Coordinates can be input by hand, or by copying and pasting from your preferred spreadsheet program. They can also be loaded from a previously saved file, or from a range of standard formats such as CSV using the Open File option in the toolbar.
Input coordinates will be validated on leaving the form. Please ensure all coordinate sets obey the following rules:
- No adjacent identical coordinates - This includes the first and last point being the same
- The shape produced must not cross itself
- All points must be positive
- There must be at least one point at both (0,y) and (x,0) otherwise validation will force move the coordinates to meet this criteria
- If the shape is closed then additional validation will prevent more then 3 direction changes on the Y axis.
- If the shape is open then the X coordinates must be entered in ascending order.
Finally, the input shape must be closed for Chamber's which is set automatically. However Custom Connection may be open or closed depending on the checkbox.
Removes the selected row from the coordinates table and the corresponding point in the cross section preview.
Removes all data from the coordinates table and the cross section preview.
Opens files saved with the .XPCHX file extension and displays the corresponding coordinates table and cross section preview. Most other standard text and spreadsheet formats can also be loaded; this will use the Universal Importer.
Saves the current coordinates table and cross section preview as a file with the .XPCHX file extension
Open Cross Section
An open Cross Section works differently to the closed as it has to match the rules of a Channel whilst still being "Custom". To fit this criteria the Cross Section preview changes to show the Cover Level (denoted by the green line) and will automatically expand the Cross Section to reach this Cover Level (where the shape has been expanded is shown by the dotted lines). In the toolbar, under the OK button, there is Expanded Height which shows the Height that will be taken when analysing. This Expanded Height is calculated based on the size of the Cross Section + Height to reach Cover Level.