Table of Contents:

• Basic Concepts
  • Graphics
  • Graphics Parameters
  • Drawing Maps
  • Virtual Graphics and Virtual Frame files
  • Cursor
• Defining Graphics Parameters
• Generating Graphics
  • Generating Maps
  • Adding Text and Freehand Drawings
• Erasing Graphics
• Saving and Restoring Graphics and Frames
  • Virtual Graphics Files
  • Virtual Frame Files
  • GIF files
• Changing the Cursor Shape, Color, and Size
• Contouring Data with the Cursor
• Zooming with the Cursor
• Locating Specific Positions Using the Cursor
• Finding Distances Between Points

Graphics

Cursor

This lesson describes how to:

• define graphics parameters
• generate graphics
• erase graphics
• save and restore graphics and frames
• change the cursor shape, color and size
• contour data with the cursor
• zoom in on frames with the cursor
• locate specific positions using the cursor
• find distances between points

Command	Function
CCODE	lists country codes
CUR	defines the cursor size, shape and color
CW	fills or erases graphics inside the cursor
DIST	finds the distance on a navigated frame
DMAP	lists information about files
E	lists earth, image and TV coordinates
ERASE	erases graphics, images or entire frames
FRMSAVE	saves a McIDAS frame to a GIF, JPEG, PostScript, PPM, or BMP format file
GD	defines graphics display parameters
GU	graphics utility
IMGPROBE	lists or plots image data for a region of the displayed image
K	turns an image on and off
LVF	lists virtual frame files
MAP	draws maps and latitude/longitude lines
PC	positions the cursor at a specific location
RVF	restores virtual frames saved with command SVF
S	lists Metar, Synoptic and RAOB stations within the cursor bounds
SHOWVG	displays virtual graphics
STNLIST	lists weather stations
STNPLOT	plots stations on a navigated frame
SVF	saves frames to a virtual frame file
TOWNS	lists the U.S. towns closest to the cursor location
W	toggles the graphics frame on and off
Z	toggles the zoom function on and off
ZA	displays an annotation at the cursor
ZLM	draws graphics using the mouse
ZM	sets the zoom factor to use with the Z command