Grid Offset

John van Zijl schrieb:

I am missing a possibility to enter an offset or zero point to the

grid I selected, With the different Pitches and the mix of inches and

metric I often have to switch and it would realy help if I could

switch the offset to.

Many of us miss that possibility. This wish is so old that it already

has a very long beard - yet it has not been recognized by CadSoft,

though this one should be really very easy to implement.

Tilmann

Tilmann Reh wrote:

I am missing a possibility to enter an offset or zero point to the

grid I selected, With the different Pitches and the mix of inches and

metric I often have to switch and it would realy help if I could

switch the offset to.

>Many of us miss that possibility. This wish is so old that it already

>has a very long beard - yet it has not been recognized by CadSoft,

>though this one should be really very easy to implement.

+1

Old Eagle users know worarounds, new users might go away silently.

Oliver

--

Oliver Betz, Munich

despammed.com is broken, use Reply-To:

Tilmann Reh wrote:

I am missing a possibility to enter an offset or zero point to the

grid I selected, With the different Pitches and the mix of inches and

metric I often have to switch and it would realy help if I could

switch the offset to.

>Many of us miss that possibility. This wish is so old that it already

>has a very long beard - yet it has not been recognized by CadSoft,

>though this one should be really very easy to implement.

+1

Old Eagle users know worarounds, new users might go away silently.

Oliver

--

Oliver Betz, Munich

despammed.com is broken, use Reply-To:

It is not so much a problem of placing parts, I agree manualy editing the position to a grid isn't a lot of work. The main pain is in routing, when you have mixed metric and mil parts or parts need to be on a specific location. Breaking out of the parts would be much faster if I could determine the origine of the grid. I am tired of calculating join points of mil and metric grids, or routing at small grids to have such join points in my grid.

Cheers

John

Regarding point 1, even if the grid had a selectable origin, I'm not so sure it would help in laying out components on a board,

because you would still need to perform a back-of-envelope calculation, to work out that origin.

Today, if I know I need to place a component at a specific point, I manually type the co-ords. I try to make my life easier by

ensuring that the component origin is at the correct location, to minimise/simplify the calculation.

Here is an example component (it is a connector), where when I designed the component pad layout, I placed the origin

to be the edge of the component (i.e. the end of the connector which I want to be on the edge of the PCB). The origin is shown

circled in yellow here.

Then, when I want to place it at an exact position on the PCB, it is really easy. I can just click on the part and type in the

exact co-ords (e.g. if my board is 100x100mm, then I can type (say) (0 50) and then I know it is exactly placed on the

edge of the board as desired, centered at the desired location.

There could be other use-cases for the selectable origin, but for placing components at a specified location, I have so far

found the manual co-ord method the easiest to be honest.