Kml Basics Chpt 1 Overview

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Kml Basics Chpt 1 Overview

  1. 1. Keyhole Modeling Language Chpt. 1 – A Quick Tour Mr. Thomas Cooper Outdoor Technology The Walker School
  2. 2. Geographical Information Systems <ul><li>Captures, stores, analyzes, manages, and presents data that is linked to location </li></ul><ul><li>Allow users to create interactive queries, analyze spatial information, edit data, maps, and present the results of all these operations </li></ul><ul><li>Location may be annotated by x, y, and z coordinates of longitude, latitude, and elevation </li></ul><ul><li>Real world objects are divided into two abstractions: discrete objects (a house) and continuous fields (rain fall amount or elevation). </li></ul><ul><li>Additional non-spatial data can also be stored along with the spatial data. </li></ul>
  3. 3. Google Earth Program Window Search Panel Places Panel Layers Panel Tool Bars Navigation Tools Zoom Tools Coordinates, Elevation
  4. 4. Downloading Google Earth http://earth.google.com/
  5. 5. Completing Searches <ul><li>Addresses (Zip Codes) </li></ul><ul><li>Business Names </li></ul><ul><li>Monuments and Parks (objects) </li></ul><ul><li>Coordinates (GPS Data) </li></ul>Networked Learning 2009
  6. 6. Creating Folders to Store Searches <ul><li>Go to the “Places” folder </li></ul><ul><li>Right-click on “My Places” icon </li></ul><ul><li>Add >> Folder </li></ul>Networked Learning 2009
  7. 7. Saving Searches <ul><li>Click and drag found places into the folder you created </li></ul><ul><li>Make sure the folder is checked. </li></ul><ul><li>Collapse the folder </li></ul><ul><li>Highlight the folder by clicking on it. </li></ul><ul><li>Go to File >> Save As >> Save Place As </li></ul>Networked Learning 2009
  8. 8. Working with Layers <ul><li>Over 206 layers in the primary data base </li></ul><ul><li>Major ones: roads, traffic, weather, Wikipedia, National Geographic, and global awareness. </li></ul><ul><li>More on the Earth Outreach Community </li></ul>Networked Learning 2009
  9. 9. Basic Trouble Shooting <ul><li>Reinstating Your Panels </li></ul><ul><li>Loosing Terrain Data </li></ul><ul><li>Reinstating Navigation Tools </li></ul><ul><li>Reinstating the Status Bar </li></ul><ul><li>Saving Content </li></ul>Networked Learning 2009
  10. 10. Creating Basic Placemarks <ul><li>Topics: </li></ul><ul><li>Naming </li></ul><ul><li>Adding Text </li></ul><ul><li>Coordinates </li></ul><ul><li>Style and Color </li></ul><ul><li>Altitude </li></ul><ul><li>Editing </li></ul><ul><li>Saving </li></ul>
  11. 11. Copy and Pasting Allows you to view KML code of an object.
  12. 12. Viewing Book Examples Downloading Sample Pages: http://www.informit.com/store/product.aspx?isbn=9780321525598
  13. 13. Hello Earth: First KML Program <ul><li><?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?> </li></ul><ul><li><kml xmlns=&quot;http://www.opengis.net/kml/2.2&quot;> </li></ul><ul><li><Placemark> </li></ul><ul><li><name>”Hello, Earth”</name> <description><Here's where we developed Google Earth></description> </li></ul><ul><li><Point> </li></ul><ul><li> <coordinates>-122.084583,37.42227,0</coordinates> </li></ul><ul><li></Point> </li></ul><ul><li></Placemark> </li></ul><ul><li></kml> </li></ul>
  14. 14. Structure of KML File Parent Child Element
  15. 15. Some Basic Rules <ul><li>Case is significant </li></ul><ul><li>Order is significant </li></ul><ul><li>Child elements can only belong to allowed parent elements </li></ul>
  16. 16. Online KML Tutorials http://code.google.com/apis/kml/documentation/kml_tut.html

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