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8 Dec 2019

Things have been a bit hectic, and I have uploaded GEM4D updates without notice. I backdated this post to the date when Version was published.

Most coding changes to Version were made to prepare for major extensions and optimisations in future updates. These changes introduced bugs and Version corrected the bugs, thanks to the feedback from many users. This post discusses the changes to both Versions and, and a new version ( will become available so...

28 Jul 2019

GEM4D Version has many improvements for adding data to a scene, which can then be saved as data files to record observations as points or lines type data. The PPV (or PGV) function from seismic or blasting vibrations was also improved and extended.

New functionality

  • Added a quick measurement line that is automatically deleted after the measurement as "Top toolbar => Lines => Single measurement". By default, the "TOGGLE: Delete lines" is checked and the lines automatically deleted af...

28 Apr 2019

GEM4D Version has a few bug fixes and the main additions are:

  1. Colour a mesh on the vertical distance to other meshes.

  2. Added Marker interpolation method options.

  3. Copy improvements from meshes and data statistics.

  4. Support for Virtual Reality Modelling Language (WRML) files.

  5. Ribbon behaviour improvements for quick access to selected functionality, see "Discussion: Ribbon behaviour" below.

New functionality

  • "Top toolbar => Color Palette 1 => Colour...

12 Jan 2019

GEM4D Version is a small update with three additions:

  1. PrisVec now correctly handles different date formats such as UK (Day/Month/Year) and US (Month/Day/Year);

  2. PPV can be shown as mm/s or m/s;

  3. Object center coordinates can be exported as a CSV-file.

I accidentally removed some of the columns from "Ribbon => Marker => Marker actions => Distance => Add grid distance column" in the previous version, which is used by many open pits for toe and crest reconciliation - a...

24 Nov 2018

GEM4D Version is compiled with the Microsoft .NET Framework Version 4.5.2, as the previous version used is not supported by Microsoft any longer. This unfortunately means that Windows XP is no longer supported, and I hope not many users are affected by the transition. GEM4D is advanced visualisation software, which will always require reasonably up-to-date hard and software.

This GEM4D version fixes three long-standing annoyances:

  1. Occasional scene blackouts that required a le...

28 Oct 2018

The main addition to GEM4D Version is the ability to retain data changes made to filtered data sets; as this ability enables the assignment of a default value, with subsequent changes to filtered extractions. A geotechnical or risk model can thus be easily created from a grid of data points as indicated in Discussion - Building geotechnical/risk models.

Seems everyone now transitioned to the 64-bit version of GEM4D, and the 32-bit download was removed. Let me know if you are still using a...

28 Sep 2018

Version is a minor update, with picking improvements and a bug fix.

More importantly, please provide feedback on changes that I am considering that will directly affect all users. If I am not receiving feedback to the contrary, I will be moving forward with the proposed changes, and reverting back will not be possible. Please respond before the end of October if any of the following will create difficulty, so I can gauge the number of affected users:

  1. Microsoft has dropped support...

16 Sep 2018

Version is an update with significant functionality additions, improvements and bug fixes. Background coding changes were made to Version, and I broke some of the functionality in the process - sorry about that. This version should be fully functional again, please let me know ASAP if bugs are discovered.

The background changes made to Version was done to accommodate an easy method of creating geotechnical databases, but more about that in the coming months.

New functionali...

19 Aug 2018

This update contains many small improvements that significantly improve the user experience, thanks for the feedback from many users. I skipped the Blog-entry for Version due to time constraints, and this entry covers the update for both versions.

I got many requests for GEM4D training lately, but have little free time at the moment, and decided to start a series of training videos. Due to time constraints, I record each training video once, compile and publish. The vi...

9 Jun 2018

This is a small update, but some long standing annoyances were eventuality corrected - such as the mouse events that did not always release, sorting of objects (also on colour), and the mouse wheel scrolling that did not work in data control. A new mesh cutting functionality was also added that will make life easy in many situations. Thanks this time to JP, RLP, WG, KdP, CB, GK, KB, EM, OW, CH, AB, LH, SE, RT, PN, FC, FN, JV, PE and SW.

New functionality

  • Added "Top toolbar...

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