Are transformed the current transformation matrix
185
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• scale modifies the unit lengths independently along the current x and y axes, leaving the origin location and the orientation of the axes unchanged.
• concat applies an arbitrary linear transformation to the user coordinate sys- tem.
Example 4.1
| /box |
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| { | ||
0 1 lineto
1 1 lineto
1 0 lineto
closepath
} def
| Graphics |
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% can modify.
72 72 scale % Modify the current transformation matrix so that everything % subsequently drawn will be 72 times larger; that is, each unit % will represent an inch instead of 1⁄72 inch.
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FIGURE 4.1 The two squares produced by Example 4.1
