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38 APPENDIX C. GLOSSARY<br />
Operator window In the operator window of <strong>HDevelop</strong> the parameters of the selected operators<br />
can be entered or modified.<br />
Real is the type name for floating point numbers. They are implemented using the C-type<br />
ÓÙÐ (8 bytes).<br />
Region A region is a set of image points without gray values. A region can<br />
be imagined as a binary image (mask). Regions are implemented using runlength<br />
encoding. The region size is not limited to the image size (see also<br />
×Ø ×Ý×ØÑ´³ÐÔ ÖÓÒ³¸³ØÖÙ³»³Ð׳µ in the HALCON reference manual.<br />
String is the type name for character strings. A string starts and ends with a single quote; in<br />
between any character can be used except single quote. The empty string consists of two<br />
consecutive single quotes. The maximum length of a character string is limited to 1024<br />
characters.<br />
Tuple A tuple is an ordered multivalue set. In case of control data a tuple can consist of a large<br />
number of items with different data types. The term tuple is also used in conjunction with<br />
iconic objects, if it is to be emphasized that several iconic objects will be used.<br />
Type iconic variables can be assigned with data items of type image, region, and XLD.<br />
The types of control data items can be one of ÒØÖ, ÖÐ, ÓÓÐÒ,or×ØÖÒ.<br />
Variable window In <strong>HDevelop</strong> the variable window manages the control and iconic data.<br />
XLD is the short term for eXtended Line Description. It is used as a superclass for contours,<br />
polygons, and lines (see also the HALCON Reference <strong>Manual</strong>).<br />
<strong>HDevelop</strong> / 2000-11-16