GMAP OVERVIEW

After start-up the main menu is displayed.  An option in the menu may be selected through the use of the mouse and executed by clicking the mouse.

 Main options in GMAP include:

OPTION

Suboption

EFFECT

File

Import  

 

 

    Ascii

IMPORT ASCII CONTINENTAL FILES

 

    Palmap

IMPORT CONTINENTS FROM PALMAP PROJECT

 

    NGDC

IMPORT MAGNETIC ANOMALIES

 

    NorMaps

IMPORT NORWEGAIN MAPS (high resolution)

 

Ascii Export

EXPORT CONTINENTAL FILES

 

Convert old

CON files

CONVERT OLD CONTINENT FILES TO NEW FORMAT

(*.CON to *.C97 format)

 

Text Editor

ACTIVATE AN TEXT EDITOR

 

Exit

END/QUIT GMAP

 

 

 

Continent

Open

LOAD A CONTINENT FILE

 

Save As

SAVE A CONTINENT FILE

 

Merge

MERGE CONTINENTS FILES

 

Library

DISPLAY CONTINENTAL LIBRARY FILES

 

Table

REMOVE/DELETE DATA-POINTS

 

Draw

SCREEN DISPLAY OF CONTINENT

 

Rotate

ROTATE CONTINENT ACCORDING TO A PRE-DEFINED EULER-POLE

 

Calculate

distance

CALCULATE DISTANCE BETWEEN TWO GEOGRAPHIC POINTS (AND SPEED)

 

 

 

VGP

Open

LOAD A VGP DATA FILE

 

Save As

SAVE A VGP DATA FILE

 

Merge

MERGE VGP FILES

 

Draw

SCREEN DISPLAY OF VGP DATA

 

Library

LOAD A VGP LIBRARY FILE

 

Table

SHOW/EDIT/MANIPULATE VGP IN TABLE FORM

 

Rotate

ROTATE VGP ACCORDING TO A PRE-DEFINED EULER

POLE

 

Vgp reconstruct

MAKE A RECONSTRUCTION BASED ON A VGP

 

 

 

Animation

Open

LOAD AN ANIMATION FILE

 

Save As

SAVE AN ANIMATION FILE TO DISK

 

Library

LOAD AN ANIMATION LIBRARY FILE (Professional Edition)

 

Draw

SCREEN DISPLAY OF ANIMATION FILE

 

Table

SHOW/EDIT ANIMATION FILE IN TABLE FORM

 

 

 

Print

Send to printer

A COPY OF THE LAST SCREEN OPERATION IS SENT TO THE PRINTER BUFFER.  THE OPERATOR CAN BUILD UP COMPLEX PICTURES ON A SINGLE PAGE USING THIS OPTION FOLLOWED BY OPTION ‘End printing

 

End printing

THIS OPTION EMPTIES THE PRINTER BUFFER, I.E. STARTSPRINTING AND PERFORM FORM-FEED.  THE DEFAULT PRINTER IS SET WITH OPTION ‘Printer Setup’.

 

 

 

HPGL

Continent

WRITE CONTINENT TO A HPGL FILE

 

VGP

WRITE VGP FILE TO A HPGL FILE

 

Animation

WRITE ANIMATION FILE TO A HPGL FILE

 

Net

WRITE NET TO A HPGL FILE (this is done automatically when

writing ANIMATION files)

 

 

 

Euler

Open

LOAD EULER INFORMATION STORED IN A FILE

 

Keyboard input

SET AN EULER POLE AND ROTATION ANGLE

 

Euler rotation

PERFORM AN EULER ROTATION

 

Calculate E.P.

CALCULATE AN EULER POLE

 

Add Euler poles

CALCULATE AN EULER POLE BASED ON TWO SEPARATE EULER POLES

 

Euler Fit

CALCULATE BEST FIT EULER POLE (4 POINTS FIT)

 

Library

SELECT EULER DATA FROM FINITE ROTATION LIBRARY

 

 

 

Settings

Colours

 

 

    Backcolor

ADJUST BACKCOLOR SETTINGS

 

    Continent

ADJUST CONTINENT COLOR SETTINGS

 

    Net

ADJUST NET COLOR SETTINGS

 

    VGP

ADJUST VGP COLOR SETTINGS

 

    BW Palette

USE BLACK & WHITE PALETTE

 

Vgp defaults

ADJUST VGP SCREEN/HARDCOPY SETTINGS

 

Printer setup

ADJUST DEFAULT PRINTER SETTINGS

  

  

  

Clipboard

Copy

COPY CURRENT SCREEN TO THE CLIPBOARD

 

Paste

PASTE CLIPBOARD CONTENT TO SCREEN

 

Open Picture

OPEN A BITMAP PICTURE FILE

 

Save Picture

SAVE TO BITMAP PICTURE FILE

 

 

 

Velocity

 

CALCULATE LATITUDINAL DRIFT-RATES, ROTATIONS & POLARITY BIAS (Only Partner Edition)

 

 

 

GraphSys

Aldus

RUN ALDUS FREEHAND

 

Freelance

RUN LOTUS FREELANCE

 

Corel Draw

RUN COREL DRAW

 

 

Options displayed in the main menu (left part of the screen) include:

 

OPTIONS

EFFECT

Zoom

After entering this option a ‘pencil arrow’ is displayed on the screen, and

the pencil is moved around the screen using the cursor arrows. During this operation LATITUDE & LONGITUDE are displayed at the top of the

menu.  Click mouse at <EXIT> to finish.  A new plot, centred on the new

zoom-centre, is now displayed.

 

 

Translate

Interactive translation & rotation of continent or adding lines/points

/characters  to the existing continent.  After entering this option a ‘pencil arrow’ is displayed on the screen, and the ‘pencil’ is moved around the

screen using the cursor arrows.

    Translate

Move pencil arrow to any position on the continent:

Type 1 to record position

Move pencil arrow to a new LAT-LONG on the globe and,

Type 2 to record the new position

Click with mouse at <EXIT> to finish

A new plot showing the continent translated by an amount that takes point 1 to point 2 will now be displayed

    Point

Type P to draw lines between consecutive points

Click with mouse at <EXIT> to finish

Save continent in the main menu using a different file name

    Annotate

Move pencil arrow to any position on the continent

Type A to record position

Type a single character in the input edit box which will appear, e.g. T for Tillite, E for evaporites etc.

Click with mouse at <OK> to register character

Click with mouse at <EXIT> to finish

Save continent in the main menu using a different file name

 

 

Scale

Select scale (magnification) centred around zoom-centre. Click with mouse

at the appropriate scale value (50-2000%)

 

Blank

Change between BLANK ON and BLANK OFF

BLANK ON is default, and to preserve a picture during

successive loading of continents (‘OPEN CONTINENT)’ this

option must be set to OFF.  Click with mouse for the appropriate state

 

 

Grid

Set automatic drawing of NET to ON/OFF

Click with mouse for the appropriate state

 

 

Projection

Set projection type