Astrophysics Source Code Library

Making codes discoverable since 1999

Searching for codes credited to 'Demleitner, Markus'

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[ascl:1112.015] Dexter: Data Extractor for scanned graphs

The NASA Astrophysics Data System (ADS) now holds 1.3 million scanned pages, containing numerous plots and figures for which the original data sets are lost or inaccessible. The availability of scans of the figures can significantly ease the regeneration of the data sets. For this purpose, the ADS has developed Dexter, a Java applet that supports the user in this process. Dexter's basic functionality is to let the user manually digitize a plot by marking points and defining the coordinate transformation from the logical to the physical coordinate system. Advanced features include automatic identification of axes, tracing lines and finding points matching a template.

[submitted] PyVO: a package providing access to the Virtual observatory (VO) using Python

PyVO is a package providing access to remote data and services of the Virtual observatory (VO) using Python. It takes advantage VO standards to interface to tens of thousands of catalogs, data archives, information services, and analysis tools. PyVO is built on top of Astopy (and numpy).

The VO protocols support by pyVO include the Table Access Protocol TAP, the Simple Image and Spectra Access Protocols (SIAP, SSAP), Simple Cone Search (SCS), the VO services interface VOSI, and Datalink.

[submitted] DaCHS

DaCHS, the Data Center Helper Suite, is an integrated package for publishing astronomical data sets to the Virtual Observatory. Network-facing, it speaks the major VO protocols (SCS, SIAP, SSAP, TAP, Datalink, etc). Operator-facing, many input formats, including FITS/WCS, ASCII files, and VOTable, can be processed to publication-ready data. DaCHS puts particular emphasis on integrated metadata handling, which facilitates a tight integration with the VO's Registry