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TC macro – Level Reductions

Provide ability to read various Level instrument files for review and prepare/reduce differential
results for Adjustment. Supporting Adjustment file formats for Least Squares LIN (12d Model
format) as well as LINZ.SNAP application. Results can be applied to a Model of points.

Provide basic level block analysis, such as distance imbalance and variance calculations and test
against tolerance specification. Allow splitting 4 shot blocks (BFFB/etc) into separate BF blocks and
merging of two BF blocks into one BFFB block. Two shot blocks (BF) do not report reading variance.

For more information please email us.



This macro is available for purchase.

Purchased macros are locked to a specific version of 12D Model and licensed to specified Company as named in their nodes.4d file or a specific Dongle ID.  Organisations with multiple Company named in their nodes.4d file (offices in different countries) may need to purchase a copy of the macro for each named company (office).   All macros are compiled to a specific version of 12d Model software and may not run on earlier or future versions of the software.  These macros may become obsolete with future 12d Model functionality.


Do not run this macro unless you agree:
– that neither Tatras Consulting Ltd, or the original developer of the macro, its associated files or any other company are responsible for the output, results or any action that takes place as a result of running the macro or any associated files.
– this macro is provided “AS IS” without any warranty of any kind. We disclaim any and all warranties, either express or implied, including but not limited to any warranty of merchantability and/or fitness for a particular purpose or your requirements nor that the performance or use thereof will be uninterrupted or error-free.
– this macro was compiled to a specific version of 12d Model software may not run on earlier or future versions of the software.
– you are solely responsible for the use of this macro and its documentation downloaded or sourced from the internet and you indemnify Tatras Consulting and the original contributor from any decisions, errors, and damages, loss of data or information, loss of profit or business resulting from downloading or running this macro and any other files or documentation.