EMIGMA Ground Complete

Magnetics, FEM, TEM, Resistivity, Gravity

Up to 50,000 points

GUI Interface - Intuitive User Interfaces for Windows 2000/XP/Vista/7

Data Imports

• Large Loop TEM Imports (Geonics, Zonge, UTEM and Crone)
• Small loop systems (terraTEM, TEM-FAST, Phoenix TEM and WTEM)
• FEM Imports (Ground)
• AMIRA TEM (Geonics, Crone, SIROTEM)
• Time Domain IP (Zonge, ELREC6 format or as an ASCII text format)
• Frequency Domain IP (Zonge and ASCII text format)
• Resistivity Data (Generic ASCII text file) with Phase if available
• Gravity Data in XYZ or QCTool format
• Magnetic Data Gradient data, vector data in XYZ or QCTool format

Data Management

• Database backbone
• Large data set handling: three levels of data organization inside a database
• Merging, export, import of data sets and their customization for further use in EMIGMA modeling
• Data statistics

Data Processing and Correction

• 1D and 2D digital and spatial filters, with sizes specifiable by the user
• Simple and weighted averaging decimation
• FFT tools for magnetic data applicable to both measured and simulated data
• Graphical data extraction, profile editing and modification
• Data Corrector tool combining dynamic spreadsheets and line plotter for data cleaning, missing data interpolation and simultaneous plotting of different data channels for fast cross-analysis
• Magnetic base station correction
• Latitude/Longtitude projections including polar projections
• Average duplicates, remove outliers, merge lines or surveys
• Trend removal

3D Modeling

• Easy model building: large data sets, flexible profile generation and manipulation, multiple system geometries, large loop modeling, etc.
• Unlimited plate, prism and polyhedra anomalies suitable of EM, Magnetic, Resistivity, Gravity data
• Multiple target shapes: pipes (hollow cylinders with or without lids), ellipsoids, shells, bullets, landmines, drums, spheres, prisms, plates, general polyhedra...
• Multiple scattering modeling: Simple Superposition, Far- and Near-Field Interaction, Automated Mode (the type of interaction is selected for you)
• Synthetic Topography-Poly Generator for modeling complex geological anomalies and topography
• Modeling conductors with volume ILN prisms - Volumetric Induction Modeling
• Model suite generation for rapid building of layered earth and plate model suites with varying resistivity, thickness, strike, strike length, dip, dip extent, plunge and conductance
• 3D forward simulation in batch mode: multiple sources, any number of profiles, any number of data components
• Import of geological models from CAD applications
• Model building tool in 3D space

Data Inversion

• 1D inversion for EM and Resistivity data
• 3D inversion for Magnetics and Gravity including topographic effects
• Display of 3D model section cutting in the 3D Visualizer
• 2D representation of geoelectric sections - PEXShow tool
• Magnetization vector inversions

3D Euler Deconvolution

• Statistical and Rodin post-processing
• 2D and 3D visualization of solutions

2D and 3D Visualization

• Data visualization in 3D space, as profiles, vectors, true 3D surfaces or contoured surface along with the 3D structure display
• Ability to view up to three data channels
• 3D modeling tools: easy object manipulation and adjustment, single-click conversion of prisms to polyhedra, etc.
• 2D and 3D visualization of Euler solutions and magnetic inversion results

Plotting

• Comprehensive XY Plotter for plotting data, decays and positions
• Multi-channel and multi-profile plotting
• Flipping between resistivity and conductivity
• Switching between channels, profiles and models
• Plotting to scale
• Multiple plots per page
• Residual plotting
• Saving plotting defaults for rapid plotting of model suites
• FOM algorithm for data quality control

Gridding

• Five gridding algorithms: Natural Neighbor, Delauney Triangulation, Shepard & True-to-Data, Minimum Curvature and Thin-Plate-Splines
• Quick setting of your grid geometry and input data to be used for interpolation - ProfileViewer
• Residual grids

Grid Presentation and Analysis

• Multi-component grids - switching between channels and components without a necessity to grid anew each time
• Rectangular grid cells
• Profile, data and contour overlays
• Equal Weight and Equal Range display
• Single-click conversion to Apparent Resistivity and Conductivity
• Analytic Signal displays
• Euler solution overlays
• Decay rate/Amplitude mapping and export
• Superposition on raster maps and annotation
• Map generation with options for transparency and annotation
• Import and export of GeoTIFF format
• MultiGrid tool - viewing and comparing up to 4 grids at a time

Contouring

• OpenGL interpolation
• Multi-component contours - switching between components and channels
• Flipping between Apparent Resistivity and Conductivity
• Contour lines and their customization
• Data display as 3D surfaces
• Range of pseudo-depth and pseudo-section displays
• 3D volume interpolation of inversion results - section cutting