Autodesk CIVIL3D Tutorial - Page 185
Exercise 2: Performing a Mapcheck Analysis with Parcel Labels
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View mapcheck information for a figure 1 In the list view, right-click a figure. Click Display Mapcheck. The figure mapcheck information is displayed in the Figure Display vista. 2 When you have finished reviewing the mapcheck data, click the vista. to close To continue this tutorial, go to Exercise 2: Performing a Mapcheck Analysis with Parcel Labels (page 173). Exercise 2: Performing a Mapcheck Analysis with Parcel Labels In this exercise, you will use the data in parcel segment labels to perform a mapcheck analysis. The Mapcheck command checks the figure for length, course, perimeter, area, error of closure, and precision. It starts at the beginning of the figure and computes the figure vertex XY coordinates for each segment. These computations are based on the actual labeled values, and not the inverse direction and distance/curve data and the Linear and Angle precision (set in the Survey Database Settings). This method of performing a mapcheck analysis is useful as a final check of closure. The data for the mapcheck analysis is taken from parcel segment labels. The precision of the mapcheck analysis is based on the precision of the labels. For more information, see the AutoCAD Civil 3D Help topic Performing a Mapcheck Analysis. This exercise continues from Exercise 1: Viewing Inverse and Mapcheck Information on a Survey Figure (page 171). Set up the mapcheck analysis dialog box 1 Open Survey-5B.dwg, which is located in the tutorial drawings folder (page 819). This drawing contains a small subdivision with several parcels. All the parcel segments on the left side of the site are labeled. Notice that along the cul-de-sac, the line and curve labels have been converted to tags, and their data is displayed in a table on the left side of the site. You will perform a mapcheck analysis on parcel LOT 5. Exercise 2: Performing a Mapcheck Analysis with Parcel Labels | 173