This routine creates 3D contour lines from 3D points. It was written for Autocad 2000, so there's no guarantee it will work for your version. See CTM Lisp Notes.

Autocad lisp z value This lisp code will help you automate labeling of z values (in case you received a survey file coming without the z values text on it, or in a case you downloaded from Google earth ) This will also work with Annotative Text a. No attributes, no field and no blocks are involved, just simple Text!

If its your first time using LISP please check this one for simple instruction: or search youtube for “load autocad lisp”. Just download the file and load it with APPLOAD command and type: ZLABEL in the command line to start the program Download Link.

Contour Elevation Label Contour Elevation Label This command can be used to simultaneously create elevation labels on a group of contour polylines at elevation. First the command starts with a dialog with the label options.

Then to place the labels, pick two points crossing the contour polylines at the desired label location. The program will find all the contour polylines that intersect the picked line (defined by the two picked points) and will place labels at the intersection point of each contour. A second crossing line can be initiated immediately, so multiple areas can be quickly labeled while remaining in the command. Alternatively, you can type P for Polyline at the Command prompt and select a polyline. Then the program finds all the intersections between the selected polyline and the contours and places labels at these intersections. The actual 'z' elevation of the contour line determines the label value. Label Layer specifies layer name for the contour labels that will be created.

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Label Style specifies the text style to be used for labels. Horizontal Scale is used in conjunction with the Text Size Scaler to determine unit height of the contour labels. Text Size Scaler is a scaler that will be multiplied by the horizontal scale to set the actual text height of the labels in AutoCAD units. Integers controls how many digits to label to the left of the decimal. For example, if all contours are in the 5000's, then setting for three digits would label the 5280 contour as 280. Decimals sets the decimal precision for the labels to be created.

Label Position determines the label position in relation to the contour polyline. • On Contour centers the label on the contour line. • Above Contour places the label above the contour line. If this option is used, the options for Break Contours at Label and Draw Broken Segments become inactive. Ignore Zero Elevation Polylines enables the routine to filter out all entities with an elevation of zero.