![]() ![]() On the General page in the Properties window, change the Color in the Line properties section.In the X Scale and/or Y Scale section, enter the desired Length in page units. For example, enter 6 inches for the X Scale Length and 1.5 for the Y Scale Length to match the default scaling of a profile.If you see a Surfer Warning telling you the width or height will be less than 0.25 inches, click OK to continue.In the Properties window, on the Scale page, uncheck Proportional XY scaling.Select the Base layer in the Contents window.If you would like to increase the vertical exaggeration, The map is created with proportional scaling.In the Import dialog, select the newly saved BLN file and click Open.Back in the plot window, click Home | New Map | Base | Base.If you wish, you can choose to set values outside of the grid to a specified value, and also to remap NoData values to a different value.If you would also like a DAT file, check the box next to Output DAT. The DAT file differs from the BLN in that it will export the coordinates as well as Z values, where the BLN just exports the distance value and the Z coordinate necessary to create the cross section.Change the file name and/or click the Change Filename button to change the save location. The Output BLN field will be checked by default and is the appropriate file type.In the Slice Line section, either select a base layer created from your vector file or the base layer with the drawn line on it, or click the Browse button to navigate to and select the vector file.In the Input Grid section, either select a grid-based layer created from your grid file, or click the Browse button to navigate to and select the grid file.Additional information about creating a BLN file can be found in the article Create a NoData Polygon or BLN file in Surfer. It is an ASCII format consisting of a header line with the number of vertices, followed by the XY coordinates of the vertices. If you have the XY values for the section line, an easy vector format to create is the BLN format. The polyline can be drawn on the map as part of a base layer, or it can be in a vector file format (e.g. This option extracts a slice through the grid along the trace defined by a polyline. If you wish to edit the location of the Profile line, you can use the Reshape command ( Features | Edit Features | Reshape) on the drawn line in the base layer or you can edit the coordinates of each vertex in the Coordinates tab of the Properties window.Choose the appropriate surface from the Current profile dropdown list in the Properties window, and then edit the line and fill properties for that surface. Select the Profile object in the Contents window.Right click the Polyline in the Contents window and select Add Profile. ![]()
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