source: trunk/examples/zoo/field/tool.xml @ 572

<?xml version="1.0"?>
<run>
<tool>
  <title>field</title>
  <about>Example of a Rappture &lt;field&gt; object.

Fields are a set of values defined on a mesh of some sort (see &lt;mesh&gt; and &lt;cloud&gt; elements for details).

When you click the Simulate button, the inputs will be used to generate output fields.
  </about>
  <command>
    tclsh @tool/field.tcl @driver
  </command>
</tool>
<input>
  <string id="formula">
    <about>
      <label>Formula</label>
      <description>Formula used to calculate the value of the field.</description>
      <hints>Example:  2*x*y + z</hints>
    </about>
    <default>x*y*z</default>
  </string>
  <separator/>
  <choice id="3D">
    <about>
      <label>3D Rendering</label>
      <description>Determines the method used for 3D rendering--either the built-in Vtk library or the external nanoVIS engine.</description>
    </about>
    <option>
      <about>
        <label>Vtk library</label>
        <description>This is the older visualization solution, implemented in Vtk and linked into the Rappture environment.</description>
      </about>
      <value>vtk</value>
    </option>
    <option>
      <about>
        <label>nanoVIS</label>
        <description>This is the newer nanoVIS engine running on accelerated hardware in the nanoHUB environment.</description>
      </about>
      <value>nanovis</value>
    </option>
    <default>nanovis</default>
  </choice>
</input>
<output>
  <cloud id="m2d">
    <about><label>2D Mesh</label></about>
    <units>um</units>
    <hide>yes</hide>
  </cloud>
  <field id="f2d">
    <about><label>2D Field</label></about>
    <component>
      <mesh>output.cloud(m2d)</mesh>
      <values></values>
    </component>
  </field>

  <field id="f3d">
    <about><label>3D Field</label></about>
    <component>
      <style>-color yellow</style>
    </component>
  </field>
</output>
</run>