Aquaveo & Water Resources Engineering News

October 2011 Sprint Highlights

Some of the more interesting accomplishments from the October 2011 sprint (now that it's almost December):

  • Fixed 10 bugs
  • Got our version of MODFLOW-NWT working with MNW, SFR and UZF packages
  • Fixed the model wrapper for MODFLOW-NWT to show progress
  • Documented MODFLOW-NWT on the wiki
  • Created a MODFLOW-NWT tutorial
  • Held a training course in Australia (see post below)
  • Designed and implemented the ZONEBUDGET interface (available in 8.2)
  • Made some improvements to our continuous testing system, including adding a new machine
  • Added an Export 3D Grid to Shapefile feature (available in 8.2)
  • Fixed some problems with the new manual MODPATH option (available in 8.2)
  • Designed support for the ISTCB2 option in the SFR package
  • Reviewed user requests on the forum and put them on the backlog

Exporting 3D grids to shapefiles

A new feature in GMS 8.2 is the ability to export a 3D grid to a shapefile. The following figures show a MODFLOW model from the Lake package tutorial. The first image shows the model in GMS. The second shows the grid exported as a shapefile and read into ArcMap 10 with a background map, symbology, and transparency. GMS includes a projection file with the exported shapefile which causes it to be properly positioned when imported to ArcMap.

Training Adelaide Australia

Sustainable Resources Industry Training (SRIT) hosted a GMS training course in Adelaide, Australia from October 4-7. The course was a great success with attendees from Australia, New Zealand, and the Philippines. Thank you to all who attended and to Geoff and Glenys Flight from SRIT for organizing the course.

September 2011 Sprint Highlights

Some of the more interesting accomplishments from the September 2011 sprint:

  • Released GMS 8.1 with 64 bit support, faster MODFLOW I/O, enhanced lighting options and other features.
  • Almost finished the MODFLOW NWT interface coming with GMS 8.2.
  • Posted an update of GMS 8.0.
  • Fixed over 30 bugs
  • Furthered the development of the ADH interface for the US Army Corp of Engineers
  • Completed changes to the MODPATH interface to make automatically running MODPATH optional. Will be available in GMS 8.2.
  • Added support for the MODFLOW DE4 solver, to be available in GMS 8.2.
  • Added support for preserving comments at the top of MODFLOW package files in the NWT and UZF packages (available in GMS 8.2).

August 2011 Sprint Highlights

Some of the more interesting accomplishments from the August  2011 sprint:
  • Fixed over 36 bugs
  • Posted a new video about the Text Import Wizard on our YouTube channel
  • Posted a new video about the automated parameter estimation with PEST on our YouTube channel
  • Posted the video from July's "What's new in GMS 8.0" webinar
  • Completed phase two of the ADH interface for the Army Corp of Engineers
  • Made progress on the MODFLOW-NWT interface
  • Assisted the consulting group on several projects

July 2011 Sprint Highlights

Some of the more interesting accomplishments from the July 2011 sprint:
  • Fixed over 29 bugs
  • Did a live webinar on what's new in GMS 8.0 and 8.1. Unfortunately we don't have the recording posted yet but hope to soon.
  • Posted a new video about interpolating MODFLOW layer elevations on our YouTube channel
  • Completed phase one of the ADH interface for the Army Corp of Engineers
  • Started the MODFLOW-NWT interface
  • Finished the 3D grid display option to contour a second specified data set
  • Fixed a few FEMWATER bugs
  • More wiki clean up and progress on Wiki to PDF feature
  • More manual testing of 64 bit GMS
  • Assisted the consulting group on several projects
  • Visited the University of Michigan to discuss an "Environmental and Ship Motion Forecasting" project for the U.S. Navy
  • Added an image in the image gallery

GMS Webinar July 21, 2011

The GMS team held its first webinar on July 21, 2011. The webinar highlighted new features in GMS 8.0 and 8.1. We wanted to thank everyone that took time out of their schedule to attend the webinar. If you have any feedback please send it to us at
We hope to post a recording of the webinar shortly. Here is a list of some of the features that were demonstrated:

  1. General Features
    1. Learning Center -
    2. YouTube channel -
    3. GMS Community Edition -
    4. Import from Web
    5. ArcGIS map server layers
  2. Improved 3D Graphics
    1. Transparency
    2. New lighting options
    3. Faster data set switching
    4. Faster frame rate (real time pan/rotate)
    5. Block Fill contours
    6. Save to Google Earth
  3. New Modeling Features
    1. MODFLOW 2005
    2. UZF Package
    3. LMG3 package - Parallel Versions of MODFLOW 2000 & 2005
    4. Open Containing Folder
    5. Parameter Estimation - Different types of regularization
    6. SEAWAT
    7. Regional to Local model enhancements
  4. 64 bit Version of GMS
    1. Coming with version 8.1
    2. Load larger models
    3. Work with larger data sets
    4. 64 bit versions of MODFLOW

June 2011 Sprint Highlights

Some of the more interesting accomplishments from the June 2011 sprint:
  • Fixed over 37 bugs
  • Got "Learn GMS" help menu command working for 32 and 64bit
  • Fixed issues with 64bit and small allocations
  • Found and fixed several memory leaks
  • Added units tests for all the projection and reprojection stuff
  • Almost completed the 3D grid display option to contour a second specified data set
  • Tested and debugged 64bit version with a large MODFLOW model
  • Fixed order of Annotations tool bar and fixed north arrows to open installed north arrows folder by default
  • Cleaned up the wiki and made good progress on the Wiki to PDF feature
  • Added some unit tests for kriging and fixed some kriging bugs
  • Fixed slow drawing of rasters
  • Attended the MODFLOW & More conference in Golden, Colorado
  • Completed designs for MODFLOW-NWT and MODFLOW-MNW2
  • Added a new video to the YouTube channel about the free GMS Community edition