1. L-Thia Overview

2. L-THIA Area Process Index.html Select Existing (HUC) Watershed Input Latitude/Longitude Draw an Area of Interest (Box) Tabulate land use data by polygon of selected area Watershed delineation Tabulate L-THIA Inputs Geoserver: Display Outline output2.py huc.py manual.py Display polygon as WMS map layer snapping Determine Area Mobile App

3. L-Thia Modeling Tools Tabulated input from selected polygon landuse.py lthia.py Run L-Thia model Editing landuse Change CN OR EMC input table editemc.cgi cstdisplay.py Display graphical and tabular results editcn.cgi Edit L-THIA Inputs

4. Outputs Polygons with tabulated landuse and results stored in DB Polygon selection or delineation L-THIA Model Tabulated edited landuse L-THIA NPS Outputs WMS and WFS (XML) Map Output Graph and Tabular Output

5. Area Selection (using Box)

6. Example Delineation Results

7. Editing Land Use

8. Library Scripts  constants.py  databasetablenames.py  dbmodule_pg.py  tools.py  Arcpy Contains output string templates and other constant variables Contains names of database tables Contains database interaction functions Contains commonly used non- database functions ESRI geoprocessing library (licensed)

9. Other Scripts  deleteoldsessions.py  timer.py Run daily; deletes all temporary files more than one day old Used to time how long processes take

10. Javascript  floating controls.js  tabs.js  supertabs.js  tools.js  standard.js Javascript floating boxes Tabbed menus within floating boxes A copy of tabs.js that allows for two layers of tabs Handles zooming to a watershed; editing land use (the map-side part) A library of functions used in other Javascripts

11. Javascript Continued  key.js  polygon.js  wms236.js Contains the Google Maps key that lets us use their service Used for drawing polygons on the Google Map (for the select polygon tool) Allows display of data from a Geoserver onto a Google Map

12. HTML Documents  index.html  about_us.html  blank.html  tools_minitemplate.html  wait.html Main page, contains all site functionality Description page about the project A blank html file (used for some Javascript display purposes) Contains data for the tools tab Displays the waiting message