Set the Minimum contour to the value of the first contour line you want displayed on the contour map. When the Level method is set to Logarithmic, the colormap for the filled contours automatically changes to use a logarithmic scaling, as well. To set the Level method, click on the existing method and select the desired method from the list. Advanced options are explained on the Contour Map Advanced Levels Dialog page. Advanced allows individual lines to have labels, hachures, fill, and line properties set individually. Equal area separates the map into approximately equal area bins and creates contour lines at the bin boundaries. Logarithmic uses a log(10) interval to display the contours. Available options are Simple, Logarithmic, Equal area, and Advanced. The Level method determines which options are available for setting the contour map contour line properties. The General section controls the method used to create the contour lines, the minimum contour value, maximum contour value, contour interval, how many minor contours are in a major contour interval, and the display of the color scale bar. The Data range displays the Z minimum and maximum values read from the grid file. LVL file, you must use the Advanced setting.Īdjust the contour map contour line properties on the Levels page in the Properties window. Some settings require the Level method be set to Advanced. However, when switching the Level method from Advanced to Simple, Logarithmic, or Equal area it is likely that some level customizations will be lost. When switching the Level method to Advanced, all current Simple, Logarithmic, or Equal area options are initially shown in the Levels for Map dialog. To use logarithmic options, change the Level method to Logarithmic. In the Properties window, click on the Levels tab. To use the simple options, click on the contour map to select it. Display Simple, Logarithmic, or Equal Area Options The advanced option is useful when more control over individual contour line properties is desired. The levels can be set using a simple, logarithmic, equal area, or advanced method. The contour map properties Levels page controls the display of contours, contour labels, and color fill on the contour map.
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