Hi,
i'm new to Mathmap, i've installed all expressions, examined which ones could be useful for me, then removed from the expressions folder (user\.gimp-2.8\mathmap\expressions) those i guess not to use; when i launch gimp i found under filters\generic\mathmap\ all the sub-menus with all the entries, even those removed, while if i use the sub-menu mathmap itself - as you suggest - everything is OK : i found only those expressions names i've selected. What is the reason to continue having the full list? should something be removed from somewhere else?
Many thanks (and thanks for the extra-expressions!)

Did you re-boot your pc. Sometimes I have to do that to clear things that I have deleted. If that doesn't work, I am sure someone will come along with the answer you want.
Welcome to Gimp Chat.

I suppose the extra menu items are gone now

Anyway i suggest you to avoid to call MM from submenu EXCEPT mathmap/mathmap (is at the very bottom ) because is the only that allow to access to the full interface and at any filter you wish

Yes Pc you are probably right. Here is a screen of it. This is the way I go into MM too.

yes that scrolling all down
If you start MM from there you may confront different filters , and access to tabs and option that are not available in other way

in other word as example you may click Mathmap/mathmap then chose in the filter list Distort/Sphere if you not happy try Map/sphere and Map/sphere with reflex or what else

Instead if you call Mathmap/map/sphere from the menu you may use only that ,or quit
and are other "advanced" option not available, basically no advantages to use that other submenu calls seem there just to confuse

Thanks to everybody.
To Molly: yes, i did restart my PC: unwanted sub-menus and entries were and are still there (obviously unusable, because if you call one of those the expression is not in).
To PC: yes, i will use always the last entry, both because it's more flexible and because there are only my selected expressions listed.
But...my curiosity is still there: from where does gimp (and/or mathmap) take the unavailable entries?

I think if you have deleted those entries from your user folder, then they are no longer available for call up from MM.

Hi Molly, i know the deleted entries are no more available for call up (i wrote that in my previous msg), but: do you have an idea why they still show up? if you have my environment (win 7 32 bits) you may try by yourself: take a complete sub-menu out from the expressions folder, for instance "colors", then restart gimp and you will still see "colors" in the sub-menus list of generic\mathmap...

Post Scriptum : GOOD NEWS!
Molly, i found the solution: i deleted the "pluginrc" file from my .gimp-2.8 folder and now i see only my selected entries!
Maybe this info can be useful for somebody else who adjust plugin list of possibilities...

Very good dinasset, I am glad you worked it out

I have done this for

Wow Graechan!
you gave me an unvaluable info: i can change menu of plugins using pluginsrc! i was just complaining not to have within the plugins the possibility available in scripts, i.e. modifying path reference; now with your info i immediately tried and changed all the references for mathmap from generic\mathmap to simply mathmap and i see it now directly under filters;
thanks a lot (maybe somebody else will appreciate your info)

The pack (In the very first link on first message) contains all mathmap fiters , the standard set and all the others including many created after the last build of MM, that was quite long ago

The last 4 were presented here in gimpchat from its author but ...for my bad memory i can't remind his name, yet searching this board for " mathmap" you should find their presentation

and if you have MM open you may try to look to the filter text, yes text you obviously don't want look in unknown codes but in the "text" of the filters are also often comment that may include good tips for the use, comment lines ,for MM filters Always start with # as prefix i.e.

# this is a comment line
this not because didn't start with "#"

and Mathmap allow to see on the fly the filter code just

1)you should have a image open
2)start mathmap WITH THE FULL INTERFACE from Filters/Generic/Mathmap/mathmap (see mathmap twice )
3)chose the filter as example Animation/Animated Sphere
4) now click to open the "expression " tab
Done there you may read the code and what may be more useful the comment lines

that in this case are well done and explains the function of each single sliders or command in the filters
Alas not all filters are so nicely commented as Droste or Animated Sphere but is always worth to try to see if there there is some useful comment ,at least a line explaining what the filter is for

Are these expressions different from the default ones? I'm asking because I don't want duplicate filters.

@mackenzieh, if you download and install Kevins test for duplicates, run that and it will check for duplicates, works well for me.

Thanks Molly. I decided not to use the extra math map expressions. Looks like I have all of them included. Now I just have to play with mathmap.

Has anyone tried using mathmap for Gimp 2.10.6?

Hi mackenzieh.
"Has anyone tried using mathmap for Gimp 2.10.6?"
MathMap is working on the Gimp 2.10 series but only on Linux as far as I know.
http://schani.github.io/mathmap/
There are Ubuntu and Fedora packs but no Windows.

I did a tutorial video on using MathMap Composer here.

Mathmap for Windows works in GIMP 2.10.x but the display of controls like sliders are blank (still there, but you cannot see them; have to just adjust with your mouse anyway and guess at position). Not ideal, but there's no one who knows how to compile Mathmap for 2.10x that I know of Mackenzieh. As a side note, for some reason, GIMP 2.8x no longer works for whatever reason, so now I'm unfortunately now all in for 2.10.x (yes; could have continued to use the portable version of GIMP, but I prefer the full download installs). Not sure what happened but I suspect it happened after an OS security update. Oh well.

Thanks, Lyle. I was just curious if the plug in was still viable. If no one knows how to compile Mathmap for 2.10x, then why is it still here?