![]() Hit OK and you have a new shapefile with just the motorways you selected. Browse to the directory where you want the shapefile to be, give the new file a name and choose shapefile as the type of file to export. Once all of your Motorways are selected, you can right click the layer in the Table of Contents and choose Data then Export. ![]() ![]() After you have the correct layer as your target build an SQL expression to do the selection. You can use either the Selection menu item for Select by Attributes or open the layer's table and use the Select by Layer in the table. How can I extract the information I need and save it in a different projection from the one the initial shapefile has?įirst I assume there is an field in the attribute table that classifies the roads to that you can create a query to select the motorways only. FeatureCollection objects contain sets of features.I am a new user of GIS and I have a polyline shapefile with roads in GCS_WGS_1984 geographic projection and I want to extract part of it (only the motorways) in a new shapefile with projection Lambert Conformal Conic in order to calculate the length of each polyline. Geometric objects with additional properties are Feature objects. GeoJSON supports the following geometry types: For example, mobile routing and navigation apps might describe their service coverage using GeoJSON. GeoJSON features are not only used to represent entities of the physical world.
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