Hi, Try https://easyeda.com/Doc/Tutorial/API.htm#EasyEDA-API-Plug out.

Hi, I was rather hoping not to have to write my own! I guess that is the way it is going to be. Regards AlanC

@AlanC, I have no problem snapping PCB footprints and traces to whatever I set my snap distance to. Works for me in Chrome and Firefox using EasyEDA version 3.5.7. * Are you sure that you have got the grid snap turned on? ![enter image description here][1] [1]: /editor/20160530/574bfd8576030.png

Hi Andy, Yes the Grid Snap is on and I have set the Snap Size to 100mil. This is what I get (and it is not always consistent between components). ![Off_Center][1] I can fix it here: ![Off Centre Fix][2] But this is a pain. So what am I doing wrong? I can write code but it takes time to come up to speed with the language, I am hoping its a setting or something similar.I am not lazy to write code but I want to get the interface and work flow under control first. Regards AlanC [1]: /editor/20160530/574c1d47c7203.png [2]: /editor/20160530/574c1d75cd699.png

Is this a problem with all or just some of the footprints? If just some, can you post which parts you are seeing this problem with?

Hi, No it is a problem with all parts (footprints). Basically I create the PCB and when I place the parts they are off grid (even with the snap on). Let me delete the PCB and double check that it is still happening - It may be the classic new user bug! AlanC

Hi Andy, Okay found the problem. If I select a group of components (to place them on the board) and rotate them I get the problem (small off grid offset). If I select only one component then it is fine. Playing around with group rotations I find that the label (U1, R1 etc) is used in the centre of rotation calculation. If I move it towards the centre (away from the boundary) the group rotation works. For single components the label is not being used. That explains why the offset is not the same for all components (as I did not select all components in one hit). It also tell me that it is not a setting problem (it is a coding bug) and I will need to write a script to fix it OR don't do group rotations. Regards Alan

Hi, This is maybe not a code bug. When group select, the center point is the group parts, not the every part , so after group rotation will cause such problem. The center is changed.

Hi Dillon Yes understood. But the label is not used for a single part for determining the centre of rotation. But labels are used for a group for determining the centre of rotation. This is easy to test by moving the label and then rotation the part or parts. So the code is inconsistent. I can understand why the programmer did not use the part label for single part rotations, it would have been identified immediately as a "bug". Really, the label should not be used for group rotations. As this will changes with the part number/id so it will generate varying offsets. If the label is not used, then (mostly - I understand that there will be cases that will fail) the grid alignment would work or at least be only 1/2 a grid off (as the parts are place on the grid initially). A cheat (not really suggested) would be to round the group centre to say 1/2 a grid. Anyway, its only a suggestion - I can work around the problem now that I understand it. Regards AlanC

Thanks, BTW, you https://easyeda.com/AlanC/R6502B-5j3XQKqWe is nice

@dillon Thanks - Still working on it. Having a horrible time at the moment. Can't get the Nets working (in the Design Manager). Two (out of three 74LS00) of the IC power supplies just won't clear (yes I found unhide hidden pins). I also noted that a number of my nets are GND even though they are not?! Deleting them and redoing them does not help. Currently replacing all the IC with with something similar but different (perhaps it's a bad IC). Somehow I shifted my nets by a small offset (less than 1/10 of a mil) but the ICs were fine(?) and now I need to reconnect them. (It may have been the global moves I did to recentre the design - possible numeric precission error?). I am thinking it may be better to restart from scratch. Regards Alan

Hi Dillan, I think I worked out how I moved everything off grid. I ran a label hard up against the top edge of the canvas (during a global move). Regards AlanC