Civil 3D: Surfaces using Block with Attributes

June 23, 2022 Leo Lavayen

Been looking into some Autodesk Civil 3D functionally that may go unnoticed.  Working with a client who received drawing files from a surveyor and needed to create a surface from provided data.  The command to move block objects to elevation was used.

Here is a note directly from Civil 3D Help:

 

As shown below, the survey point data blocks have note for elevations, but have a physical Z value of 0

To leverage the provided data, the MOVEBLOCKSTOATTRIBELEV command was used to ultimately create a surface model.  The command can be found from the Surface contextual tab > Surface Tools palette  or from the Modify tab > Ground Data panel > Surface button > Surface contextual tab >

The command opens a dialog box where you can select the Block name and the embedded Attribute to use.

The command automatically selects and elevates blocks to the embedded elevation.

A surface can be created, and the Block data can be added a Drawing Objects

An easy way to utilize blocks with elevation to create surfaces.

About the Author

Leo Lavayen

Civil Applications Expert<br><br>As an Applications Expert, Leo is responsible for supporting, training and implementation of software for survey and civil engineering professionals. He has more than 19 years of experience helping large and small, public and private clients in the eastern United States.

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