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ogc-specifications
The package ogc-specifications is a implementation of the OGC Web Service Specifications as defined by the OGC. This package has support for the following OGC Web Service Specifications Operations:
| Spec | Version | Operation | Request | Response |
|---|---|---|---|---|
| WMS | 1.3.0 | GetCapabilities | ✔ | ❕ |
| WMS | 1.3.0 | GetMap | ✔ | |
| WMS | 1.3.0 | GetFeatureInfo | ✔ | |
| WFS | 2.0.0 | GetCapabilities | ✔ | ❕ |
| WFS | 2.0.0 | DescribeFeatureType | ✔ | |
| WFS | 2.0.0 | GetFeature | ✔ | |
| WMTS | 1.0.0 | GetCapabilities | ✔ | ❕ |
| WCS | 2.0.1 | GetCapabilities | ✔ | ❕ |
Purpose
It will provide the user with OperationRequest, Capabilities (and limited to GetCapabilities OperationResponse) structs for the different OGC specifications that can be used with in a developers application, so one doesn't needs to create/build those complex structs for 'every' application that has more then 'simple' interaction with a OGC Web Service. It will allow the developer to parse XML documents and query strings like they are defined in the OGC specification an build go structs with it and it will generate XML documents and KVP query strings based on those structs.
The different packages follow the same relations that are defined in the OGC specifications. For example the WFS 2.0.0 and the WMTS 1.0.0 share the underling WSC 1.1.0 package.
OGC package relations
Notice
⚠ This is still a 'work-in-progress' with the following major to do's:
- WFS StoredQuery support
- WMTS GetTile support
- WCS GetCoverage support
- OGC response support for metadata calls like GetCapabilities and DescribeFeatureType
- Sufficient validation support
- Cleanup YAML parser
- WMS Time & Elevation parameters
Installation
go get github.com/pdok/ogc-specifications
import a specific ogc specification like wms of wfs.
import wms "github.com/pdok/ogc-specifications/pkg/wms"
import wfs "github.com/pdok/ogc-specifications/pkg/wfs"
Test
go test ./... -covermode=atomic
And for benchmarks:
go test -bench=. ./...
And generate CPU & MEM profiles:
go test -cpuprofile cpu.prof -memprofile mem.prof -bench=. ./...
For visualization use pprof
Usage
Concept
THe idea is that OGC Webservice requests, both GET and POST, can be deserialize
to structs. Because the POST request contain a XML body they can be
directly unmarshelled to the 'matching' struct. The GET request have a number
of predefined Key Value Pairs (KVP) in their querystring that need to be
consumed for building the struct.
From the created struct one can:
- Validate the struct itself (grammatically)
- Validate the struct against a Capabilities document (context)
- Generate a new request object (formatting)
How to Contribute
Make a pull request...
License
Distributed under MIT License, please see license file within the code for more details.
Directories