Tip #1: Sometimes when importing elevations, it is not clear which layer(s) to select. To find the name of the layer(s) containing elevations, import the complete drawing using File|Import. By using Change or Object Info, on items which look like they could be contours or spot heights, view the layer name. You now know which layer(s) to import using File|Import Contours.
Tip #2: To avoid a double-up of points or lines beneath the spot heights or contours turn off or delete the imported layers, which you determined are the layers containing the elevation information, prior to actioning File|Import Contours.
Tip #3: When required to select the relevant elevation layer(s) in the Import Contours dialog, you can highlight more than one by holding down the Ctrl key. In this way more than one layer can be selected before clicking OK.
Tip #4: If you are running Pro Version 9 through to Pro Version 10.5 IRRICAD can only handle 32,750 contour segments and spot heights. You can reduce the number of segments by enabling the “Simplify Contours” check box in Settings|Irrigation Items. Start a new design and re-import the elevation layers. If the message still occurs, increase the “Contour Simplification Tolerance” and re-import into a new design. Note simplification only works on polylines. If you have IRRICAD Pro Version 11, IRRICAD no longer has a limit for the number of contour segments or spot heights (using the default ABOS method).
We hope you have found this helpful. If you have a tip you would like to share, please email your tip to Support@IRRICAD.com