GPItv Viewer User’s Guide

This chapter describes how to use the gpitv graphical data viewer

Warning

Screen shots not yet ported into this HTML documentation.

Contents

• Purpose of GPItv
  • Summary of Functionality: Image Manipulation and Data Analysis
• Starting GPItv
• Quick Overview
• Example Usage Cases
  • Open an image and change display settings:
  • Search a specific keyword in the header of a FITS image:
  • Pick your preferred units:
  • Measure contrast curve:
  • Detect a companion using Simple Difference Imaging:
  • Plot the spectrum and brightness of the companion
  • Working with Polarimetric Images
• Additional Features
  • Multi-Session Mode
  • Optional Input Keywords
  • Command Line Interface Advanced Features
  • The coordinate system
  • Image statistics
  • Blinking images and making an RGB color image
  • Automatic Detection of new FITS files
  • Displaying GPI Wavelength Calibration grids
  • Other functions
  • Datacube Default Scaling Mode Droplist
  • Mouse modes in display window
  • Keyboard shortcut commands in display window
  • Displaying the state of GPI during some FITS file
• GPItv Options