I had one of those Third Semester Calculus Moments over the weekend. Suddenly, I saw everything as a corridor. I have always seen roads, streams, swales, berms, walking paths and others as corridors. But what about Parking Lots? Sanitary Lagoons? Gumby? I began wondering if everything could be explained in terms of a Corridor. Easy ones- trash cans, pencils, sure, but what about cars, Barbie Dolls, cheesesteaks?
The key–the real key is–you must think in profile.
When I first watched the webcasts about making intersections…and they said you had to profile your gutter line around the intersection, I thought they were NUTS. I couldn’t think that way! I could only think with a red pencil, a scale and a model space check plot.
Then I did it a few times. And suddenly, I understand the world better in profile.
Everything done here could be done with a combination of feature lines and grading objects, but think about revisions. Feature lines in small doses are easy edits, but not large batches. And they don’t react to each other. However, if I grip edit a profile that represents the curb around a median, I’m in business. And the “edit profile geometry” interface isn’t much different from the feature line editor anyway.
Don’t forget your Reference and Expression Labels.
Here are some screen captures and ideas on how you can build a corridor to model just about anything- if you use your imagination. And here is a hint- don’t get caught up in making every single inch of your site an assembly. Just let the TIN figure it out in the open areas.