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Line 1: − == Overview == − [[Earth_Observation_Data_Management_System_(EODMS)|EODMS]] has several options for search and download API access as well as automation i.e. Machine 2 Machine. As part of the [https://www.tbs-sct.gc.ca/pol/doc-eng.aspx?id=28108 Directive on Open Government], the Government of Canada is committed to improving its [https://twitter.com/hashtag/opendata?lang=en #OpenData] posture. EODMS API access aims to promote practices per the [https://www.canada.ca/en/government/system/digital-government/modern-emerging-technologies/government-canada-standards-apis.html GC Standards on APIs]. − To find more GC APIs, visit the [https://api.canada.ca/en/homepage GC API site] − − == GitHub Repo - Search and Download in Python == − − [[File:GitHub Logo.png|frameless|link=https://github.com/nrcan-eodms-sgdot-rncan/eodms-ogc-client-py/wiki]] − − Checkout out our [https://github.com/nrcan-eodms-sgdot-rncan/eodms-rapi-orderdownload REST API client] and [https://github.com/nrcan-eodms-sgdot-rncan/eodms-rapi-orderdownload OGC API client] Python repos on GitHub which automate the search and download of images from EODMS. − − == Python Package == − − For any Python developers, we also have a [https://pypi.org/project/py-eodms-rapi/ Python package to access the REST API]. To learn how to use the package, visit [https://py-eodms-rapi.readthedocs.io/en/latest/]. − − == REST API == − − Visit [https://github.com/nrcan-eodms-sgdot-rncan/eodms-rapi-orderdownload/wiki] to find out more about our client to search and download images. To access the REST API directly, see [https://github.com/nrcan-eodms-sgdot-rncan/eodms-rapi-orderdownload/wiki/Directly-Accessing-the-EODMS-REST-API]. − − == OPENSEARCH API == − − === OPENSEARCH Search === − − To see a list of collection names open to GUEST users to supply to the collection query string argument visit: https://www.eodms-sgdot.nrcan-rncan.gc.ca/wes/rapi/collections − − BASIC − − <pre style="background-color:#EEFFCC; border-color:#AACC99"> − https://www.eodms-sgdot.nrcan-rncan.gc.ca/wes/rapi/opensearch/search?collection=Radarsat1&q=* − </pre> − − SPATIAL − − <pre style="background-color:#EEFFCC; border-color:#AACC99"> − https://www.eodms-sgdot.nrcan-rncan.gc.ca/wes/rapi/opensearch/search?collection=NAPL&q=*&bbox=-75.71,45.42,-75.69,45.43 − </pre> − − === OPENSEARCH Order === − − Using a RESPONSE from the OPENSEARCH Search, you can parse out the <code style="background-color:#EEFFCC; border-color:#AACC99">collectionId</code> and <code style="background-color:#EEFFCC; border-color:#AACC99">recordId</code> and submit a corresponding [[#REST Order|REST Order]]. e.g. <code style="background-color:#EEFFCC; border-color:#AACC99">collectionId=Radarsat1</code> and <code style="background-color:#EEFFCC; border-color:#AACC99">recordId=1508207</code> − − − == OPENSEARCH API. Copernicus Hub Inspired. Provides Direct Download. RADARSAT-1 and NAPL, ONLY) == − − This particular flavour of OpenSearch API is heavily modeled after the [[https://scihub.copernicus.eu/userguide/OpenSearchAPI Copernicus Data Hub OpenSearch access program]] to align RADARSAT-1 and NAPL access with SENTINEL access. Each API response comes with a direct download URL (in contrast to the [[#REST Order|REST Order]] API call which invokes a slower archive-pull-and-stage operation. − − QUERY FORMAT − − <code style="background-color:#EEFFCC; border-color:#AACC99">https://data.eodms-sgdot.nrcan-rncan.gc.ca/api/dhus/v1/products/Radarsat1/search?q={searchterms}</code> − − QUERY EXAMPLES − − <code style="background-color:#EEFFCC; border-color:#AACC99">https://data.eodms-sgdot.nrcan-rncan.gc.ca/api/dhus/v1/products/Radarsat1/search?q=footprint:Intersects((-130.496,54.672))</code> − − <pre style="background-color:#EEFFCC; border-color:#AACC99">https://data.eodms-sgdot.nrcan-rncan.gc.ca/api/dhus/v1/products/Radarsat1/search?q=beginposition:[2007-08-20T00:49:50Z%20TO%202007-08-22T10:50:50Z]</pre> − − SEARCH TERMS − − <pre style="background-color:#EEFFCC; border-color:#AACC99"> − producttype which can be SCN,SGF, or SLC for Radarsat-1 − sensoroperationalmode which refers to the beam mnemonic like EH3, F1, W2, SCWB, SCNA etc.. − polarisationmode which is only HH for R1 − ingestiondate − beginposition − endposition − footprint (point and polygon) − </pre> − − The search terms can be used together with AND and OR. There is also support for wildcards, free text searching and other operators: − − <pre style="background-color:#EEFFCC; border-color:#AACC99"> − Wildcard Description − − * any sequence of zero or more characters − ? any one character − </pre> − − <pre style="background-color:#EEFFCC; border-color:#AACC99"> − Operator Description − − AND Narrow search and retrieve records containing all of the words it separates. − OR Broaden search and retrieve records containing any of the words it separates. − NOT Narrow search and retrieve records that do not contain the term following it. − ( ) Group words or phrases when combining Boolean phrases and to show the order in which relationships should be considered. − </pre> − − Heavily modeled after the ESA Data hubs so the following should apply: − <code>https://colhub.copernicus.eu/userguide/OpenSearchAPI</code> − − == OGC APIs == − − To use The following are usage samples of EODMS' OGC APIs with a fully [https://github.com/nrcan-eodms-sgdot-rncan/eodms-ogc-client-py/wiki open source Python client on GitHub]. To find out how to access the OGC APIs directly visit repo's [https://github.com/nrcan-eodms-sgdot-rncan/eodms-ogc-client-py/wiki wiki page] − − == Github Repo - Web Automation with Katalon == − − * A [https://github.com/nrcan-eodms-sgdot-rncan/eodms-scene-retriever Katalon utility] to automate website user clicks for searching and ordering.
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