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Expertgps closes after importing map11/23/2023 So if you've centered the map on the approximate location of the DXF data, you can scroll through the list of formats available for your area and see which one best matches the X,Y values in your DXF. When you click the Add button to add a new coordinate format, you'll see a sample of each format's X, Y values at the bottom of the dialog, showing the coordinates in that format which will be displayed for a location at the center of the map. If both X and Y are six digits, the format is probably state plane or your national grid. If the Y values are seven digits but the X values are six digits, the format is probably UTM. Most CAD drawings will use UTM coordinates, US State Plane Coordinates, or your country's national grid. X values between -180 and 180, and Y values between -90 and 90 suggest that the DXF uses latitude and longitude, but this is rare. The minimum and maximum X and Y values from your CAD file are displayed here to assist you in determining the correct coordinate format to choose if you aren't sure what format was used when the drawing was created. Specify whether the Z values (elevation) in your DXF drawing are in meters or feet. Select or add the coordinate format that matches the X,Y values used in your CAD drawing. To import your DXF, click Import DXF on the Convert menu, and select a. Importing DXF Files that use a Well-Known Coordinate Format Geographic coordinates, so your data appears in the correct location.įor best results, pick your points from opposite sides of your drawing (first point from upper left, second point from lower right, for example). ExpertGPS will thenĬalculate how to transform all of your data from X,Y CAD space to In your CAD software, switch to the Model view and determine the X,Y valuesįor those two points and enter them as well. Enter those two geographic coordinates on the right side of Click Import DXF with Local Origin on theĬonvert menu. Click Import DXF on the Convert menu to convert these files.įor #2, you'll need to determine the geographic coordinates of two The drawing of a building's footprint mightįor DXF files that fall into category #1, you can simply select the coordinate format and datum inĮxpertGPS to match that used in your CAD software, and the data will DXF drawings that use a specific scale (like 1"=20') and have anĪrbitrary X,Y origin. Of highway construction use TX state plane coordinates.Ģ. For example, in Texas, all of the DXF drawings DXF drawings that come from a CAD software that uses geographic coordinates, like When importing DXF into ExpertGPS, there are two categories of DXF files:ġ. dxf from AutoCAD or your CAD drawing software first. Importing DXF and AutoCAD Files into ExpertGPS ProĮxpertGPS Pro can import DXF from AutoCAD and other CAD packages, and you can use ExpertGPS to convert your DXF to KML and other formats, and to send CAD points and polylines to your GPS as waypoints and tracklogs.
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