| Inversion |
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dinver |
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Graphical environment to solve inversion problem using Neighborhood Algorithm or Monte-Carlo sampling. Various plugins are proposed here for solving common problems. You can define your own based on the template provided here below. |
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dinverdc |
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Inversion of dispersion curves (Rayleigh, Love, Phase and Group velocities, higher modes), autocorrelation curves, ellipticity curves, ellipticity peak and refraction travel times. Joint inversion are also possible. |
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dinverext |
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Plugin to run the forward computation in an external command. |
| Plotting |
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figue |
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Figure edition. A graphical tool to merge various plots picked in all other geopsy softwares. Creating XY plot from command line is a breeze. It can also export to ps, pdf and bitmap image formats. |
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geopsyfigs |
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Plugin needed to export graphic signal from Geopsy to Figue. |
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gpcoord |
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Coordinate X,Y operations: distance, azimuth, conversion from/to lat/long, array limits,... |
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gpcurve |
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Curve processing: resample, cut, interpolate, derivate, integrate,... Exactly the same actions as inside Dinver (module dinvedc) but through a command line. It can also sample an analytical expression to generate functions. |
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gpdistance |
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Calculates distances and azimuth between named points (aka stations). Uses a lookup table for station coordinates. Such lookup is difficult to implement with awk, the reason for writing it in C++. |
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gphistogram |
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Constucts interactive 2D histograms from any data set (couples X, Y). |
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gpmaplayer |
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Build a geo-referenced background map from Google static API and save it as a .layer file. Useful for WARAN station positionning in urban environment. |
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gpsort |
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Sort curves stored in a text file (one after the other, various columns for X, Y,...). Usefull to re-order curves produced by gpspac and pipe them to figue in the correct order (play with option '-cpp'). |
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gptime |
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Converts time formats. |
| Signal Processing |
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campbelltob3 |
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A module to load Campbell TOB3 files, written for CR6 |
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geopsy |
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Graphical environment to view, organize and process signals. Most of the geophysical file formats are automatically recognized. Geopsy features can be extended through plugin tools. A selection is available here below. |
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geopsyarray |
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Plugin tool to extract dispersion/autocorrelation curves from arrays of stations. It includes processing for both passive and active recordings. Main contributions from M. Ohrnberger and A. Khoeler (University of Potsdam). |
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geopsydamping |
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Plugin tool to compute damping: based on random decrement for a single station measurement. Based on original Phd work of F. Dunant (LGIT, 2005, These_fdunand.pdf). |
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geopsyhv |
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Plugin tool to compute H/V spectral ratios from single station ambient vibrations. A sub-product from SESAME European project (2001-2004) with main contributions from J.-L. Chatelain (aka 'Gaillot'), B. Guillier and P.-Y. Bard (LGIT). |
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geopsynr |
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Plugin tool to increase (or to try to) the signal to noise ratio in active seismic. Basic and enhanced stacking technique. T0 adjustment (even to a fraction of sampling period). |
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geopsyptmotion |
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Plugin tool to plot particle motion from 3-component recordings (projection on all planes). |
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geopsyrefra |
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Plugin tool to pipe picked arrival times from Geopsy to Dinver. |
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geopsytfa |
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Plugin tool to compute a time-frequency analysis based on Morlet wavelet. Main contributions from M. Kristekova (University of Bratislava). |
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gpfksimulator |
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Educational tool for FK array response |
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gpsignal |
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Computation of custom cosine signals. Stacks of multiple frequencies and phases. Support for phase shifts between various station locations. |
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hvtfa |
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Plugin tool to extract Rayleigh ellipticity from single station measurements (still experimental). |
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max2curve |
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Post processing tool for dispersion curves obtained from geopsyarray plugin tool. Mainly statistical analysis. |
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spac2disp |
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Post processing tools for SPAC method. Check consistency between autocorr curves computed for various rings. Based on original work from Wathelet et al. (2005). Support for 1C and 3C analysis. |
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structureratios |
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Plugin tool to compute spectral ratios for artificial structures (buildings, bridges,...). Main contributions from J.-L. Chatelain (aka 'Gaillot') and B. Guillier. |
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vslarray |
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Virtual Seedlink Array: emulate a real-time WARAN acquisition from a Geopsy database. Requires the installation of Seiscomp>=2.6 with mscan plugin |
| Utilities |
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gpreplace |
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Text replacement using regular expression. Support more features than grep or sed, it can handle patterns over several lines. |
| Waran |
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waran |
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Real-time analysis of ambient vibration arrays for WARAN aquisition system |
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warangps |
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GPS Positioning for WARAN aquisition system. Replaces build_array for theoretical array response computation. |
| Wave tool |
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gpdc |
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Computation of theoretical dispersion curves. |
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gpdcmisfit |
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Recomputation of misfit. Did you generate a collection of models that you want to use as the starting population for slightly different dispersion curve? No problem, correct misfits and import it. |
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gpdcreport |
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Query tool for binary inversion report produced by dinverdc. With option '-pm' this tool is also usefull for all report types produced by dinver (e.g. dinvermatlab, dinverext or any custom inversion plugin). |
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gpdepths |
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Generates standard thicknesses (that follow a gemetrical progrssion) and corresponding 1D parameterizations. |
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gpec8 |
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Output EC8 soil category from a 1D wave model. Classification here is based only on Vs profiles. The official classification includes other parameters not covered by this tool. |
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gpell |
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Computation of theoretical ellipticity curves. |
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gpgridsearch |
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Generates models with a grid search. |
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gpgroup2phase |
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Convert group velocity dispersion curves to phase velocity. Hmm! The solution is not unique. Ok this tool scans for various possibilities. |
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gplivemodel |
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Interactive computation of theoretical dispsersion curves, ellipticity curves,... through a graphical interface which lets you playing with cursors to adjust model parameters. |
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gpmodel2param |
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Transforms a 1D wave model into a ground parameterization that you can import inside Dinver (dinverdc plugin). |
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gpmt |
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Computation of theoretical magneto-telluric curve. |
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gpparam2model |
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Generate 1D wave models given a parameter set and a parameterization definition. |
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gppoisson |
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A memo for Poisson's ratio formula. Quick transform from Vp, Vs to nu and vice-versa. |
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gpprofile |
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Transform a 1D wave model into a plotable curve. Can also compute a variety of useful profiles from 1D wave models: impedance, Poisson's ration, travel time average (Vs30 or VsZ). |
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gprandom |
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Computes random values with ran2 (uniform probability, support for lot of computations). |
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gprefra |
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Computation of theoretical refraction travel times (1D model or tilted model). |
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gpsh |
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Computation of theoretical SH transfer function for a 1D wave model (Fortran implementation from P.-Y. Bard, LGIT). |
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gpspac |
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Computation of theoretical autocorrelation curves. |
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gptarget |
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Manipulation of dinver targets through command line. This tool can add, delete, or extract curves to or from .target files. |
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gpviewdcreport |
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Ploting tool for report files produced by dinverdc plugin. Provides the same output as inside Dinver graphical interface for automatic bash scripts. |
