add another example using bar charts and multiple axes

git-svn-id: http://graphy.googlecode.com/svn/trunk@60 30582518-8026-11dd-8d1c-71c7e1663bfb
2008-12-23 16:43:04 +00:00 · 2008-12-23 16:43:04 +00:00 · 53913683a1
parent 4f81f79a5a
commit 53913683a1
1 changed files with 59 additions and 0 deletions
--- a/examples/states.py
+++ b/examples/states.py
@ -0,0 +1,59 @@
+#!/usr/bin/python2.4
+#
+# Copyright 2008 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from graphy.backends import google_chart_api
+from graphy import common
+
+# Area of some states, in square miles
+# Data from http://www.enchantedlearning.com/usa/states/area.shtml
+area = {'WA': 71303,
+        'OR': 98386,
+        'ID': 83574,
+        'MT': 147046,
+        'WY': 97818,
+        'ME': 35387,
+        'VT': 9615,
+        'NH': 9351,
+        'MA': 10555,
+        'NY': 54475,
+        'CT': 5544,
+        'RI': 1545,
+        'NJ': 8722,
+        'PA': 46058}
+northwest = ('WA', 'OR', 'ID', 'MT', 'WY')
+northeast = ('ME', 'VT', 'NH', 'MA', 'NY', 'CT', 'RI', 'NJ', 'PA')
+states = northwest + northeast
+areas = [area[s] for s in states]
+
+print '<html><body>'
+print '<h1>Areas of States in the Northwest and Northeast US</h1>'
+print '<h3>(in square miles)</h3>'
+
+chart = google_chart_api.BarChart(areas)
+chart.bottom.labels = states
+region_axis = common.Axis()
+region_axis.min = 0
+region_axis.max = 100
+region_axis.labels = ['Northwest', 'Northeast']
+region_axis.label_positions = [20, 60]
+chart.AddAxis(common.AxisPosition.BOTTOM, region_axis)
+ylabels = range(0, 150001, 50000)
+chart.left.min = min(ylabels)
+chart.left.max = max(ylabels)
+chart.left.labels = ['%sK' % (x / 1000) for x in ylabels]
+chart.left.label_positions = ylabels
+print chart.display.Img(500, 220)
+print '</body></html>'