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To import a 3D model object into Echoview and add it to a scene: Model settings cannot be changed after being imported Model not added to EV file and the original files must continue to be available in the folder from which they were imported Typical use: adding of visual cues to 3d scenes, for example a boat, or an abstract pointer or marker.Ĭore functionality implemented with the following restrictions: In the model file, all coordinates will be interpreted as meters in one of the three orthogonal directions, based upon the axis mapping you choose when importing. Imports the model maintaining the link with the obj file. In early development stage, only geometry (triangles and vertices) is read Imports triangulated irregular network (TIN) surfaces Only geometry (triangles and vertices) is read Only useful if 3D objects are closed polyhedra In the model file, two of the coordinates will be interpreted as degrees of latitude and longitude and one as altitude, based upon the axis mapping you choose when importing. You have three options when importing 3D model objects: If this is not the case, some metrics will be calculated incorrectly, notably volumes may be negative if all faces are recorded with the opposite winding.
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This is a standard form of object representation in 3D graphics. Warning: Echoview assumes that all faces have vertices listed in clockwise order as seen by a viewer standing inside the object looking out towards the face (termed: clockwise winding). The model will be placed as-is in (projected) 3d space, with the origin of the models' coordinate system positioned at the reference point.
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A scaling factor can be defined, and a reference point. It is assumed that the model is defined in an orthogonal cartesian coordinate system, with units of either meters or degrees based upon your choice of conversion and axis mapping during import. Importing 3D model objects Importing 3D model objectsĮchoview allows you to import 3D model objects (.