CAMS

h1. Cloud border plugin

The cloud border plugin registers the location of the cloud border as transmitted by paparazzi, when the liquid water content value changes from zero to positive and vice versa. Activating this plugin also enables the display of border points in the GUI.

{{toc}}

h2. How to use it

h3. Scenario definition

Add _CloudBorder_ to the _plugins_ list of an aircraft. The plugin does not have any parameter. Example:

<pre><code class="yaml">

aircrafts:

    200:

        replay: false

        type: 'pprz'

        plugins:

            # Other plugins ...

            - CloudBorder

</code></pre>

Add the following dataview definitions. They are necessary for the GUI to fetch and display frontier points.

<pre><code class="yaml">

# DataViews

data_views:

    # View of the 'cloudborder' samples

    cloudborder:

        type: 'FetchView'

        name: 'CloudBorder'

        tags: ['cloudborder']

        displayable: false

    cloudborder_time:

        type: 'TimeView'

        name: 'CloudBorder Timed'

        parents: ['cloudborder']

</code></pre>

h3. Graphical User Interface

Border points appear as yellow dots in the _mapping_ page. The "Cloud border" checkbox controls de display of these points.

!Lace%20screenshot.png!

h2. How does it work

The plugin code resides in <code class="shell">nephelae_base/nephelae/plugins/CloudBorder.py</code>. It works by subscribing to the ivy <code class="python">dc_shot</code> messages from paparazzi. A <code class="python">CloudBorderSample</code> (<code class="python">cloudborder</code>) is disseminated each time a <code class="python">dc_shot</code> is received.