ChartDirector 7.0 (Python Edition)

Pyramid Elevation


            

This example demonstrates viewing the pyramid at different elevation angles, configured with PyramidChart.setViewAngle.

Source Code Listing

pythondemo\pyramidelevation.py
#!/usr/bin/python # The ChartDirector for Python module is assumed to be in "../lib" import sys, os sys.path.insert(0, os.path.join(os.path.abspath(sys.path[0]), "..", "lib")) from pychartdir import * def createChart(chartIndex) : # The data for the pyramid chart data = [156, 123, 211, 179] # The colors for the pyramid layers colors = [0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff] # The elevation angle angle = chartIndex * 15 # Create a PyramidChart object of size 200 x 200 pixels, with white (ffffff) background and grey # (888888) border c = PyramidChart(200, 200, 0xffffff, 0x888888) # Set the pyramid center at (100, 100), and width x height to 60 x 120 pixels c.setPyramidSize(100, 100, 60, 120) # Set the elevation angle c.addTitle("Elevation = %s" % (angle), "Arial Italic", 15) c.setViewAngle(angle) # Set the pyramid data c.setData(data) # Set the layer colors to the given colors c.setColors2(DataColor, colors) # Leave 1% gaps between layers c.setLayerGap(0.01) # Output the chart c.makeChart("pyramidelevation%s.png" % chartIndex) createChart(0) createChart(1) createChart(2) createChart(3) createChart(4) createChart(5) createChart(6)