It is noted in the Operation column as Join on. Specify an attribute which the join will be based on. By default, the Only join lines with shared values from option is checked. When not selected, a compound path will be created. If two line segments in the selection are separated by a distance less than the set proximity value, check the Close segment gaps option to create a line segment that connects the two lines. If the distance between the end of a segment and the start of another is greater than the set proximity value, these lines will not be joined. A proximity value of zero will only join line segments that are touching. Units can be specified in map units or page units. On the Join tab, a Proximity value should be entered and proximity Units assigned. On the Join tab, in the Destination options, choose either to perform the join on the original target layer or specify a name for the new line layer that MAPublisher will create to hold the joined lines.
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In the Target Layer drop-down list, select the Line layer where the join will be performed. The Join Lines dialog box has two tabs: Join and Attributes. To use Join Lines, click the Join > Join Lines button on the MAPublisher toolbar or choose Object > MAPublisher > Join Lines.
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Join Lines can only be used on MAP Line layers. It is also very useful to run Join Lines prior to labeling with Label Features in order to reduce the occurrence of duplicate labels. Join Lines can be very useful for reducing the size of a data file by joining related lines and thus reducing the number of segments and associated data present in the file. These lines contain an attribute column based on the column used to join them. When Join Lines is completed, a new map layer is created that contains the joined lines.
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For example, it may be desirable to join all segments of a particular street by the common attribute of street name in order to create a single line element representing that street. Join Lines allows a group of line features to be joined based on a common attribute.