![]() Here is a link to a paper ('08) discussing GE imagery accuracy from '08. Either make the adjustments for the placement in Arc, or let it ride as is pointing to close enough.When I make a drawing that will be consumed by engineers (who can get salty if they don't see Cartesian axes), I will set a UTM center lat/long to be in the project area to present the coordinate system while maintaining close to cartesian coordinates. You need to have an appreciation for precision for when to pursue it, and when to let it be representational for the data. kmz file and retry the process in ArcMap/Pro. If so, export the KML content again from Google Earth by saving it as a new. The current workaround is to verify that the KML file displays correctly in Google Earth (as you already have). What datum was being used? Any and every projection has areas where distortion that comes into play, sometimes in area calculation, sometimes linear, etc. Then we can verify if you are hitting the above, and attach you to the defect. Their imagery has errors in registration that you just have to deal with. You'll set the Buildings layer to draw according to those values instead of the ground surface.You haven't mentioned the details, but Web Mercator and UTM isn't precise as you think. When you opened the attribute table previously, you saw those values in the Base Elevation field. The Buildings layer is different from the other layers, however, in that it does store elevation values in an attribute field. (The Buildings layer currently appears in the 3D Layers category because you extruded it, not because it has 3D geometry.) I would like to know if there is a way to sync up ArcMap and Google Earth Pro view extents, so that if I pan to a location in Arc, it will be reflected in Google Earth. In this scene, all the map layers are 2D layers. When a 2D map layer is added to a scene, its features display at the elevations defined by the ground elevation surface. ![]() Ĭhange the elevation properties of a layerĪ map layer is 2D if it does not store z-values as part of its geometry. On the Quick Access Toolbar, click Save Project.In the Contents pane, the Buildings layer moves from the 2D Layers group to the 3D Layers group because extrusion is a 3D property of the layer. To learn more about extrusion, see Extrude features to 3D symbology. Features extruded by their maximum height are therefore slightly taller than features extruded by their minimum height (unless the building lies on a flat slope). ![]() All four vertices are extruded to the same height so that the building's roof is flat. Add Geometry Attributes (Data Management)ArcGIS Pro Documentation. If you want planar area, then use the Add Geometry Attributes tool from Arctoolbox. Its minimum height is the elevation of the vertex at the lowest point on the slope. Three-dimensional viewing can provide insights that would not be readily apparent from a planimetric map of the same data. The coordinates of the data are in decimal degrees, hence the areas are in units of the useless square decimal degrees. The feature's maximum height is the elevation of the vertex that is at the highest point on the slope. If you wish to use Google Earth’s new 3D terrain that includes buildings and trees, download this KML file, which sets the field of view at. The easy option is to turn 3D buildings and terrain off. If youd like to upload the image into an existing folder or collection, prefix the asset ID with the. Give the image an appropriate asset ID (which doesnt already exist) in your user folder. Click the SELECT button and navigate to a GeoTIFF on your local file system. To understand what that means, imagine a square building feature, defined by four vertices, lying on a slope. The steeper the terrain, the more the image edges won’t line up due to the perspective view. Earth Engine presents an upload dialog which should look similar to Figure 1. You applied the extrusion to the feature's maximum height (Max Height).
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