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