Re: displaying an image

[Nicholas Jankowski]

On Sat, Sep 12, 2015 at 5:42 PM, Doug Stewart <address@hidden> wrote:

On Sat, Sep 12, 2015 at 5:30 PM, lana frankle <address@hidden> wrote:

I understand that 21 defines the spacing/how many points there are, but why 21?

21 give 21 points from 3 to 5.  including the endpoints, each segment was 0.1 long. You can choose something more convenient if you want more or less detail.