Download Berkeley Water Center Data Cube
Transcript
CONTENTS Overview ......................................................................................................................... 3 An introduction to Berkeley Water Center data cubes ................................................... 3 Installation ...................................................................................................................... 4 Add library to Matlab Path ......................................................................................... 5 Adding java classes to classpath ................................................................................. 5 Result Data Structure ...................................................................................................... 6 Example data structure usage...................................................................................... 6 Using the Graphical User Interface ................................................................................ 7 Starting the interface ................................................................................................... 7 Query dialog description and usage ............................................................................ 9 Dimensions ........................................................................................................... 10 Measure ................................................................................................................. 11 Filters .................................................................................................................... 11 Filter members from hierarchies ....................................................................... 12 Result Variable Name ........................................................................................... 15 Code Text Box ...................................................................................................... 15 Triggering custom analytical code ............................................................................ 15 Using the QueryCube() Function Interface .................................................................. 16 Examples of Cube Queries and Analyses ..................................................................... 17 Example 1: 2004 Daily Temperature at Boreal Forest sites outside Canada ............ 17 Setting up the query .............................................................................................. 18 Dimensions ....................................................................................................... 18 Measure ............................................................................................................. 19 Filters ................................................................................................................ 19 Time .............................................................................................................. 19 Datum Type .................................................................................................. 19 Results ............................................................................................................... 20 Plotting these data ................................................................................................. 21 Example 2: Availability of Data for Productivity Study.......................................... 22 Setting up the query .............................................................................................. 22 Dimensions ....................................................................................................... 24 Measure ............................................................................................................. 24 Filters ................................................................................................................ 24 Results ............................................................................................................... 25 Tabulating these data ............................................................................................ 26 11/10/2008 2