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There are at least two potentially useful libraries that port healpix to javascript.
- https://github.com/michitaro/healpix
- https://github.com/cds-astro/cds-healpix-rust
When the gui is redon…
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Hi @mcoughlin you mentioned you wanted to use astropy regions,
this is what you had in mind right ?
https://astropy-regions.readthedocs.io/en/stable/
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This is a feature request to add a flux-conserving (and equivalently count-conserving) reprojection method to / from HEALPIX.
For HEALPIX HEALPIX it would be trivial, just multiply / divide by 4 to …
cdeil updated
2 years ago
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healpix redshifts should only use data from good tiles, not all tiles processed. This requires checking svn $DESI_SURVEYOPS/ops/tiles-specstatus.ecsv for QA=='good' and ZDONE=='true' (i.e. both QA ap…
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The step of going to a Healpix grid before converting to `a_lm` should probably be avoided for accuracy reasons. The original `beam2alm` code did actually produce a Healpix map, but it was only used f…
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Currently, there is a base 12 / base 16 geohash implemented. First it determines which bin of 12 a coordinate falls in, and then the "remainder" healpix, each is converted into hex and concatenated t…
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The available target grids for `interpolate()` are always (with some exceptions) regular lat-lon grids. This issue is addressing the question of adding reduced Gaussian grids as targets.
Proposal (…
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**Gammapy version**
1.2.
The result of `gammapy info` is below.
> System:
>
> python_executable : /Users/mitsunari/.conda/envs/gammapy-1.2/bin/python
> python_version : 3.10.1…
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```java
crsFactory.createFromParameters("rHEALPix", "+proj=healpix +ellps=WGS84")
Exception in thread "main" org.locationtech.proj4j.InvalidValueException: Unknown projection: healpix
at org.locat…
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@cdeil @fxpineau @astrofrog @tboch - Following our discussion from PyGamma19, a mid-term goal is to replace the current C HEALPix implementation from astrometry.net with [the new Rust one](https://cra…