Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Kml Basics Chpt 1 Overview

3,898 views

Published on

  • Be the first to like this

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

×