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
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