Download OpenStreetMap data -> connection refused

How do I download data from OpenStreetMap? Go to openstreetmap.org and zoom to the extent of your area of interest using the search box or the mouse. Click on Export Data in the sidebar on the left to bring up the Export pane. If you are satisfied with the visible extent, click Export. You will

How to merge layers from two vector tiles with Mapnik?

What are vector tile layers? A vector tile layer references a set of web-accessible vector tiles and a corresponding style that dictates how the tiles will draw. Vector tile layers are similar to web tile layers, but they store a vector representation of the data instead of a raster representation. What are vector map tiles?

Converting native point datatype into Geometry(Point,4326) using PostGIS

What is PostGIS 4326? The units for spatial reference 4326 are degrees. So our answer is 122 degrees. What is PostGIS type geometry? geometry is a fundamental PostGIS spatial data type used to represent a feature in planar (Euclidean) coordinate systems. All spatial operations on geometry use the units of the Spatial Reference System the

Writing if statement into ArcGIS Online Operations Dashboard / list options to configure style according to attribute value?

How do I customize my ArcGIS dashboard? Create a dashboard Click the Apps button. in the header of your site and click ArcGIS Dashboards. Click Create Dashboard. Provide a title for your dashboard. Optionally, specify search tags, a summary, and a target folder. Click Create Dashboard. How do I count unique values in ArcGIS dashboard?

Viewshed analysis of two buildings

How is viewshed calculated? A viewshed is created from a DEM by using an algorithm that estimates the difference of elevation from one cell (the viewpoint cell) to the next (the target cell). To determine the visibility of a target cell, each cell between the viewpoint cell and target cell is examined for line of

Getting ArcGIS Pro’s default elevation data (z-value) as layer

How do I enable Z values in ArcGIS Pro? How To: Enable z-values on an existing shapefile Add the Output table to the ArcMap document, and right-click the . dbf file in the Table Of Contents > Display XY Data. In the Display XY Data dialog box, set the X, Y, and Z Field values,

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