An extension module for yt, adding a frontend for Idefix
Project description
yt_idefix
A maturing yt frontend for Idefix, packaged as an extension for yt. This frontend is a candidate for integration in the core yt code base.
Installation
Make sure you have Python 3.7 or newer, then run
python3 -m pip install yt_idefix
If you don't already have yt it will be installed along.
Usage
After importing yt itself, make sure to activate the extension
import yt
import yt.extensions.idefix
Single dump files as well as time series can be loaded directly with yt.load, e.g.,
ds = yt.load("dump.0054.dmp")
ts = yt.load("dump.00??.dmp")
But vtk files currently require a little additional work
# load a single dataset
from yt_idefix.api import IdefixVtkDataset
ds = IdefixVtkDataset("data.0042.vtk")
# load time series
class IdefixVtkDatasetSeries(yt.DatasetSeries):
_dataset_cls = IdefixVtkDataset
ts = IdefixVtkDatasetSeries("data.00??.vtk")
This is because of a bug that will be fixed in yt's next release, see after.
Current limitations
As of version 0.5.0 of this project, I/O performances are yet to be optimized for both dump and vtk files.
Vtk support is limited to cartesian geometries and currently slightly hacky. It will received better care in upcoming releases.
As of yt 4.0.1:
- Non-uniform grids (using log spacing) are not supported, which makes this frontend of very limited use for Idefix.
yt.load()is not suitable for vtk files because they are considered ambiguous since all vtk files are (erroneously) recognized as Athena. This bug is resolved on yt's dev branch (https://github.com/yt-project/yt/pull/3424)
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