Is there a better way to check if images are the same? I now use imagedata

[William de Smet]

Thanks for the replies.
I just put it on the forum as well and attached an image with it to get a
better idea of what I want to do.
https://forums.livecode.com/viewtopic.php?f=8&t=36585

greetings,,

William




Op wo 29 dec. 2021 om 17:51 schreef William Prothero via use-livecode <
use-livecode at lists.runrev.com>:

> William,
> My basic suggestion is that you use the location data of each connected
> dot, rather than the image data.
> Good luck,
> Bill P
>
> Sent from my iPad
>
> > On Dec 29, 2021, at 8:42 AM, William Prothero via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> >
> > William,
> > I understand that you want to see if the dots that are connected in one
> path are also connected in another path which may have them connected in a
> different order. Seems you could just loop through each dot in the
> reference path, then see if the same dots are included in the user’s path.
> You would need to include a name for each reference point, of course.
> That’s if I understand your problem correctly.
> >
> > Bill
> >
> >
> > Sent from my iPad
> >
> >> On Dec 29, 2021, at 1:58 AM, William de Smet via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> >>
> >> Hi there,
> >>
> >> Is there a better way to check if images are the same?
> >> I now use imagadata.
> >>
> >> In my app I have an example drawn image (5x5 matrix with dots, a
> Geoboard).
> >> These dots are important because by touching them their Loc is used
> >> (gStartLoc and gStartLoc)
> >> Two dots will be connected by setting the points of the last grc to
> >> gStartLoc & return & gStartLoc.
> >> No problem here.
> >>
> >> The idea is that the user copies my example on their matrix/geoboard by
> >> connecting the dots.
> >> To check if the made images (geoboards) are the same I make a snapshot
> of
> >> both and compare the imagadata of these images.
> >> Everything is fine as long as the user connects the same dots as the way
> >> (length between dots) it is done in the example.
> >> Then the imagadat is the same.
> >>
> >> The geoboards can look the same but the connected dots can be different
> in
> >> length so use imagadata to compare these is not the way to get it right.
> >>
> >> Any ideas for a better way?
> >>
> >>
> >>
> >> greetings,
> >>
> >> William
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