Site Updates

14th May, 2007 WinDisp 5.02, 3DModeller 5.02, 3DViewer 5.02

•  Added an option to digitise 3D section line in 3DModeller Locator window

•  BIF parameters are automatically saved before each model calculation

•  Added an option to display background grid lines in profile modeller

•  Added support for Newmont grid files

•  Added menu item to display 3D Model plan in 3DModeller Locator window

•  Improved support for appending a 3D model to an existing model

•  Fixed bugs in updating tree structure when moving nodes in 3DModeller

•  Extended Mapinfo/ArcMap raster output to allow creation of georeferenced JPG files

•  IP wizard now outputs a Geosoft file when reading non-standard IP data files

•  3DModeller outputs grid files clipped to data limits for oblique section display

•  Updated reading of MapInfo projection definitions to include support for custom datum definitions

•  Added an option to use a draped image to define UBC model values above or below the topo

•  Added an option to calculate the reciprocal of a grid in the Grid Transforms

•  Fixed bug in exporting faceted bodies to DXF format

•  Added an option to display Shape and MapInfo files as filled polygons

•  Added an option to display Shape and MapInfo files as vertical sections

•  Fixed bug in displaying drillhole data when using an Access/ODBC data source

•  Added support for new format Zonge ipd/ipm IP import

•  Added an option to colour facet files by elevation

•  Added an option to colour isosurfaces by elevation

•  Fixed bug in importing general array res2dinv files

•  Added an option to limit the maximum size of triangles when displaying points using the TIN option in  3DModeller

•  Gridding using triangulation now utilises the search radius to exclude triangles with sides larger than the search radius

•  Fixed bug in TIN generation code for handling duplicate data locations

•  Replaced theta map filter with tilt map transform

•  Fixed bug in drillhole display that caused some short segments to tilt

•  Added an option to write standard format UBC 2D IP inversion file (NB needs new UBCtoDat.exe in the IP Inversion Utilities download below)

•  Modified line interpretation feature to add thickness attribute

•  Added support for using Geosoft zon files as histogram and colour table files

•  Fixed bug in determining dxf limits when using a coordinate transform

•  Fixed bug in importing resinv2d inversion files

•  IP defaults can now be saved as named sets to permit easier swapping between different display styles

•  Added an option to use the dxf layer attribute when displaying 3d dxf files

•  Fixed bug in handling extruded MapInfo lines in 3DModeller

•  Fixed bug in handling jpg logo file

•  Added support for reading and writing VTK RECTILINEAR_GRID model files in the 3DModeller

•  Added support for extruding polygons from MapInfo and Shape files in 3DModeller

•  Added an option to insert a movie event in 3DMovie maker

•  Added more control over creating separate AMIRA files for each line in a posted data file

•  Added an option to output all TEM lines for 1D inversions

•  Added ability to copy area limit and channel selections to all panels in a multi-panel plot

•  Improved handling of degenerate polygons in MapInfo files for 3D display

•  Added options to control the x/z mesh when creating Zonge 2d IP inversion files

•  Fixed bug in applying a datum shift transform to a planar grid file

•  Added support for displaying Shape files as filled polygons in 3DModeller

•  Changed IP wizard to delete existing image histogram files when wizard has been run previously

•  Improved handling of GoCad ts files containing multiple bodies

•  Added an option to specify that inverted Zonge IP models should be masked at a specified distance below the topo surface

•  Fixed the node export and model append options in 3DViewer so that extruded polygonal surfaces get handled correctly

•  Vertical exaggeration in multi-panel display is now enabled for dxf, contour and shape/MapInfo files

•  Fixed bug in use of rotation increment when creating avi files in the 3DViewer

•  Added support for importing pole-pole UBC 2D IP inversion files

•  Added support for reading and writing Micromine/Vulcan grid files

•  Improved process for creating multiple AMIRA files from a single multi-line data file

•  Improved creation of cdi images for em profile data files

•  Modified code to allow larger 3D grids to be created

•  Modified 3D gridding to allow negative vertical search radius value to specify number of layers rather than distance

•  Modified isosurface code to allow larger models to be handled

•  Added horizontal gradient and despike filter options for profile posted data

•  Improved handling of profile posted data when gridding

•  Fixed bug in defining coordinate registration of 3D section display snapshot

•  Added an option to increase the resolution of the 3D section snapshot

•  Fixed bug when changing data column definitions on the 3D data file form

•  Added a phase flip grid transform to convert asymmetric features into symmetric ones

•  Added an expanded mesh option to help reduce edge effects when running tiled mag3d and grav3d inversions (NB needs new UBCExtract and UBCInsert utility programs)

2nd March, 2006 WinDisp 5.01, 3DViewer 3.01

•  Fixed problem with zero width 3D meshes being created when starting 3DViewer without a mesh being defined

•  Added improved control over output for airbeo and grendl inversions

•  Improved CDI calculation for AMIRA profile files

•  Implemented forward calculation and inversion routine EMlayer for layered earth inversions

•  Modified 3d model xyz output to generate total 3d data file

•  Fixed bug in selecting drillhole assay fields from Excel data files in 3D modeller

•  Improved display and selection of drillhole files in 3D modeller

•  Added option to use right button on collar plan view to toggle display of drillholes

•  Added an option to create a separate 3d object for each drillhole in 3D modeller

•  Fixed bug in displaying subsets of images in RGB format

•  Implemented support for split-cell Loke 3D models

•  Fixed bug in handling posted coordinates define using a macro

•  Fixed bug in calculating the image registration point for ERMapper grids when the value is not supplied in the ers file

•  Fixed bug in handling blank fields in Excel data posting files

•  Enabled the colour table file to be applied when displaying sun-illuminated and colour-drape images

•  Fixed bug in selecting drillhole assay fields from text data files in 3D modeller

•  Added an option to colour facet model files by elevation

•  Added options to flip X and/or Y coordinates when importing Loke res3d inversion files

•  Fixed bug in importing Res2dinv files with irregularly spaced electrodes

•  Added support for half-size cells option in Loke res3d inversion files

•  Modified drillhole export in the 3DModeller so that text fields are exported correctly

•  Modified profile modeller so that it starts in the current working directory

•  Modified profile modeller to allow saving and restoring of the current working directory

•  Modified profile modeller to add a slider to control remanance

•  Added azimuth of line to measure mode in main WinDisp display

•  Fixed bug in getting complete list of names from a Geosoft database

•  Fixed bug in toggling display of items in collaboration mode for 3DViewer

•  Removed upper bound limit on number of graphic items in 3DViewer

•  Increased maximum number of panels in multipanel display to 128

•  Added an option to use previous station as starting model for next station in emlayer output

•  Added an option to use reverse station order in emlayer output

•  Fixed bug which caused inaccuracy in printing scaled plots

•  Fixed implementation of theta map transform so that acos is now used to calculate angle

•  Modified display of 3D line code to allow colouring by value along each line

•  Added option to display drillhole data using points

•  Added options to group point data and label points in 3DModeller

•  Added option to mask inverted IP grids at specified depth below topo

•  Added option to display DXF file mapped onto section grid in 3DModeller

•  Added option to export DXF file mapped onto section grid in 3DModeller to full 3d coordinates

•  Added option to generate strip grids for posted data

•  Added perspective toggle button and locator window to 3DViewer

•  Improved handling of grid profiles for grid files with small cell sizes

•  Added locator form to 3DViewer

•  Added Reset > View options and changed operation of current View menu options in 3DViewer

•  Added display of current view centre point while it is being modified in 3DViewer

•  Added ability to change view centre point in the locator window by dragging the tip of the view direction vector

•  Added option to display topo data using points in multipanel display

•  Added Section display form to 3DViewer

14th January, 2005 WinDisp 5.00, 3DViewer 3.00

•  Fixed divide by zero bug when BIF builder form is first displayed

•  Fixed bug in loading drillhole files when column name can be interpreted as an SQL numeric calculation

•  Fixed bug in handling collar locations with null coordinate values

•  Fixed bug in exporting property fields for interpretation items in 3DViewer

•  Fixed bug in exporting interpretation items to non-csv formats

•  Added option to specifying a linear or log colour stretch in the IP pseudosection display wizar

•  Split the Survey Info items into two groups in the IP batch processing utility to make it more flexible

•  Added 1cm margins to pdf file output when the Plot Limits size is selected

•  Changed PDF output to use Plot Limits as page size in the IP batch processing utility

•  Fixed bug in 3D gridding of drillhole data

•  Changed 3D model editting to recognize -99999 as null data value

•  Fixed bug in clipping of image files

•  Fixed bug in displaying contours in 3DModeller

•  Changed colour mapping to improve anaglyptic stereo display mode

•  Added an option to define vector 3d display for point data sources

•  Implemented display of res3dinv IP files in 3DModeller

•  Implemented display of slave cursors in multi-panel displays

•  Added vertical gradient and Theta-map output to multi-level continuation transform

•  Modified XYZ digitising in multi-panel displays to allow data to be digitised from any images displayed

•  Changed display of plate/dyke interpretation items in 3DViewer to make the top of the body flat and interpret thickness as true thickness

•  Created separate model topography item in the 3DModeller

•  Improved handling of model topography item in the 3DModeller

•  Improved handling of dxf files with large numbers of blocks

•  Modified RGB image display to add an intensity channel

•  Improved handling of model topography item in the 3DModeller

•  Added Oblique section display option for 3D models

•  Implemented support for Loke res3dinv model files in the 3DModeller

•  Implemented conversion process for Loke res2dinv IP inversion files

•  Improved handling of topography for 3D model files

•  Implemented smoothing option and specifying cell size for display sections for 3D models

•  Added an option to export section images in xyz format

•  Added an option to export just the current 3D model section image

•  Added an option to select which sections are to be exported for 3D model section images

•  Added support for side-scan SEGY data files

•  Added an option to export non-UBC 3D models to UBC format

•  Added support for acQuire drillhole data

•  Added support for ENVI colour palette files

•  Added ability to specify the suffix to use for Easting and Northing axis labels

•  Modified the FFT transform to remove a planar base level from a grid before it is transformed to minimise edge effects and added an option to restore the base level to the transformed grid

•  Added an option to specify the output grid file format when transforming grid files

•  Removed all dependencies on mscomctl.ocx from the program

•  Rebuilt all underlying dll and ocx files

•  Changed link to Oasis/Montaj to use the External API instead of Oasis (this requires installing the external API)

21st May, 2004 WinDisp 4.55, 3DViewer 2.23

•  Fixed bug in displaying single segment 3D drillholes

•  Fixed bug in specifying general coord/index facet model file format

•  Added option to specify whether EM time delays are measured from the top or bottom of the turn-off ramp

•  Calculation of elevation from topo has been improved for 3D observed data

•  Added option to output airbeo inversion files for EM profile data

•  Fixed bug in generating nearest-neighbour grids

•  Fixed bug in handling TSurf files with region indicator information

•  Added strike limited thick sheet mag model option to profile modeller

•  Improved inversion processing in profile modeller

•  Changed susceptibility units from CGS to SI in profile modeller

•  Added strike limited thick sheet gravity model option to profile modeller

•  Fixed bug in calculating demagnetisation in the profile modeller

•  Fixed bug in reading Access drillhole database files with unsorted records

•  Improved speed of reading Access drillhole database files

•  Fixed bug in displaying multi-panel displays with vertical exaggerations less than 1

•  Added option to separately define label size, graticule size and tick sizes for the x and y axes

•  Fixed bug in correct handling of repeated TEM readings with differeing nulls

•  Fixed bug in PDF output of 8 bit images

•  Fixed bug in PDF output of TEM channel information

•  Modified the reference point for prism and line type interpretation features to be the centre of the feature

•  Added an option to specify eccentricity, start and end angle for synform and antiform interpretation features

•  Added an option to specify the start and end coordinates of Line interpretation features

•  Added better control over lighting and item colours in the 3DViewer

•  Added an option to specify a plunge for strike limited bodies in the profile modeller

•  Fixed bug in creating DOI masked UBCIP2D inversion displays

•  Added an option to use the elevation column in AMIRA TEM files in the generation of the apparent resistivity grids

•  Added support for displaying registered raster images as a normal image file

•  Added support for displaying registered raster images using colour drape mode

•  Colour triangle is now exported when creating Mapinfo/ArcView exports of RGB images

•  Implemented banded colour for the legend colour bar display

•  Improved calculation of composite histogram for multiple section grids in 3DModeller

•  Added option to specify the colour style and colour legend for multiple section grids in 3DModeller

•  Added option to specify the number of cells per dipole when generated 2D IP inversions

•  Improved handling of TSurf files with multiple faces

•  Fixed bug in displaying TSurf files with ATOM items

•  Added option to specify distance and Transmitter current units for Geosoft IP data files

•  Changed opening dialog so that starting a new layout prompts the user to select the working directory to use

•  Added smoothing parameter to VG grid transform to reduce ringing effects with high amplitude anomalies

•  Added batch IP pseudosection creation utility

•  Add BIF builder utility

6th February, 2004 WinDisp 4.54, 3DViewer 2.22

•  Added a grid transform which creates a 3D model constructed from successive upward continuations of the current grid

•  Added a grid output text box to the grid transform form so that the transformed grid can be automatically saved in Geosoft format without affecting the currently loaded grid file

•  Added a gradient magnitude transform menu item to the 3DModeller form

•  Added check boxes to the 3DModeller form to enable clipping of observed data points to the specified ranges

•  Added a Reset button to the 3D section grid form to reload the section grid limits from the grid file

•  Modified the downward continuation transform filter to reduce the amplification of high frequencies

•  Added an option to release any currently loaded grid files so that any applied grid transformations will be removed

•  Added an option to modify the isosurface Z coords using the current topo grid when exporting the model as a facet file

•  Fixed bug with dropped contours when using small increments

•  Fixed minor display bugs for Grid transform form and changed caption for FFT option

•  Changed behaviour of null fill operation when transforming grid using the FFT option

•  Added an option to output TEM profile data in Grendl inversion format

•  Fixed bug with maximum grid limit for image histogram when using grids which contain small data values

•  Fixed bug in handling import of UBC pole-dipole inversion files

•  Fixed bugs in creating em1dfm inversion data files

•  Em1dfm export modified to create a multipanel display of all inverted section

•  Em1dfm export modified to create a multipanel display of all inverted section

•  Em1dfm export modified to combine all inverted data into a single xyz file (you need to download the latest em1dfm utilities to get this functionality)

•  Fixed bug in displaying drillhole statistics for more than 12 variables

•  Added options to control the display of colour bars in each panel of a multi-panel display

•  Added an option to generate a rotated grid when computing the conductiviy depth transform for EM profile data

•  Added an option to create an IP3D observed data file using the currently loaded observed data points and topography in the 3DModeller

•  Added an option to start a mag3d or grav3d inversion after it has been created

•  Changed the method of selecting stereo display when opening the 3DViewer

14th November, 2003 WinDisp 4.53

•  Modified multi-panel display code to allow individual panel images to be exported in mapinfo format

•  Moved utility functionality into separate ocx controls to reduce program size and improve maintainability

•  Fixed bug in Convert Geographic Grid Transform when no projection has been defined in the current layout

•  Fixed bug in handling final drillhole assay interval when the depth of the hole is greater than the final assay depth

•  Fixed bug in making topo images transparent in the 3DViewer

•  Added an option to specify the dip for section grids in the 3DModeller

•  Added an option to export SEGY files with traces reversed

•  Added an option to 3DModeller to allow the display of portions of topo grid where the draped image is not defined

•  Modified process used to create topo for UBC 3d inversion to avoid bug in triangulation code

•  Added option to use an RGB value to define the marker colour for Data Posting

•  Added an RGB macro to calculate a long colour value from red, green and blue values between 0 and 1

•  Added a Rainbow macro to calculate a long rainbow colour value from a single argument between 0 and 1

•  Added an IsLess macro to compare two arguments

•  Added an IsBetween macro to check if a data value is between two specified values

•  Added an IsNull and IsNotNull macros to assist in selecting data for posting

•  Added tooltips to most items on the Posting form

•  Added N/A as the first item in the list of Posting data variables to simplify the process of deselecting any data field which has been selected for use on the Posting form

•  Modified drillhole display to avoid displaying horizontal thin disks for very short drillhole segments

•  Modified drillhole display so that the trace colour can be modified in the 3DViewer

•  Modified drillhole vector display so that fewer than 3 components can be specified

•  Added button to Display Options tab on 3DModeller to define and build a list of isosurfaces

•  Added button to Display Options tab on 3DModeller to close isosurfaces at the top using values above or below the current isosurface value

•  Modified topo grid and section display to use triangular elements

•  Fixed bug in the relative path component for refined UBC inversions

•  Added menu item to IP inversion creation form to specify that the Harvey process should be used

•  Modified circle posting to allow display of solid circles when no data variables have been selected

•  Added histogram and colour table options for display of 3D model sections

•  Added a utility to register raster image files

•  Modified the UBC 3D tile inversion creation process to use the specified initial file

•  Modified the UBC 3D tile inversion creation process to skip the forward model calculations if the obs file already exists

•  Modified the UBC 3D tile inversion creation process to restart the inversion if the tile inversion has been run before

10th September, 2003 WinDisp 4.52

•  Modified Surpac facet file code to handle general files

•  Added ability to resize 3DModeller form

•  Added stereo display option to the 3DViewer form

•  Added support for anaglyptic stereo display to the 3DViewer form

•  Fixed bug in Grid Transform operation when the limits of the two grids are different

•  Fixed bug in Grid Transform Fill Hole operation

•  Added Replace Null option to Grid Operation Grid Transform

•  Added option to specify the number of digits for the axis labels

•  Modified Axis Labelling code so that y-axis labelling frequency applies to IP N levels

•  Added option to specify a separation distance between panels in multi-panel plots

•  Added option to specify a model value above or below the currently loaded topo surface

•  Added support for reading and writing Surfer V6 and V7 grid files

•  Fixed bug in deriving geographic limits from specified easting/northing limits

•  Improved display of geographic border labels when curvature is large

•  Fixed bug in writing 3D interpretation features

•  Fixed bug in handling null IP values for IP inversion output using a data multiplier

•  Fixed bug in calculating log spectral slope grid transform

•  Added colour triangle for RGB image displays

•  Changed IP data file reading to utilise dynamic arrays to handle large amounts of IP data

•  Changed IP inversion output process to allow the directory and file name to be specified

•  Double clicking on an option on the opening form now executes the option

•  Fixed bug in in IP wizard which caused Vp to be displayed rather than resistivity when there was no resistivity column

•  Fixed bug which caused the drillhole exclusion list to be ignored

•  Added an option to the drillhole defintion form to only display non-excluded collar locations on the Miscellaneous tab

•  Changed the drillhole reading process so that drillholes without any assay data will still be displayed

•  Changed the drillhole reading process so that the drillhole assay file can be omitted for From/To data

•  Added option to define drillhole groups in the 3DModeller based on the assay values

•  Added option to export drillhole data to Access format

5th August,2003 WinDisp 4.51

•  Improved display of facet files in 3D section view

•  Improved code for filling of facet files in 3D section view

•  Added options to specify file and record padding bytes for reading SEG-Y files

•  Modified UBC and Zonge 2DIP inversion output so that repeat data is not exported

•  Modified UBCtoDAT import program to generate log res grids

•  Modified Zonge ipm/ipd import to generate log res grids

•  Modified Zonge ipm/ipd import to create true along profile grids in addition to station number grids

•  Fixed bug in misidentification of profile variables when some components are not being exported for em1dfm inversions

•  The profile distance is now used for displaying em1dfm inversion results if the baseline is not aligned with one of the coordinate axes

•  Fixed bug in handling null depth values when reading drillhole data from a database

•  Modified facet model batch conversion utility to improve the accuracy when calculating inverse two-point coordinate transforms

•  Fixed bug in the Geographic image transform

•  Modified 3DViewer code to allow the world origin to be modified

•  Modified profile modeller form so that Remanent declination is visible

•  Added a button on the 3DModeller form to allow the contour list file to be defined and edited

•  Modified the 3DModeller code to allow contours to be displayed without specifying a contour list file

•  Improved the validation code so that it no longer searches the network or internet

•  Added options to control clipping of drillhole traces to the 3DModeller code

•  The 3DViewer displays the last picked surface coordinate

•  The 3DViewer uses the last picked coordinate for inserting an interpretation item

•  Fixed bug in writing out potential data for UBC IP inversion files

•  Modified mag3d/grav3d output to use relative file paths for tiling

•  Modified mag3d/grav3d output to create a batch file to just run the tile insert process

•  Fixed display of line and polygon digitising so that the lines are visible while digitising

•  Added an option to remove the last digitised point by pressing the Delete key

•  Improved digitising for multi-panel and pseudosection display so that digitising is locked to the panel in which the first point is digitised

•  Added a Print To File option to the main Print form

•  The IP inversion interface now saves changed inversion parameters into the current csf file when an IP inversion is restarted or continued

•  Added a mask option to the Grid Operation grid transform to allow masking of one grid using the values of another grid

•  Added an option to the 3DModeller form to mask the current model using a sensitivity model file

•  Fixed bug in displaying the grid value at the mouse location for multi-panel displays

•  Added an option to the Create IP Inversion interface to apply a cut-off threshold to the data used in the inversion

•  Added an option to the Create IP Inversion interface to limit the maximum n level used in the inversion

•  Added an option to the Create IP Inversion interface to select left or right diagonal data only for including in the inversion

•  Fixed bug in DXF display so that CIRCLE entities in blocks are now displayed correctly

•  Added an option to the DXF display to control the marker index and size for POINT entities

•  Added support for reading Micromine drillhole data files

•  Improved speed of reading large drillhole data files

•  Fixed bug in using the default contour label colour

•  Changed the UBC IP inversion form so that changes to any inversion parameters need to be saved before an inversion can be started

•  Improved the calculation of the Vertical integral grid transform

23rd April,2003 WinDisp 4.50

•  Added button to multipanel form to allow contour defintions to be defined

•  Added button to multipanel form to allow panel size to be set from the contour file

•  Added a menu option to the contour form to load the levels from the contour file

•  Starting the 3DViewer now automatically loads the mesh file if one is defined

•  Starting the 3DViewer now automatically builds a mesh if any 3d data has been loaded and no mesh is defined

•  Added buttons to the 3DModeller form to view the mesh and model files

•  Fixed bug in handling changes to the number of field names when a drillhole file is changed

•  Added a warning that drillholes with a single point will not be displayed

•  Modified the drillhole field name code to ignore leading \ / and # characters

•  Fixed bug in creating IP inversions with large number of data points

•  Added support for writing Gemcom bt2 format facet files

•  Fixed bug in getting field names from text data files

•  Added an option to convert res3dinv model files (with no topography) to UBC format

•  Updated zngtogrd utility to generate model grid files using true station locations as the grid x coordinate

25th March,2003 WinDisp 4.49

•  Fixed overflow bug when setting area limits from a posting file

•  Improved start-up speed when dongle drivers are loaded but no key is present

•  Added biquadratic spline gridding option to the posting form

•  Fixed bug in setting longitude origin for AMG and UTM projections

•  Fixed bug in unloading changes to the layout projection

•  The posting projection is now copied to the layout projection if it has not already been defined

•  Added biquadratic spline gridding option to 3d gridding

18th March,2003 WinDisp 4.48

•  Added an option to digitise multiple z values to an xyz file

•  Improved handling of digitising to allow zooms and pans while digitising

•  Fixed bug which caused mouse coordinates to be incorrect after main form was minimised

•  Improved handling of zooming, panning and form repaint events

•  Increased width of field name drop-down lists on the drillhole file form

•  Fixed bug in evaluating grid value macro

•  Fixed bug in grid merge function where some grids became inverted

•  Changed all 3D item display check boxes so that they are turned on by default

•  Fixed bug in creating Zonge ipm files when using topo data

5th March,2003 WinDisp 4.47, 3DViewer 2.16

•  Modified 3DViewer form to retain current appearance when the display list is modified

•  Added a menu item on the 3DModeller form to create a new 3d object if the 3DViewer is currently running

•  Modified the 3d binary model append code to fix bug which deleted coordinate and scale information

•  Modified the 3d create new object code to allow a new parent node to be specified at the same time as the new node name

•  Changing the vertical scale in the 3DViewer now also changes any component vertical translations

•  Fixed bug in 3d gridding of section grids which caused the resulting model to be upside down

•  Changing the multi-panel column number on the multi-panel definition form now updates the value displayed

•  Fixed bug in clearing posting definitions in a multi-panel definition

•  Fixed bug in displayed coordinates for a multi-panel plot

•  Modified Facet display in the 3DModeller to allow multiple files to be specified

•  Implemented a utility to perform format conversion and coordinate transformations for multiple facet files

•  Added a popup menu for the Facet model display to assign colours to multiple facet files

•  Improved speed of loading surfaces into the 3DViewer

14th February,2003 WinDisp 4.46

•  Fixed bug with scaling posted data when read from the data source

•  Added an option to specify a maximum sensor elevation when exporting em1dfm data

•  Updated em1dfm utility to automatically generate required grid files em1dfm Inversion Utilities

•  Added an option to specify a vertical exaggeration when displaying images in multi-panel displays

•  UBCError utility has been updated to generate grid files for the predicted model results MAG Inversion Utilities

3rd February,2003 WinDisp 4.45

•  Fixed bug with deleting variables in IP posting wizard

•  Fixed bugs in defining profile data files in multi-panel displays

•  Fixed bug with defining data names when form is displayed after selecting the posting data file

•  Added an option to export Value posted data to separate directories for each line

•  Added an option to export em1dfm data for Value posted data (download the em1dfm Inversion Utilities to use this option)

10th January,2003 WinDisp 4.44

•  Modified 3D drillhole code to correctly handle null data in Excel files

•  Modified 3D drillhole code to ignore leading and trailing blanks in drillhole name fields

•  Modified code for reading 3d observed data points to clear currently loaded data if any format defintions are changed

•  Changed default drillhole trace colour to be light grey

•  Fixed bug in handling changing the assay table name for ODBC 3D drillhole data

•  Added an option to specify and use column names for 3D observed data files

•  Fixed bug in selecting profile file name on multi-panel definiton form

21st November,2002 WinDisp 4.43

•  Fixed bugs in defining posted data on multi-panel display form

•  Fixed bugs in reading some version 4.41 csf files

•  Added an option to use a grid file to define inversion reading elevation/topo offset

•  Fixed VRML export option in 3D Viewer

•  Fixed bug in creating error layout for Zonge ipd files

5th November,2002 WinDisp 4.42

•  Changed the method for initialising the start coords for 3D section grid display

•  Made opening csf file name fields wider to display long field names

•  Fixed bug in posting data from database sources

•  Fixed bugs in posting file defintion form

•  Fixed bugs in using macros with posted data from database sources

•  Display list on 3D viewer now starts in collapsed form

•  Made name fields wider on posting coordinate form

•  Fixed bug in restoring Posting form when cancelling editing of the current contour list

•  Modified ERMapper output grid header

•  Modified raster display to support JPG, GIF and TIF files

28th October,2002 WinDisp 4.41, 3DViewer 2.15

•  Added an option to specify the marker index and size for displaying point data from shape files

•  Fixed bug in specifying the registration points when exporting raster file images

•  Fixed bug in getting surface coordinate in 3DViewer

•  Improved handling of model rotation when zoomed in on 3D model

•  Added support for MapInfo tab and mid/mif files

•  Added an option to specify the marker for displaying point data from shape files

•  Improved handling of 3D digitising in the 3D viewer

•  Improved handling of toolbar buttons in the 3D viewer

•  Drag-drop has been re-enabled in the 3DViewer display list

•  Fixed bugs in calculating volumes in the 3D Modeller

•  Added an option to apply a datum shift to posted data locations

•  Added an option to use Access, ODBC or Geosoft databases as source for drillhole data

•  Added a plan and drillhole view to the drillhole loading form

•  Added the ability to specify the line containing field names for drillhole data files

•  Added the ability to specify the field delimiter for drillhole data files

•  Added a toolbar button to start an Oasis session

•  Added an option to use Access, ODBC or Geosoft databases as source for posted data

•  Improved code for defining text data file format

•  Changed the default null data value to -100 for gravity inversion models

•  Added an option to mask 3d models at limits of topo grid

1st October,2002 WinDisp 4.40

•  Added an option to model mag and/or gravity profiles in the profile modeller

•  Added an option to interpolate profiles when using the profile modeller

•  Added density, rock type and description fields for bodies in the profile modeller

•  Added a depth extent slider for modifying bodies in the profile modeller

•  Added a menu item to sort the list of bodies in the profile modeller

•  Added support for Albers Equal Area Conic projection

•  Added support for Equidistant Conic projection

•  Added support for performing Datum shift when converting geographic grids

•  Modified 3d gridding of sections to support general grid file formats

•  Fixed bug in 3d gridding output model file name

•  Fixed bug in using default colour for 3d DXF files

•  Fixed subscript bug in applying topographic masking to refined UBC 3D inversions

•  Fixed bug in calculating 3D model histogram on 3DModeller form

•  Fixed bug in handling zero length intervals in drillhole surveys

•  Fixed bug in handling drillholes with no survey information

•  Added a trace width scale factor to the Lithology lookup table

•  Added drillhole label rotation and plunge parameters for drillhole labels

•  Added an option to save the clipped BMP file generated when loading TIFF images in the 3DModeller

•  Modified the handling of Baseline section grid display to correctly handle baseline file with or without elevation columns

11th September,2002 WinDisp 4.39

•  Added an option to invert the depth coordinate when reading facet model files

•  Added an option to read only portions of 3d inversion definition files

•  Added an option to use simple inversion for each tile in a refined inversion setup

•  Modified Zonge IPM file output to extrapolate GridE and GridN at the start and end of the profile

•  Modified reading of mapinfow.prj file to handle unix formatted files

•  Updated description of Euler transform parameters

•  Fixed bug in defining first event in the Create Movie definition form

23rd August,2002 WinDisp 4.38, 3DViewer 2.14

•  Added support for Surpac str/dtm 3D model files

•  Fixed bug in handling long contour lines

•  Fixed bug in display of Grid Transform form

•  Enabled the View 3D model form even if no model has been loaded

•  Modified 3D Viewer form so that clipping planes respond to use changes in the displayed clip limits

•  Added an option to display a scrolling slice of a 3d model using the Tie Clipping planes check box

•  Implemented a Create Movie menu item on the 3DViewer form to define, save and load movie definition files

•  Modified the Save Grid code on the View 3D model form to automatically generate a grid file name

•  Added a Line field to the Point Data defintions on the 3DModeller form to allow display of arbitrary line data

•  Zonge IPM file output now uses GridE and GridN from stn file

•  Improved handling of drillhole sampling on 3DModeller form

•  Added option to display a caption for the colour bar

15th August,2002 WinDisp 4.37

• Added a wizard for setting up CSAMT pseudosection displays from Zonge avg files

• Changed resistivity contouring in IP and pseudosection wizard to use logarithmic steps

• Added option to mask grid using a specified value rather than null

•  Added support for Geographic ERMapper grid files

•  Added option to specify line thickness for each layer in a DXF files

•  Added option to specify line thickness when displaying shape files

30th May,2002 WinDisp 4.36

• Fixed bug which causes panels to be lost when saving a csf file if previous panels have been turned off

• Fixed bug which causes channel defintions to be lost when a channel is turned off

• The temporary CDI files are now deleted after the CDI is calculated

• The depth monotonicity test for the CDI calculation has been improved

30th May,2002 WinDisp 4.35

• Fixed bug in Zonge IP files created by the IP inversion interface

• Removed the limit of the number of bodies handled by the profile modeller

• Profile modeller also exports a csv property file when the profile model is saved

• A current.bin file is saved from the 3DViewer whenever a new item is added

• Fixed bug in handling full coordinate dxf files in the 3DModeller

• Fixed bug in defining contour and dxf line colours in 3DViewer

• Added options to use default line folour for contour and dxf files in the 3DModeller

25th April,2002 WinDisp 4.34 and 3DViewer 2.13

• Fixed bug in handling long character stratigraphy fields

• Implemented profile mag modelling utility

• temporarily disabled drag-drop in 3DViewer display list as it interferes with toggling display item visibility

10th April,2002 WinDisp 4.33

• Modified 3d mesh reader to handle UNIX format files

• Export of posted data now exports null data values

• Added option to use stratigraphic information to moderate 3D gridding process

• Added pop-up menu on 3DModeller section image display to calculate volume and grade

• Fixed bug in code for reading GOCAD TSurf objects

27th March,2002 WinDisp 4.32 and 3DViewer 2.12

• Re-enabled selection of topo images on 3DModeller form when mesh has not been loaded

• Added Viewer distance when specifying viewer location using inclination and azimuth

• Added option to grid data using triangulation

• Added Grid Transform option to fill holes in a grid file and extend edges

• Added Grid Transform option to project geographic grid files

• Fixed bug in extrapolation code when performing FFT transforms

15th March,2002 WinDisp 4.31 and 3DViewer 2.11

• Added option to use impulse excitation for calculating apparent conductivity for EM profiles

• Modified topo calculation for creating inversion files so that it is consistent with UBC programs

• Modified 3D gridding code so that it no longer requires that a model file be loaded

• Fixed bug in handling multiple error columns when creating IP inversion files

• Modified 3DModeller form to allow the 3DViewer to be loaded without requiring that a mesh be loaded

• 3DModeller now warns that the topo or drape image is not within the mesh limits

• Modified 3DModeller so that topo cell size is taken from the raster image if there is one

• The maximum topo image cell count is now displayed on the 3DModeller form

• The topo display code has been modified to maintain the original image pixel aspect ratio

• The 3DViewer code has been modified to allow 3d graphic item move to overwrite an existing item

• The 3DViewer code has been modified to allow items to be moved by dragging

• Grid transformation code has been modified to improve the extrapolation process for filling null data values

13th March,2002 WinDisp 4.30 

• Improved code for defining line exclusion list for value posting

• Added option to turn off depth monotonicity test for calculating apparent conductivity for EM profiles

• Added output of apparent resistivity grid when calculating apparent conductivity for EM profiles

• Fixed bug in time delay value in data file generated in apparent conductivity calculation

• Fixed bug in determining late time value when generating apparent conductivity

7th March,2002 WinDisp 4.29 and 3DViewer 2.10 released 

• Added option to separately grid individual data lines for value posting

• Added graphical interface for defining viewing direction and rotation in the 3DViewer

• Fixed bug in 3DModeller when loading topo images before a mesh has been loaded

• Fixed bug in 3DModeller when loading observed data point with no specified elevation when the model contains negative values

• Fixed bug in generating surface coordinates in 3DViewer

4th March,2002 WinDisp 4.28 and 3DViewer 2.09 released 

• Fixed bug with reloading 3DModeller form

• Added graphical interface for defining rotation vectors in the 3DViewer

• Fixed bug when gridding uniformly spaced data which is slightly offset from the cell centre

• Fixed bug in displaying Shape files with deleted items

• Fixed bug in displaying Shape files with more than 32 fields

• Modified vertical search radius in 3D gridding to reduce lower limit to half the vertical cell size

20th February,2002 WinDisp 4.27 and 3DViewer 2.08 released 

• Fixed bug in gridding when nx>>ny

• Fixed bug with loading 3d binary models while in inverse video mode

• Fixed bug with writing and reading 3D interpretation csv files

• Increased the number of assay fields supported by the 3d modeller to 32

• Fixed bug in generating lookup table for character drillhole fields

• Fixed bug in loading lookup file when the file has been deleted or moved

• Added missing file to 3DViewer install set

12th February,2002 3DViewer 2.07 released 

• Fixed bugs in loading models when inverse video mode is turned off

• Removed dependency on comdlg32.ocx for selecting colours

6th February,2002 WinDisp 4.26 

• Fixed bugs in Topo Drape 3D model view mode

• Fixed intermittent bug in gridding module

• Revised 3d point gridding to use either colour or value field

• Fixed Overflow bug in gridding dll

25th January,2002 WinDisp 4.25 and 3DViewer 2.06 released 

• Modified 3D model loading code to correctly recognise 3DIP null data values

• Added con and chg file type for UBC model files

• Added PDF print output option

• Added popup menu item to 3DViewer to export to Facet format file

18th January,2002 WinDisp 4.24 released 

• Removed Units line from TAB file when exporting using Lat/Lon projections

• Modified Cylinder interpretation item to allow for ellipsoidal cross-section

• Added DXF file type to supported facet file types

• Added XYZ export option for facet models

• Added separate menu items for loading isosurface, section slices and blocks on 3DViewer form

• Modified access key code to handle permission problems for Win2K

• Fixed bug in generating long contour lines

• Increased permissable grid size to 20,000 cells/line

8th January,2002 WinDisp 4.23 released 

• Fixed bug in tracking file locations for multi-panel IP inversion displays

• Added support for import and export of 3D DXF files

• Improved display for Gemcom facet files

• Added support for import and export of GOCAD TSurf files

• Added option to apply coordinate transform to Shape Files

• Added option to export transformed Shape File

• Implemented support for Z coordinates in Shape Files

• Added option to define 3D mesh using a specified DXF or Shape File

8th January,2002 3DViewer 2.05 released 

• Added TSurf and DXF export options for interpretation features

• fixed some minor bugs

20th December,2001 3DViewer 2.04 released 

• Implemented digitising and display of interpretation features in 3DModeller

• Implemented many minor bug fixes and performance improvements

20th December,2001 WinDisp 4.22 released 

• Implemented support for grav3d Version 3 in UBC inversion creation utility

• Implemented digitising and display of interpretation features in 3DModeller

3rd December,2001 WinDisp 4.21 released 

• Fixed problem with tiling of gravity inversions

• Increased grid file limits to 10240 cells per line

• Reduced lower limit on 3D section grid size to 16 cells

• Added an animation delay setting to the defaults form

• Fixed 'Permission Denied' bug in merging grid files

• Fixed 'Zero Divide' bug in ratioing grid files

• Added minimum and maximum transformed limits option to Grid Operation Transform

22nd November,2001 WinDisp 4.20 released 

• Added option to read PSM tomography files in 3D Modeller

• Modified IP depth labelling code when there are multiple dipole spacings

• Modified 3D section display code to use cutoff values when histogram file is specified

• Modified 3D section display code to correctly recognise null colour values

• Fixed bug in decoding dxf layer name

• Implemented full AutoCAD ACI colour list

• Added option to null muted data in SEG-Y grid export

• Added facility to specify 3D section grid baseline in 3DModeller

8th November,2001 WinDisp 4.19 released 

• Added editing options for SEG-Y data files

• Added save edited file option for SEG-Y data files

• Added reel and trace header editing options for SEG-Y data files

• Added SLOG10, TANH and ASINH data macro functions

• Added LOG10, SLOG10, TANH and ASINH grid operation functions

6th November,2001 WinDisp 4.18 released 

• Fixed bug which results in IP data not being posted in multi-panel displays

• Added an option to allow non-numeric fields for Line numbers for posted data and profiles

• Updated drillhole profile display to allow specification of section start, azimuth and width to display

2nd November,2001 WinDisp 4.17 released 

• Removed bug which causes program to expire after 1/11/2001

29/10/2001 WinDisp Help Added 

The WinDisp help files have been uploaded to the web site under the Online Help button on the main page. The help files are being progressively updated to reflect the many changes to the program since the files were originally created. 

29/10/2001 WinDisp 4.16 released 

• Added option to specify the pen colour when displaying shape files

• Added the Panel Title and Column to the Panel Definitions form for multi-panel displays

• The selected file name is assigned to the title for the current panel in a multi-panel display if it is currently blank

• Changed UBC mag3d mesh generation code to not add padding cells when using non-uniform z mesh cells

• Exporting display as JPEG now writes a world file

• Drillhole reading code modified to handle UNIX files

• Fixed bug with reading IP posting defintions for multi-panel plots saved on a different PC

• Removed amplitude limits on calulating Z score and % difference IP values when importing Zonge IPD files

• Fixed bug in writing IP Z score value to converted Zonge IP files

• Fixed bug with non-square pixels for BMP image display

• Added support for JPEG and GIF files for multi-panel and Overlay raster file display

• Added Bug Reporting email to Help Menu

10/10/2001 WinDisp 4.15 released 

• Added utility to convert GEM mag dump files

• Fixed bug in PostScript output for rotated text

• Changed UBC model output to give option to save the mesh at the same time as the model

• Fixed bug in saving clipped binary UBC models

• Fixed language dependency bug in access codes

• Updated all VB5 dependant controls to VB6 versions

• Improved speed of Isosurface calculation

• Added option to close the Isosurface at the top of the model

• 3D section display now clips grids to the specified limits

4/10/2001 WinDisp 4.14 upgrade released 

• Changed handling of access codes to permit use on multi-user PC's

• Changed the IP wizard to set minimum depth to half the dipole spacing

• Changed the IP wizard to not use histogram for the inverted chargeability image display

2/10/2001 WinDisp 4.13 upgrade released 

• Changed calculation of up vector for profile posting

• Changed SEG-Y depth calculation to use two-way time

• Fixed bug with exporting transformed UBC model files

• Fixed bug in multi-panel plots so that the Shape file display check is remembered

• Code for performing Grid Operations has been improved

• Fixed bug in determining total grid data range for blended grids

• Fixed bug in contouring grid files

• Fixed bug in upgrading old licence codes to new format

• Fixed bug in generating grid profiles when displaying subsections of grids

• 3D gridding parameters are loaded from the file 3dgridding.par before the user is prompted

21/9/2001 3DViewer Version 2.03 released 

• AVI export enabled

• Miscellaneous bugs fixed

21/9/2001 WinDisp 4.12 upgrade released 

• Increased maximum number of posted data variables to 128

• Improved Data Variable definition grid with pop-up menu and more functionality

• Fixed bug with generating Bottom drillhole label in 3DModeller

• Increased maximum number of posted data variables to 128

• Added EBCDIC display option to File Viewer utility

• Implemented SEG-Y seismic section viewer and grid export utility

• Revised Section defintion code for 3DModeller and extended display functionality

• Added option to display raster image as a flat image in 3DModeller

• Fixed bug with displaying posted profiles in multi-panel displays

• Fixed Array Bounds Exceeded bug in minimum curvature gridding dll

• Increased number of iterations per tile for minimum curvature gridding

• Added check to delete superfluous copies of dll files

• Implemented new install process to reduce program installation problems

• Fixed bug in rewriting UBC IP inversion data files from the Inversion interface

• Modified UBC IP inversion file creation process

• Fixed bug in mag3d inversion interface where data files were mis-identified as grid files

• Fixed bug in LOG10 data macro

• Added option to colour Facet file using the currently loaded model

3/9/2001 WinDisp 4.11 upgrade released 

• Improved drillhole survey interpolation code

• Added option to turn off drillhole survey interpolation

• Added option to calculate apparent conductivity grid from TEM profile

• Added AVI capture option to 3DViewer window

• Added start/stop animation button to 3DViewer window

• Added option to read total drillhole depth from the collar file

• Revised 3D point display to control size and colour of point

• Removed separate Target data file definitions from 3D modeller

• Fixed bug in masking grid when gridding very small data sets

• Fixed bug in gridding when generating very wide grids

• Increased the number of iterations per tile in minimum curvature gridding

• Fixed bug in non-display of IP electrode locations for multi-column displays

• Fixed bug which sometimes resulted in incorrect bottom drillhole label

• Revised licensing codes to improve flexibility and usability

29/7/2001 WinDisp 4.10 upgrade released 

• Setup program changed to avoid Win2000 install problems

• Modified Zonge IP inversion to handle Geosoft plotting convention correctly

• Fixed bug in calculating IP Z score for Zonge and UPC IP import

• The main display form reloads at the same size as the last WinDisp session

• The default value for posted data line order has been changed to random

• Log10 data macro has been added

• Option has been added to plot electrode locations for IP data

• Fixed bug in handling multiple node ArcView shape files

• Fixed bug in creating UBC IP data files

• Added option to label IP electrode locations

• UBCtoDat and ZngtoDat IP inversion utilites programs updated with -G flag to specify the use of Geosoft plotpoint convention

19/7/2001 WinDisp 4.08 upgrade released 

• Modified UBC IP inversion import facility to handle negative potentials correctly

• Extended 3D section display to use coordinate scaling

• Modified grid handling routines to recognise compressed Geosoft grid files

• Added option to start Oasis session to convert compressed Geosoft grid files

• UBCNullVol utility program updated

6/7/2001 WinDisp 4.08 upgrade released 

• Grid profile tool has been completely rewritten

• Added option to invert greyscale for colour-drape image displays

• Minor bugs fixed in the creation of IP and MAG inversion

25/5/2001 WinDisp 4.07 upgrade released 

• Added option to load and display a facet model in the model view display on the 3D modeller form

• Added option to fill facet model using last point value edit location as seed

17/5/2001 WinDisp 4.06 upgrade released 

• Added support for multi-band ermapper grid files

• Added an option to specify an intensity band for multi-band raster files

• Added support for exporting selected area and bands for ERMapper multi-band raster files

• Fixed array bound error in FFT grid transform dll

• Added standard two-point transform definition interface for defining Grid Rotation Transform

14/5/2001 WinDisp 4.05 upgrade released 

• Modified 3D drillhole display to include all hole surveys between assay locations

10/5/2001 GravBase download added 

9/5/2001 WinDisp 4.04 upgrade released 

• Improved image display to handle grid files up to 10,000 cells wide/high

• Added support for display and export of multi-band ERMapper raster files

• Added an option to use a band to define image intensity for multi-band ERMapper raster files

9/5/2001 Revised IP Utilities and UBC Utilities released 

• iptogrd allows a command line parameter of the form -Pnl,nr,nb to allow the user to define the number of padding cells to exclude on the left, right and bottom when generating grid files from UBC 2D IP models

• UBCdelreg modified to handle standard UBC data files in which the X and Y coordinates are not separated by spaces

9/5/2001 EMBase 3.09 upgrade released 

• Fixed bug in writing non-integer station numbers in AMIRA and Zonge export

24/4/2001 WinDisp 4.03 upgrade released 

• Fixed bugs with creation of Zonge IP inversion files

24/4/2001 3DViewer 2.1.3 upgrade released 

• Added option to automatically save viewpoint and bmp files for current display by pressing the F5 key (Shift-F5 saves entire window)

•  Added option to automatically save viewpoint and JPEG files for current display by pressing the F6 key (Shift-F6 saves entire window)

20/4/2001 WinDisp 4.02 upgrade released 

• Added option to build inversions from mag and/or topo grid files

• Added the option to specify that data units are in meters,feet or yards

• Added an option to smooth the currently loaded 3D model data

4/4/2001 WinDisp 4.01 upgrade released 

3/4/2001 Hints and Tips discussion page added 

30/3/2001 WinDisp version 4.00 released with following new features

• Support for display and inversion of multiple Tx and Rx dipole spacing IP data

• Data posting is now enabled within multi-panel displays

• JPEG export of the current display

30/3/2001 Download files added to web site

29/3/2001 Web site goes live!

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Last modified: March 28, 2006