class HorizontalLineChart(LineChart): """Line chart with multiple lines. A line chart is assumed to have one category and one value axis. Despite its generic name this particular line chart class has a vertical value axis and a horizontal category one. It may evolve into individual horizontal and vertical variants (like with the existing bar charts). Available attributes are: x: x-position of lower-left chart origin y: y-position of lower-left chart origin width: chart width height: chart height useAbsolute: disables auto-scaling of chart elements (?) lineLabelNudge: distance of data labels to data points lineLabels: labels associated with data values lineLabelFormat: format string or callback function groupSpacing: space between categories joinedLines: enables drawing of lines strokeColor: color of chart lines (?) fillColor: color for chart background (?) lines: style list, used cyclically for data series valueAxis: value axis object categoryAxis: category axis object categoryNames: category names data: chart data, a list of data series of equal length """ _attrMap = AttrMap(BASE=LineChart, useAbsolute = AttrMapValue(isNumber, desc='Flag to use absolute spacing values.',advancedUsage=1), lineLabelNudge = AttrMapValue(isNumber, desc='Distance between a data point and its label.',advancedUsage=1), lineLabels = AttrMapValue(None, desc='Handle to the list of data point labels.'), lineLabelFormat = AttrMapValue(None, desc='Formatting string or function used for data point labels.'), lineLabelArray = AttrMapValue(None, desc='explicit array of line label values, must match size of data if present.'), groupSpacing = AttrMapValue(isNumber, desc='? - Likely to disappear.'), joinedLines = AttrMapValue(isNumber, desc='Display data points joined with lines if true.'), lines = AttrMapValue(None, desc='Handle of the lines.'), valueAxis = AttrMapValue(None, desc='Handle of the value axis.'), categoryAxis = AttrMapValue(None, desc='Handle of the category axis.'), categoryNames = AttrMapValue(isListOfStringsOrNone, desc='List of category names.'), data = AttrMapValue(None, desc='Data to be plotted, list of (lists of) numbers.'), inFill = AttrMapValue(isBoolean, desc='Whether infilling should be done.',advancedUsage=1), reversePlotOrder = AttrMapValue(isBoolean, desc='If true reverse plot order.',advancedUsage=1), annotations = AttrMapValue(None, desc='list of callables, will be called with self, xscale, yscale.',advancedUsage=1), ) def __init__(self): LineChart.__init__(self) # Allow for a bounding rectangle. self.strokeColor = None self.fillColor = None # Named so we have less recoding for the horizontal one :-) self.categoryAxis = XCategoryAxis() self.valueAxis = YValueAxis() # This defines two series of 3 points. Just an example. self.data = [(100,110,120,130), (70, 80, 80, 90)] self.categoryNames = ('North','South','East','West') self.lines = TypedPropertyCollection(LineChartProperties) self.lines.strokeWidth = 1 self.lines[0].strokeColor = colors.red self.lines[1].strokeColor = colors.green self.lines[2].strokeColor = colors.blue # control spacing. if useAbsolute = 1 then # the next parameters are in points; otherwise # they are 'proportions' and are normalized to # fit the available space. self.useAbsolute = 0 #- not done yet self.groupSpacing = 1 #5 self.lineLabels = TypedPropertyCollection(Label) self.lineLabelFormat = None self.lineLabelArray = None # This says whether the origin is above or below # the data point. +10 means put the origin ten points # above the data point if value > 0, or ten # points below if data value < 0. This is different # to label dx/dy which are not dependent on the # sign of the data. self.lineLabelNudge = 10 # If you have multiple series, by default they butt # together. # New line chart attributes. self.joinedLines = 1 # Connect items with straight lines. self.inFill = 0 self.reversePlotOrder = 0 def demo(self): """Shows basic use of a line chart.""" drawing = Drawing(200, 100) data = [ (13, 5, 20, 22, 37, 45, 19, 4), (14, 10, 21, 28, 38, 46, 25, 5) ] lc = HorizontalLineChart() lc.x = 20 lc.y = 10 lc.height = 85 lc.width = 170 lc.data = data lc.lines.symbol = makeMarker('Circle') drawing.add(lc) return drawing def calcPositions(self): """Works out where they go. Sets an attribute _positions which is a list of lists of (x, y) matching the data. """ self._seriesCount = len(self.data) self._rowLength = max(list(map(len,self.data))) if self.useAbsolute: # Dimensions are absolute. normFactor = 1.0 else: # Dimensions are normalized to fit. normWidth = self.groupSpacing availWidth = self.categoryAxis.scale(0)[1] normFactor = availWidth / normWidth self._normFactor = normFactor self._yzero = yzero = self.valueAxis.scale(0) self._hngs = hngs = 0.5 * self.groupSpacing * normFactor self._positions = [] for rowNo in range(len(self.data)): lineRow = [] for colNo in range(len(self.data[rowNo])): datum = self.data[rowNo][colNo] if datum is not None: (groupX, groupWidth) = self.categoryAxis.scale(colNo) x = groupX + hngs y = yzero height = self.valueAxis.scale(datum) - y lineRow.append((x, y+height)) self._positions.append(lineRow) def _innerDrawLabel(self, rowNo, colNo, x, y): "Draw a label for a given item in the list." labelFmt = self.lineLabelFormat labelValue = self.data[rowNo][colNo] if labelFmt is None: labelText = None elif type(labelFmt) is str: if labelFmt == 'values': try: labelText = self.lineLabelArray[rowNo][colNo] except: labelText = None else: labelText = labelFmt % labelValue elif hasattr(labelFmt,'__call__'): labelText = labelFmt(labelValue) else: raise ValueError("Unknown formatter type %s, expected string or function"%labelFmt) if labelText: label = self.lineLabels[(rowNo, colNo)] if not label.visible: return # Make sure labels are some distance off the data point. if y > 0: label.setOrigin(x, y + self.lineLabelNudge) else: label.setOrigin(x, y - self.lineLabelNudge) label.setText(labelText) else: label = None return label def drawLabel(self, G, rowNo, colNo, x, y): '''Draw a label for a given item in the list. G must have an add method''' G.add(self._innerDrawLabel(rowNo,colNo,x,y)) def makeLines(self): g = Group() labelFmt = self.lineLabelFormat P = list(range(len(self._positions))) if self.reversePlotOrder: P.reverse() inFill = self.inFill if inFill: inFillY = self.categoryAxis._y inFillX0 = self.valueAxis._x inFillX1 = inFillX0 + self.categoryAxis._length inFillG = getattr(self,'_inFillG',g) yzero = self._yzero # Iterate over data rows. for rowNo in P: row = self._positions[rowNo] styleCount = len(self.lines) styleIdx = rowNo % styleCount rowStyle = self.lines[styleIdx] rowColor = rowStyle.strokeColor dash = getattr(rowStyle, 'strokeDashArray', None) lineStyle = getattr(rowStyle,'lineStyle',None) if hasattr(rowStyle, 'strokeWidth'): strokeWidth = rowStyle.strokeWidth elif hasattr(self.lines, 'strokeWidth'): strokeWidth = self.lines.strokeWidth else: strokeWidth = None # Iterate over data columns. if lineStyle=='bar': barWidth = getattr(rowStyle,'barWidth',Percentage(50)) fillColor = getattr(rowStyle,'fillColor',rowColor) if isinstance(barWidth,Percentage): hbw = self._hngs*barWidth*0.01 else: hbw = barWidth*0.5 for colNo in range(len(row)): x,y = row[colNo] g.add(Rect(x-hbw,min(y,yzero),2*hbw,abs(y-yzero),strokeWidth=strokeWidth,strokeColor=rowColor,fillColor=fillColor)) elif self.joinedLines or lineStyle=='joinedLine': points = [] for colNo in range(len(row)): points += row[colNo] if inFill: points = points + [inFillX1,inFillY,inFillX0,inFillY] inFillG.add(Polygon(points,fillColor=rowColor,strokeColor=rowColor,strokeWidth=0.1)) else: line = PolyLine(points,strokeColor=rowColor,strokeLineCap=0,strokeLineJoin=1) if strokeWidth: line.strokeWidth = strokeWidth if dash: line.strokeDashArray = dash g.add(line) if hasattr(rowStyle, 'symbol'): uSymbol = rowStyle.symbol elif hasattr(self.lines, 'symbol'): uSymbol = self.lines.symbol else: uSymbol = None if uSymbol: for colNo in range(len(row)): x1, y1 = row[colNo] symbol = uSymbol2Symbol(uSymbol,x1,y1,rowStyle.strokeColor) if symbol: g.add(symbol) # Draw item labels. for colNo in range(len(row)): x1, y1 = row[colNo] self.drawLabel(g, rowNo, colNo, x1, y1) return g def draw(self): "Draws itself." vA, cA = self.valueAxis, self.categoryAxis vA.setPosition(self.x, self.y, self.height) if vA: vA.joinAxis = cA if cA: cA.joinAxis = vA vA.configure(self.data) # If zero is in chart, put x axis there, otherwise # use bottom. xAxisCrossesAt = vA.scale(0) if ((xAxisCrossesAt > self.y + self.height) or (xAxisCrossesAt < self.y)): y = self.y else: y = xAxisCrossesAt cA.setPosition(self.x, y, self.width) cA.configure(self.data) self.calcPositions() g = Group() g.add(self.makeBackground()) if self.inFill: self._inFillG = Group() g.add(self._inFillG) g.add(cA) g.add(vA) cAdgl = getattr(cA,'drawGridLast',False) vAdgl = getattr(vA,'drawGridLast',False) if not cAdgl: cA.makeGrid(g,parent=self,dim=vA.getGridDims) if not vAdgl: vA.makeGrid(g,parent=self,dim=cA.getGridDims) g.add(self.makeLines()) if cAdgl: cA.makeGrid(g,parent=self,dim=vA.getGridDims) if vAdgl: vA.makeGrid(g,parent=self,dim=cA.getGridDims) for a in getattr(self,'annotations',()): g.add(a(self,cA.scale,vA.scale)) return g
class LinePlot(AbstractLineChart): """Line plot with multiple lines. Both x- and y-axis are value axis (so there are no seperate X and Y versions of this class). """ _attrMap = AttrMap(BASE=PlotArea, reversePlotOrder = AttrMapValue(isBoolean, desc='If true reverse plot order.',advancedUsage=1), lineLabelNudge = AttrMapValue(isNumber, desc='Distance between a data point and its label.',advancedUsage=1), lineLabels = AttrMapValue(None, desc='Handle to the list of data point labels.'), lineLabelFormat = AttrMapValue(None, desc='Formatting string or function used for data point labels.'), lineLabelArray = AttrMapValue(None, desc='explicit array of line label values, must match size of data if present.'), joinedLines = AttrMapValue(isNumber, desc='Display data points joined with lines if true.'), strokeColor = AttrMapValue(isColorOrNone, desc='Color used for background border of plot area.'), fillColor = AttrMapValue(isColorOrNone, desc='Color used for background interior of plot area.'), lines = AttrMapValue(None, desc='Handle of the lines.'), xValueAxis = AttrMapValue(None, desc='Handle of the x axis.'), yValueAxis = AttrMapValue(None, desc='Handle of the y axis.'), data = AttrMapValue(None, desc='Data to be plotted, list of (lists of) x/y tuples.'), annotations = AttrMapValue(None, desc='list of callables, will be called with self, xscale, yscale.',advancedUsage=1), behindAxes = AttrMapValue(isBoolean, desc='If true use separate line group.',advancedUsage=1), gridFirst = AttrMapValue(isBoolean, desc='If true use draw grids before axes.',advancedUsage=1), ) def __init__(self): PlotArea.__init__(self) self.reversePlotOrder = 0 self.xValueAxis = XValueAxis() self.yValueAxis = YValueAxis() # this defines two series of 3 points. Just an example. self.data = [ ((1,1), (2,2), (2.5,1), (3,3), (4,5)), ((1,2), (2,3), (2.5,2), (3,4), (4,6)) ] self.lines = TypedPropertyCollection(LinePlotProperties) self.lines.strokeWidth = 1 self.lines[0].strokeColor = colors.red self.lines[1].strokeColor = colors.blue self.lineLabels = TypedPropertyCollection(Label) self.lineLabelFormat = None self.lineLabelArray = None # this says whether the origin is inside or outside # the bar - +10 means put the origin ten points # above the tip of the bar if value > 0, or ten # points inside if bar value < 0. This is different # to label dx/dy which are not dependent on the # sign of the data. self.lineLabelNudge = 10 # if you have multiple series, by default they butt # together. # New line chart attributes. self.joinedLines = 1 # Connect items with straight lines. #private attributes self._inFill = None self.annotations = [] self.behindAxes = 0 self.gridFirst = 0 def demo(self): """Shows basic use of a line chart.""" drawing = Drawing(400, 200) data = [ ((1,1), (2,2), (2.5,1), (3,3), (4,5)), ((1,2), (2,3), (2.5,2), (3.5,5), (4,6)) ] lp = LinePlot() lp.x = 50 lp.y = 50 lp.height = 125 lp.width = 300 lp.data = data lp.joinedLines = 1 lp.lineLabelFormat = '%2.0f' lp.strokeColor = colors.black lp.lines[0].strokeColor = colors.red lp.lines[0].symbol = makeMarker('FilledCircle') lp.lines[1].strokeColor = colors.blue lp.lines[1].symbol = makeMarker('FilledDiamond') lp.xValueAxis.valueMin = 0 lp.xValueAxis.valueMax = 5 lp.xValueAxis.valueStep = 1 lp.yValueAxis.valueMin = 0 lp.yValueAxis.valueMax = 7 lp.yValueAxis.valueStep = 1 drawing.add(lp) return drawing def calcPositions(self): """Works out where they go. Sets an attribute _positions which is a list of lists of (x, y) matching the data. """ self._seriesCount = len(self.data) self._rowLength = max(map(len,self.data)) self._positions = [] for rowNo in range(len(self.data)): line = [] for colNo in range(len(self.data[rowNo])): datum = self.data[rowNo][colNo] # x,y value if type(datum[0]) == type(''): x = self.xValueAxis.scale(mktime(mkTimeTuple(datum[0]))) else: x = self.xValueAxis.scale(datum[0]) y = self.yValueAxis.scale(datum[1]) line.append((x, y)) self._positions.append(line) def _innerDrawLabel(self, rowNo, colNo, x, y): "Draw a label for a given item in the list." labelFmt = self.lineLabelFormat labelValue = self.data[rowNo][colNo][1] ### if labelFmt is None: labelText = None elif type(labelFmt) is StringType: if labelFmt == 'values': labelText = self.lineLabelArray[rowNo][colNo] else: labelText = labelFmt % labelValue elif hasattr(labelFmt,'__call__'): labelText = labelFmt(labelValue) else: raise ValueError("Unknown formatter type %s, expected string or function"%labelFmt) if labelText: label = self.lineLabels[(rowNo, colNo)] if not label.visible: return #hack to make sure labels are outside the bar if y > 0: label.setOrigin(x, y + self.lineLabelNudge) else: label.setOrigin(x, y - self.lineLabelNudge) label.setText(labelText) else: label = None return label def drawLabel(self, G, rowNo, colNo, x, y): '''Draw a label for a given item in the list. G must have an add method''' G.add(self._innerDrawLabel(rowNo,colNo,x,y)) def makeLines(self): g = Group() bubblePlot = getattr(self,'_bubblePlot',None) if bubblePlot: yA = self.yValueAxis xA = self.xValueAxis bubbleR = min(yA._bubbleRadius,xA._bubbleRadius) bubbleMax = xA._bubbleMax labelFmt = self.lineLabelFormat P = range(len(self._positions)) if self.reversePlotOrder: P.reverse() inFill = getattr(self,'_inFill',None) styleCount = len(self.lines) if inFill or [rowNo for rowNo in P if getattr(self.lines[rowNo%styleCount],'inFill',False)]: inFillY = self.xValueAxis._y inFillX0 = self.yValueAxis._x inFillX1 = inFillX0 + self.xValueAxis._length inFillG = getattr(self,'_inFillG',g) lG = getattr(self,'_lineG',g) # Iterate over data rows. for rowNo in P: row = self._positions[rowNo] rowStyle = self.lines[rowNo % styleCount] rowColor = getattr(rowStyle,'strokeColor',None) dash = getattr(rowStyle, 'strokeDashArray', None) if hasattr(rowStyle, 'strokeWidth'): width = rowStyle.strokeWidth elif hasattr(self.lines, 'strokeWidth'): width = self.lines.strokeWidth else: width = None # Iterate over data columns. if self.joinedLines: points = [] for xy in row: points = points + [xy[0], xy[1]] if inFill or getattr(rowStyle,'inFill',False): fpoints = [inFillX0,inFillY] + points + [inFillX1,inFillY] filler = getattr(rowStyle, 'filler', None) if filler: filler.fill(self,inFillG,rowNo,rowColor,fpoints) else: inFillG.add(Polygon(fpoints,fillColor=rowColor,strokeColor=rowColor,strokeWidth=width or 0.1)) if inFill in (None,0,2): line = PolyLine(points,strokeColor=rowColor,strokeLineCap=0,strokeLineJoin=1) if width: line.strokeWidth = width if dash: line.strokeDashArray = dash lG.add(line) if hasattr(rowStyle, 'symbol'): uSymbol = rowStyle.symbol elif hasattr(self.lines, 'symbol'): uSymbol = self.lines.symbol else: uSymbol = None if uSymbol: j = -1 if bubblePlot: drow = self.data[rowNo] for xy in row: j += 1 symbol = uSymbol2Symbol(uSymbol,xy[0],xy[1],rowColor) if symbol: if bubblePlot: symbol.size = bubbleR*(drow[j][2]/bubbleMax)**0.5 g.add(symbol) # Draw data labels. for colNo in range(len(row)): x1, y1 = row[colNo] self.drawLabel(g, rowNo, colNo, x1, y1) shader = getattr(rowStyle, 'shader', None) if shader: shader.shade(self,g,rowNo,rowColor,row) return g def draw(self): yA = self.yValueAxis xA = self.xValueAxis if getattr(self,'_bubblePlot',None): yA._bubblePlot = xA._bubblePlot = 1 yA.setPosition(self.x, self.y, self.height) if yA: yA.joinAxis = xA if xA: xA.joinAxis = yA yA.configure(self.data) # if zero is in chart, put x axis there, otherwise use bottom. xAxisCrossesAt = yA.scale(0) if ((xAxisCrossesAt > self.y + self.height) or (xAxisCrossesAt < self.y)): y = self.y else: y = xAxisCrossesAt xA.setPosition(self.x, y, self.width) xA.configure(self.data) self.calcPositions() g = Group() g.add(self.makeBackground()) if self._inFill or self.behindAxes: xA._joinToAxis() if self._inFill: self._inFillG = Group() g.add(self._inFillG) if self.behindAxes: self._lineG = Group() g.add(self._lineG) if self.gridFirst: xA.makeGrid(g,parent=self,dim=yA.getGridDims) yA.makeGrid(g,parent=self,dim=xA.getGridDims) g.add(xA) g.add(yA) if not self.gridFirst: xAdgl = getattr(xA,'drawGridLast',False) yAdgl = getattr(yA,'drawGridLast',False) if not xAdgl: xA.makeGrid(g,parent=self,dim=yA.getGridDims) if not yAdgl: yA.makeGrid(g,parent=self,dim=xA.getGridDims) annotations = getattr(self,'annotations',[]) for a in annotations: if getattr(a,'beforeLines',None): g.add(a(self,xA.scale,yA.scale)) g.add(self.makeLines()) if not self.gridFirst: if xAdgl: xA.makeGrid(g,parent=self,dim=yA.getGridDims) if yAdgl: yA.makeGrid(g,parent=self,dim=xA.getGridDims) for a in annotations: if not getattr(a,'beforeLines',None): g.add(a(self,xA.scale,yA.scale)) return g def addCrossHair(self,name,xv,yv,strokeColor=colors.black,strokeWidth=1,beforeLines=True): from reportlab.graphics.shapes import Group, Line annotations = [a for a in getattr(self,'annotations',[]) if getattr(a,'name',None)!=name] def annotation(self,xScale,yScale): x = xScale(xv) y = yScale(yv) g = Group() xA = xScale.im_self #the x axis g.add(Line(xA._x,y,xA._x+xA._length,y,strokeColor=strokeColor,strokeWidth=strokeWidth)) yA = yScale.im_self #the y axis g.add(Line(x,yA._y,x,yA._y+yA._length,strokeColor=strokeColor,strokeWidth=strokeWidth)) return g annotation.beforeLines = beforeLines annotations.append(annotation) self.annotations = annotations
class LinePlot(AbstractLineChart): """Line plot with multiple lines. Both x- and y-axis are value axis (so there are no seperate X and Y versions of this class). """ _attrMap = AttrMap( BASE=PlotArea, reversePlotOrder=AttrMapValue(isBoolean, desc='If true reverse plot order.', advancedUsage=1), lineLabelNudge=AttrMapValue( isNumber, desc='Distance between a data point and its label.', advancedUsage=1), lineLabels=AttrMapValue( None, desc='Handle to the list of data point labels.'), lineLabelFormat=AttrMapValue( None, desc='Formatting string or function used for data point labels.'), lineLabelArray=AttrMapValue( None, desc= 'explicit array of line label values, must match size of data if present.' ), joinedLines=AttrMapValue( isNumber, desc='Display data points joined with lines if true.'), strokeColor=AttrMapValue( isColorOrNone, desc='Color used for background border of plot area.'), fillColor=AttrMapValue( isColorOrNone, desc='Color used for background interior of plot area.'), lines=AttrMapValue(None, desc='Handle of the lines.'), xValueAxis=AttrMapValue(None, desc='Handle of the x axis.'), yValueAxis=AttrMapValue(None, desc='Handle of the y axis.'), data=AttrMapValue( None, desc='Data to be plotted, list of (lists of) x/y tuples.'), annotations=AttrMapValue( None, desc='list of callables, will be called with self, xscale, yscale.', advancedUsage=1), behindAxes=AttrMapValue(isBoolean, desc='If true use separate line group.', advancedUsage=1), gridFirst=AttrMapValue(isBoolean, desc='If true use draw grids before axes.', advancedUsage=1), ) def __init__(self): PlotArea.__init__(self) self.reversePlotOrder = 0 self.xValueAxis = XValueAxis() self.yValueAxis = YValueAxis() # this defines two series of 3 points. Just an example. self.data = [((1, 1), (2, 2), (2.5, 1), (3, 3), (4, 5)), ((1, 2), (2, 3), (2.5, 2), (3, 4), (4, 6))] self.lines = TypedPropertyCollection(LinePlotProperties) self.lines.strokeWidth = 1 self.lines[0].strokeColor = colors.red self.lines[1].strokeColor = colors.blue self.lineLabels = TypedPropertyCollection(Label) self.lineLabelFormat = None self.lineLabelArray = None # this says whether the origin is inside or outside # the bar - +10 means put the origin ten points # above the tip of the bar if value > 0, or ten # points inside if bar value < 0. This is different # to label dx/dy which are not dependent on the # sign of the data. self.lineLabelNudge = 10 # if you have multiple series, by default they butt # together. # New line chart attributes. self.joinedLines = 1 # Connect items with straight lines. #private attributes self._inFill = None self.annotations = [] self.behindAxes = 0 self.gridFirst = 0 def demo(self): """Shows basic use of a line chart.""" drawing = Drawing(400, 200) data = [((1, 1), (2, 2), (2.5, 1), (3, 3), (4, 5)), ((1, 2), (2, 3), (2.5, 2), (3.5, 5), (4, 6))] lp = LinePlot() lp.x = 50 lp.y = 50 lp.height = 125 lp.width = 300 lp.data = data lp.joinedLines = 1 lp.lineLabelFormat = '%2.0f' lp.strokeColor = colors.black lp.lines[0].strokeColor = colors.red lp.lines[0].symbol = makeMarker('FilledCircle') lp.lines[1].strokeColor = colors.blue lp.lines[1].symbol = makeMarker('FilledDiamond') lp.xValueAxis.valueMin = 0 lp.xValueAxis.valueMax = 5 lp.xValueAxis.valueStep = 1 lp.yValueAxis.valueMin = 0 lp.yValueAxis.valueMax = 7 lp.yValueAxis.valueStep = 1 drawing.add(lp) return drawing def calcPositions(self): """Works out where they go. Sets an attribute _positions which is a list of lists of (x, y) matching the data. """ self._seriesCount = len(self.data) self._rowLength = max(map(len, self.data)) self._positions = [] for rowNo in range(len(self.data)): line = [] for colNo in range(len(self.data[rowNo])): datum = self.data[rowNo][colNo] # x,y value if type(datum[0]) == type(''): x = self.xValueAxis.scale(mktime(mkTimeTuple(datum[0]))) else: x = self.xValueAxis.scale(datum[0]) y = self.yValueAxis.scale(datum[1]) line.append((x, y)) self._positions.append(line) def _innerDrawLabel(self, rowNo, colNo, x, y): "Draw a label for a given item in the list." labelFmt = self.lineLabelFormat labelValue = self.data[rowNo][colNo][1] ### if labelFmt is None: labelText = None elif type(labelFmt) is StringType: if labelFmt == 'values': labelText = self.lineLabelArray[rowNo][colNo] else: labelText = labelFmt % labelValue elif hasattr(labelFmt, '__call__'): labelText = labelFmt(labelValue) else: raise ValueError( "Unknown formatter type %s, expected string or function" % labelFmt) if labelText: label = self.lineLabels[(rowNo, colNo)] if not label.visible: return #hack to make sure labels are outside the bar if y > 0: label.setOrigin(x, y + self.lineLabelNudge) else: label.setOrigin(x, y - self.lineLabelNudge) label.setText(labelText) else: label = None return label def drawLabel(self, G, rowNo, colNo, x, y): '''Draw a label for a given item in the list. G must have an add method''' G.add(self._innerDrawLabel(rowNo, colNo, x, y)) def makeLines(self): g = Group() bubblePlot = getattr(self, '_bubblePlot', None) if bubblePlot: yA = self.yValueAxis xA = self.xValueAxis bubbleR = min(yA._bubbleRadius, xA._bubbleRadius) bubbleMax = xA._bubbleMax labelFmt = self.lineLabelFormat P = range(len(self._positions)) if self.reversePlotOrder: P.reverse() inFill = getattr(self, '_inFill', None) styleCount = len(self.lines) if inFill or [ rowNo for rowNo in P if getattr(self.lines[rowNo % styleCount], 'inFill', False) ]: inFillY = self.xValueAxis._y inFillX0 = self.yValueAxis._x inFillX1 = inFillX0 + self.xValueAxis._length inFillG = getattr(self, '_inFillG', g) lG = getattr(self, '_lineG', g) # Iterate over data rows. for rowNo in P: row = self._positions[rowNo] rowStyle = self.lines[rowNo % styleCount] rowColor = getattr(rowStyle, 'strokeColor', None) dash = getattr(rowStyle, 'strokeDashArray', None) if hasattr(rowStyle, 'strokeWidth'): width = rowStyle.strokeWidth elif hasattr(self.lines, 'strokeWidth'): width = self.lines.strokeWidth else: width = None # Iterate over data columns. if self.joinedLines: points = [] for xy in row: points += [xy[0], xy[1]] if inFill or getattr(rowStyle, 'inFill', False): fpoints = [inFillX0, inFillY ] + points + [inFillX1, inFillY] filler = getattr(rowStyle, 'filler', None) if filler: filler.fill(self, inFillG, rowNo, rowColor, fpoints) else: inFillG.add( Polygon(fpoints, fillColor=rowColor, strokeColor=rowColor, strokeWidth=width or 0.1)) if inFill in (None, 0, 2): line = PolyLine(points, strokeColor=rowColor, strokeLineCap=0, strokeLineJoin=1) if width: line.strokeWidth = width if dash: line.strokeDashArray = dash lG.add(line) if hasattr(rowStyle, 'symbol'): uSymbol = rowStyle.symbol elif hasattr(self.lines, 'symbol'): uSymbol = self.lines.symbol else: uSymbol = None if uSymbol: j = -1 if bubblePlot: drow = self.data[rowNo] for xy in row: j += 1 symbol = uSymbol2Symbol(uSymbol, xy[0], xy[1], rowColor) if symbol: if bubblePlot: symbol.size = bubbleR * (drow[j][2] / bubbleMax)**0.5 g.add(symbol) # Draw data labels. for colNo in range(len(row)): x1, y1 = row[colNo] self.drawLabel(g, rowNo, colNo, x1, y1) shader = getattr(rowStyle, 'shader', None) if shader: shader.shade(self, g, rowNo, rowColor, row) return g def draw(self): yA = self.yValueAxis xA = self.xValueAxis if getattr(self, '_bubblePlot', None): yA._bubblePlot = xA._bubblePlot = 1 yA.setPosition(self.x, self.y, self.height) if yA: yA.joinAxis = xA if xA: xA.joinAxis = yA yA.configure(self.data) # if zero is in chart, put x axis there, otherwise use bottom. xAxisCrossesAt = yA.scale(0) if ((xAxisCrossesAt > self.y + self.height) or (xAxisCrossesAt < self.y)): y = self.y else: y = xAxisCrossesAt xA.setPosition(self.x, y, self.width) xA.configure(self.data) self.calcPositions() g = Group() g.add(self.makeBackground()) if self._inFill or self.behindAxes: xA._joinToAxis() if self._inFill: self._inFillG = Group() g.add(self._inFillG) if self.behindAxes: self._lineG = Group() g.add(self._lineG) if self.gridFirst: xA.makeGrid(g, parent=self, dim=yA.getGridDims) yA.makeGrid(g, parent=self, dim=xA.getGridDims) g.add(xA.draw()) g.add(yA.draw()) xAex = xA.visibleAxis and (xA._y, ) or () yAex = yA.visibleAxis and (yA._x, ) or () if not self.gridFirst: xAdgl = getattr(xA, 'drawGridLast', False) yAdgl = getattr(yA, 'drawGridLast', False) if not xAdgl: xA.makeGrid(g, parent=self, dim=yA.getGridDims, exclude=yAex) if not yAdgl: yA.makeGrid(g, parent=self, dim=xA.getGridDims, exclude=xAex) annotations = getattr(self, 'annotations', []) for a in annotations: if getattr(a, 'beforeLines', None): g.add(a(self, xA.scale, yA.scale)) g.add(self.makeLines()) if not self.gridFirst: if xAdgl: xA.makeGrid(g, parent=self, dim=yA.getGridDims, exclude=yAex) if yAdgl: yA.makeGrid(g, parent=self, dim=xA.getGridDims, exclude=xAex) for a in annotations: if not getattr(a, 'beforeLines', None): g.add(a(self, xA.scale, yA.scale)) return g def addCrossHair(self, name, xv, yv, strokeColor=colors.black, strokeWidth=1, beforeLines=True): from reportlab.graphics.shapes import Group, Line annotations = [ a for a in getattr(self, 'annotations', []) if getattr(a, 'name', None) != name ] def annotation(self, xScale, yScale): x = xScale(xv) y = yScale(yv) g = Group() xA = xScale.im_self #the x axis g.add( Line(xA._x, y, xA._x + xA._length, y, strokeColor=strokeColor, strokeWidth=strokeWidth)) yA = yScale.im_self #the y axis g.add( Line(x, yA._y, x, yA._y + yA._length, strokeColor=strokeColor, strokeWidth=strokeWidth)) return g annotation.beforeLines = beforeLines annotations.append(annotation) self.annotations = annotations
class HorizontalLineChart(LineChart): """Line chart with multiple lines. A line chart is assumed to have one category and one value axis. Despite its generic name this particular line chart class has a vertical value axis and a horizontal category one. It may evolve into individual horizontal and vertical variants (like with the existing bar charts). Available attributes are: x: x-position of lower-left chart origin y: y-position of lower-left chart origin width: chart width height: chart height useAbsolute: disables auto-scaling of chart elements (?) lineLabelNudge: distance of data labels to data points lineLabels: labels associated with data values lineLabelFormat: format string or callback function groupSpacing: space between categories joinedLines: enables drawing of lines strokeColor: color of chart lines (?) fillColor: color for chart background (?) lines: style list, used cyclically for data series valueAxis: value axis object categoryAxis: category axis object categoryNames: category names data: chart data, a list of data series of equal length """ _attrMap = AttrMap(BASE=LineChart, useAbsolute = AttrMapValue(isNumber, desc='Flag to use absolute spacing values.',advancedUsage=1), lineLabelNudge = AttrMapValue(isNumber, desc='Distance between a data point and its label.',advancedUsage=1), lineLabels = AttrMapValue(None, desc='Handle to the list of data point labels.'), lineLabelFormat = AttrMapValue(None, desc='Formatting string or function used for data point labels.'), lineLabelArray = AttrMapValue(None, desc='explicit array of line label values, must match size of data if present.'), groupSpacing = AttrMapValue(isNumber, desc='? - Likely to disappear.'), joinedLines = AttrMapValue(isNumber, desc='Display data points joined with lines if true.'), lines = AttrMapValue(None, desc='Handle of the lines.'), valueAxis = AttrMapValue(None, desc='Handle of the value axis.'), categoryAxis = AttrMapValue(None, desc='Handle of the category axis.'), categoryNames = AttrMapValue(isListOfStringsOrNone, desc='List of category names.'), data = AttrMapValue(None, desc='Data to be plotted, list of (lists of) numbers.'), inFill = AttrMapValue(isBoolean, desc='Whether infilling should be done.',advancedUsage=1), reversePlotOrder = AttrMapValue(isBoolean, desc='If true reverse plot order.',advancedUsage=1), annotations = AttrMapValue(None, desc='list of callables, will be called with self, xscale, yscale.',advancedUsage=1), ) def __init__(self): LineChart.__init__(self) # Allow for a bounding rectangle. self.strokeColor = None self.fillColor = None # Named so we have less recoding for the horizontal one :-) self.categoryAxis = XCategoryAxis() self.valueAxis = YValueAxis() # This defines two series of 3 points. Just an example. self.data = [(100,110,120,130), (70, 80, 80, 90)] self.categoryNames = ('North','South','East','West') self.lines = TypedPropertyCollection(LineChartProperties) self.lines.strokeWidth = 1 self.lines[0].strokeColor = colors.red self.lines[1].strokeColor = colors.green self.lines[2].strokeColor = colors.blue # control spacing. if useAbsolute = 1 then # the next parameters are in points; otherwise # they are 'proportions' and are normalized to # fit the available space. self.useAbsolute = 0 #- not done yet self.groupSpacing = 1 #5 self.lineLabels = TypedPropertyCollection(Label) self.lineLabelFormat = None self.lineLabelArray = None # This says whether the origin is above or below # the data point. +10 means put the origin ten points # above the data point if value > 0, or ten # points below if data value < 0. This is different # to label dx/dy which are not dependent on the # sign of the data. self.lineLabelNudge = 10 # If you have multiple series, by default they butt # together. # New line chart attributes. self.joinedLines = 1 # Connect items with straight lines. self.inFill = 0 self.reversePlotOrder = 0 def demo(self): """Shows basic use of a line chart.""" drawing = Drawing(200, 100) data = [ (13, 5, 20, 22, 37, 45, 19, 4), (14, 10, 21, 28, 38, 46, 25, 5) ] lc = HorizontalLineChart() lc.x = 20 lc.y = 10 lc.height = 85 lc.width = 170 lc.data = data lc.lines.symbol = makeMarker('Circle') drawing.add(lc) return drawing def calcPositions(self): """Works out where they go. Sets an attribute _positions which is a list of lists of (x, y) matching the data. """ self._seriesCount = len(self.data) self._rowLength = max(list(map(len,self.data))) if self.useAbsolute: # Dimensions are absolute. normFactor = 1.0 else: # Dimensions are normalized to fit. normWidth = self.groupSpacing availWidth = self.categoryAxis.scale(0)[1] normFactor = availWidth / normWidth self._positions = [] for rowNo in range(len(self.data)): lineRow = [] for colNo in range(len(self.data[rowNo])): datum = self.data[rowNo][colNo] if datum is not None: (groupX, groupWidth) = self.categoryAxis.scale(colNo) x = groupX + (0.5 * self.groupSpacing * normFactor) y = self.valueAxis.scale(0) height = self.valueAxis.scale(datum) - y lineRow.append((x, y+height)) self._positions.append(lineRow) def _innerDrawLabel(self, rowNo, colNo, x, y): "Draw a label for a given item in the list." labelFmt = self.lineLabelFormat labelValue = self.data[rowNo][colNo] if labelFmt is None: labelText = None elif type(labelFmt) is str: if labelFmt == 'values': try: labelText = self.lineLabelArray[rowNo][colNo] except: labelText = None else: labelText = labelFmt % labelValue elif hasattr(labelFmt,'__call__'): labelText = labelFmt(labelValue) else: raise ValueError("Unknown formatter type %s, expected string or function"%labelFmt) if labelText: label = self.lineLabels[(rowNo, colNo)] if not label.visible: return # Make sure labels are some distance off the data point. if y > 0: label.setOrigin(x, y + self.lineLabelNudge) else: label.setOrigin(x, y - self.lineLabelNudge) label.setText(labelText) else: label = None return label def drawLabel(self, G, rowNo, colNo, x, y): '''Draw a label for a given item in the list. G must have an add method''' G.add(self._innerDrawLabel(rowNo,colNo,x,y)) def makeLines(self): g = Group() labelFmt = self.lineLabelFormat P = list(range(len(self._positions))) if self.reversePlotOrder: P.reverse() inFill = self.inFill if inFill: inFillY = self.categoryAxis._y inFillX0 = self.valueAxis._x inFillX1 = inFillX0 + self.categoryAxis._length inFillG = getattr(self,'_inFillG',g) # Iterate over data rows. for rowNo in P: row = self._positions[rowNo] styleCount = len(self.lines) styleIdx = rowNo % styleCount rowStyle = self.lines[styleIdx] rowColor = rowStyle.strokeColor dash = getattr(rowStyle, 'strokeDashArray', None) if hasattr(self.lines[styleIdx], 'strokeWidth'): strokeWidth = self.lines[styleIdx].strokeWidth elif hasattr(self.lines, 'strokeWidth'): strokeWidth = self.lines.strokeWidth else: strokeWidth = None # Iterate over data columns. if self.joinedLines: points = [] for colNo in range(len(row)): points += row[colNo] if inFill: points = points + [inFillX1,inFillY,inFillX0,inFillY] inFillG.add(Polygon(points,fillColor=rowColor,strokeColor=rowColor,strokeWidth=0.1)) else: line = PolyLine(points,strokeColor=rowColor,strokeLineCap=0,strokeLineJoin=1) if strokeWidth: line.strokeWidth = strokeWidth if dash: line.strokeDashArray = dash g.add(line) if hasattr(self.lines[styleIdx], 'symbol'): uSymbol = self.lines[styleIdx].symbol elif hasattr(self.lines, 'symbol'): uSymbol = self.lines.symbol else: uSymbol = None if uSymbol: for colNo in range(len(row)): x1, y1 = row[colNo] symbol = uSymbol2Symbol(uSymbol,x1,y1,rowStyle.strokeColor) if symbol: g.add(symbol) # Draw item labels. for colNo in range(len(row)): x1, y1 = row[colNo] self.drawLabel(g, rowNo, colNo, x1, y1) return g def draw(self): "Draws itself." vA, cA = self.valueAxis, self.categoryAxis vA.setPosition(self.x, self.y, self.height) if vA: vA.joinAxis = cA if cA: cA.joinAxis = vA vA.configure(self.data) # If zero is in chart, put x axis there, otherwise # use bottom. xAxisCrossesAt = vA.scale(0) if ((xAxisCrossesAt > self.y + self.height) or (xAxisCrossesAt < self.y)): y = self.y else: y = xAxisCrossesAt cA.setPosition(self.x, y, self.width) cA.configure(self.data) self.calcPositions() g = Group() g.add(self.makeBackground()) if self.inFill: self._inFillG = Group() g.add(self._inFillG) g.add(cA) g.add(vA) cAdgl = getattr(cA,'drawGridLast',False) vAdgl = getattr(vA,'drawGridLast',False) if not cAdgl: cA.makeGrid(g,parent=self,dim=vA.getGridDims) if not vAdgl: vA.makeGrid(g,parent=self,dim=cA.getGridDims) g.add(self.makeLines()) if cAdgl: cA.makeGrid(g,parent=self,dim=vA.getGridDims) if vAdgl: vA.makeGrid(g,parent=self,dim=cA.getGridDims) for a in getattr(self,'annotations',()): g.add(a(self,cA.scale,vA.scale)) return g
class LinePlot(PlotArea): """Line plot with multiple lines. Both x- and y-axis are value axis (so there are no seperate X and Y versions of this class). """ _attrMap = AttrMap( BASE=PlotArea, reversePlotOrder=AttrMapValue(isBoolean, desc="If true reverse plot order."), lineLabelNudge=AttrMapValue(isNumber, desc="Distance between a data point and its label."), lineLabels=AttrMapValue(None, desc="Handle to the list of data point labels."), lineLabelFormat=AttrMapValue(None, desc="Formatting string or function used for data point labels."), lineLabelArray=AttrMapValue( None, desc="explicit array of line label values, must match size of data if present." ), joinedLines=AttrMapValue(isNumber, desc="Display data points joined with lines if true."), strokeColor=AttrMapValue(isColorOrNone, desc="Color used for background border of plot area."), fillColor=AttrMapValue(isColorOrNone, desc="Color used for background interior of plot area."), lines=AttrMapValue(None, desc="Handle of the lines."), xValueAxis=AttrMapValue(None, desc="Handle of the x axis."), yValueAxis=AttrMapValue(None, desc="Handle of the y axis."), data=AttrMapValue(None, desc="Data to be plotted, list of (lists of) x/y tuples."), annotations=AttrMapValue(None, desc="list of callables, will be called with self, xscale, yscale."), ) def __init__(self): PlotArea.__init__(self) self.reversePlotOrder = 0 self.xValueAxis = XValueAxis() self.yValueAxis = YValueAxis() # this defines two series of 3 points. Just an example. self.data = [((1, 1), (2, 2), (2.5, 1), (3, 3), (4, 5)), ((1, 2), (2, 3), (2.5, 2), (3, 4), (4, 6))] self.lines = TypedPropertyCollection(LinePlotProperties) self.lines.strokeWidth = 1 self.lines[0].strokeColor = colors.red self.lines[1].strokeColor = colors.blue self.lineLabels = TypedPropertyCollection(Label) self.lineLabelFormat = None self.lineLabelArray = None # this says whether the origin is inside or outside # the bar - +10 means put the origin ten points # above the tip of the bar if value > 0, or ten # points inside if bar value < 0. This is different # to label dx/dy which are not dependent on the # sign of the data. self.lineLabelNudge = 10 # if you have multiple series, by default they butt # together. # New line chart attributes. self.joinedLines = 1 # Connect items with straight lines. # private attributes self._inFill = None def demo(self): """Shows basic use of a line chart.""" drawing = Drawing(400, 200) data = [((1, 1), (2, 2), (2.5, 1), (3, 3), (4, 5)), ((1, 2), (2, 3), (2.5, 2), (3.5, 5), (4, 6))] lp = LinePlot() lp.x = 50 lp.y = 50 lp.height = 125 lp.width = 300 lp.data = data lp.joinedLines = 1 lp.lineLabelFormat = "%2.0f" lp.strokeColor = colors.black lp.lines[0].strokeColor = colors.red lp.lines[0].symbol = makeMarker("FilledCircle") lp.lines[1].strokeColor = colors.blue lp.lines[1].symbol = makeMarker("FilledDiamond") lp.xValueAxis.valueMin = 0 lp.xValueAxis.valueMax = 5 lp.xValueAxis.valueStep = 1 lp.yValueAxis.valueMin = 0 lp.yValueAxis.valueMax = 7 lp.yValueAxis.valueStep = 1 drawing.add(lp) return drawing def calcPositions(self): """Works out where they go. Sets an attribute _positions which is a list of lists of (x, y) matching the data. """ self._seriesCount = len(self.data) self._rowLength = max(map(len, self.data)) self._positions = [] for rowNo in range(len(self.data)): line = [] for colNo in range(len(self.data[rowNo])): datum = self.data[rowNo][colNo] # x,y value if type(datum[0]) == type(""): x = self.xValueAxis.scale(mktime(mkTimeTuple(datum[0]))) else: x = self.xValueAxis.scale(datum[0]) y = self.yValueAxis.scale(datum[1]) line.append((x, y)) self._positions.append(line) def _innerDrawLabel(self, rowNo, colNo, x, y): "Draw a label for a given item in the list." labelFmt = self.lineLabelFormat labelValue = self.data[rowNo][colNo][1] ### if labelFmt is None: labelText = None elif type(labelFmt) is StringType: if labelFmt == "values": labelText = self.lineLabelArray[rowNo][colNo] else: labelText = labelFmt % labelValue elif type(labelFmt) is FunctionType: labelText = labelFmt(labelValue) elif isinstance(labelFmt, Formatter): labelText = labelFmt(labelValue) else: msg = "Unknown formatter type %s, expected string or function" raise Exception, msg % labelFmt if labelText: label = self.lineLabels[(rowNo, colNo)] # hack to make sure labels are outside the bar if y > 0: label.setOrigin(x, y + self.lineLabelNudge) else: label.setOrigin(x, y - self.lineLabelNudge) label.setText(labelText) else: label = None return label def drawLabel(self, G, rowNo, colNo, x, y): """Draw a label for a given item in the list. G must have an add method""" G.add(self._innerDrawLabel(rowNo, colNo, x, y)) def makeLines(self): g = Group() bubblePlot = getattr(self, "_bubblePlot", None) if bubblePlot: yA = self.yValueAxis xA = self.xValueAxis bubbleR = min(yA._bubbleRadius, xA._bubbleRadius) bubbleMax = xA._bubbleMax labelFmt = self.lineLabelFormat P = range(len(self._positions)) if self.reversePlotOrder: P.reverse() inFill = getattr(self, "_inFill", None) if inFill: inFillY = self.xValueAxis._y inFillX0 = self.yValueAxis._x inFillX1 = inFillX0 + self.xValueAxis._length inFillG = getattr(self, "_inFillG", g) # Iterate over data rows. styleCount = len(self.lines) for rowNo in P: row = self._positions[rowNo] rowStyle = self.lines[rowNo % styleCount] rowColor = rowStyle.strokeColor dash = getattr(rowStyle, "strokeDashArray", None) if hasattr(rowStyle, "strokeWidth"): width = rowStyle.strokeWidth elif hasattr(self.lines, "strokeWidth"): width = self.lines.strokeWidth else: width = None # Iterate over data columns. if self.joinedLines: points = [] for xy in row: points = points + [xy[0], xy[1]] if inFill: points = points + [inFillX1, inFillY, inFillX0, inFillY] filler = getattr(rowStyle, "filler", None) if filler: filler.fill(self, inFillG, rowNo, rowColor, points) else: inFillG.add(Polygon(points, fillColor=rowColor, strokeColor=rowColor, strokeWidth=0.1)) else: line = PolyLine(points, strokeColor=rowColor, strokeLineCap=0, strokeLineJoin=1) if width: line.strokeWidth = width if dash: line.strokeDashArray = dash g.add(line) if hasattr(rowStyle, "symbol"): uSymbol = rowStyle.symbol elif hasattr(self.lines, "symbol"): uSymbol = self.lines.symbol else: uSymbol = None if uSymbol: j = -1 if bubblePlot: drow = self.data[rowNo] for xy in row: j += 1 symbol = uSymbol2Symbol(uSymbol, xy[0], xy[1], rowColor) if symbol: if bubblePlot: symbol.size = bubbleR * (drow[j][2] / bubbleMax) ** 0.5 g.add(symbol) # Draw data labels. for colNo in range(len(row)): x1, y1 = row[colNo] self.drawLabel(g, rowNo, colNo, x1, y1) shader = getattr(rowStyle, "shader", None) if shader: shader.shade(self, g, rowNo, rowColor, row) return g def makeSwatchSample(self, rowNo, x, y, width, height): styleCount = len(self.lines) styleIdx = rowNo % styleCount rowColor = self.lines[styleIdx].strokeColor if self.joinedLines: dash = getattr(self.lines[styleIdx], "strokeDashArray", getattr(self.lines, "strokeDashArray", None)) strokeWidth = getattr( self.lines[styleIdx], "strokeWidth", getattr(self.lines[styleIdx], "strokeWidth", None) ) L = Line(x, y, x + width, y + height, strokeColor=rowColor, strokeLineCap=0) if strokeWidth: L.strokeWidth = strokeWidth if dash: L.strokeDashArray = dash else: L = None if hasattr(self.lines[styleIdx], "symbol"): S = self.lines[styleIdx].symbol elif hasattr(self.lines, "symbol"): S = self.lines.symbol else: S = None if S: S = uSymbol2Symbol(S, x + width / 2.0, y + height / 2.0, rowColor) if S and L: g = Group() g.add(S) g.add(L) return g return S or L def draw(self): yA = self.yValueAxis xA = self.xValueAxis if getattr(self, "_bubblePlot", None): yA._bubblePlot = xA._bubblePlot = 1 yA.setPosition(self.x, self.y, self.height) if yA: yA.joinAxis = xA if xA: xA.joinAxis = yA yA.configure(self.data) # if zero is in chart, put x axis there, otherwise use bottom. xAxisCrossesAt = yA.scale(0) if (xAxisCrossesAt > self.y + self.height) or (xAxisCrossesAt < self.y): y = self.y else: y = xAxisCrossesAt xA.setPosition(self.x, y, self.width) xA.configure(self.data) self.calcPositions() g = Group() g.add(self.makeBackground()) if self._inFill: self._inFillG = Group() g.add(self._inFillG) g.add(xA) g.add(yA) yA.gridStart = xA._x yA.gridEnd = xA._x + xA._length xA.gridStart = yA._y xA.gridEnd = yA._y + yA._length xA.makeGrid(g, parent=self) yA.makeGrid(g, parent=self) g.add(self.makeLines()) for a in getattr(self, "annotations", ()): g.add(a(self, xA.scale, yA.scale)) return g