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3

The mechanism for modifying features in OpenLayers 3, similar to OpenLayers.Control.ModifyFeature in OpenLayers 2, has been added to the trunk and is called ol.interaction.Modify. Here is an example of modifying features only. There is also a an example of combining draw and modify together, which uses an ol.FeatureOverlay, rather than ol.source.Vector, so ...


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Take a look at https://osm.wno-edv-service.de/boundaries/ it contains a UI to download all know administrative boundaries from OSM in a variety of formats.


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You don't say how you are opening your JS script in FireFox. I believe this layer type is using Ajax calls. You cannot open the file with file://myfirstmap.html. You have to use a web server to view the map. The problem that you will face with OpenLayers is that some formats like the text/tab/csv format does not use Ajax calls. So you start with these ...


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I'd start with GeoServer on the server side. You just need to put the files on the hard drive, create an ImageMosaic store, then publish whatever layers (perhaps just one) you need. The ImageMosaic is the critical part - that will turn your collection of aerial photographs into a single image. Note that there are likely to be some artifacts where the images ...


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As Vince pointed out in a comment - you could theoretically write code to clip a map/feature service. But that would probably be a lot of custom work. You wouldnt as much be extending the Clip and Ship tool as you'd be writing a custom extraction of JSON from map services. Generally the clip and ship work flow is comprised of 2 services: GP + Map. They both ...


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There are many solutions for your question, some more suitable than others based on constraints such space/memory available in your servers. The client side looks like simple because you do not want to overlay any other layer at this moment, so leaflet or openlayers can help you. The server side is a bit trick, since you need to decide how to provide your ...


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Another option you could explore is using Tilemill to generate tiles from your GeoTIFFs. You can then just put the tiles on a webserver and call them using Leaflet. No need to set up databases or middleware. Basically you load the GeoTIFFs into TileMill and export it as MBTiles. This is MapBox's format for storing the tiles in a SQLite database. You then ...


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I think the application server will be doing very little so I would just go with whatever web framework you are already familiar with. You can configure GeoServer completely using their REST API and you can manipulate/query the data directly from GeoServer using WMS/WFS (preferably with JSONP) without having to touch PostGIS directly. All the application ...


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API choice is related to the scope and purpose of your project, not to mention your budget if you in fact want to use some specific functionality. The other major caveat is your web development experience, and what language you prefer or have interest in. I think the best way to answer your question is to provide a nice listing of API's available to you. ...



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