I'm looking to search Data.gov and using the CKAN API for this. as a start I want to do a simple text search like this one for environmental data. some questions related to this:
- It appears that every API response includes a JSON piece with help information. can this be excluded?
- The response does not appear to include information on the total number of hits. how can API clients get information on this total number of hits of searches?
- Does the CKAN API support spatial selection criteria as seems to be implemented at data.gov? it appears the catalog.data.gov UI does do some form of spatial filtering (within/overlap is unclear), but the API returns an error when using the ext_bbox parameter: "Search Query is invalid: "Invalid search parameters: ['ext_bbox']""