Python Label.dy方法代码示例

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
    def _drawLabels(self, Title, xAxis, yAxis):
        self.graphCenterX = self.width/2
        self.graphCenterY = self.height/2
        Label_Xaxis = Label()
        Label_Xaxis.fontSize = 7
        Label_Xaxis.angle = 0
        Label_Xaxis.dx = self.graphCenterX - 50
        Label_Xaxis.dy = 0
        Label_Xaxis.boxAnchor = 's'
        Label_Xaxis.setText(xAxis)
        self.drawing.add(Label_Xaxis)

        Label_Yaxis = Label()
        Label_Yaxis.fontSize = 7
        Label_Yaxis.angle = 90
        Label_Yaxis.boxAnchor = 'n'
        Label_Yaxis.dx = -5
        Label_Yaxis.dy = self.graphCenterY
        Label_Yaxis.setText(yAxis)
        self.drawing.add(Label_Yaxis)

        Label_Graph = Label()
        Label_Graph.fontSize = 10
        Label_Graph.angle = 0
        Label_Graph.boxAnchor = 'n'
        Label_Graph.dx = self.graphCenterX - 50
        Label_Graph.dy = self.height
        Label_Graph.setText(Title)
        self.drawing.add(Label_Graph)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
def addChromosomes(drawing, chrNames, chrSizes, xmap, ymap, w=0.1*DPI, fillColor=colors.skyblue, strokeColor=colors.skyblue):
    for i,chrom in enumerate(chrNames):
        x = xmap(i+1)
        y = ymap(chrSizes[chrom])
        h = ymap(1)-ymap(chrSizes[chrom])
        
        chromosome = Rect(x,y,w,h, strokeColor=strokeColor, fillColor=fillColor)
        drawing.add(chromosome)
        
        topCap = Wedge(x+0.5*w, y+h, 0.5*w, 0, 180, strokeColor=strokeColor, fillColor=fillColor)
        bottomCap = Wedge(x+0.5*w, y, 0.5*w, 180, 0, strokeColor=strokeColor, fillColor=fillColor)
        drawing.add(topCap)
        drawing.add(bottomCap)
        
        label = Label()
        label.setOrigin(xmap(i+1)+w/2, ymap(0))
        label.boxAnchor = 's'
        label.textAnchor = 'middle'
        label.dx = 0
        label.dy = DPI/10
        label.setText(chrom)
        label.fontSize = 36
        label.fontName = 'Helvetica'
        drawing.add(label)
        
        chrLength = Label()
        chrLength.setOrigin(xmap(i+1)+w/2, ymap(chrSizes[chrom]))
        chrLength.boxAnchor = 'n'
        chrLength.textAnchor = 'middle'
        chrLength.dx = 0
        chrLength.dy = -DPI/10
        chrLength.setText('%iMb' % int(chrSizes[chrom]/1e6))
        chrLength.fontSize = 24
        chrLength.fontName = 'Helvetica'
        drawing.add(chrLength)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
    def draw_travels(self):
        for p in self.world.packets:
            if self.detailed:
                txt = p.command()
            else:
                txt = "(%d) %s" % (p.number, p.description)
            last_action = (0,0)
            for ts in p.trip:
                action = self.packet_actions[ts.action]
                if ts.actor not in self.verticals:
                    self.verticals[ts.actor] = self.verticals[ts.actor.node]
                x2,y2 = self.verticals[ts.actor], -ts.time*self.yzoom
                if action.sprite:
                    self.sequence_diagram.add(shapes.Circle(x2, y2, 
                    action.size,  fillColor=action.color, strokeWidth=1 ))

                if action.travel:
                    if action.travel_desc:
                        # self.sequence_diagram.add(shapes.String((last_action[0] + x)/2,(last_action[1]+y)/2, label, fill=colors.black, textAnchor = 'middle'))
                        x1, y1 = last_action[0], last_action[1]
                        l = Label()
                        l.setText(txt) 
                        l.angle = atan2((y2-y1)/2, (x2-x1))*360.0/pi
                        l.dy = 10
                        l.setOrigin((x1 + x2)/2,(y1+y2)/2)
                        self.sequence_diagram.add(l)
                        
                        #anchor = Paragraph('<a name="diagram%d"/>' %p.number, styles['Normal'])
                    self.sequence_diagram.add(shapes.Line(last_action[0],last_action[1],x2,y2, strokeColor=colors.black, strokeWidth=1))
                    self.max_y = min(y2, self.max_y, last_action[1])
                last_action = (x2,y2)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
    def _makeProtoLabel(self):
        "Return a label prototype for further modification."

        protoLabel = Label()
        protoLabel.dx = 0
        protoLabel.dy = 0
        protoLabel.boxStrokeWidth = 0.1
        protoLabel.boxStrokeColor = colors.black
        protoLabel.boxFillColor = colors.yellow
        # protoLabel.text = 'Hello World!' # Does not work as expected.

        return protoLabel

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
def addLabel(drawing, x, y, text, fontName='Helvetica', fontSize=11, dy=0,
             angle=0, boxAnchor='sw', textAnchor='start'):
    """Add a label to the drawing. 
    This interface here is inconsistent in that it requires pixel coords. FIX
    This just sets convenient defaults for Label."""
    label = Label()
    label.setText(text)
    label.setOrigin(x, y)
    label.fontName = fontName
    label.fontSize = fontSize
    label.boxAnchor = boxAnchor
    label.textAnchor = textAnchor
    label.dy = dy
    label.angle = angle
    drawing.add(label)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
def addPointyCompoundFeature(drawing, xmap, y, gene, 
  strokeColor=None, fillColor=colors.blue, intronColor=colors.blue,
  glyph=PointyBlock, height=12, utrHeight=6, rise=8, 
  labeldy=10, fontSize=10, textAnchor='middle', boxAnchor='s'):
    """Adds a pointy compound feature to the drawing. This is typically
    several exons joined by zig-zag lines with an arrow showing strand."""
    if gene.strand=='+':
        x1,x2 = xmap(gene.start), xmap(gene.end)
    else:
        x2,x1 = xmap(gene.start), xmap(gene.end)
    y = y+height/2
    y1 = y
    line = Line(x1,y1,x2,y1,strokeColor=intronColor)
    drawing.add(line)
    
    for exon in gene:
        if exon.strand=='+':
            x1,x2 = xmap(exon.start), xmap(exon.end)
        else:
            x2,x1 = xmap(exon.start), xmap(exon.end)
        
        g = glyph()
        g.x = x1
        g.y = y
        if exon.kind.lower()=='utr':
            g.height = utrHeight
        else:
            g.height = height
        g.length = x2-x1
        g.fillColor = fillColor
        if strokeColor:
            g.strokeColor = strokeColor
        else:
            g.strokeColor = fillColor
        g.fontSize = fontSize
        drawing.add(g)
    
    label = Label()
    label.setText(gene.name)
    x = 0.5*(gene.start+gene.end)
    label.setOrigin(x,y)
    label.dy = labeldy
    label.textAnchor = textAnchor
    label.boxAnchor = boxAnchor
    drawing.add(label)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
def addAxis(drawing, xmap, y, strokeWidth=1, minorStrokeWidth=0.5, 
  tickDir='down', autoTicks=False, nTicks=20, tickLen=5, fontSize=10, nMinorTicks=80, 
  minorTickLen=2, angle=0, dx=0, dy=-2, textAnchor='middle', boxAnchor=None, 
  scale=1.0, format='%i'):
    """Add a horizontal axis to the drawing.
    
    To do: Round tick positions
    """
    line = Line(xmap.x0, y, xmap.x1, y, strokeWidth=strokeWidth)
    drawing.add(line)
    
    if not boxAnchor:
        if tickDir=='down':
            boxAnchor = 'n'
        else:
            boxAnchor = 's'
    signum = {'up': -1, 'down': 1}[tickDir]
    
    if nTicks>0:
        ticks = tick_generator(xmap.start, xmap.end, n=nTicks, convert=int)
    
    for p in ticks:
        x = xmap(p)
        line = Line(x, y, x, y-signum*tickLen, strokeWidth=strokeWidth)
        drawing.add(line)
        s = Label()
        s.setOrigin(x, y-signum*tickLen)
        s.setText(format % (p/scale))
        s.dx = dx
        s.dy = signum*dy
        s.fontName = 'Helvetica'
        s.fontSize = fontSize
        s.textAnchor = textAnchor
        s.boxAnchor = boxAnchor
        s.angle = angle
        drawing.add(s)
    
    minorticks = tick_generator(xmap.start, xmap.end, n=nMinorTicks, convert=int)
    for p in minorticks:
        x = xmap(p)
        line = Line(x, y, x, y-signum*minorTickLen, strokeWidth=minorStrokeWidth)
        drawing.add(line)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]

from reportlab.graphics import shapes
from reportlab.graphics.charts.textlabels import Label

d = Drawing(200, 100)

# mark the origin of the label
d.add(Circle(100,90, 5, fillColor=colors.green))

lab = Label()
lab.setOrigin(100,90)
lab.boxAnchor = 'ne'
lab.angle = 45
lab.dx = 0
lab.dy = -20
lab.boxStrokeColor = colors.green
lab.setText('Some\nMulti-Line\nLabel')

d.add(lab)

draw(d, 'Label example')



disc("""
In the drawing above, the label is defined relative to the green blob.
The text box should have its north-east corner ten points down from
the origin, and be rotated by 45 degrees about that corner.
""")

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
        def _rawDraw(self, x, y):
            from reportlab.lib import colors 
            from reportlab.graphics.shapes import Drawing, Line, String, STATE_DEFAULTS
            from reportlab.graphics.charts.axes import XCategoryAxis,YValueAxis
            from reportlab.graphics.charts.textlabels import Label
            from reportlab.graphics.charts.barcharts  import VerticalBarChart
            
            self.originX = x
            self.originY = y
            self._setScale([self.dataBar])
            (x1, y1, Width, Height) = self._getGraphRegion(x, y)

            #Build the graph
            self.drawing = Drawing(self.width, self.height)

            #Size of the Axis
            SizeXaxis = 14
            countSteps = int(self.valueMax / self.valueStep)
            SizeYaxis = 0.0
            for n in range(countSteps + 1):
                eachValue = self.valueMin + n * self.valueStep
                textString = self._customSecondsLabelFormat( eachValue )
                SizeYaxis = max(SizeYaxis, self._stringWidth(textString, STATE_DEFAULTS['fontName'], STATE_DEFAULTS['fontSize']) )

            bc = VerticalBarChart()
            SizeYaxis += bc.valueAxis.tickLeft
            bc.x = x1 - x + SizeYaxis
            bc.y = y1 - y + SizeXaxis
            bc.height = Height - SizeXaxis
            bc.width  = Width  - SizeYaxis
            self.graphCenterX = bc.x + bc.width/2
            self.graphCenterY = bc.y + bc.height/2
            if self.validData:
                # add valid data to chart
                bc.data = self.dataBar
                bc.categoryAxis.categoryNames = self.dataNames
                # axis values
                bc.valueAxis.valueMin  = self.valueMin
                bc.valueAxis.valueMax  = self.valueMax
                bc.valueAxis.valueStep = self.valueStep
                # add value labels above bars
                bc.barLabelFormat = self._customSecondsLabelFormat
                bc.barLabels.dy = 0.08*inch
                bc.barLabels.fontSize = 6
            else:
                # no valid data
                bc.data = [ (0, ), ]
                bc.categoryAxis.categoryNames = [ '' ]
                bc.valueAxis.valueMin  = 0
                bc.valueAxis.valueMax  = 1
                bc.valueAxis.valueStep = 1
                Nodata = Label()
                Nodata.fontSize = 12
                Nodata.angle = 0
                Nodata.boxAnchor = 'c'
                Nodata.dx = self.graphCenterX
                Nodata.dy = self.graphCenterY
                Nodata.setText("NO VALID DATA")
                self.drawing.add(Nodata)
            
            # chart formatting
            (R,G,B) = VeriwaveYellow
            bc.bars[0].fillColor   = colors.Color(R,G,B)
            bc.valueAxis.labelTextFormat = self._customSecondsLabelFormat
            # axis labels
            bc.categoryAxis.labels.boxAnchor = 'c'
            bc.categoryAxis.labels.dx    = 0
            bc.categoryAxis.labels.dy    = -10
            bc.categoryAxis.labels.angle = 0
            bc.categoryAxis.labels.fontSize = 8

            # add chart
            self.drawing.add(bc)

            #Adjust the labels to be the center of the graph
            self._drawLabels(self.title, "", "")

            # Add Legend in upper right corner
            legendHeight  = 9 
            legendX = bc.x + 5
            legendY = bc.y + bc.height - 12
            self.drawing.add(Line(legendX, legendY + 3 , legendX + 20, legendY + 3, strokeColor=bc.bars[0].fillColor, strokeWidth=3 ))
            self.drawing.add(String(legendX + 22, legendY, 'MIN', fontName='Helvetica', fontSize=8))
            legendY -= legendHeight
            self.drawing.add(Line(legendX, legendY + 3 , legendX + 20, legendY + 3, strokeColor=bc.bars[1].fillColor, strokeWidth=3 ))
            self.drawing.add(String(legendX + 22, legendY, 'MAX', fontName='Helvetica', fontSize=8))
            legendY -= legendHeight
            self.drawing.add(Line(legendX, legendY + 3 , legendX + 20, legendY + 3, strokeColor=bc.bars[2].fillColor, strokeWidth=3 ))
            self.drawing.add(String(legendX + 22, legendY, 'AVG', fontName='Helvetica', fontSize=8))
            legendY -= legendHeight

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import dy [as 别名]
def addCompoundFeature(drawing, xmap, y, gene, 
  strokeColor=None, fillColor=colors.blue, 
  intronColor=colors.blue, intronWidth=0.5,
  glyph=Block, height=12, utrHeight=6,
  labeldy=10, fontSize=10, textAnchor='middle', boxAnchor='s'):
    """Adds a compund feature to the drawing.
    A compound feature is typically several exons joined by zig-zag lines."""
    rise = height + utrHeight
    
    intronStarts = [None]
    intronEnds = []
    heights = []
    for exon in gene:
        x1,x2 = xmap(exon.start), xmap(exon.end)
        
        kind = exon.kind.lower()
        if kind in ['exon', 'utr']:
            intronStarts.append(exon.end)
            intronEnds.append(exon.start)
        
        g = glyph()
        g.x = x1
        g.y = y+height/2
        if exon.kind.lower()=='exon':
            g.height = height
            heights.append(height)
        else:
            g.height = utrHeight
            heights.append(utrHeight)
        
        g.length = x2-x1
        g.fillColor = fillColor
        if strokeColor:
            g.strokeColor = strokeColor
        else:
            g.strokeColor = fillColor
        g.fontSize = fontSize
        drawing.add(g)
    
    for i,(intronStart,intronEnd) in enumerate(zip(intronStarts[1:], intronEnds[1:])):
        x1 = xmap(intronStart)
        x2 = xmap(0.5*(intronStart+intronEnd))
        x3 = xmap(intronEnd)
        # if abs(x3-x1)<3: continue
        # print intronStart,intronEnd,heights[i],heights[i+1]
        
        y1 = y+heights[i]/2+height/2
        y2 = y+rise
        y3 = y+heights[i+1]/2+height/2
        
        line1 = Line(x1,y1,x2,y2,strokeColor=intronColor,strokeWidth=intronWidth)
        line2 = Line(x2,y2,x3,y3,strokeColor=intronColor,strokeWidth=intronWidth)
        drawing.add(line1)
        drawing.add(line2)
    
    # Draw arrows
    if xmap.flipped:
        signum = -1
    else:
        signum = 1
    
    if gene.strand=='+':
        x1 = xmap(gene.end)
        x2 = x1 + signum*15
        x3 = x1 + signum*10
        y1 = y + 0.5*height
        y2 = y + 0.75*height
        y3 = y + 0.25*height
        line1 = Line(x1,y1,x2,y1,strokeColor=intronColor,strokeWidth=intronWidth)
        line2 = Line(x2,y1,x3,y2,strokeColor=intronColor,strokeWidth=intronWidth)
        line3 = Line(x2,y1,x3,y3,strokeColor=intronColor,strokeWidth=intronWidth)
        drawing.add(line1)
        drawing.add(line2)
        drawing.add(line3)
    else:
        x1 = xmap(gene.start)
        x2 = x1 - signum*15
        x3 = x1 - signum*10
        y1 = y + 0.5*height
        y2 = y + 0.75*height
        y3 = y + 0.25*height
        line1 = Line(x1,y1,x2,y1,strokeColor=intronColor,strokeWidth=intronWidth)
        line2 = Line(x2,y1,x3,y2,strokeColor=intronColor,strokeWidth=intronWidth)
        line3 = Line(x2,y1,x3,y3,strokeColor=intronColor,strokeWidth=intronWidth)
        drawing.add(line1)
        drawing.add(line2)
        drawing.add(line3)
    
    # if gene has attribute name...
    label = Label()
    label.setText(gene.name)
    pos = 0.5*(gene.start+gene.end)
    x = xmap(pos)
    label.setOrigin(x,y)
    label.dy = labeldy
    label.textAnchor = textAnchor
    label.boxAnchor = boxAnchor
    drawing.add(label)