gray') gr = RGBGradient((lo_dm, max_dm), (0, 0, 1), (1, 0, 0)) scp = ScatterPlotter(P, REDCHISQ, RA, DEC, DM, gradient=gr, gradient_i=4, links=LINKS, symbol=RADECSymbol) pc.add_plotter(scp) # pc.top.hide_tickmarklabels() pc.top.hide_label() # pc.right.hide_tickmarklabels() pc.right.hide_label() pc.left.set_label('Reduced Chi Square') pc.bottom.set_label('Period (ms)') cv.add_plot_container(pc) # Gradient: pc = PlotContainer(820, -20, 120, 550, color='black', data_padding=0) pc.top.hide_label() pc.top.hide_tickmarks() pc.left.hide_tickmarks() pc.bottom.hide_label() pc.bottom.hide_tickmarks() pc.left.hide_label() pc.right.set_label('Dispersion Measure cm^-3 pc') pc.add_plotter(GradientPlotter(gr)) cv.add_plot_container(pc) # write number of candidates shown: tf = TextFragment(50, 520, '(Showing %d candidates.)' % len(P), color='black', font_size=15) cv.add_plot_container(tf) else: tf = TextFragment(200, 200, 'No Candidates found.', color='red', font_size=50) cv.add_plot_container(tf) tmp = StringIO.StringIO() cv.draw(tmp) return tmp.getvalue()
def plot_main_panel(cv, foreground, background, lodm, hidm, marker_dms, fallback): ''' Add main panel to pulsetrain diagnostic plot. Note: for internal use, call the diagnostic.plot() function in stead. ''' # Main panel, detections on the time-DM plane pc1 = PlotContainer(0, 150, 830, 600, data_padding=PADDING) pc1.right.hide_label() pc1.right.hide_tickmarklabels() pc1.bottom.hide_label() pc1.left.set_label('DM') pc1.top.set_label('Time (s)') pc1.add(DetectionPlotterTuples(background, color='black'), fallback) pc1.add(DetectionPlotterTuples(foreground, color='red'), fallback) pc1.set_minimum_y_range(lodm, hidm) for m_dm in marker_dms: if lodm <= m_dm <= hidm: pc1.add(YLimitPlotter(m_dm, color='orange')) cv.add(pc1)
collapsed_v = numpy.max(ar, axis=1) dt = (options.e - options.s) / len(collapsed_v) edges_t = [options.s + i * dt for i in range(len(collapsed_v) + 1)] bins_t = [] for ii, val in enumerate(collapsed_v): bins_t.append((edges_t[ii], edges_t[ii + 1], val)) # Do the plots: PLOT_HEIGHT = 600 TYPE2TITLE = {'N': 'Count', 'M': 'Max(SNR)', 'S': 'Sum(SNR)'} # Main panel, color-coded number of detections on DM-trial-time plane: pc_main = PlotContainer(0, -30, 900, PLOT_HEIGHT) pc_main.bottom.hide_label() pc_main.bottom.hide_tickmarklabels() pc_main.top.hide_label() pc_main.top.hide_tickmarklabels() pc_main.right.hide_tickmarklabels() pc_main.right.hide_label() pc_main.left.set_label('DM Index') pc_main.add_plotter(SinglePulsePlotter(png_str, (options.s, min_dmi, options.e, max_dmi))) pc_main.set_minimum_data_bbox((options.s, min_dmi, options.e, max_dmi)) cv.add_plot_container(pc_main) # First right-side panel, histogram of number of detections versus DM: pc_right1 = PlotContainer(820, -30, 270, PLOT_HEIGHT) pc_right1.add_plotter(HistogramPlotter(bins_dmi, False,
from brp.svg.plotters.gradient import RGBGradient, GradientPlotter from brp.svg.plotters.crosshair import CrossHairPlotter from brp.svg.plotters.limit import XLimitPlotter, YLimitPlotter from brp.svg.plotters.legend import LegendPlotter, UNDER_PLOT, BOTTOMLEFT from brp.core.interval import stretch_interval from brp.svg.plotters.histogram import HistogramPlotter, bin_data from brp.svg.plotters.error import ErrorPlotter from brp.svg.plotters.linkbox import LinkBox if __name__ == '__main__': # Draw a simple scatter + line plot to SVG (dumped to standard out). cv = SVGCanvas(1000, 2500) c = PlotContainer(100, 100, 600, 400, background_color="white", x_log=True, y_log=True) TMP = [10 * x + 10 for x in range(99)] TMP2 = [10 * x + 10 for x in range(99)] TMP2.reverse() gr = RGBGradient((200, 800), (1, 0, 0), (0, 0, 1)) c.add_plotter( LinePlotter(TMP, TMP, gradient=gr, gradient_i=1, symbol=BaseSymbol, linepattern='2 2 8 2'))
def plot_count_histogram(cv, dms, foreground, background, lodm, hidm, marker_dms): ''' Add candidates per DM histogram to pulse train diagnostic. Note: for internal use, call the diagnostic.plot() function in stead. ''' # Determine the brp style histogram bins: fg_bins, bg_bins, total_bins = \ bin_candidates(dms, foreground, background, lodm, hidm) # Plot histogram of number of detections per DM trial pc3 = PlotContainer(950, 150, 300, 600, data_padding=PADDING) pc3.left.hide_label() pc3.left.hide_tickmarklabels() pc3.bottom.hide_label() pc3.top.set_label('N') pc3.add(HistogramPlotter(bg_bins, orientation='vertical', color='black')) pc3.add(HistogramPlotter(total_bins, orientation='vertical', color='gray')) pc3.add(HistogramPlotter(fg_bins, orientation='vertical', color='red')) pc3.right.set_label('DM') pc3.set_minimum_y_range(lodm, hidm) for m_dm in marker_dms: if lodm <= m_dm <= hidm: pc3.add(YLimitPlotter(m_dm, color='orange')) cv.add(pc3)
from brp.svg.plotters.symbol import RasterDebugSymbol from brp.svg.plotters.line import LinePlotter from brp.svg.plotters.scatter import ScatterPlotter from brp.svg.plotters.gradient import RGBGradient, GradientPlotter from brp.svg.plotters.crosshair import CrossHairPlotter from brp.svg.plotters.limit import XLimitPlotter, YLimitPlotter from brp.svg.plotters.legend import LegendPlotter, UNDER_PLOT, BOTTOMLEFT from brp.core.interval import stretch_interval from brp.svg.plotters.histogram import HistogramPlotter, bin_data from brp.svg.plotters.error import ErrorPlotter from brp.svg.plotters.linkbox import LinkBox if __name__ == "__main__": # Draw a simple scatter + line plot to SVG (dumped to standard out). cv = SVGCanvas(1000, 2500) c = PlotContainer(100, 100, 600, 400, background_color="white", x_log=True, y_log=True) TMP = [10 * x + 10 for x in range(99)] TMP2 = [10 * x + 10 for x in range(99)] TMP2.reverse() gr = RGBGradient((200, 800), (1, 0, 0), (0, 0, 1)) c.add_plotter(LinePlotter(TMP, TMP, gradient=gr, gradient_i=1, symbol=BaseSymbol, linepattern="2 2 8 2")) c.add_plotter(ScatterPlotter(TMP, TMP2, symbol=BaseSymbol, gradient=gr, gradient_i=0)) c.add_plotter(CrossHairPlotter(500, 500)) c.add_plotter(CrossHairPlotter(200, 700, color="red")) c.add_plotter(XLimitPlotter(300)) c.add_plotter(YLimitPlotter(300)) c.add_plotter(CrossHairPlotter(1e6, 1e6)) c.add_plotter(ScatterPlotter([1000], [1000], symbol=CrossHairSymbol, color="lime")) c.add_plotter(LinkBox((100, 100, 10000, 10000), "http://www.slashdot.org"))
if __name__ == '__main__': cv = SVGCanvas(1200, 1800) # ------------------------------------------------------ # -- For debugging RADECSymbol raster fallback --------- NPULSARS = 100 P = [random.uniform(0.001, 10) for i in range(NPULSARS)] DM = [random.uniform(1, 100) for i in range(NPULSARS)] RA = [random.uniform(0, 24) for i in range(NPULSARS)] DEC = [random.uniform(-90, 90) for i in range(NPULSARS)] SIGMA = [random.uniform(2, 15) for i in range(NPULSARS)] # plot pc = PlotContainer(0, 0, 600, 400) pc.add(ScatterPlotter(P, DM, RA, DEC, SIGMA, symbol=RADECSymbol)) cv.add(pc) pc = PlotContainer(600, 0, 600, 400) pc.add(ScatterPlotter(P, DM, RA, DEC, SIGMA, symbols=[RADECSymbol]), raster=True) cv.add(pc) # ------------------------------------------------------ # -- For debugging error bar raster fallback ----------- # LINEAR TRANSFORM CASE: # c = PlotContainer(0, 400, 600, 400, x_log=True, y_log=True) c = PlotContainer(600, 400, 600, 400)
def render(self, context): qs = context[self.var_name] tmp = StringIO.StringIO() cv = SVGCanvas(940, 550, background_color='white') P = [c.p_bary for c in qs.all() if c.best_dm > 0] DM = [c.best_dm for c in qs.all() if c.best_dm > 0] REDCHISQ = [c.reduced_chi_sq for c in qs.all() if c.best_dm > 0] LINKS = [ reverse('bestprof_detail', args=[c.pk]) for c in qs.all() if c.best_dm > 0 ] RA = [c.ra_deg for c in qs.all() if c.best_dm > 0] DEC = [c.dec_deg for c in qs.all() if c.best_dm > 0] if P: max_redchisq = max(REDCHISQ) min_redchisq = min(REDCHISQ) # Main panel showing candidate period-DM scatter plot: pc = PlotContainer(0, -20, 880, 550, color='black', x_log=True, y_log=True, data_background_color='gray') pc.bottom.set_label('Period (ms)') pc.top.hide_label() pc.left.set_label('Dispersion Measure (cm^-3 pc)') pc.right.hide_label() gr = RGBGradient((min_redchisq, max_redchisq), (0, 0, 1), (1, 0, 0)) scp = ScatterPlotter(P, DM, RA, DEC, REDCHISQ, gradient=gr, gradient_i=4, links=LINKS, symbol=RADECSymbol) pc.add_plotter(scp) cv.add_plot_container(pc) # Gradient: pc = PlotContainer(820, -20, 120, 550, color='black', data_padding=0) pc.top.hide_label() pc.top.hide_tickmarks() pc.left.hide_tickmarks() pc.bottom.hide_label() pc.bottom.hide_tickmarks() pc.left.hide_label() pc.right.set_label('Candidate Reduced Chi-Square') pc.add_plotter(GradientPlotter(copy.deepcopy(scp.gradient))) cv.add_plot_container(pc) # write number of candidates shown: tf = TextFragment(50, 520, '(Showing %d candidates.)' % len(P), color='black', font_size=15) cv.add_plot_container(tf) else: tf = TextFragment(200, 200, 'No Candidates found.', color='red', font_size=50) cv.add_plot_container(tf) cv.draw(tmp) return tmp.getvalue()
import sys from random import random as r from brp.svg.base import SVGCanvas, PlotContainer from brp.svg.plotters import newhist2d from brp.svg.plotters.gradient import GradientPlotter from brp.svg.plotters.line import LinePlotter if __name__ == '__main__': x_data = [r() for i in range(1000)] y_data = [r() for i in range(1000)] cv = SVGCanvas(1200, 800) p = PlotContainer(0, 0, 600, 400) h = newhist2d.Histogram2dPlotter(x_data, y_data, x_bins=100) gr = h.get_gradient() collapsed_x, yvalues = h.collapse_x() xvalues, collapsed_y = h.collapse_y() p.add(h) cv.add(p) p = PlotContainer(800, 0, 160, 400) p.add(GradientPlotter(gr, 'vertical')) cv.add(p) p = PlotContainer(600, 0, 200, 400) p.add(LinePlotter(collapsed_x, yvalues)) cv.add(p)
import sys #sys.path.append('../') from brp.svg.base import SVGCanvas, PlotContainer, TextFragment from brp.svg.plotters.histogram import HistogramPlotter, merge_bins if __name__ == '__main__': bins = [(0, 1, 10), (1, 2, 10), (2, 3, 11), (3, 4, 10), (4, 5, 10), (5, 6, 7)] cv = SVGCanvas(1200, 1200) # Histogram testing: c = PlotContainer(0, 0, 600, 400) c.add(HistogramPlotter(bins)) cv.add(c) cv.add(TextFragment(100, 100, 'Unmerged bins', color='red')) merged = merge_bins(bins) c2 = PlotContainer(600, 0, 600, 400) c2.add(HistogramPlotter(merged)) cv.add(c2) cv.add(TextFragment(700, 100, 'Merged bins', color='red')) cv.draw(sys.stdout)