August 2025

Surpac tip – Merging DTMs

We’ve received a recent question from one of our Surpac users about combining DTMs, and I thought I would share this on the blog. The specific query was:

I have 2 DTMs that I want to combine, one represents the surface up to the crest of a pit and the other the floor. When combined, they will represent a pit design with the surface extending away from the pit. 

Also, is there a Z factor or vertical exaggeration tool that can be applied temporarily to DTMs?

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Surpac Tip – TCL/SCL macro series (4 of 10)

SCL provides a number of excellent functions to create, add, import and manipulate layers.  There is also great reference material in the Surpac->Help menu.  My aim in this series is to introduce some of these features in more layman’s terms.  Some knowledge of how macro’s work with variables and commands will certainly be helpful but is not essential.

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Surpac Tip – TCL/SCL macro series (3 of 10)

SCL provides a number of excellent functions to create, add, import and manipulate layers.  There is also great reference material in the Surpac->Help menu.  My aim in this series is to introduce some of these features in more layman’s terms.  Some knowledge of how macro’s work with variables and commands will certainly be helpful but is not essential.

Read more