Color Vertical Bar Meters

pythondemo\colorvbarmeter.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 value to display on the meter
    value = 66.77

    # The background, border and bar colors of the meters
    bgColor = [0xcce4ff, 0xccffcc, 0xffdddd, 0xffffaa, 0xffccff, 0xeeeeee]
    borderColor = [0x000088, 0x006600, 0x880000, 0xee6600, 0x6600aa, 0x666666]
    barColor = [0x2299ff, 0x00ee00, 0xee4455, 0xff8800, 0x8833dd, 0x888888]

    # Create a LinearMeter object of size 70 x 260 pixels with a 3-pixel thick rounded frame
    m = LinearMeter(70, 260, bgColor[chartIndex], borderColor[chartIndex])
    m.setRoundedFrame(Transparent)
    m.setThickFrame(3)

    # Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale
    # labels are located on the left (default - implies vertical meter).
    m.setMeter(28, 33, 20, 194)

    # Set meter scale from 0 - 100, with a tick every 10 units
    m.setScale(0, 100, 10)

    # Demostrate different types of color scales
    smoothColorScale = [0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000]
    stepColorScale = [0, 0x33ff33, 50, 0xffff00, 80, 0xff3333, 100]
    highLowColorScale = [0, 0x0000ff, 40, Transparent, 60, Transparent, 100, 0xff0000]
    highColorScale = [70, Transparent, 100, 0xff0000]
    lowColorScale = [0, 0x0000ff, 30, Transparent]

    if chartIndex == 0 :
        # Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale)
        m.addColorScale(smoothColorScale, 53, 6)
    elif chartIndex == 1 :
        # Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0
        # to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8)
        # Add a low only color scale at x = 52 (right of meter scale) with thickness varying from 8
        # to 0
        m.addColorScale(lowColorScale, 52, 8, 52, 0)
    elif chartIndex == 2 :
        # Add a high only color scale at x = 52 (right of meter scale) with thickness varying from 0
        # to 8
        m.addColorScale(highColorScale, 52, 0, 52, 8)
    elif chartIndex == 3 :
        # Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from 0 to
        # 8
        m.addColorScale(smoothColorScale, 52, 0, 52, 8)
    elif chartIndex == 4 :
        # Add a 6-pixel thick high/low color scale at x = 53 (right of meter scale)
        m.addColorScale(highLowColorScale, 53, 6)
    else :
        # Add a 6-pixel thick step color scale at x = 53 (right of meter scale)
        m.addColorScale(stepColorScale, 53, 6)

    # Add a bar from 0 to value with glass effect and 4 pixel rounded corners
    m.addBar(0, value, barColor[chartIndex], glassEffect(NormalGlare, Left), 4)

    # Add a title using white (0xffffff) 8pt Arial Bold font with a border color background
    m.addTitle("Temp C", "Arial Bold", 8, 0xffffff).setBackground(borderColor[chartIndex])

    # Add a bottom title using white (0xffffff) 8pt Arial Bold font with a border color background
    # to display the value
    m.addTitle2(Bottom, m.formatValue(value, "2"), "Arial Bold", 8, 0xffffff).setBackground(
        borderColor[chartIndex])

    # Output the chart
    m.makeChart("colorvbarmeter%s.png" % chartIndex)


createChart(0)
createChart(1)
createChart(2)
createChart(3)
createChart(4)
createChart(5)