I use slope symbols instead of contours to keep my maps less busy. Unfortunetly I can only change my cut style and fill style to slope symbols with grading by right clicking on the little diamond in the grading and selecting grading properties.
I have created a surface with 3d poly lines not by creating grading and got contours that way, How can I create the slope symbols in a surface. I tried xploding them and then creating a block and using the measure tool on the 3d polylines but it doesnt do anything.
Picture 01 is the contours
Picture 1 is the contours turned off and cut/fill styles turned to slope symbols.
i am using civil 3d 2010
This might not be the solution you're looking for, but it would be a time saver if you have a pretty good stretch of grading to mark.
You could do this with a simple corridor using LinkWidthandSlope subassemblies. Depending on how perpendicular the slope markers need to be, make a fake alignment that runs roughly parallel to the feature lines (or else spend the time to stepped offset, explode, convert to 2d, etc if you have to be perfect.) Make a profile that runs generally along the same elevation range as the feature lines.
Create an assembly that uses LinkWidthandSlope to target from the fake centerline to the first feature line. The next LinkWidthandSlope subassy will target the outside feature line.
After you run the corridor, go to Corridor Properties and then Slopes tab. Add your slope pattern. The program will ask you to pick which corridor feature lines to use. Pick them.
If those feature lines change, just rebuild the corridor and the slope markers will update (or leave the corridor on rebuild automatic, that's your call.)
How about the old school way of just manually placing blocks as needed?
I've used this which works fairly well most of the time - not tried with 3D polys though
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