User Guide Shipped with LTVT

Table of contents

Welcome to LTVT

• The User's Guide

Overview

• What is LTVT?
• Why LTVT?
• What LTVT can do for you

What You Need to Know

• How LTVT is distributed
• Overview of disk files
• Texture files
• JPL Ephemeris files
• The Named Lunar Features file
• The TAI Offsets file
• The LTVT.ini parameters file
• File opening dialogs

Getting Started - Step by Step

• Install and Test
• Accessing Help
• Adding JPL Ephemeris Files
• Adding Texture Files
• Changing texture files
• Saving your options
• Interpreting the results

What the Buttons Do

• The Main Window
• The Files Menu
• The Change File Associations Window
• The Calibrate a User Photo Window
• The Calibrate a Satellite Photo Window
• The Comment Entry Form
• The Load a Calibrated Photo Window
• The Lunar Chart Viewer/Loader
• The Export Texture Window
• The Tools Menu
• The Go To Window
• The Circle Drawing Tool
• Changing the Target Planet
• The Change Dots/Labels Window
• The Change Cartographic Options Window
• The Change Mouse Options Window
• The Change DEM Options Window
• The Contour Drawing Tool
• The Image Right-Click Menu
• The Set Year Window
• The Change Location Window
• New Location Entry Form
• The Moon Event Predictor Window
• The Libration Tabulator Window
• The Search for Photos Window
• The Pop-up Memo
• The Comment Entry Form
• Earth viewed from Moon

Frequently Asked Questions

• LTVT FAQ

Technical Details

• System Requirements
• How LTVT Works
• JPL Horizons
• CSV files
• DEM files
• Why does LTVT work only in UT?
• What are selenographic coordinates?
• What do the X and Y mean?
• Where is the terminator really?
• Limitations/Known Issues