# Data Access and Discovery **URL:** https://openplanetary.discourse.group/c/data-access-discovery/18.md [Latest](https://openplanetary.discourse.group/latest.md) · [Categories](https://openplanetary.discourse.group/categories.md) · [Tags](https://openplanetary.discourse.group/tags.md) --- ## [About the Data Access and Discovery category](https://openplanetary.discourse.group/t/about-the-data-access-and-discovery-category/71)
**Author:** [@nmanaud](https://openplanetary.discourse.group/u/nmanaud)\ **Replies:** 0
Discussions about locating, accessing, and using data from PDS, PSA and other planetary data archives and databases; and about preparing data for archiving in PDS, and for interoperability. --- ## [GIS Renovated Apollo 15,16,17 Geologic Maps at 50K and 250K by B. Garry released](https://openplanetary.discourse.group/t/gis-renovated-apollo-15-16-17-geologic-maps-at-50k-and-250k-by-b-garry-released/705)
**Author:** [@Trent\_Hare](https://openplanetary.discourse.group/u/Trent_Hare)\ **Replies:** 1\ **Last updated:** [July 17, 2024, 6:53pm UTC](https://openplanetary.discourse.group/t/gis-renovated-apollo-15-16-17-geologic-maps-at-50k-and-250k-by-b-garry-released/705 "2024-07-17T18:53:57Z")
from: ScienceBase (Browse Folder) - ScienceBase-Catalog Apollo 15 Pre-Mission Map Renovation, https://doi.org/10.5066/P9CV6PG2 Apollo 16 Pre-Mission Map Renovation, https://doi.org/10.5066/P9VH5BIX Apollo 17 Pre-Missio… --- ## [List of historical and current spheroids for planetary "DATUMs"](https://openplanetary.discourse.group/t/list-of-historical-and-current-spheroids-for-planetary-datums/606)
**Author:** [@cmarmo](https://openplanetary.discourse.group/u/cmarmo)\ **Replies:** 14\ **Last updated:** [July 21, 2023, 12:11am UTC](https://openplanetary.discourse.group/t/list-of-historical-and-current-spheroids-for-planetary-datums/606 "2023-07-21T00:11:56Z")
Dear all, when dealing with Earth coordinates Astropy uses liberfa, in particular using the standard spheroids defined in src/eform.c. As a starting point for an implementation of planetary body-fixed coordinate frames… --- ## [Discussion about containers for timeseries data](https://openplanetary.discourse.group/t/discussion-about-containers-for-timeseries-data/588)
**Author:** [@cmarmo](https://openplanetary.discourse.group/u/cmarmo)\ **Replies:** 0\ **Last updated:** [March 3, 2023, 8:08pm UTC](https://openplanetary.discourse.group/t/discussion-about-containers-for-timeseries-data/588 "2023-03-03T20:08:24Z")
I would like to cross-post here a discussion happening in the Solar community about timeseries data format. I guess planetary projects may have similar issues. --- ## [Mars CTX stereopairs](https://openplanetary.discourse.group/t/mars-ctx-stereopairs/568)
**Author:** [@mikita87](https://openplanetary.discourse.group/u/mikita87)\ **Replies:** 0\ **Last updated:** [September 4, 2022, 8:27pm UTC](https://openplanetary.discourse.group/t/mars-ctx-stereopairs/568 "2022-09-04T20:27:07Z")
Hello! Does anybody know where can I take stereo pairs of CTX images for desired area? For HiRISE UoA has a very good section with already identified stereo pairs e.g. this HiRISE | Mounds and Pits in Residual Ice Cap … --- ## [PDS tabular data to shapefile and images (MESSENGER Magnetic Crustal Field Maps)](https://openplanetary.discourse.group/t/pds-tabular-data-to-shapefile-and-images-messenger-magnetic-crustal-field-maps/547)
**Author:** [@thare](https://openplanetary.discourse.group/u/thare)\ **Replies:** 3\ **Last updated:** [February 15, 2022, 10:04pm UTC](https://openplanetary.discourse.group/t/pds-tabular-data-to-shapefile-and-images-messenger-magnetic-crustal-field-maps/547 "2022-02-15T22:04:53Z")
Quite often PDS “map” data is released in a simple Latitude/Longitude table format. Conversion to another form (say for a GIS) can be trickier than most would think. It can also be hard to visualize some of this data if … --- ## [Discovery of (derived) published planetary datasets, (e.g. on peer-reviewed publications](https://openplanetary.discourse.group/t/discovery-of-derived-published-planetary-datasets-e-g-on-peer-reviewed-publications/320)
**Author:** [@aprossi](https://openplanetary.discourse.group/u/aprossi)\ **Replies:** 0\ **Last updated:** [October 30, 2020, 8:17am UTC](https://openplanetary.discourse.group/t/discovery-of-derived-published-planetary-datasets-e-g-on-peer-reviewed-publications/320 "2020-10-30T08:17:18Z")
Discovering and reusing published data attached to papers (or standalone) There is some initial discussion on the OpenPlanetary Slack of this, but how to discover, access, and (re)use published datasets attached to a pap… --- ## [Update for Python PDS4 reader and viewer](https://openplanetary.discourse.group/t/update-for-python-pds4-reader-and-viewer/316)
**Author:** [@thare](https://openplanetary.discourse.group/u/thare)\ **Replies:** 0\ **Last updated:** [October 15, 2020, 12:39am UTC](https://openplanetary.discourse.group/t/update-for-python-pds4-reader-and-viewer/316 "2020-10-15T00:39:23Z")
New version of the Python PDS4 reader and viewer has been made available from Small Body PDS Node: https://sbnwiki.astro.umd.edu/wiki/Python\_PDS4\_Tools Note pds4\_viewer does not understand map projections. For map proj… --- ## [PDS Announcements and Feedback Requests](https://openplanetary.discourse.group/t/pds-announcements-and-feedback-requests/312)
**Author:** [@jpadams](https://openplanetary.discourse.group/u/jpadams)\ **Replies:** 1\ **Last updated:** [October 1, 2020, 5:43pm UTC](https://openplanetary.discourse.group/t/pds-announcements-and-feedback-requests/312 "2020-10-01T17:43:04Z")
Topic for posting announcements related to the PDS. These may announcements may include training opportunities, new available capabilities, or requests for feedback from the community on proposed updates to the standards… --- ## [Clarifying the Equirectangular projection for PDS4](https://openplanetary.discourse.group/t/clarifying-the-equirectangular-projection-for-pds4/205)
**Author:** [@thare](https://openplanetary.discourse.group/u/thare)\ **Replies:** 0\ **Last updated:** [November 6, 2019, 4:35pm UTC](https://openplanetary.discourse.group/t/clarifying-the-equirectangular-projection-for-pds4/205 "2019-11-06T16:35:38Z")
With the advent of PDS4 there continues to be confusion for the Equirectangular (Equidistant Cylindrical). First depending on the projection implementation this projection can have 3 parameters. Note for planetary we do… --- ## [PDS Data Release Calendar](https://openplanetary.discourse.group/t/pds-data-release-calendar/98)
**Author:** [@emily.s.law](https://openplanetary.discourse.group/u/emily.s.law)\ **Replies:** 0\ **Last updated:** [June 8, 2019, 5:37pm UTC](https://openplanetary.discourse.group/t/pds-data-release-calendar/98 "2019-06-08T17:37:05Z")
For PDS data release, please visit: https://pds.nasa.gov/datasearch/subscription-service/data-release-calendar.shtml --- ## [Reading a PDS4 .DAT file into a Pandas DataFrame](https://openplanetary.discourse.group/t/reading-a-pds4-dat-file-into-a-pandas-dataframe/101)
**Author:** [@cmillion](https://openplanetary.discourse.group/u/cmillion)\ **Replies:** 0\ **Last updated:** [June 14, 2019, 9:23pm UTC](https://openplanetary.discourse.group/t/reading-a-pds4-dat-file-into-a-pandas-dataframe/101 "2019-06-14T21:23:01Z")
The pds4\_tools by the Small Bodies Node does a good job of reading PDS4 standard data formats into Python, but sometimes outputs the data into bespoke formats. I made a little helper function to return the contents of a … --- ## [New Geospatial Data Products](https://openplanetary.discourse.group/t/new-geospatial-data-products/99)
**Author:** [@emily.s.law](https://openplanetary.discourse.group/u/emily.s.law)\ **Replies:** 0\ **Last updated:** [June 8, 2019, 5:44pm UTC](https://openplanetary.discourse.group/t/new-geospatial-data-products/99 "2019-06-08T17:44:06Z")
Announce new geospatial data products release. For example: MRO CTX, Mosaic Global Uncontrolled (Caltech) is available now on Mars Trek at: https://trek.nasa.gov/mars/#v=0.1&x=-20.55099999997765&y=20.55099999997765&z=2&p…