Showing 37 open source projects for "earth"

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  • 1
    S2 Geometry

    S2 Geometry

    Computational geometry and spatial indexing on the sphere

    s2geometry is Google’s open source geometry library designed for representing, analyzing, and manipulating geometric shapes on a sphere rather than a flat plane. This makes it particularly suited for applications involving geospatial data, such as mapping, spatial indexing, and geographic information systems (GIS). The library provides a robust mathematical framework for spherical geometry, allowing developers to work with polygons, points, and regions on the Earth’s surface using consistent...
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  • 2
    Madagascar
    Madagascar is a software package for geophysical data processing and reproducible numerical experiments. The package mission is to provide a convenient environment for researchers working with digital image and data processing in geophysics and related fields.
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    Downloads: 18 This Week
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  • 3

    NCO netCDF Operators

    Command-line operators for netCDF and HDF files

    The netCDF Operators, or NCO, are a suite of file operators which facilitate manipulation and analysis of self-describing data stored in the (freely available) netCDF and HDF formats. Volunteers welcome! See homepage for details and download links.
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    Downloads: 2 This Week
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  • 4
    open_data_assimilation
    Generic data-assimilation toolbox written in java, with native (c and fortran) libraries for high performance computing. Provides tools to couple to your own model and a wide range of algorithms, ranging from parameter calibration to Kalman filters.
    Downloads: 0 This Week
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  • 5

    Hyperspectral data analysis in R

    Handling and basic analysis of hyperspectral data in R

    The hsdar package contains classes and functions to manage, analyse and simulate hyperspectral data. These might be either spectrometer measurements or hyperspectral images through the interface of rgdal.
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  • 6

    sequoia-dap

    SEQUOIA ocean data assimilation platform (a SIROCCO suite tool)

    ***** THIS PROJECT HAS MOVED TO https://gitlab.in2p3.fr/sirocco/sdap/sdap-dev ***** ***** THIS PROJECT HAS MOVED TO https://gitlab.in2p3.fr/sirocco/sdap/sdap-dev ***** ***** THIS PROJECT HAS MOVED TO https://gitlab.in2p3.fr/sirocco/sdap/sdap-dev ***** Within the SIROCCO suite of numerical tools, the purpose of SDAP is to provide a flexible platform to carry out multivariate assimilation of geophysical data in a numerical model. The program is multi-grid (finite differences or finite...
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  • 7
    This project will be a project that will be used by Speleologist (cavers) to help aid in the mapping of the underground world. It will be simple at first.. only allowing the entry of survey (dist/azmith/V-angle) and give back a line plot..
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  • 8
    Geophysical Library is a C++-library to handle geophysical data. At the moment the focus is on magnetotelluric and seismic data. It also includes a genetic algorithm for data inversion, signal processing and statistics routines.
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  • 9
    laplace-curvilinear

    laplace-curvilinear

    SBP-SAT finite difference code for the Laplacian in complex geometries

    MATLAB code that generates all figures in [Almquist and Dunham, 2020, https://doi.org/10.1016/j.jcp.2020.109294 ]. The paper considers narrow-stencil summation-by-parts finite difference methods and derives new penalty terms for boundary and interface conditions. The new penalty terms are significantly less stiff than the previous state-of-the-art method on curvilinear grids. On highly skewed grids, there may be an order of magnitude or more difference in the time-step restriction.
    Downloads: 0 This Week
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  • 10
    FRUITS

    FRUITS

    Food Reconstruction Using Isotopic Transferred Signals

    Description IMPORTANT NOTICE: The current release of FRUITS (FRUITS 3.1) will be the last as a Windows installer. This version is the closest to the soon to be released R-based ReSources package as part of the IsoMemo initiative. FRUITS is a Bayesian mixing model for diet reconstruction using isotopic data.
    Downloads: 2 This Week
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  • 11

    TimescapeGlobal

    a space-time interpolation geostatistical tool

    ...Including time variability adds further issues to the already complicated field of geostatistical interpolation. On the other hand, most of the distributions of variables used in Earth and environmental sciences show patterns of change over time, not only in space. This tool is a free, open-source software, based on a generalization of the Inverse Distance Weighted algorithm. It outputs three-dimensional, layered discrete models from which time series and equal-time GIS Grid layers can be extracted.
    Downloads: 0 This Week
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  • 12
    **we moved to github** https://github.com/gimli-org/gimli Geophysical Inversion and Modeling Library
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  • 13
    EDM Calibration Baseline Fitting

    EDM Calibration Baseline Fitting

    EDMFit is an adjustment tool to estimate EDM calibration parameters.

    An EDM calibration baseline is used to derive specific instrument errors of the electronic distance measurement (EDM) unit of a total station. EDMFit is a simple adjustment tool to estimate the EDM calibration parameters (addition constant and/or scale parameter). The adjustment process is according to ISO 17123-4. The parameters are checked for significance, to avoid an overestimation. Based on two classical hypothesis testing, EDMFit provides a reliable outlier detection. For...
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  • 14
    This project provides a Fortran90 library and a python module for singular spectrum analyses such as PCA/EOF or MSSA. It is intended for people interested, for example, in analysing climate or financial variability.
    Downloads: 1 This Week
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  • 15
    surfit is an open source and free gridding and contouring software. surfit can do interpolation/approximation of points, contours and surfaces, can take fault lines and trend surfaces into account, can use inequalities and other conditions. Supports a lo
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    Downloads: 5 This Week
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  • 16
    GPDC

    GPDC

    Gravity Potential Derivatives Calculator

    GPDC is a C file to compute partial derivatives of a gravity potential up to any order by means of an automatic differentiation method.
    Downloads: 0 This Week
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  • 17
    Tidal Analysis Program in PYthon (TAPPY) uses the least squares optimization function from scipy to perform a harmonic analysis (calculate amplitude and phases of a set of sine waves) of a hourly time series of water level values.
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  • 18
    S-GeMS is a software for 3D geostatistical modeling. It implements many of the classical geostatistics algorithms, as well as new developments made at Stanford University. See http://sgems.sourceforge.net
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    Downloads: 120 This Week
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  • 19
    GsTL is a C++ library that provides a comprehensive set of tools and algorithms for geostatistics. The algorithms provided include kriging, cokriging, sequential simulation and p-field simulation.
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    Downloads: 0 This Week
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  • 20
    An SQL handler to interface multiple databases data to the OpeNDAP Hyrax (BES) server. Written in C++, it uses unixODBC to query DB and can be dynamically extended to use proprietary ODBC API driver in many easy ways. It is bundled with scripts to ge
    Downloads: 0 This Week
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  • 21
    Software made available by the Residual Analysis blog, primarily having to do with anthropogenic global warming, e.g. GHCN Processor.
    Downloads: 0 This Week
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  • 22
    Provides an API, which enables the Matlab or Octave user (and developer) to incorporate Space Weather data and metadata resources from the Space Physics Interactive Data Resource (SPIDR) directly into an Matlab/Octave application. Examples included.
    Downloads: 0 This Week
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  • 23
    Provides an API, which enables the Interactive Data Language (IDL) user (and developer) to incorporate Space Weather data and metadata resources from the Space Physics Interactive Data Resource (SPIDR) directly into an IDL application. Examples included.
    Downloads: 0 This Week
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  • 24
    We produced a software for scientists and managers working with marinas, and small harbor. Our software is able to predict the distribution of portuality and vulnerability risk.
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  • 25
    A software directed towards the geomatics engineering community. OpenSSG efficiently implements a collection of components vital to geomatics industry using smooth and flexible interface.
    Downloads: 0 This Week
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