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* mergertree.py: Implement function "plot_mtree()"Aaron LI2017-06-011-2/+52
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* halo.py: Update to match MergerTree structuresAaron LI2017-06-011-8/+8
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* configs: Add sigma8 to specificationsAaron LI2017-06-011-0/+2
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* Add clusters/formation.py: Simulate cluster merging historyAaron LI2017-06-012-0/+234
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* mergertree.py: Remove "merged" parameterAaron LI2017-06-011-5/+1
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* solver.py: Avoid possible overflow when w is too largeAaron LI2017-06-011-0/+10
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* halo.py: Force a minimal value on acceleration coefficientAaron LI2017-06-013-3/+27
| | | | | | | To avoid the too small (or zero) values for the diffusion coefficient of the Fokker-Planck equation. Also change config "extragalactic/halo/pmax" from 1e4 to 1e5
* cosmology.py: Greatly optimize the speed!Aaron LI2017-06-011-26/+57
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* cosmology.py: Only support flat ΛCDM cosmological modelAaron LI2017-06-011-93/+25
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* clusters/halo: Add missing config "buffer_np"Aaron LI2017-06-012-0/+7
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* clusters/solver.py: Extrapolate the x grid to avoid NaN'sAaron LI2017-06-011-5/+15
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* clusters/solver.py: Disable a RuntimeWarningAaron LI2017-06-011-2/+4
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* clusters/clusters.py: Fix import pathAaron LI2017-06-011-6/+6
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* Add "[extragalactic/halos]" configurationsAaron LI2017-06-011-0/+44
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* Add clusters/halo.py: simulate single halo for clusterAaron LI2017-06-011-0/+698
| | | | | Simulate (giant) radio halos following the "statistical magneto-turbulent model" proposed by Cassano & Brunetti (2005).
* cosmology.py: Change name to "Cosmology"; Add "age0" and "Ob0"Aaron LI2017-06-011-3/+18
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* Add clusters/solver.py to solve the Fokker-Planck equationAaron LI2017-06-011-0/+276
| | | | | Adopt the finite difference scheme to solve the Fokker-Planck equation, following Park & Petrosian (1996, ApJS, 103, 255).
* Add clusters/mergertree.pyAaron LI2017-06-011-0/+77
| | | | | The merger tree is a binary tree that represents the merging (or formation) history of a cluster.
* Add clusters/cosmology.py with common cosmological modelsAaron LI2017-06-011-0/+230
| | | | | | Mainly the "flat LambdaCDM" and "EdS" cosmological models. With some useful utility functions.
* Make separate directory for clusters, prepare for halo simulationsAaron LI2017-06-013-4/+4
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* uvsim/telescope.py: Add "plot_stations()" and "plot_telescope()"Aaron LI2017-06-011-8/+79
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* Add uvsim/ska1low.layout.txt: SKA1-low layout v2.0 2016-05-31Aaron LI2017-05-311-0/+538
| | | | | | Reference: SKA-TEL-SKO-0000422, revision 02, 2016-05-31, Table 1 http://astronomers.skatelescope.org/wp-content/uploads/2016/09/SKA-TEL-SKO-0000422_02_SKA1_LowConfigurationCoordinates-1.pdf
* Add uvsim/telescope.py and bin/make-ska1low-modelAaron LI2017-05-312-0/+220
| | | | | The `bin/make-ska1low-model` executable uses `telescope.py` to generate the SKA1-low telescope model for OSKAR simulation usage.
* Add uvsim/wgs84.py: Convert WGS84 to ECEF/ENU coordinatesAaron LI2017-05-311-0/+97
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* sky.py: Fix FITS header writeAaron LI2017-05-271-4/+8
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* extragalactic/clusters: Update to use sky.pyAaron LI2017-05-262-78/+91
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* extragalactic/clusters: Scale input catalog to match the sky coverageAaron LI2017-05-261-20/+29
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* sky.py: Add "area()" methodAaron LI2017-05-251-0/+21
| | | | | | XXX/FIXME --------- Consider the spherical coordination and WCS sky projection!!
* galactic/snr: Update to support the sky.pyAaron LI2017-05-222-103/+119
| | | | Also fix a typo in configs/checkers.py
* sky.py: Implement method "reproject_to()"Aaron LI2017-05-221-8/+102
| | | | | | | | | | This method reproject the given sky/image onto the grid of its own, using the ``reproject`` package [1]. However, the performance may be a problem and needs optimization or rewrite. [1] reproject: https://github.com/astrofrog/reproject
* Add utils/wcs.py with function "make_wcs()"Aaron LI2017-05-221-0/+54
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* utils/grid: Add function "make_ellipse()"Aaron LI2017-05-221-7/+47
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* sky/SkyPatch: Add wcs and region coverage checkAaron LI2017-05-221-0/+56
| | | | NOTE: only TAN sky projection supported.
* configs/checkers: Check SNR simulation resolution against pixel sizeAaron LI2017-05-211-0/+7
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* Minor updates to galactic/{freefree,synchrotron}.pyAaron LI2017-05-212-12/+10
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* sky.py: Flatten 2D image of sky patch to 1D for easier processingAaron LI2017-05-211-14/+21
| | | | | Flatten the image array to 1D makes it similar to the HEALPix map array, therefore, it is easier to deal with both cases.
* galactic/freefree: Update to support sky.pyAaron LI2017-05-212-70/+54
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* galactic/synchrotron: Update to support sky.pyAaron LI2017-05-213-117/+121
| | | | | | | * Also update foregrounds.py to use sky.py * Minor fixes to configs/manager.py TODO: update synchrotron/add_smallscales() to also work with sky patch.
* Add sky.py to support both sky patch and HEALPix all-sky mapAaron LI2017-05-211-0/+272
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* galactic/synchrotron.py: Fix typo w.r.t. component nameAaron LI2017-05-211-1/+1
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* configs : Drop "output/filetype"; only support FITSAaron LI2017-05-176-31/+3
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* configs: New "sky" section, and remove "common" sectionAaron LI2017-05-164-39/+69
| | | | * Update checkers accordingly
* configs: Use separate section "foregrounds" to config componentsAaron LI2017-05-164-31/+63
| | | | Also update copyright information.
* Bump to version 0.4.1 with important bug fixesv0.4.1Aaron LI2016-12-131-1/+1
| | | | | | | | | | | | | | * Fix two serious bug in "utils/draw.py", which causes the generated ellipses are wrong (like rectangles), and thus leads to wrong simulation shapes for SNRs, clusters, etc. * Also clean up "utils/draw.py" by merging the "_ellipse_in_shape()" function into "ellipse()". * Update "galactic/snr.py" to use the JIT-optimized "Fnu_to_Tb_fast()" function. * Other small changes/updates.
* galactic/snr.py: Small cleanup; Update default resolutionAaron LI2016-12-132-3/+4
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* utils/draw.py: Merge "_ellipse_in_shape()" to "ellipse()"Aaron LI2016-12-132-85/+25
| | | | | * Fix the bug that "ellipse()" generate unexpected results. * Update the parameters of "ellipse()" also
* utils/draw.py: Fix a wrong brace in "_ellipse_in_shape()"Aaron LI2016-12-131-1/+1
| | | | | This bug causes wrong ellipse generation, which is the main reason to the strange and wrong SNRs shapes.
* galactic/snr.py: Use HEALPix pixel area if object smaller than itAaron LI2016-12-131-1/+5
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* galactic/snr.py: Update to use "Fnu_to_Tb_fast()"; some cleanupsAaron LI2016-12-131-18/+19
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* products.py: Add parameter "load" to __init__()Aaron LI2016-12-092-7/+11
| | | | | | | | | | The "load" parameter explicitly controls whether to load the specified manifest file. Update "foregrounds.py" to use this new "load" parameter, which prevent the manifest file been loaded. Otherwise, if the output manifest file already exists, it will be loaded to Products, which may cause inconsistencies with the manifest of newly simulated products.
Copyright © 2017-2018 Aaron LI. All Rights Reserved.