def simple_random(): color ='000000' bg='FFFFFF' size=60 chart = RadarChart(120, 120, y_range=(0,100) ) chart.add_data([0] * 2) chart.add_data([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100]) chart.add_data([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,size*1.5]) chart.add_data([size,0,0,0,0,0,0,0,0,0,0,0,0,0,size,0]) chart.add_data([100] * 2) #chart.add_fill_range(color, 0, 2) chart.set_colours( [bg, 'BBBBBB', color, color, bg] ) chart.set_axis_labels(Axis.BOTTOM, ['N', '', 'NE', '', 'E', '', 'SE', '', 'S', '', 'SW', '', 'W', '', 'NW', '']) chart.set_axis_style(0, 'BBBBBB', 10, 0, 'l', bg); chart.set_line_style(1, 1) chart.set_line_style(2, 1+size/30) chart.set_line_style(3, 1+size/30) print chart.get_url() chart.download('test.png')
def render(self,data={}, context={}): # Prepare config config = ChartConfig() if context.has_key('chart'): config.__dict__.update(context['chart']) config.__dict__.update(self.__dict__) tail_config = ChartConfig() tail_config.__dict__.update(config.__dict__) if config.tail: tail_config.__dict__.update(config.tail) else: tail_config.color = "00000000" arrow_config = ChartConfig() arrow_config.__dict__.update(config.__dict__) arrow_config.text = "00000000" if config.arrow: arrow_config.__dict__.update(config.arrow) else: arrow_config.color = "00000000" gust_config = ChartConfig() gust_config.__dict__.update(config.__dict__) gust_config.text = "00000000" if config.max: gust_config.__dict__.update(config.max) else: gust_config.color = "00000000" trace_config = ChartConfig() trace_config.__dict__.update(config.__dict__) if config.trace: trace_config.__dict__.update(config.trace) sectors_config = ChartConfig() sectors_config.__dict__.update(config.__dict__) if config.sectors: sectors_config.__dict__.update(config.sectors) bars_config = ChartConfig() bars_config.__dict__.update(config.__dict__) if config.bars: bars_config.__dict__.update(config.bars) lines_config = ChartConfig() lines_config.__dict__.update(config.__dict__) if config.lines: lines_config.__dict__.update(config.lines) else: lines_config.color = "00000000" lines_config.gust = "00000000" areas_config = ChartConfig() areas_config.__dict__.update(config.__dict__) if config.areas: areas_config.__dict__.update(config.areas) beaufort_config = ChartConfig() beaufort_config.__dict__.update(config.__dict__) if config.beaufort: beaufort_config.__dict__.update(config.beaufort) # Prepare data max = config.median * 2 if data[self.key].has_key('sectors'): sector_data = data[self.key]['sectors'] # 'old' sector from db datasource else: if data.has_key(self.sector_key): # 'new' sector data from accumulator sector_data = self.calculate_accumulated_sector_data(data[self.sector_key]['series']) else: if data[self.key].has_key('series'): sector_data = self.calculate_cheap_sector_data(data[self.key]['series']) else: sector_data = None if data[self.key].has_key('value'): current_noscale = data[self.key]['value'] last_gust_noscale = data[self.key]['max'] pos = int(round(data[self.key]['deg'] * 16 / 360.0)) if pos > 15: pos = 0 current = self.scale(current_noscale, config.median, config.radius) last_gust_scaled = self.scale(last_gust_noscale, config.median, config.radius) arrow_thickness = 0.3+3.0*arrow_config.thickness*current/max if config.bars or config.areas or config.sectors: avg = [] for val in sector_data['avg']: avg.append(self.scale(val, config.median, config.radius)) avg.append(avg[0]) gust = [] for val in sector_data['max']: gust.append(self.scale(val, config.median, config.radius)) gust.append(gust[0]) else: avg = [0] * 16 gust = [0] * 16 line = [0] * 16 crown = [max] * 16 tail = [0] * 16 last_gust = [0] * 16 head = [0] * 16 if data[self.key].has_key('value'): line[pos] = max if current > 0 else 0 tail[pos] = current last_gust[pos] = last_gust_scaled head[ (pos - 1 + 16) % 16 ] = current*0.6 head[ (pos + 16) % 16 ] = current*0.3 head[ (pos + 1) % 16 ] = current*0.6 chart = RadarChart(config.width, config.height, y_range=(0,max) ) chart.add_data([0] * 2) chart.add_data(line) chart.add_data(gust) chart.add_data(avg) chart.add_data(crown) chart.add_data(tail) chart.add_data(head) chart.add_data(last_gust) if config.bars: chart.add_marker(2, -1, "v", _valid_color(bars_config.gust), bars_config.thickness, -1) chart.add_marker(3, -1, "v", _valid_color(bars_config.color), bars_config.thickness, -1) if config.beaufort: chart.add_marker(0, "220:0.9", "@t"+str(int(round(wfcommon.units.MpsToBft(current_noscale)))), _valid_color(beaufort_config.color) + "%02x" % (beaufort_config.intensity*255), rmin(config.height, config.width)-config.size*5, -1) colors = ["00000000", _valid_color(tail_config.color), _valid_color(lines_config.gust), _valid_color(lines_config.color), "00000000", _valid_color(arrow_config.color), _valid_color(arrow_config.color), "00000000"] if config.sectors: for i in range(0,16): sec = [0] * 16 avg = self.scale(sector_data['avg'][i], config.median, config.radius) freq_value = sector_data['freq'][i]*255 freq_value = rmin(255, (1+2*sectors_config.intensity) * freq_value) freq = "%02x" % int(freq_value) start = i-0.5 stop = i+0.5 chart.add_vertical_range(_valid_color(sectors_config.color)+freq, start, stop) if config.trace: nval = len(data[self.key]['series']['deg']) nbullet = rmin(trace_config.length, nval) minsize = trace_config.size / float(trace_config.ratio) maxsize = trace_config.size size = float(maxsize) inc = (maxsize-minsize) / nbullet n = 0 for p in reversed(data[self.key]['series']['deg']): chart.add_marker(4, int(p/22.5), 'o', _valid_color(trace_config.color), size) size = size - inc n = n + 1 if n == nbullet: break if config.areas: chart.add_fill_range(_valid_color(areas_config.gust), 3, 2) chart.add_fill_range(_valid_color(areas_config.color), 3, 0) if config.max: chart.add_marker(7, pos, 'o', _valid_color(gust_config.color), gust_config.thickness) chart.add_marker(7, pos, 't'+str(round(last_gust_noscale,1)), _valid_color(gust_config.text), gust_config.size) if config.arrow: chart.add_marker(0, 0, 'o', _valid_color(arrow_config.color), arrow_thickness) chart.add_marker(5, pos, 't'+str(round(current_noscale,1)), _valid_color(arrow_config.text), arrow_config.size) chart.add_fill_range(_valid_color(arrow_config.fill), 6, 0) chart.set_colours( colors ) if config.axes: chart.set_axis_labels(Axis.BOTTOM, ['N', '', 'NE', '', 'E', '', 'SE', '', 'S', '', 'SW', '', 'W', '', 'NW', '']) chart.set_axis_style(0, _valid_color(config.text), config.size, 0, 'l', _valid_color(config.bgcolor)); if data[self.key].has_key('value'): chart.set_line_style(1, tail_config.thickness) else: chart.set_line_style(1, 0) chart.set_line_style(2, lines_config.thickness) chart.set_line_style(3, lines_config.thickness) chart.set_line_style(4, 0) if data[self.key].has_key('value'): chart.set_line_style(5, arrow_thickness) chart.set_line_style(6, arrow_thickness) else: chart.set_line_style(5, 0) chart.set_line_style(6, 0) chart.fill_solid(Chart.BACKGROUND, _valid_color(config.bgcolor)) return chart.get_url()
def render(self, data={}, context={}): # Prepare config config = ChartConfig() if context.has_key('chart'): config.__dict__.update(context['chart']) config.__dict__.update(self.__dict__) tail_config = ChartConfig() tail_config.__dict__.update(config.__dict__) if config.tail: tail_config.__dict__.update(config.tail) else: tail_config.color = "00000000" arrow_config = ChartConfig() arrow_config.__dict__.update(config.__dict__) arrow_config.text = "00000000" if config.arrow: arrow_config.__dict__.update(config.arrow) else: arrow_config.color = "00000000" gust_config = ChartConfig() gust_config.__dict__.update(config.__dict__) gust_config.text = "00000000" if config.max: gust_config.__dict__.update(config.max) else: gust_config.color = "00000000" trace_config = ChartConfig() trace_config.__dict__.update(config.__dict__) if config.trace: trace_config.__dict__.update(config.trace) sectors_config = ChartConfig() sectors_config.__dict__.update(config.__dict__) if config.sectors: sectors_config.__dict__.update(config.sectors) bars_config = ChartConfig() bars_config.__dict__.update(config.__dict__) if config.bars: bars_config.__dict__.update(config.bars) lines_config = ChartConfig() lines_config.__dict__.update(config.__dict__) if config.lines: lines_config.__dict__.update(config.lines) else: lines_config.color = "00000000" lines_config.gust = "00000000" areas_config = ChartConfig() areas_config.__dict__.update(config.__dict__) if config.areas: areas_config.__dict__.update(config.areas) beaufort_config = ChartConfig() beaufort_config.__dict__.update(config.__dict__) if config.beaufort: beaufort_config.__dict__.update(config.beaufort) # Prepare data max = config.median * 2 if data[self.key].has_key('sectors'): sector_data = data[self.key][ 'sectors'] # 'old' sector from db datasource else: if data.has_key( self.sector_key): # 'new' sector data from accumulator sector_data = self.calculate_accumulated_sector_data( data[self.sector_key]['series']) else: if data[self.key].has_key('series'): sector_data = self.calculate_cheap_sector_data( data[self.key]['series']) else: sector_data = None if data[self.key].has_key('value'): current_noscale = data[self.key]['value'] last_gust_noscale = data[self.key]['max'] pos = int(round(data[self.key]['deg'] * 16 / 360.0)) if pos > 15: pos = 0 current = self.scale(current_noscale, config.median, config.radius) last_gust_scaled = self.scale(last_gust_noscale, config.median, config.radius) arrow_thickness = 0.3 + 3.0 * arrow_config.thickness * current / max if config.bars or config.areas or config.sectors: avg = [] for val in sector_data['avg']: avg.append(self.scale(val, config.median, config.radius)) avg.append(avg[0]) gust = [] for val in sector_data['max']: gust.append(self.scale(val, config.median, config.radius)) gust.append(gust[0]) else: avg = [0] * 16 gust = [0] * 16 line = [0] * 16 crown = [max] * 16 tail = [0] * 16 last_gust = [0] * 16 head = [0] * 16 if data[self.key].has_key('value'): line[pos] = max if current > 0 else 0 tail[pos] = current last_gust[pos] = last_gust_scaled head[(pos - 1 + 16) % 16] = current * 0.6 head[(pos + 16) % 16] = current * 0.3 head[(pos + 1) % 16] = current * 0.6 chart = RadarChart(config.width, config.height, y_range=(0, max)) chart.add_data([0] * 2) chart.add_data(line) chart.add_data(gust) chart.add_data(avg) chart.add_data(crown) chart.add_data(tail) chart.add_data(head) chart.add_data(last_gust) if config.bars: chart.add_marker(2, -1, "v", _valid_color(bars_config.gust), bars_config.thickness, -1) chart.add_marker(3, -1, "v", _valid_color(bars_config.color), bars_config.thickness, -1) if config.beaufort: chart.add_marker( 0, "220:0.9", "@t" + str(int(round(wfcommon.units.MpsToBft(current_noscale)))), _valid_color(beaufort_config.color) + "%02x" % (beaufort_config.intensity * 255), rmin(config.height, config.width) - config.size * 5, -1) colors = [ "00000000", _valid_color(tail_config.color), _valid_color(lines_config.gust), _valid_color(lines_config.color), "00000000", _valid_color(arrow_config.color), _valid_color(arrow_config.color), "00000000" ] if config.sectors: for i in range(0, 16): sec = [0] * 16 avg = self.scale(sector_data['avg'][i], config.median, config.radius) freq_value = sector_data['freq'][i] * 255 freq_value = rmin(255, (1 + 2 * sectors_config.intensity) * freq_value) freq = "%02x" % int(freq_value) start = i - 0.5 stop = i + 0.5 chart.add_vertical_range( _valid_color(sectors_config.color) + freq, start, stop) if config.trace: nval = len(data[self.key]['series']['deg']) nbullet = rmin(trace_config.length, nval) minsize = trace_config.size / float(trace_config.ratio) maxsize = trace_config.size size = float(maxsize) inc = (maxsize - minsize) / nbullet n = 0 for p in reversed(data[self.key]['series']['deg']): chart.add_marker(4, int(p / 22.5), 'o', _valid_color(trace_config.color), size) size = size - inc n = n + 1 if n == nbullet: break if config.areas: chart.add_fill_range(_valid_color(areas_config.gust), 3, 2) chart.add_fill_range(_valid_color(areas_config.color), 3, 0) if config.max: chart.add_marker(7, pos, 'o', _valid_color(gust_config.color), gust_config.thickness) chart.add_marker(7, pos, 't' + str(round(last_gust_noscale, 1)), _valid_color(gust_config.text), gust_config.size) if config.arrow: chart.add_marker(0, 0, 'o', _valid_color(arrow_config.color), arrow_thickness) chart.add_marker(5, pos, 't' + str(round(current_noscale, 1)), _valid_color(arrow_config.text), arrow_config.size) chart.add_fill_range(_valid_color(arrow_config.fill), 6, 0) chart.set_colours(colors) if config.axes: chart.set_axis_labels(Axis.BOTTOM, [ 'N', '', 'NE', '', 'E', '', 'SE', '', 'S', '', 'SW', '', 'W', '', 'NW', '' ]) chart.set_axis_style(0, _valid_color(config.text), config.size, 0, 'l', _valid_color(config.bgcolor)) if data[self.key].has_key('value'): chart.set_line_style(1, tail_config.thickness) else: chart.set_line_style(1, 0) chart.set_line_style(2, lines_config.thickness) chart.set_line_style(3, lines_config.thickness) chart.set_line_style(4, 0) if data[self.key].has_key('value'): chart.set_line_style(5, arrow_thickness) chart.set_line_style(6, arrow_thickness) else: chart.set_line_style(5, 0) chart.set_line_style(6, 0) chart.fill_solid(Chart.BACKGROUND, _valid_color(config.bgcolor)) return chart.get_url()