Qgis Rubber Sheeting
Active 1 year 1 month ago.
Qgis rubber sheeting. The overflow blog getting started with contributing to open source. On the edit tab in the snapping group enable your snapping preferences. Before proceeding with georeferencing in quantum gis we need to activate the appropriate plugins. In cartography this is known as rubber sheeting because it treats the map as if it were made of rubber and the control points as if they were tacks pinning the historical document to a three dimensional surface like the globe.
Ask question asked 6 years 1 month ago. Before aerial photography arrived most maps were highly inaccurate by modern standards. For steps to transform features using affine or similarity transformation methods see transform features. Browse other questions tagged qgis postgis or ask your own question.
In cartography rubbersheeting refers to the process by which a layer is distorted to allow it to be seamlessly joined to an adjacent geographic layer of matching imagery such as satellite imagery most commonly vector cartographic data which are digital maps. Rubber sheeting is a useful technique in historical gis where it is used to digitize and add old maps as feature layers in a modern gis. Rubber sheeting polygon collection into another using postgis. A few of our favorite haxx.