Command Help link-drive-ends

 

Command Name	Menu	Quick Key	Link to Command Table
link-drive-ends	Command line only	lde	Click here

Description

Create drive wireframe, with separately defined ends.

How to use

Before using this command, select-cross-section should be used to set up the required drive cross-section. Underground drives are then designed by defining and modifying drive control strings. Typically the command assign-end-section will also have been used to accurately define the required beginning and end parts of the drive. The link-drive-ends command is used to automatically assign drive cross-sectional perimeters to points along the control string, between the beginning and end, and form a wireframe model of the drive. The control string, beginning and end cross-sections must be identified by the user.

The volume, tonnage and other quantities are automatically determined and stored in a drive evaluation file, and if a block model has been opened, the drive will be fully evaluated against it. The newly-created wireframe data will join any other currently available wireframe data. Use of the toggle command x-sections-switch controls whether or not the intermediate drive cross-sectional perimeters remain in memory.

Use of the toggle command wall-strings-switch controls whether or not wall strings and roof strings will also be automatically generated. The wall strings may be very useful for drive design and layout purposes.

Using this command in conjunction with the 3D Solid linking method. If you have strings on adjacent sections that are to be linked together, and those strings cross each other when viewed in the direction of wireframing, then temporary vertices are inserted into the string and these temporary vertices are used when the wireframe is created.  Since pairs of strings are wireframed at a time it is possible for these temporary vertices to be created for one pair of strings and not the other.  In this situation a wireframe may be built which contains inconsistencies.  Therefore the 3D-Solid method is not suitable for use with the older linking commands if adjacent sections contain strings that cross each other in the direction of wireframing. More about the 3D Solid linking method...