Change -S output layout depending on input pts in -S

[codecov-commenter]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (86ba353) 90.34% compared to head (34815f3) 90.30%.

Files	Patch %	Lines
src/grdinterpolate.jl	0.00%	8 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1348 +/- ## ========================================== - Coverage 90.34% 90.30% -0.04% ========================================== Files 133 133 Lines 16696 16701 +5 ========================================== - Hits 15084 15082 -2 - Misses 1612 1619 +7 ```

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