progeCAD Professional manual The low-cost alternative to AutoCAD

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Google Earth

progeCAD Google Earth add-on

To publish your 3D model into Google Earth, you should know its position on the earth's surface. The easiest method to find it is firstly to import a Google Earth area view into progeCAD.

You can import the current Google Earth view into progeCAD and use this raster image as a background for a drawing or, that is more important, to give a geographical reference of your DWG model position on the earth's surface.

Carrying out this command you have to bring an image into progeCAD, and adjust the image position according to your model until you see it is in the proper position on the earth's surface.

To publish a 3d model in Google Earth
  1. Start Google Earth, and zoom to the location on the earth's surface where you want to put your model in.
  2. Be sure you are looking perpendicular to the earth's surface (that is, the view doesn't have any rotation.)
  3. Zoom in to capture enough detail of the location area.
  4. Keep Google Earth maximized. Do not minimize or close Google Earth application.
To import an image in progeCAD
  1. Start progeCAD and open your file 3D in the plan view.
  2. Select the button on the Google Earth toolbar or type importgeimage in the progeCAD Command Line
  3. Set drawing units for picture scaling
  1. After a few seconds, the current Google Earth's view will be imported and placed at the point 0, 0 in the coordinate system of your drawing ( if you can't see it, zoom extents to include all objects of the drawing). The image displayed in the drawing is a JPG file and it is stored in the same directory as the DWG file.
    Your display should look similar to this figure:
  1. The following suggestions may be of help:
  2. Once placed, you can use the progeCAD 'move' and 'rotate' commands to refine your model's position relative to the image. Do not adjust the position of the Google Earth's image. For details, See Rearranging entities.
  3. Use the Draw Order command to send an image below.
  4. The image is black and white - a current limitation imposed by Google Earth.
To use Draw Order command
  1. Do one of the following:
  2. Choose Tools > Draw Order.
  3. On the Tools toolbar, click the Draw Order tool
  4. Type draworder and then press Enter.
  5. Select the entity you want to reorder, and then press Enter.
  6. In the prompt box, specify the new drawing order, and then press Enter.
  7. If you are reordering above or under, select the entity you want the first entity to be above or below, and then press Enter.
Publishing 3D DWG Models to Google Earth
To publish 3D DWG data to Google Earth
  1. Do one of the following:
  2. choose Add-on > Google earth > publish kml
  3. type publishkml
  1. In the dialog box of the command, use the "Get georeference data from picture" button and select Google Earth's image previously inserted to pick your Earth position.If the position and rotation of a model relative to the image are correct, there's no need to modify the orientation of the Y axis to North.
  2. The output file name is given automatically from the DWG file name and directory. The Kmz file generated by export has the same name and it is stored in the same folder as the DWG file.
  3. Select the option Export with Materials to get a model with the materials pre-assigned via O2C.
  4. When you have finished, click on Ok
  5.