Line charts in PDF file

Horizontal Line chart

from reportlab.graphics.charts.linecharts import HorizontalLineChart

data = [
 (13, 5, 20, 22, 37, 45, 19, 4),
 (5, 20, 46, 38, 23, 21, 6, 14)
]

Category Axis and Value Axis

from reportlab.lib import colors
my_path='G:\\My drive\\testing\\pypdf2\\my_pdf.pdf' 
from reportlab.graphics.shapes import Drawing
from reportlab.graphics.charts.linecharts import HorizontalLineChart
d=Drawing(1000,500) # width , height
lc=HorizontalLineChart()

data = [
 (13, 5, 20, 22, 37, 45, 19, 4),
 (5, 20, 46, 38, 23, 21, 6, 14)
]
lc.x = 50  # horizontal position
lc.y = 50  # vertical position 
lc.height = 400 # height of the chart area
lc.width = 930  # width of the chart area
lc.data = data
lc.lines[0].strokeWidth=2  # width of the line 1 
lc.lines[1].strokeWidth=4  # width of the line 2
lc.lines[0].strokeColor=colors.blue # line colour
lc.lines[1].strokeColor=colors.red  # line colour 
lc.valueAxis.valueMin = 0
lc.valueAxis.valueMax = 50
lc.valueAxis.valueStep = 10
lc.categoryAxis.labels.boxAnchor = 'ne'
lc.categoryAxis.labels.dx = 5
lc.categoryAxis.labels.dy = -2
lc.categoryAxis.labels.angle = 30
lc.categoryAxis.categoryNames = ['Jan-22','Feb-22','Mar-22',
 'Apr-22','May-22','Jun-22','Jul-22','Aug-22']
d.add(lc, '')

from reportlab.graphics import renderPDF
renderPDF.drawToFile(d, my_path, '')

Background colour of the chart

lc.fillColor=colors.yellow # background colour

Colour of lines

lc.lines[0].strokeColor=colors.blue # line colour
lc.lines[1].strokeColor=colors.red  # line colour

Line Plots

from reportlab.lib import colors
my_path='G:\\My drive\\testing\\pypdf2\\my_pdf.pdf' 
from reportlab.graphics.shapes import Drawing
from reportlab.graphics.charts.lineplots import LinePlot
from reportlab.graphics.widgets.markers import makeMarker
d=Drawing(1000,500) # width , height

data = [
 ((1,4), (2,2), (2.5,1), (3,3), (4,5)),
 ((1,3), (2,3), (2.5,2), (3.5,5), (4,6))
]
lp = LinePlot()
lp.x = 40
lp.y = 50
lp.height = 445
lp.width = 945
lp.data = data
lp.joinedLines = 1
lp.lines[0].symbol = makeMarker('FilledCircle')
lp.lines[1].symbol = makeMarker('Circle')
lp.lineLabelFormat = '%2.0f'
lp.strokeColor = colors.black
lp.xValueAxis.valueMin = 0
lp.xValueAxis.valueMax = 5
lp.xValueAxis.valueSteps = [1, 2, 2.5, 3, 4, 5]
lp.xValueAxis.labelTextFormat = '%2.1f'
lp.yValueAxis.valueMin = 0
lp.yValueAxis.valueMax = 7
lp.yValueAxis.valueSteps = [1, 2, 3, 5, 6]
d.add(lp)
from reportlab.graphics import renderPDF
renderPDF.drawToFile(d, my_path, '')

Subhendu Mohapatra

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