McIDAS-X Learning Guide
Version 2020

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Graphics and the Cursor

Table of Contents:

Graphics and the Cursor

Graphics are the line drawings such as maps, isolines, diagrams, or text displayed on an image frame. You can change the graphics color, line width, dash length, dash gap length, and dash gap color.

The cursor is a visible marker on an image frame that can be moved with the mouse. You can use the cursor to point to specific locations and then determine the coordinates. You can change the color, shape, and size of the cursor.

This lesson describes how to:

The following commands are used in this lesson.
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, color 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 toggles the image frame 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

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