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Name your new shape file something like frame.shp Save a Georeferenced Groundplan ImageĪs we have explained above, one element of our site model will be an image When saving, be sure to set Save Files of Type to Shapefile. From the pulldown menu on the Draw toolbar, choose Convert Graphics to Features.Use the Rectangle tool on ArcMap's Draw Toolbar to create a rectangle that will seve as your frame.By the time we get around to exchanfing the model between a number of tools, you will appreciate the utility of having a retangular model with a vector clipping frame that can be used to register the various parts of the model as we move them into various tools that do not support georeferencing. The main reason for the rectangle premise is that the ground plan of the model is going to be exchanged as an image. It is convenient to plan our model with a rectangular boundary. For a deeper discussion of a recommended filesystem, see Organizing Geographic Data for Re-Use. Later, you may add new subfolders to hold the resources that are used and created by other applications. I recommend that you have an outer folder named for your site, and a sub-folder within this to hold your GIS data. With this in mind, we should create a new folder system that will hold all of this work. Later, we may use these data in tools like Google Earth and Sketchup and Adobe Illustrator. We are beginning a new project that is going to include a new GIS dataset.
EXPORTING TERRAIN FROM CITYENGINE DOWNLOAD
Download an already-clipped 3D dataset Create a Folder to Hold your Model Resources.Unzip it in your c:/temp folder and open the file, compilation.mxd in ArcMap 10.0 or better. Click Here to download the sample dataset.The 3D datasets that we extracr from GIS may also be exported to other tools, such as SketchUp, Google Earth, AutoCAD, Rinoceros, and others. In future tutorials, we will see how these elements can also serve as a laboratory for exploring urban design scenarios. At the end of the tutorial we create a 3D model from these that we can play with and generate renderings from a tool called ArcScene. Our clipped dataset is going to include: A Terrain Model, A Ground-Plan Image, Buildings, and a Clipping Frame. From this we will clip out a smaller dataset that we can play with in 3D without over-burdening a modest computer. We are going to start with a large city-wide repository of data representing terrain, buildings and the materiality of the ground. We will look at a few additional types of data that let us represent the form of places in three dimensions, or at least two-and-a-half dimensions! This tutorial will take this a step further. In an earlier tutorial on Digital Elevation Models, we got some experience with GIS data sources that represent the elevation of the terrain. City Modeling Beginning a 3D Modeling Project in ArcGIS