Abstract
When creating set of orthophoto maps from mosaic compositions, using airborne systems, such as popular drones, we need to publish results of the work to users. Several steps need to be performed in order get large scale raster data published. As first step, data have to be shared as service (OGC WMS as view service, OGC WCS as download service). But for some applications, OGC WMTS is handy as well, for faster view of the data. Finally the data have to become a part of web mapping application, so that they can be used and evaluated by non-technical users. <br><br> In this talk, we would like to present automated line of those steps, where user puts in orthophoto image and as a result, OGC Open Web Services are published as well as web mapping application with the data. The web mapping application can be used as standard presentation platform for such type of big raster data to generic user. The publishing platform – Geosense online map information system – can be also used for combination of data from various resources and for creating of unique map compositions and as input for better interpretations of photographed phenomenons. The whole process is successfully tested with eBee drone with raster data resolution 1.5-4 cm/px on many areas and result is also used for creation of derived datasets, usually suited for property management – the records of roads, pavements, traffic signs, public lighting, sewage system, grave locations, and others.
Highlights
When creating orthophoto maps with hight resolution airborne systems, such as popular flying drones, we are creating large amount of data, which we need to serve to the end user
Orthophoto images are usually stored in the GeoTIFF (2000) format
User clients are interacting with the mapservers via standardized interface, preferably based on OGC OWS services (Open GeoSpatial Consortium Open Web Services), such as WMS (Web Map Service, OGC WMS 2006,) or OGC WCS service is build on top of them – tiled cache service (e.g. OGC WMTS – Web Map Tile Service, 2010)
Summary
When creating orthophoto maps with hight resolution airborne systems, such as popular flying drones, we are creating large amount of data, which we need to serve to the end user. As they are build nowadays, data have to be served using PNG (W3C, 2003) or JPEG (2016) formats. Orthophoto images are usually stored in the GeoTIFF (2000) format.
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