Developer Documentation

LAS is highly configurable. More often that not you can get LAS to work the way you want to just by changing the configuration. If not, here's some information about the inner workings of LAS.

The JavaDoc — by roland — last modified 2007-09-11 14:43

This release of LAS is entirely based on Java and Java servlets. You can find out a lot of interesting things about how LAS works by studying the JavaDoc.

The XML and JSON Messages used by LAS — by roland — last modified 2007-07-19 07:30

This section has a brief description of the various messages that get passed between LAS components.

The REST Interface for GUI Construction — by roland — last modified 2007-02-27 15:31

You can use this REST interface to query the LAS server for data you need to populate a graphical user interface to LAS data and operations.

Javascript Components V1.0 — by callahan — last modified 2007-05-29 15:57

Descriptions, documentation and examples for the v1.0 version of the LAS javascript components. (pre-2007)

Javascript Components V2.x — by callahan — last modified 2007-05-29 16:24

Descriptions, documentation and examples for the v2.x version of the LAS javascript components. (2007 and later)

LAS Armstrong Architecture — by roland — last modified 2007-03-22 08:49

A diagram of the LAS Armstrong architecture.

LAS Error Message from the Ferret Backend Service — by roland — last modified 2007-08-28 07:29

We want LAS to be able to send informative and user friendly message to the user when something goes wrong when making a product using the Ferret Backend Service. Toward that end, we've created some configuration options to control the content and format of the error messages seen by the user. This page explains how they work.

Full Error Output — by roland — last modified 2007-07-19 07:18

An example of the full error output from the Ferret Backend Service.

map_scale information — by callahan — last modified 2007-08-19 12:27

Accessing nformation that allows javascript code to convert from image pixel coordinates to world coordinates.

Getting configuration information from within an output template. — by roland — last modified 2007-10-01 10:01

When writing an output template you have access to all of the LAS configuration information. This document explains how to get to the information you need.

Template Snippets — by callahan — last modified 2007-10-02 12:00

Velocity templates snippets that do useful things.

The XML Configuration for Data sets and Variables — by roland — last modified 2007-12-17 12:29

The fundamental piece of an LAS configuration is the description of the data sets and variables which an LAS server. This page gives the details about that part of the configuration XML.