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GeoTomo USA
15995 N Barkers Landing, Ste 110
Houston, TX 77079
Tel:  281-597-1429
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VISUS Release Version 1.6  
   

VISUS New Features and Fixes


 

 

This release is made on November 19, 2004
 
Faster Data Loading for Large 3D SEGY and Grid Models:  When scanning or rotating very large 3D SEGY or grid model files the system response is sometimes slow.  To speed up the display for these data sets, a new data loading option has been added.  When using this option, the program will display two slices through the volume.  For SEGY volumes, there will be vertical x-plane and y-plane slices through the center of the model.  For grid models there will be a horizontal z-plane and a vertical y-plane slice through the center of the model.   These planes can be scanned through the volume with controls located in the property dialog.  The third axis plane can be turned on from the property dialog but the display will be slower.  To load files using this option, select File/Open Large 3D SEGY File.
 
Scan Large 3D Volumes:  Scanning for large 3D SEGY or grid model volumes is now automatically limited to one axis at a time.  When one scan is started, the scan buttons for the other directions are disabled.  When the scan is stopped, all buttons are restored and any single scan can be selected
 
Depth to Time Conversion for Well Logs:  The depth to time conversion for well bores has been modified so that the well logs can be converted at the same time.  The input and converted output well log file names are simply added to the .3welZ/.3welT dialog to include the log curves in the conversion.   The output log curves will have file extension .logT or .lasT depending on the format the input depth log file.
 
New ASCII Well Log Format:  A new ASCII well log format has been added.  This new format requires a single header record, which contains the log curve names.  The curve values are in columns with one set of values per line.  The first column must contain depth.  The file type for this new format is .log and the file is loaded in the same manner as LAS formatted logs.
 
Well Names Displayed at Wellhead:  Well file names are now displayed in the scene next to the wellhead.  The label can be turned on or off from the Wellbore property dialog.  The color of the label can also be changed from the Wellbore property dialog.  By default, well name labels are off unless a well list is used to load the wells.
 
Multiple Log Curves Display: Multiple log curves can now be displayed for any well.  Selecting the curves to display is still done from the Wellbore property dialog except that you can now pick more than one curve.  Use the Shift key to select a group of curves that are adjacent to each other in the list.  Use the Control key to select any curves from the list.  The display for any curve can be changed as before opening the Log Curve property dialog for that curve.
 
Free Format Well Geometry:  Directional survey wellbore information can now be loaded from third party ASCII files.  The only restriction is that the input file contains one set of coordinates (X, Y, and Z) per line.  If you have multiple wells, they can be loaded together at the same time.  The program assumes there is one well per input file.  The new well data loader can be accessed by the File/Import Free Format Well pull-down command
 
Well List File for Loading Multiple Wells:  A new VISUS file type has been created to speed up the task of loading multiple wells.  This new file contains a list of wells and log curves that can all be loading by simply loading the file list.  The well files can be in either VECON or a third party ASCII format.  If available, the log curves for the wells are loaded at the same time.  The well file list file is identified by an extension of .dat and can be loaded by either File/Open or the Open File icon
 
Grid Cell Control for Import Interface: Loading of ASCII x, y, z interface data could give unsatisfactory results if the layer grid cell size was not chosen properly.  The defaults and user control for grid size have been changed to address this issue.  When loading the ASCII interface file, the program first scans the data points to determine the lateral extent of the layer.  The default grid size is set so that there are 100 grid cell in either x or y, which ever is larger.  Since the grid cells are square, there will be smaller number of cells along the other axis.  If the imported layer has holes or gaps, the number of grid cells should be decreased.  If the imported layer is too smooth, the number of grid cells should be increased.  To change the number of grid cells, open the Configuration dialog and change the Layer/Max. Grid parameter.