L-Thia Overview

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

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

Outputs

Polygons with tabulated landuse and results stored in DB

Polygon selection or delineation

L-THIA Model

Tabulated editedlanduse

L-THIA NPS Outputs

WMS and WFS (XML) Map Output

Graph and Tabular Output

Area Selection (using Box)

Example Delineation Results

Editing Land Use

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)

Other Scripts deleteoldsessions.py

timer.py

Run daily; deletes all temporary files more than one day old

Used to time how long processes take

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

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

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