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HDevelop User's Manual

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18 APPENDIX B. DEVELOP<br />

Parallelization Information<br />

Ú ÑÔ ÚÖ is local and processed completely exclusively without parallelization.<br />

Ú ÙÒÑÔ ÚÖ<br />

Ú ÙÒÑÔ ÚÖ<br />

Ú ÑÔ ÔÖ, Ú ÑÔ ÔÖÓ<br />

Basic operators<br />

Possible Predecessor Functions<br />

Possible Successor Functions<br />

See Also<br />

Module<br />

Ú ÓÔÒ ÛÒÓÛ ´ ÊÓÛ¸ ÓÐÙÑÒ¸ Ïظ Àظ<br />

ÖÓÙÒ ÏÒÓÛÀÒÐ µ<br />

Open a graphics window.<br />

Ú ÓÔÒ ÛÒÓÛ opens a new graphics window, which can be used to perform output of gray<br />

value data, regions, and graphics as well as to perform textual output. This new window automatically<br />

becomes active, which means that all output (Ú ×ÔÐÝ and automatical display<br />

of operator results) is redirected to this window. This is shown by the green dot in the ØÚ<br />

button.<br />

In the case of the standard display operators (like ×Ô Ñ, ×Ô ÖÓÒ, ×Ô ÐÒ,etc.)<br />

instead of Ú ×ÔÐÝ the logical window number ÏÒÓÛÀÒÐ has to be used.<br />

The background of the created window is set to the color specified in ÖÓÙÒ.<br />

Pressing the ÐÖ button clears the graphics window contents and the history of the window.<br />

This can also be achived by using the operator Ú ÐÖ ÛÒÓÛ. You close a graphics window<br />

using the ÐÓ× button of the window frame or by calling Ú ÐÓ× ÛÒÓÛ.<br />

The the origin of the graphics window is the upper left corner with the coordinates (0,0). The x<br />

values (column) increase from left to right, the y values increase from top to bottom. Normally,<br />

the coordinate system of the graphics window corresponds to the the most recently displayed<br />

image, which is automatically zoomed so that every pixel of the image is visible. The coordinate<br />

system can be changed interactively using the menu Î×ÙÐÞØÓÒ º ËØ ÈÖÑØÖ× º<br />

ÓÓÑ or with the operator Ú ×Ø ÔÖØ. Every time an image with a different size is displayed,<br />

the coordinate system will be adapted automatically.<br />

Each window has a history which contains all<br />

¯ objects and<br />

¯ display parameters<br />

which have been displayed or changed since the most recent clear action or display of a full<br />

image. This history is used for redrawing the contents of the window. Other output like text or<br />

general graphics like ×Ô ÐÒ or ×Ô ÖÐ or iconic data that is displayed using HAL-<br />

CON operators like ×Ô Ñ or ×Ô ÖÓÒ are not part of the history, and are not redrawn.<br />

Only the object classes image, region, and XLD that are displayed with the <strong>HDevelop</strong><br />

operator Ú ×ÔÐÝ or by double clicking on an icon are part of the history.<br />

<strong>HDevelop</strong> / 2000-11-16

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