Sandbox - grid spacing not working right


According to “Creating a flat rectangular TIN” (visible if you scroll down a bit in , I’m supposed to be able to edit the default (10’) Sandbox grid spacing during the last of three steps required to create a grid. The first two steps - creating the 2D grid - work as expected, but entering a grid spacing into the box (third step) either does nothing, or lops off the grid to the size I’ve entered.

My actual intended use: I create an 800’ x 900’ grid (first two clicks), then edit the grid spacing to 25’. Result: The 800’ x 900’ grid comes up, with the default 10’ spacing. Entering 25’ in the last step to change grid-spacing changes the value-box entry, but leaves the grid exactly as it was before, with the default 10’ spacing.

My generic test: create a 100’ x 100’ grid (first two clicks), then edit the grid spacing to 20’. Result: a total dimension of 20’ x 100’, grid spacing still at 10’.

If this is a bug that I’m stuck with, I’m wondering whether there’s really any great magic to the grid once it’s created to my specs ANYWAY - or if I can just do the same thing “manually,” eg by drawing lines and then multi-copying them over my specified intervals along X- and Y-axes. My intent was to manually enter DTS values from an autocad file, shown on a 25’ grid, in order to do a volume calculation for the ‘terrain’ to be removed to reach the design contours. (Seems like I could have done it by now using that manual method, vs. all the futzing with the non-working grid…)


1, Select ‘From Scratch’
2. Enter the desired grid size.
3. Pick starting point of grid
4. Drag to define ‘X’ direction’ and enter total width.
5. Drag to define the ‘Y’ direction and enter total height.


Yes, the last step (5) should be the first, after activating the tool


Thanks, that did work - though it’s not in that sequence in the tutorial for some reason. The VCB says to ‘enter grid spacing’ both before and after the X and Y axes are in place, which fuels confusion. Usually I just jump into tools like this and see how they work, but this time I started with the tutorial…that’ll teach me.


?? sdmitch’s sequence seems right now that I’ve tried it that way. Maybe you mean that according to the instructions in the tutorial, it appears that (5) should be first?


It is a little confusing. It’s just that the tool doesn’t end after the grid is created. You can start another grid with a different spacing immediately after completing the first one.


I got busy with other stuff and just getting back now - to find that Smoove worked for about a minute while I was getting my bearings with it, before going on strike. I tried undoing a couple of things, never got any tool function back. I closed the file without saving, then re-opened - same deal. I can’t select anything after clicking on the Smoove tool. Even a new file with a new grid - can’t touch it with the Smoove tool. Any ideas?


Are you trying the tool on vertices in the editing context of the grid? It does work on raw geometry, not on the outside of grouped geometry.


I see what you mean now. I must have missed the part where I should have triple-clicked into the raw geometry to use the tool. Thanks.