Python VerticalBarChart.barWidth方法代码示例

# 需要导入模块: from reportlab.graphics.charts.barcharts import VerticalBarChart [as 别名]
# 或者: from reportlab.graphics.charts.barcharts.VerticalBarChart import barWidth [as 别名]
def generateversionchart((versionpickle, picklehash, imagedir, pickledir)):
	datapickle = open(os.path.join(pickledir, versionpickle), 'rb')
	data = cPickle.load(datapickle)
	datapickle.close()

	## calculate the possible widths and heights of chart, bars, labels and so on
	maxversionstring = max(map(lambda x: len(x[0]), data))

	barwidth = 15
	chartwidth = len(data) * barwidth + 10 * len(data)

	maxvalue = max(map(lambda x: x[1], data))
	step = int(math.log(maxvalue,10))
	valueStep = pow(10,step)

	## calculate a possible good value for startx and starty so labels are not cut off
	startx = max(10 + step * 10, 30)

	## TODO: fiddle with values to create nicer looking graphs
	starty = maxversionstring * 10 + 20

	drawheight = 225 + starty
	drawwidth = chartwidth + startx + 10

	## create the drawing
	drawing = Drawing(drawwidth, drawheight)
	bc = VerticalBarChart()
	bc.x = startx
	bc.y = starty
	bc.height = 200
	bc.width = chartwidth
	bc.data = [tuple(map(lambda x: x[1], data))]
	bc.strokeColor = colors.white
	bc.valueAxis.valueMin = 0
	bc.valueAxis.labels.fontSize = 16
	bc.valueAxis.valueMax = maxvalue
	bc.valueAxis.valueStep = valueStep
	bc.categoryAxis.labels.boxAnchor = 'w'
	bc.categoryAxis.labels.dx = 0
	bc.categoryAxis.labels.dy = -2
	bc.categoryAxis.labels.angle = -90
	bc.categoryAxis.labels.fontSize = 16
	bc.categoryAxis.categoryNames = map(lambda x: x[0], data)
	bc.barWidth = barwidth

	drawing.add(bc)
	outname = os.path.join(imagedir, picklehash)

	renderPM.drawToFile(drawing, outname, fmt='PNG')
	return picklehash

# 需要导入模块: from reportlab.graphics.charts.barcharts import VerticalBarChart [as 别名]
# 或者: from reportlab.graphics.charts.barcharts.VerticalBarChart import barWidth [as 别名]
def run(self, include_sub_survey=False, dimensions=[]):

    # Build data set
    averages = []
    category_names = []
    
    for dimension in self.getDimensions():
        averages.append(self.get_average_score_for_dimension(
            include_sub_survey=include_sub_survey,
            dimension=dimension))
        category_names.append(dimension)
        
    drawing = Drawing(600, 300)
    
    bc = VerticalBarChart()         
    bc.x = 20
    bc.y = 20  
    bc.height = 260
    bc.width = 580
    bc.data = [averages]
    bc.categoryAxis.categoryNames = category_names
    bc.categoryAxis.labels.fontName = 'Helvetica'
    bc.categoryAxis.labels.fontSize = 10
    bc.categoryAxis.labels.textAnchor = 'middle'
    bc.categoryAxis.visibleTicks = 0
    bc.valueAxis.valueMax = 100.0
    bc.valueAxis.valueMin = min(averages, 0)
    bc.valueAxis.labels.fontName = 'Helvetica'
    bc.valueAxis.labels.fontSize = 10
    bc.valueAxis.labels.textAnchor = 'middle'
    bc.barLabelFormat = '%.0f'
    bc.barLabels.dy = 8
    bc.barLabels.fontName = 'Helvetica'
    bc.barLabels.fontSize = 10
    bc.barWidth = len(averages)
    bc.fillColor = None

    drawing.add(bc)
    
    # Write out
    data = drawing.asString('png')
    request = self.REQUEST
    response = request.RESPONSE
    response.setHeader('Content-Type', 'image/png')
    response.setHeader('Content-Disposition','inline; filename=%s.png' % self.getId())
    response.setHeader('Content-Length', len(data))           
    response.setHeader('Cache-Control', 's-maxage=0')
    
    return data

# 需要导入模块: from reportlab.graphics.charts.barcharts import VerticalBarChart [as 别名]
# 或者: from reportlab.graphics.charts.barcharts.VerticalBarChart import barWidth [as 别名]
def letrasGrafico(data):
    "Make a slightly pathologic bar chart with only TWO data items."
    drawing = Drawing(800, 300)
    bc = VerticalBarChart()
    bc.x = 50
    bc.y = -10
    bc.height = 300
    bc.width = 300
    bc.barWidth = 15
    bc.Title = "Frencuencias en "
    bc.data = data
    #bc.strokeColor = colors.black
    bc.valueAxis.valueMin = 0
    bc.valueAxis.valueMax = 7000
    bc.valueAxis.valueStep = 500
    bc.categoryAxis.labels.boxAnchor = 'e'
    bc.categoryAxis.labels.angle = 0
    abc = "abcdefghijklmnopqrstuvwxyz"
    bc.categoryAxis.categoryNames = list(abc)
    drawing.add(bc)
    return drawing

# 需要导入模块: from reportlab.graphics.charts.barcharts import VerticalBarChart [as 别名]
# 或者: from reportlab.graphics.charts.barcharts.VerticalBarChart import barWidth [as 别名]
def myBarChart(data):
    drawing = Drawing(400, 200)
    bc = VerticalBarChart()
    bc.x = 50
    bc.y = 50
    bc.height = 125
    bc.width = 300
    bc.data = data
    bc.barWidth = .3*inch
    bc.groupSpacing = .2 * inch
    bc.strokeColor = colors.black
    bc.valueAxis.valueMin = 0
    bc.valueAxis.valueMax = 100
    bc.valueAxis.valueStep = 10
    bc.categoryAxis.labels.boxAnchor = 'ne'
    bc.categoryAxis.labels.dx = 8
    bc.categoryAxis.labels.dy = -2
    catNames = string.split('Trial1 Trial2 Trial3 Trial4 Trial5')
    bc.categoryAxis.categoryNames = catNames
    bc.bars[0].fillColor = colors.blue
    bc.bars[1].fillColor = colors.lightblue
    drawing.add(bc)
    return drawing