Saw-Tooth Roof Design

Is anyine familiar with saw-tooth roof design and are there any web-based resources for truss design for these? They're common in the Florida Keys/Key West, far less so in a snow-load area.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.