2006/05/31
CHAPTER 4 HP-GL/2 - 2
CONTENTS
1. COMMAND LIST.................................................................................................................. 4
2. INTRODUCTION .................................................................................................................. 6
3. TERMINOLOGY ...................................................................................................................7
3.1. Picture Frame........................................................................................................................... 7
3.2. Anchor Point ............................................................................................................................ 7
3.3. Graphics Window..................................................................................................................... 7
3.4. Hard Clip Limits........................................................................................................................ 7
3.5. Soft Clip Limits ......................................................................................................................... 7
3.6. Graphics Units ......................................................................................................................... 7
3.7. User Units ................................................................................................................................ 7
3.8. Current Units............................................................................................................................ 7
3.9. Pens......................................................................................................................................... 7
3.10. Absolute and Relative Plotting................................................................................................. 8
3.11. Fills........................................................................................................................................... 8
4. COMMAND SYNTAX ........................................................................................................... 9
4.1. Mnemonic................................................................................................................................. 9
4.2. Parameters............................................................................................................................... 9
4.3. Separators ............................................................................................................................... 9
4.4. Terminator................................................................................................................................ 9
5. THE HP-GL GRAPHICS WINDOW.................................................................................... 10
5.1. Units....................................................................................................................................... 10
5.2. The Scaling Points P1 and P2 ............................................................................................... 10
5.3. Scaling ................................................................................................................................... 10
5.4. Transformation....................................................................................................................... 10
6. PREPARING TO PRINT GRAPHIC IMAGES .................................................................... 11
6.1. Setting Up the Graphics Window ........................................................................................... 11
6.2. Using Existing Image Plots .................................................................................................... 11
6.3. Printing an Image................................................................................................................... 11
6.4. Entering HP-GL/2 Mode.........................................................................................................11
6.5. Quitting HP-GL/2 Mode..........................................................................................................11
7. COMMANDS ...................................................................................................................... 12
7.1. Initialize Commands............................................................................................................... 12
7.2. Plot Area and Unit Setting Instructions .................................................................................. 14
7.3. Pen Control and Plot Instructions .......................................................................................... 18
7.4. The polygon group ................................................................................................................. 25
7.5. Plot Function Instructions....................................................................................................... 30