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Why not just use county shapefiles from the Census Bureau? The Census recognizes those independent Virginia cities as both cities and as independent counties for the purposes of geographic distinction. Here is a list of the areas designated at the county level by the Census Bureau for the state of Virginia. You can find shapefiles for all counties here.


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3D is not (yet) implemented in QGIS, but you can store the height in an attribute table field and create a 3D output manually with ogr2ogr -z_field fieldname outside QGIS. See Is it possible to create 3D dxf with OGR? for an example. This is rather 2.5D, because all vertices of a line must have the same elevation (as contours have). In QGIS, you could use ...


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One presumes you are already familiar with Section508.gov but those who may find this later may not be. For general accessibility resources see The Accessibility Project although that is primarily focused on web accessibility. For more cartographic specific accessibility tests consider the Colour Contrast Analyser and Vischeck.


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I think your problem is related to this question, this answer and this bl.ock. at least one issue is that you haven't defined #infowindow_template, but you can get a simple onclick popup of the country name by adding the following: cdb.vis.Vis.addInfowindow(map, layer.getSubLayer(0), ['name']); in place of: sublayer.infowindow.set('template', ...


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I found the problem, I added ol.interaction.Select({condition:ol.events.condition.mouseMove}) which prevents map dragging. The vector-layer.html example solves navigation issue with mouseover interaction


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This is a link to Google's documentation on how to allow users to draw polygons and other shapes on a map: https://developers.google.com/maps/documentation/javascript/drawinglayer The basic steps are: Add a drawing tool to the map. https://developers.google.com/maps/documentation/javascript/examples/drawing-tools Add a listener event for when the ...



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