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- 3.1.4 SCROLL WINDOW
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-
- The SCROLL WINDOW command is used to scroll or pan the currently displayed
- window across the screen to reveal previously hidden part of the overall
- drawing. The direction and displacement of the window can be controlled
- using modifiers or IDENTS.
-
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- COMMAND FORMAT
-
- #SCROLL WINDOW modifiers
-
- or
-
- #SCROLL WINDOW :Loc x1 x2 [:Loc x1 x2]
-
- If no modifiers are entered IDENTS can be used to digitise 2 locations
- within the visible window. The direction and displacement of the scroll
- is defined as the difference beteen the first digitise 'x1', and the
- second digitise 'x2'. ( See fig. 3.3 ).
-
-
- MODIFIERS
-
- LEFT Will scroll the current window to the left by a displacement
- of half of the visible portion of the window.
-
- RIGHT Will scroll the current window to the right by a displacement
- of half of the visible portion of the window.
-
- UP Will scroll the current window up towards the top of the
- display by a displacement of half of the visible portion of
- the window.
-
- DOWN Will scroll the current window down towards the bottom of
- the display by a displacement of half of the visible portion
- of the window.
-
-
- A valid combination of modifiers such as
-
- #SCROLL WINDOW UP LEFT
-
- may be entered.
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