| Name | gplately JSON |
| Version |
1.3.0
JSON |
| download |
| home_page | https://github.com/GPlates/gplately |
| Summary | Object-orientated Python interface to pyGPlates for plate tectonic reconstruction |
| upload_time | 2023-12-22 09:07:21 |
| maintainer | |
| docs_url | None |
| author | Ben Mather |
| requires_python | |
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| keywords |
tectonics
earth
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
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No coveralls.
|
<p align="center">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/GPlates/gplately/master/Notebooks/NotebookFiles/ReadMe_Files/GPlately_White_logo.png">
<source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/GPlates/gplately/master/Notebooks/NotebookFiles/ReadMe_Files/GPlately_Main_logo.png">
<img alt="GPlately logo." src="https://raw.githubusercontent.com/GPlates/gplately/master/Notebooks/NotebookFiles/ReadMe_Files/GPlately_Main_logo.png">
</picture>
</p>
GPlately was created to accelerate spatio-temporal data analysis leveraging [pyGPlates](https://www.gplates.org/docs/pygplates/index.html) and [PlateTectonicTools](https://github.com/EarthByte/PlateTectonicTools) within a simplified Python interface. This object-oriented package enables the reconstruction of data through deep geologic time (points, lines, polygons, and rasters), the interrogation of plate kinematic information (plate velocities, rates of subduction and seafloor spreading), the rapid comparison between multiple plate motion models, and the plotting of reconstructed output data on maps. All tools are designed to be parallel-safe to accelerate spatio-temporal analysis over multiple CPU processors.
GPlately requires a working installation of pyGPlates, which is freely
available at https://www.gplates.org/download.
All major system architectures (e.g. Linux, MacOS, Windows) are supported and installation instructions
are [well documented](https://www.gplates.org/docs/pygplates/pygplates_getting_started.html#installation).
Sample data is also available from [EarthByte servers](https://www.earthbyte.org/category/resources/), which
includes rasters, seafloor age grids, rotation files, and more to get started with plate reconstructions.
#### Citation
> Mather, B.R., Müller, R.D., Zahirovic, S., Cannon, J., Chin, M., Ilano, L., Wright, N.M., Alfonso, C., Williams, S., Tetley, M., Merdith, A. (2023) Deep time spatio-temporal data analysis using pyGPlates with PlateTectonicTools and GPlately. _Geoscience Data Journal_, 1–8. Available from: https://doi.org/10.1002/gdj3.185
```bib
@article{Mather2023,
author = {Mather, Ben R. and Müller, R. Dietmar and Zahirovic, Sabin and Cannon, John and Chin, Michael and Ilano, Lauren and Wright, Nicky M. and Alfonso, Christopher and Williams, Simon and Tetley, Michael and Merdith, Andrew},
title = {Deep time spatio-temporal data analysis using pyGPlates with PlateTectonicTools and GPlately},
year = {2023},
journal = {Geoscience Data Journal},
pages = {1-8},
keywords = {geospatial, plate reconstructions, pyGPlates, python, tectonics},
doi = {https://doi.org/10.1002/gdj3.185},
url = {https://rmets.onlinelibrary.wiley.com/doi/abs/10.1002/gdj3.185},
eprint = {https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/gdj3.185},
}
```
## Dependencies
- [pyGPlates](https://www.gplates.org/docs/pygplates/pygplates_getting_started.html#installation)
- [plate-model-manager](https://pypi.org/project/plate-model-manager/) >= 1.2.0
- [Shapely](https://shapely.readthedocs.io/en/stable/project.html#installing-shapely)
- [NumPy](https://numpy.org/install/) > 1.16
- [SciPy](https://scipy.org/install/) > 1.0
- [Matplotlib](https://matplotlib.org/stable/users/installing/index.html)
- [Cartopy](https://scitools.org.uk/cartopy/docs/latest/index.html#getting-started) (for mapping)
- [Shapely](https://shapely.readthedocs.io/en/stable/installation.html)
- [Pooch](https://github.com/fatiando/pooch)
- [GeoPandas](https://geopandas.org/en/stable/getting_started.html)
- [netCDF4](https://unidata.github.io/netcdf4-python/#quick-install)
## Installation
### 1. Using conda (recommended)
You can install the latest stable public release of `GPlately` and all of its dependencies using conda.
This is the preferred method to install `GPlately` which downloads binaries from the conda-forge channel.
```sh
conda install -c conda-forge gplately
```
#### Creating a new conda environment
We recommend creating a new conda environment inside which to install `GPlately`. This avoids any potential conflicts in your base Python environment. In the example below we create a new environment called "`my-env`":
```sh
conda create -n my-env
conda activate my-env
conda install -c conda-forge gplately
```
`my-env` needs to be activated whenever you use `GPlately`: i.e. `conda activate my-env`.
### 2. Using pip
Alternatively, you can install the latest stable public release of `GPlately` using the pip package manager.
```sh
pip install gplately
```
or from this GitHub repository:
```sh
pip install git+https://github.com/GPlates/gplately.git
```
#### Pull from repository
**First-time installation:** To install the latest version of GPlately from a specific repository branch (e.g. `master`), copy the following commands into your terminal:
```sh
cd /path/to/desired/directory #Change your command directory to where you'd like to clone GPlately
git clone https://github.com/GPlates/gplately.git
cd gplately # navigate within the gplately folder
git checkout master # or the name of whichever branch you need
git pull # fetch all recent changes from this branch
pip install .
```
**Update installation from cloned repo:** To update your installation of GPlately by fetching the latest pushes from a specific repository branch (e.g. `master`), copy the following commands into your terminal:
```sh
cd /path/to/gplately/directory #Should be where gplately is cloned - must end in /.../gplately
git checkout master # or the name of whichever branch you need
git pull # fetch all recent changes from this branch
pip install .
```
## Usage
GPlately uses objects to accomplish a variety of common tasks. The common objects include:
- [`DataServer`](#the-dataserver-object) - download rotation files and topology features from plate models on EarthByte's webDAV server
- [`PlateModelManager`](#the-platemodelmanager-object) - download and manage the plate reconstruction model files
- [`PlateReconstruction`](#the-platereconstruction-object) - reconstruct features, tesselate mid ocean ridges, subduction zones
- [`Points`](#the-points-object) - partition points onto plates, rotate back through time
- [`Raster`](#the-raster-object) - read in NetCDF grids, interpolation, resampling
- [`PlotTopologies`](#the-plottopologies-object) - one stop shop for plotting ridges, trenches, subduction teeth
### The `DataServer` object
`GPlately`'s `DataServer` object can be used to download:
- rotation models
- topology features
- static polygons
- coastlines
- continents
- continent-ocean boundaries
- age grids and rasters
- geological feature data
from assorted plate reconstruction models. These files are needed to construct most of `GPlately`'s objects. For example,
we can download a `rotation model`, a set of `topology features` and some `static polygons` from the [Müller et al. 2019](https://www.earthbyte.org/muller-et-al-2019-deforming-plate-reconstruction-and-seafloor-age-grids-tectonics/)
global Mesozoic–Cenozoic deforming plate motion model.
```python
gDownload = gplately.DataServer("Muller2019")
rotation_model, topology_features, static_polygons = gDownload.get_plate_reconstruction_files()
```
### The `PlateModelManager` object
... was designed as a substitute of `DataServer` object. The `PlateModelManager` object can be used to download and manage the plate reconstruction model files.
```
pm_manager = PlateModelManager()
model = pm_manager.get_model("Muller2019")
model.set_data_dir("plate-model-repo")
recon_model = PlateReconstruction(
model.get_rotation_model(),
topology_features=model.get_layer("Topologies"),
static_polygons=model.get_layer("StaticPolygons"),
)
gplot = PlotTopologies(
recon_model,
coastlines=model.get_layer("Coastlines"),
COBs=model.get_layer("COBs"),
time=55,
)
```
### The `PlateReconstruction` object
... contains methods to reconstruct the positions of present-day feature data back through geological time. You can also use
it to calculate plate model data like topological plate velocities, or total trench and ridge lengths per Ma! You can create
the object by passing a `rotation model`, a set of `topology features` and some `static polygons`:
```python
model = gplately.PlateReconstruction(rotation_model, topology_features, static_polygons)
```
Launch the [Plate Reconstruction](https://github.com/GPlates/gplately/blob/master/Notebooks/02-PlateReconstructions.ipynb) notebook to see more.
### The `Points` object
... can be used to reconstruct the positions of geological point features and calculate their underlying plate velocities
through geological time.
```python
pt_lon = np.array([-107.662152, -58.082792, 17.483189, 133.674590, 80.412876])
pt_lat = np.array([48.797807, -12.654857, 11.884395, -26.415630, 31.368509])
# Call the Points object: pass the PlateReconstruction object, and the latitudes and longitudes of the seed points!
gpts = gplately.Points(model, pt_lon, pt_lat)
```
### The `Raster` object
...can be used to read, resample and resize assorted raster data like `netCDF4` seafloor age grids, continental grids and ETOPO
relief rasters. You can also reconstruct raster data back through geological time!
```python
etopo = gdownload.get_raster("ETOPO1_tif")
raster = gplately.Raster(
model,
data=etopo,
time=0,
origin="upper",
)
white_rgb = (255, 255, 255) # RGB code for white, to fill gaps in output
reconstructed = raster.reconstruct(
time=50,
fill_value=white_rgb,
threads=4,
)
```
Below is a plot of the [ETOPO1 global relief raster](https://www.ncei.noaa.gov/products/etopo-global-relief-model) at present day, and reconstructed to 50Ma:
### The `PlotTopologies` object
... can be used to visualise reconstructed feature geometries through time. To call the object, pass a set of `continents`,
`coastlines` and `COBs` (either as file paths or as `<pyGPlates.FeatureCollection>` objects), as well as a `PlateReconstruction`
object, and a reconstruction `time`.
```python
coastlines, continents, COBs = gDownload.get_topology_geometries()
time = 50 #Ma
gPlot = gplately.plot.PlotTopologies(model, time, coastlines, continents, COBs)
```
Below are some continents, coastlines, COBs, ridges and transforms, trenches, subduction teeth and
seafloor age grids plotted using `PlotTopologies`!
## Sample workflows
To see GPlately in action, launch a Jupyter Notebook environment and check out the [sample notebooks](./Notebooks):
- [**01 - Getting Started**](https://github.com/GPlates/gplately/blob/master/Notebooks/01-GettingStarted.ipynb): A brief overview of how to initialise GPlately's main objects
- [**02 - Plate Reconstructions**](https://github.com/GPlates/gplately/blob/master/Notebooks/02-PlateReconstructions.ipynb): Setting up a `PlateReconstruction` object, reconstructing geological data through time
- [**03 - Working with Points**](https://github.com/GPlates/gplately/blob/master/Notebooks/03-WorkingWithPoints.ipynb): Setting up a `Points` object, reconstructing seed point locations through time with. This notebook uses point data from the Paleobiology Database (PBDB).
- [**04 - Velocity Basics**](https://github.com/GPlates/gplately/blob/master/Notebooks/04-VelocityBasics.ipynb): Calculating plate velocities, plotting velocity vector fields
- [**05 - Working with Feature Geometries**](https://github.com/GPlates/gplately/blob/master/Notebooks/05-WorkingWithFeatureGeometries.ipynb): Processing and plotting assorted polyline, polygon and point data from [GPlates 2.3's sample data sets](https://www.earthbyte.org/gplates-2-3-software-and-data-sets/)
- [**06 - Rasters**](https://github.com/GPlates/gplately/blob/master/Notebooks/06-Rasters.ipynb): Reading, resizing, resampling raster data, and linearly interpolating point data onto raster data
- [**07 - Plate Tectonic Stats**](https://github.com/GPlates/gplately/blob/master/Notebooks/07-WorkingWithPlateTectonicStats.ipynb): Using [PlateTectonicTools](https://github.com/EarthByte/PlateTectonicTools) to calculate and plot subduction zone and ridge data (convergence/spreading velocities, subduction angles, subduction zone and ridge lengths, crustal surface areas produced and subducted etc.)
- [**08 - Predicting Slab Flux**](https://github.com/GPlates/gplately/blob/master/Notebooks/08-PredictingSlabFlux.ipynb): Predicting the average slab dip angle of subducting oceanic lithosphere.
- [**09 - Motion Paths and Flowlines**](https://github.com/GPlates/gplately/blob/master/Notebooks/09-CreatingMotionPathsAndFlowlines.ipynb): Using pyGPlates to create motion paths and flowines of points on a tectonic plate to illustrate the plate's trajectory through geological time.
- [**10 - SeafloorGrid**](https://github.com/GPlates/gplately/blob/master/Notebooks/10-SeafloorGrids.ipynb): Defines the parameters needed to set up a `SeafloorGrid` object, and demonstrates how to produce age and spreading rate grids from a set of plate reconstruction model files.
## API Documentation
Documentation of GPlately's objects and methods can be found [here](https://gplates.github.io/gplately/)!
## Command Line Tools
GPlately comes with a suite of useful command line tools. These tools are designed as GPlately subcommands. Run `gplately -h` to show the list of tools.
- **combine**
Combine multiple feature collections into one. Run `gplately combine -h` for details.
- **filter**
Filter feature collection by various criteria. See scripts/test_feature_filter.sh for usage examples. Run `glately filter -h` for details.
- **agegrid (ag)**
Create age grids for a plate model. Run `glately agegrid -h` for details.
- **fix_crossovers**
Loads one or more input rotation files, fixes any crossovers and saves the rotations to output rotation files. Run `gplately fix_crossovers -h` for details.
- **remove_rotations**
Remove one or more plate IDs from a rotation model (consisting of one or more rotation files). Run `gplately remove_rotations -h` for details.
- **cleanup_topologies**
Remove any regular features not referenced by topological features. Run `gplately cleanup_topologies -h` for details.
- **convert_xy_to_gplates**
Converts geometry in one or more input ascii files (such as '.xy' files) to output files suitable for loading into GPlates. Run `gplately convert_xy_to_gplates -h` for details.
- **diagnose_rotations**
Diagnose one or more rotation files to check for inconsistencies. Run `gplately diagnose_rotations -h` for details.
- **resolve_topologies**
Resolve topological plate polygons (and deforming networks) and saves (to separate files) the resolved topologies, and their boundary sections as subduction zones, mid-ocean ridges (ridge/transform) and others (not subduction zones or mid-ocean ridges). Run `gplately resolve_topologies -h` for details.
- **rotation_tools**
Calculate stage rotations between consecutive finite rotations in plate pairs. Run `gplately rotation_tools -h` for details.
- **separate_ridge_transform_segments**
Split the geometries of isochrons and mid-ocean ridges into ridge and transform segments. Run `gplately separate_ridge_transform_segments -h` for details.
- **subduction_convergence**
Find the convergence rates along trenches (subduction zones) over time. Run `gplately subduction_convergence -h` for details.
- **gpmdb**
Retrieve paleomagnetic data from https://www.gpmdb.net, create GPlates-compatible VGP features and save the VGP features in a .gpmlz file. Run `gplately gpmdb -h` for details.
Raw data
{
"_id": null,
"home_page": "https://github.com/GPlates/gplately",
"name": "gplately",
"maintainer": "",
"docs_url": null,
"requires_python": "",
"maintainer_email": "",
"keywords": "Tectonics,Earth",
"author": "Ben Mather",
"author_email": "Ben Mather <ben.mather@sydney.edu.au>",
"download_url": "https://files.pythonhosted.org/packages/7c/31/e4fad4732ca3af2ee9aecfc97d7df92e5c1466ea15b26594416c8f1bb486/gplately-1.3.0.tar.gz",
"platform": null,
"description": "<p align=\"center\">\n<picture>\n <source media=\"(prefers-color-scheme: dark)\" srcset=\"https://raw.githubusercontent.com/GPlates/gplately/master/Notebooks/NotebookFiles/ReadMe_Files/GPlately_White_logo.png\">\n <source media=\"(prefers-color-scheme: light)\" srcset=\"https://raw.githubusercontent.com/GPlates/gplately/master/Notebooks/NotebookFiles/ReadMe_Files/GPlately_Main_logo.png\">\n <img alt=\"GPlately logo.\" src=\"https://raw.githubusercontent.com/GPlates/gplately/master/Notebooks/NotebookFiles/ReadMe_Files/GPlately_Main_logo.png\">\n</picture>\n</p>\n\n\n\n\n\nGPlately was created to accelerate spatio-temporal data analysis leveraging [pyGPlates](https://www.gplates.org/docs/pygplates/index.html) and [PlateTectonicTools](https://github.com/EarthByte/PlateTectonicTools) within a simplified Python interface. This object-oriented package enables the reconstruction of data through deep geologic time (points, lines, polygons, and rasters), the interrogation of plate kinematic information (plate velocities, rates of subduction and seafloor spreading), the rapid comparison between multiple plate motion models, and the plotting of reconstructed output data on maps. All tools are designed to be parallel-safe to accelerate spatio-temporal analysis over multiple CPU processors.\n\n\n\nGPlately requires a working installation of pyGPlates, which is freely\navailable at https://www.gplates.org/download.\nAll major system architectures (e.g. Linux, MacOS, Windows) are supported and installation instructions\nare [well documented](https://www.gplates.org/docs/pygplates/pygplates_getting_started.html#installation).\nSample data is also available from [EarthByte servers](https://www.earthbyte.org/category/resources/), which\nincludes rasters, seafloor age grids, rotation files, and more to get started with plate reconstructions.\n\n#### Citation\n\n> Mather, B.R., M\u00fcller, R.D., Zahirovic, S., Cannon, J., Chin, M., Ilano, L., Wright, N.M., Alfonso, C., Williams, S., Tetley, M., Merdith, A. (2023) Deep time spatio-temporal data analysis using pyGPlates with PlateTectonicTools and GPlately. _Geoscience Data Journal_, 1\u20138. Available from: https://doi.org/10.1002/gdj3.185\n\n```bib\n@article{Mather2023,\nauthor = {Mather, Ben R. and M\u00fcller, R. Dietmar and Zahirovic, Sabin and Cannon, John and Chin, Michael and Ilano, Lauren and Wright, Nicky M. and Alfonso, Christopher and Williams, Simon and Tetley, Michael and Merdith, Andrew},\ntitle = {Deep time spatio-temporal data analysis using pyGPlates with PlateTectonicTools and GPlately},\nyear = {2023},\njournal = {Geoscience Data Journal},\npages = {1-8},\nkeywords = {geospatial, plate reconstructions, pyGPlates, python, tectonics},\ndoi = {https://doi.org/10.1002/gdj3.185},\nurl = {https://rmets.onlinelibrary.wiley.com/doi/abs/10.1002/gdj3.185},\neprint = {https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/gdj3.185},\n}\n```\n\n## Dependencies\n\n- [pyGPlates](https://www.gplates.org/docs/pygplates/pygplates_getting_started.html#installation)\n- [plate-model-manager](https://pypi.org/project/plate-model-manager/) >= 1.2.0\n- [Shapely](https://shapely.readthedocs.io/en/stable/project.html#installing-shapely)\n- [NumPy](https://numpy.org/install/) > 1.16\n- [SciPy](https://scipy.org/install/) > 1.0\n- [Matplotlib](https://matplotlib.org/stable/users/installing/index.html)\n- [Cartopy](https://scitools.org.uk/cartopy/docs/latest/index.html#getting-started) (for mapping)\n- [Shapely](https://shapely.readthedocs.io/en/stable/installation.html)\n- [Pooch](https://github.com/fatiando/pooch)\n- [GeoPandas](https://geopandas.org/en/stable/getting_started.html)\n- [netCDF4](https://unidata.github.io/netcdf4-python/#quick-install)\n\n## Installation\n\n### 1. Using conda (recommended)\n\nYou can install the latest stable public release of `GPlately` and all of its dependencies using conda.\nThis is the preferred method to install `GPlately` which downloads binaries from the conda-forge channel.\n\n```sh\nconda install -c conda-forge gplately\n```\n\n#### Creating a new conda environment\n\nWe recommend creating a new conda environment inside which to install `GPlately`. This avoids any potential conflicts in your base Python environment. In the example below we create a new environment called \"`my-env`\":\n\n```sh\nconda create -n my-env\nconda activate my-env\nconda install -c conda-forge gplately\n```\n\n`my-env` needs to be activated whenever you use `GPlately`: i.e. `conda activate my-env`.\n\n### 2. Using pip\n\nAlternatively, you can install the latest stable public release of `GPlately` using the pip package manager.\n\n```sh\npip install gplately\n```\n\nor from this GitHub repository:\n\n```sh\npip install git+https://github.com/GPlates/gplately.git\n```\n\n#### Pull from repository\n\n**First-time installation:** To install the latest version of GPlately from a specific repository branch (e.g. `master`), copy the following commands into your terminal:\n\n```sh\ncd /path/to/desired/directory #Change your command directory to where you'd like to clone GPlately\ngit clone https://github.com/GPlates/gplately.git\ncd gplately # navigate within the gplately folder\ngit checkout master # or the name of whichever branch you need\ngit pull # fetch all recent changes from this branch\npip install .\n```\n\n**Update installation from cloned repo:** To update your installation of GPlately by fetching the latest pushes from a specific repository branch (e.g. `master`), copy the following commands into your terminal:\n\n```sh\ncd /path/to/gplately/directory #Should be where gplately is cloned - must end in /.../gplately\ngit checkout master # or the name of whichever branch you need\ngit pull # fetch all recent changes from this branch\npip install .\n```\n\n## Usage\n\nGPlately uses objects to accomplish a variety of common tasks. The common objects include:\n\n- [`DataServer`](#the-dataserver-object) - download rotation files and topology features from plate models on EarthByte's webDAV server\n- [`PlateModelManager`](#the-platemodelmanager-object) - download and manage the plate reconstruction model files\n- [`PlateReconstruction`](#the-platereconstruction-object) - reconstruct features, tesselate mid ocean ridges, subduction zones\n- [`Points`](#the-points-object) - partition points onto plates, rotate back through time\n- [`Raster`](#the-raster-object) - read in NetCDF grids, interpolation, resampling\n- [`PlotTopologies`](#the-plottopologies-object) - one stop shop for plotting ridges, trenches, subduction teeth\n\n### The `DataServer` object\n\n`GPlately`'s `DataServer` object can be used to download:\n\n- rotation models\n- topology features\n- static polygons\n- coastlines\n- continents\n- continent-ocean boundaries\n- age grids and rasters\n- geological feature data\n\nfrom assorted plate reconstruction models. These files are needed to construct most of `GPlately`'s objects. For example,\nwe can download a `rotation model`, a set of `topology features` and some `static polygons` from the [M\u00fcller et al. 2019](https://www.earthbyte.org/muller-et-al-2019-deforming-plate-reconstruction-and-seafloor-age-grids-tectonics/)\nglobal Mesozoic\u2013Cenozoic deforming plate motion model.\n\n```python\ngDownload = gplately.DataServer(\"Muller2019\")\nrotation_model, topology_features, static_polygons = gDownload.get_plate_reconstruction_files()\n```\n\n### The `PlateModelManager` object\n\n... was designed as a substitute of `DataServer` object. The `PlateModelManager` object can be used to download and manage the plate reconstruction model files.\n\n```\n pm_manager = PlateModelManager()\n model = pm_manager.get_model(\"Muller2019\")\n model.set_data_dir(\"plate-model-repo\")\n\n recon_model = PlateReconstruction(\n model.get_rotation_model(),\n topology_features=model.get_layer(\"Topologies\"),\n static_polygons=model.get_layer(\"StaticPolygons\"),\n )\n gplot = PlotTopologies(\n recon_model,\n coastlines=model.get_layer(\"Coastlines\"),\n COBs=model.get_layer(\"COBs\"),\n time=55,\n )\n```\n\n### The `PlateReconstruction` object\n\n... contains methods to reconstruct the positions of present-day feature data back through geological time. You can also use\nit to calculate plate model data like topological plate velocities, or total trench and ridge lengths per Ma! You can create\nthe object by passing a `rotation model`, a set of `topology features` and some `static polygons`:\n\n```python\nmodel = gplately.PlateReconstruction(rotation_model, topology_features, static_polygons)\n```\n\nLaunch the [Plate Reconstruction](https://github.com/GPlates/gplately/blob/master/Notebooks/02-PlateReconstructions.ipynb) notebook to see more.\n\n### The `Points` object\n\n... can be used to reconstruct the positions of geological point features and calculate their underlying plate velocities\nthrough geological time.\n\n```python\npt_lon = np.array([-107.662152, -58.082792, 17.483189, 133.674590, 80.412876])\npt_lat = np.array([48.797807, -12.654857, 11.884395, -26.415630, 31.368509])\n\n# Call the Points object: pass the PlateReconstruction object, and the latitudes and longitudes of the seed points!\ngpts = gplately.Points(model, pt_lon, pt_lat)\n```\n\n\n\n### The `Raster` object\n\n...can be used to read, resample and resize assorted raster data like `netCDF4` seafloor age grids, continental grids and ETOPO\nrelief rasters. You can also reconstruct raster data back through geological time!\n\n```python\netopo = gdownload.get_raster(\"ETOPO1_tif\")\n\nraster = gplately.Raster(\n model,\n data=etopo,\n time=0,\n origin=\"upper\",\n)\nwhite_rgb = (255, 255, 255) # RGB code for white, to fill gaps in output\n\nreconstructed = raster.reconstruct(\n time=50,\n fill_value=white_rgb,\n threads=4,\n)\n```\n\nBelow is a plot of the [ETOPO1 global relief raster](https://www.ncei.noaa.gov/products/etopo-global-relief-model) at present day, and reconstructed to 50Ma:\n\n\n\n### The `PlotTopologies` object\n\n... can be used to visualise reconstructed feature geometries through time. To call the object, pass a set of `continents`,\n`coastlines` and `COBs` (either as file paths or as `<pyGPlates.FeatureCollection>` objects), as well as a `PlateReconstruction`\nobject, and a reconstruction `time`.\n\n```python\ncoastlines, continents, COBs = gDownload.get_topology_geometries()\ntime = 50 #Ma\ngPlot = gplately.plot.PlotTopologies(model, time, coastlines, continents, COBs)\n```\n\nBelow are some continents, coastlines, COBs, ridges and transforms, trenches, subduction teeth and\nseafloor age grids plotted using `PlotTopologies`!\n\n\n\n## Sample workflows\n\nTo see GPlately in action, launch a Jupyter Notebook environment and check out the [sample notebooks](./Notebooks):\n\n- [**01 - Getting Started**](https://github.com/GPlates/gplately/blob/master/Notebooks/01-GettingStarted.ipynb): A brief overview of how to initialise GPlately's main objects\n- [**02 - Plate Reconstructions**](https://github.com/GPlates/gplately/blob/master/Notebooks/02-PlateReconstructions.ipynb): Setting up a `PlateReconstruction` object, reconstructing geological data through time\n- [**03 - Working with Points**](https://github.com/GPlates/gplately/blob/master/Notebooks/03-WorkingWithPoints.ipynb): Setting up a `Points` object, reconstructing seed point locations through time with. This notebook uses point data from the Paleobiology Database (PBDB).\n- [**04 - Velocity Basics**](https://github.com/GPlates/gplately/blob/master/Notebooks/04-VelocityBasics.ipynb): Calculating plate velocities, plotting velocity vector fields\n- [**05 - Working with Feature Geometries**](https://github.com/GPlates/gplately/blob/master/Notebooks/05-WorkingWithFeatureGeometries.ipynb): Processing and plotting assorted polyline, polygon and point data from [GPlates 2.3's sample data sets](https://www.earthbyte.org/gplates-2-3-software-and-data-sets/)\n- [**06 - Rasters**](https://github.com/GPlates/gplately/blob/master/Notebooks/06-Rasters.ipynb): Reading, resizing, resampling raster data, and linearly interpolating point data onto raster data\n- [**07 - Plate Tectonic Stats**](https://github.com/GPlates/gplately/blob/master/Notebooks/07-WorkingWithPlateTectonicStats.ipynb): Using [PlateTectonicTools](https://github.com/EarthByte/PlateTectonicTools) to calculate and plot subduction zone and ridge data (convergence/spreading velocities, subduction angles, subduction zone and ridge lengths, crustal surface areas produced and subducted etc.)\n- [**08 - Predicting Slab Flux**](https://github.com/GPlates/gplately/blob/master/Notebooks/08-PredictingSlabFlux.ipynb): Predicting the average slab dip angle of subducting oceanic lithosphere.\n- [**09 - Motion Paths and Flowlines**](https://github.com/GPlates/gplately/blob/master/Notebooks/09-CreatingMotionPathsAndFlowlines.ipynb): Using pyGPlates to create motion paths and flowines of points on a tectonic plate to illustrate the plate's trajectory through geological time.\n- [**10 - SeafloorGrid**](https://github.com/GPlates/gplately/blob/master/Notebooks/10-SeafloorGrids.ipynb): Defines the parameters needed to set up a `SeafloorGrid` object, and demonstrates how to produce age and spreading rate grids from a set of plate reconstruction model files.\n\n## API Documentation\n\nDocumentation of GPlately's objects and methods can be found [here](https://gplates.github.io/gplately/)!\n\n## Command Line Tools\n\nGPlately comes with a suite of useful command line tools. These tools are designed as GPlately subcommands. Run `gplately -h` to show the list of tools.\n\n- **combine**\n\n Combine multiple feature collections into one. Run `gplately combine -h` for details.\n\n- **filter**\n\n Filter feature collection by various criteria. See scripts/test_feature_filter.sh for usage examples. Run `glately filter -h` for details.\n\n- **agegrid (ag)**\n\n Create age grids for a plate model. Run `glately agegrid -h` for details.\n\n- **fix_crossovers**\n\n Loads one or more input rotation files, fixes any crossovers and saves the rotations to output rotation files. Run `gplately fix_crossovers -h` for details.\n\n- **remove_rotations**\n\n Remove one or more plate IDs from a rotation model (consisting of one or more rotation files). Run `gplately remove_rotations -h` for details.\n\n- **cleanup_topologies**\n\n Remove any regular features not referenced by topological features. Run `gplately cleanup_topologies -h` for details.\n\n- **convert_xy_to_gplates**\n\n Converts geometry in one or more input ascii files (such as '.xy' files) to output files suitable for loading into GPlates. Run `gplately convert_xy_to_gplates -h` for details.\n\n- **diagnose_rotations**\n\n Diagnose one or more rotation files to check for inconsistencies. Run `gplately diagnose_rotations -h` for details.\n\n- **resolve_topologies**\n\n Resolve topological plate polygons (and deforming networks) and saves (to separate files) the resolved topologies, and their boundary sections as subduction zones, mid-ocean ridges (ridge/transform) and others (not subduction zones or mid-ocean ridges). Run `gplately resolve_topologies -h` for details.\n\n- **rotation_tools**\n\n Calculate stage rotations between consecutive finite rotations in plate pairs. Run `gplately rotation_tools -h` for details.\n\n- **separate_ridge_transform_segments**\n\n Split the geometries of isochrons and mid-ocean ridges into ridge and transform segments. Run `gplately separate_ridge_transform_segments -h` for details.\n\n- **subduction_convergence**\n\n Find the convergence rates along trenches (subduction zones) over time. Run `gplately subduction_convergence -h` for details.\n\n- **gpmdb**\n\n Retrieve paleomagnetic data from https://www.gpmdb.net, create GPlates-compatible VGP features and save the VGP features in a .gpmlz file. Run `gplately gpmdb -h` for details.\n",
"bugtrack_url": null,
"license": "GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Lesser General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. 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It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the \"copyright\" line and a pointer to where the full notice is found. <one line to give the program's name and a brief idea of what it does.> Copyright (C) <year> <name of author> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a \"copyright disclaimer\" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. <signature of Ty Coon>, 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. ",
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