EMIGMA Ground Complete

Data Imports

• Large Loop TEM Imports (e.g.SMARTem, Geonics, Zonge, UTEM, Crone)
• Small loop systems (terraTEM, TEM-FAST, Phoenix TEM and WTEM)
• FDEM Ground Imports (e.g.EM31/38, CMD Explorer, GSSI, MaxMin, Promis)
• AMIRA TDEM (SMARTem, Loupe, SIROTEM)
• Time Domain IP (Zonge, GDD, ELREC, Scintrex)
• Frequency Domain IP (Zonge, Generic)
• Resistivity Data (Generic, IRIS)
• Gravity Data (Scintrex, Micro-G, ASCII XYZ)
• Magnetic Data (e.g. GEM, Geometrics, Scintrex, SeaSPY)

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 [user controls]
• Simple and statistically weighted averaging decimation
• FFT/DFT tools for magnetic/gravity data applicable to both measured and simulated data
• Graphical data extraction, profile editing and modification
• Survey Editor tools for cleaning and extraction
• Magnetic base station corrections/li>
• Full suite of Gravity Corrections
• Latitude/Longtitude projections including polar projections
• Average duplicates, remove outliers, merge lines or surveys
• Regional trend removal
• Tie line corrections

3D Modeling

• Easy model building: large data sets, flexible profile generation and manipulation, multiple system geometries, large loop modeling, etc.
• Thin Sheet Plates, prism, polyhedra and spheric anomalies suitable of EM, Magnetic, Resistivity, Gravity, IP, CSEM, CSAMT 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 Sphere and ILN prisms - Volumetric Induction Modeling
• Model suite generation for rapid building and running 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, TDEM not limited to IN LOOP surveys
• 3D inversion for Magnetics and Gravity including topographic effects
• 3D inversion for Resistivity and CSEM/CSAMT
• 3D Thin Sheet Plate inversion for TDEM and FDEM
• Inversion grid editing and plane and cross section viewing
• 2D representation of geoelectric sections
• 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, as profiles, vectors, true 3D surfaces or contoured surface along with the 3D structure display
• 3D modeling tools: easy object manipulation and adjustment, single-click conversion of prisms to polyhedra, etc.
• 2D and 3D visualization of inversion results

Plotting

• Comprehensive XY Plotter for plotting data profiles, decays, spectrum, separations
• Multi-channel and multi-profile plotting
• 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

Click image to enlarge

Gridded DFT Upward Continue Data

• Rectangular grid cells to maintain spatial resolution along profiles
• Multi-parameter grids containing the complete set of survey frequencies, time windows, components, separations allowing comprehensive, rapid data examination
• Five gridding algorithms: Natural Neighbor, Delauney Triangulation, Shepard & True-to-Data, Minimum Curvature and Thin-Plate-Splines
• Graphic controls of grid geometry and grid cell dimensions

Grid Presentation and Analysis

• Multi-component grids - switching between channels and components without the necessity to manage multiple grids
• Rectangular grid cells
• Profile, data and contour overlays
• Equal Weight and Equal Range display
• Euler solution overlays
• Decay rate/Amplitude mapping and export
• Superposition with 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 simultaneously

3D Contouring and Mapping

• Data display as 3D surfaces
• Range of pseudo-depth and pseudo-section displays
• 3D volume interpolation of inversion results - section cutting