TouchEarth information

Table of contents


Requirements

An installation of Snowflake Suite, and a hardware device capable of sending TUIO events.

The alpha version of our new version of TouchEarth, which is still in development, can be reached from TouchEarth 2 Alpha (external link). Extract the contents into your ../Snowflake Suite/bin/release folder. This version of TouchEarth works with the latest Snowflake Suite version, Windows XP/Vista/7 and the latest Google Earth version.

The old version of TouchEarth can be reached from TouchEarth 1.6 (external link). It installs per default into your Snowflake Suite directory. This version works with Snowflake 1.6, Windows XP 32bit and Google Earth 5.0.

Information Recommended Minimum Hardware Requirements
See Google Earth recommended minimum hardware requirements.

TouchEarth 1.6 manual

Setup instructions

  1. Download and install Google Earth from http://earth.google.com (external link)
  2. Start Google Earth
  3. Go to View, deselect Toolbar and Sidebar options (to hide the bars)
  4. Maximize the Google Earth window by pressing F11
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Run instructions

  1. Start a TUIO sender, used to send the touch events to TouchEarth
  2. Launch TouchEarth, make sure that Google Earth is not already running
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Supported gestures

  • Double tap to zoom in
  • Pan around by dragging one finger
  • Rotate by dragging two fingers in a circular motion
  • Zoom by dragging two fingers in a pinch motion (towards/away from each other)
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Configuration

The TouchEarth configuration file can be found at C:\Documents and Settings\<user>\Application Data\Natural User Interface Technologies AB\TouchEarth.

Example configuration
<?xml version="1.0"?>
<TouchEarth>
  <CameraSettings Latitude="-1.00895031085697" Longitude="36.6725475769161" Azimuth="-25.8197092978021" Range="3849172.84048341" Tilt="1.65224433790884E-14" />
  <RenderWindowSettings RenderWindowWidth="800" RenderWindowHeight="600" RenderWindowInitPosX="100" RenderWindowInitPosY="60" />
  <TiltSettings Enable="True" />
  <IgnoreMoreFingersWhenGesture Enable="False" />
  <InputBorders LeftUpperLimitX="0.1" LeftUpperLimitY="0.1" RightBottomLimitX="0.9" RightBottomLimitY="0.9" />
  <DoubleClickDelta Value="0.04" />
  <LayerHotkeys>
    <LayerHotkey Key="1" Modifier="None" Layer="Roads" />
  </LayerHotkeys>
</TouchEarth>

Information Supported Hotkey Setting
Key: 0-9 and F1-F12
Modifiers: "None", "Shift", "Control", "Alt"
Layer: Any layer found in Google Earth, exact name must be given as it appears in Google Earth

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