VPV--The Velocity Profile Viewer User Manual

By John M. Donovan

U.S. GEOLOGICAL SURVEY

Open-File Report 2004-1255

Sacramento, California 2004

Complete accessible text of report (17.5 MB PDF)

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Abstract

    The Velocity Profile Viewer (VPV) is a tool for visualizing time series of velocity profiles developed by the U.S. Geological Survey (USGS). The USGS uses VPV to preview and present measured velocity data from acoustic Doppler current profilers and simulated velocity data from three-dimensional estuarine, river, and lake hydrodynamic models. The data can be viewed as an animated three-dimensional profile or as a stack of time-series graphs that each represents a location in the water column.

    The graphically displayed data are shown at each time step like frames of animation. The animation can play at several different speeds or can be suspended on one frame. The viewing angle and time can be manipulated using mouse interaction. A number of options control the appearance of the profile and the graphs. VPV cannot edit or save data, but it can create a Post-Script file showing the velocity profile in three dimensions. This user manual describes how to use each of these features. VPV is available and can be downloaded for free from the World Wide Web at http://ca.water.usgs.gov/program/sfbay/vpv.

CONTENTS

Abstract

Introduction

Background

Visualization

The Dop3d Applicaiton

The Velocity Application

The Velocity Profile Viewer Application

Text Information

The Main Graph

Mouse and Keyboard Control

Left Mouse Button Control

Mouse Control in the Three-Dimensional Profile View

Mouse Control in the Main Graph

Mouse Control in the Bin Graph View

Right Mouse Button Commands

Jump Commands

Zoom Commands

View Commands

Axis Commands

Time-Series Commands

Orientation Commands

Animations Commands

Bin Graphs Commands

Help Commands

Main Menu Commands

Printing

References Cited

Appendixes

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