Coordinate geometry (COGO) is a method of inputting surveying or engineering data into GIS databases. The data typically consist of coordinates of points, distances and bearings between points, arcs and curves, point identifiers, and additional descriptions.
The first step is capturing the COGO information in a structured manner. Each traverse (collection of COGO data points and directions) will be captured as a group. The users will have the option to add new directions, new geolocated points, new arcs or curves, and other COGO events to the traverse. Using the OpenLayers COGO feature generator the traverse can be visualized as line in real time to allow users to see progress.
Funding
This roadmap item is currently unfunded.
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Other Roadmap Items
GeoExt should provide components that make it easy to export the current map to a variety of formats. Foremost among these is embedding the current view to a webpage or blog. Past that it would be great to export in a variety of formats, like Google Earth, PDF, or as another GeoExt application with alternate controls.
Editing Toolbar and Components
Funded: While there is rich editing available in OpenLayers there are now good default toolbars to make use of these in GeoExt that work well with the different OpenLayers persistence mechanisms.
Creating new geometry from COGO directions is a common use case for web editing tools in county and municipal jurisdictions. This work item will create a GUI for users to enter COGO directions and return traverse data model suitable for converting to a feature or serializing to a database.