Unless we can figure out how to set the grid origin using a single origin, I don't see how we can get rid of it. One thing we have done a poor job of is providing an easy way to clear the grid origin. I would like to see a reset grid origin menu entry.
On 5/18/19 2:22 PM, Jeff Young wrote: > I agree that we want one movable origin, but I don’t think we need two. > The local origin should work fine for placing components relative to > each other, routing, etc. > >> On 18 May 2019, at 18:59, Reece R. Pollack <[email protected] >> <mailto:[email protected]>> wrote: >> >> Once you establish a base coordinate origin, you really don't want >> that moving. All the mechanical holes, notches, connectors, switches, >> clearances, and other locations are measured from that origin. Moving >> during layout risks placing a component in the wrong spot. >> >> The movable grid origin is extremely useful for placing components or >> routing tracks relative to each other. It's a feature I suspect many >> people use and depend on. And no, you don't want to move the base >> origin for this and then hope you move it back to exactly the same >> spot later. >> >> The "local origin", the one you set with the space-bar, is handy for >> measuring distances without needing to use a measuring tool. The "Move >> Exactly" dialog uses this to good effect to allow rotation about a >> spot, though one might argue that the grid origin could easily be used >> for this. >> >> I'm just finishing up a set of patches that allows the user the option >> to see all coordinates displayed relative to the Aux Origin or the >> Grid Origin. The only real complexity in this is the need to pass a >> reference to the transformation class down to all the places its >> needed, just as you had to pass the user's units choice to those same >> places when you removed g_UserUnit last year. This keeps all the >> transformations from the internal origin to a display origin and back >> in one place. With this in place, doing things like allowing the user >> to choose to make the Y-axis increase UP rather than DOWN is trivial >> (which I've already done). >> >> The origin that is utterly useless at present is the page origin >> somewhere near the upper left corner of the paper drawing frame >> surrounding the board layout. If you could lay out a board so the page >> origin was usefully related to the board's dimensions this would be >> okay, but right now you end up with the paper page's "frame" >> overlaying your board. Get rid of the frame and everything else >> associated with the layout being a paper drawing rather than a digital >> model of the PCB, and we don't need the Aux Origin. >> >> -Reece >> >> On 5/18/19 1:17 PM, Jeff Young wrote: >>> Hi Eeli, >>> >>> I’d argue that you explained what it was useful for, not why it is >>> “needed”. I can understand offsetting the grid; I can’t say I >>> believe it’s important enough to support the code and UI complexity >>> that it brings. >>> >>> Cheers, >>> Jeff. >>> >>> >>>> On 18 May 2019, at 14:12, Eeli Kaikkonen <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> >>>> >>>> la 18. toukok. 2019 klo 13.38 Jeff Young ([email protected] >>>> <mailto:[email protected]>) kirjoitti: >>>> >>>> We need fewer origins. >>>> >>>> I like the name Coordinates Origin, but why do we then need a >>>> Grid Origin? And why a setting for the displayed coordinates? >>>> Shouldn’t that always be the Coordinates Origin? >>>> >>>> Cheers, >>>> Jeff. >>>> >>>> >>>> I think this was already discussed in >>>> https://bugs.launchpad.net/kicad/+bug/1773638 and I explained why >>>> distinct Grid Origin is needed. >>>> >>>> Eeli Kaikkonen >>>> _______________________________________________ >>>> Mailing list: https://launchpad.net/~kicad-developers >>>> Post to : [email protected] >>>> <mailto:[email protected]> >>>> Unsubscribe : https://launchpad.net/~kicad-developers >>>> More help : https://help.launchpad.net/ListHelp >>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~kicad-developers >>> Post to : [email protected] >>> Unsubscribe : https://launchpad.net/~kicad-developers >>> More help : https://help.launchpad.net/ListHelp >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~kicad-developers >> Post to : [email protected] >> <mailto:[email protected]> >> Unsubscribe : https://launchpad.net/~kicad-developers >> More help : https://help.launchpad.net/ListHelp > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : [email protected] > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
