Le 12/03/2018 à 01:03, Jon Evans a écrit : > I think there are perhaps two different features here: > > 1) an easy way to create a text item that displays an object property (in > schematic or layout). In > the eventual properties editor, I'm imagining some kind of "show/hide" > checkbox that when checked > creates the text. > > 2) a text substitution system a la Altium Designer, that lets you reference > various properties in > the value of a text field (so escaped macros, not a dropdown). This one > seems less critical if #1 > is implemented, but it still lets you do some cool stuff. > > For #1, here's a screenshot of the Altium component properties dialog: > http://wiki.altium.com/download/attachments/3080263/Component+Properties+Dialog.png > > (I'm not saying we should necessarily clone Altium, but it's an easy way to > refer to this feature) > You can see in the upper right there is a grid of parameters, which can come > in from the library and > can also be added / edited by the user. > For each of them, there is a "visible" checkbox on the left, and if you check > it, that parameter > value will show up on the schematic (and it works in a similar way for layout)
These parameters look to me like very similar to our symbol fields. Apart the dialog, what is different? > > Here's another example, from Mentor Graphics PADS: > https://mgc-images.imgix.net/pads_com/pads-c0d37eb2-36c2-44d8-b394-a7fd07861718.png > > The item properties are accessed through a dockable window that in this > screenshot is on the right side. > The properties are a key/value system, and you can see that there are > checkboxes for both the keys > and the values. > If you have a property named "TOLERANCE" with value "10%", you can check the > value box and get a > label saying "10%", > or check both boxes to get a label saying "TOLERANCE=10%" > > -Jon > > On Sun, Mar 11, 2018 at 7:50 PM, Russell Oliver <roliver8...@gmail.com > <mailto:roliver8...@gmail.com>> wrote: > > Jon, > > Any thoughts on how you envisage this working? Text substitution through > using escaped macros or > a direct reference that can be picked via say a dropdown box in the > dialog? > > > > On Mon, Mar 12, 2018 at 5:34 AM Jon Evans <j...@craftyjon.com > <mailto:j...@craftyjon.com>> wrote: > > Display net name of pad automatically: You can use this to > auto-label test points with the > net name they are connected to, for example > > Other places where text substitution is useful to me: > > - Set project-level properties, like schematic title, part number, > revision, etc. Have it > automatically show up on every sheet title block and stay in sync on > the board silkscreen layer. > > - Add lots of properties to parts (i.e. resistors get voltage, > tolerance, tempco, etc) and > automatically show these as labels on the schematic next to refdes > and value > > -Jon > > On Sun, Mar 11, 2018 at 11:56 AM, Nick Østergaard <oe.n...@gmail.com > <mailto:oe.n...@gmail.com>> wrote: > > Den 8. mar. 2018 22.39 skrev "Russell Oliver" > <roliver8...@gmail.com > <mailto:roliver8...@gmail.com>>: > > As a follow up to the road map discussion I saw a forum post > asking if it was > possible to display the net name of a pad on the silkscreen > or other layers much > like the value or reference fields. > > > Why is this useful? Could you explain the exact use case? > > > While a simple implementation would be to create a text item > directly linked to each > pad that could be enabled, and shows the link to the relevant > pad, I think a more > generic approach would be great to have. > > I propose that either or both of these options for version 7. > > a) standalone text items are processed as a template. A > domain specific language > would be designed to allow for references to items as direct > text substitutions. The > implementation, scope and style of this DSL will need to be > workshopped and would > like your comments on. > > b) linked text (annotations) showing a graphical link (like > the blue line of values > and reference ) A text item is created as a link to another > item, for which the text > is derived from a list of properties of that item. This would > include such things as > values, references, custom symbol and footprint fields, > sizes, positions, net names, > net codes. > > I'm almost certain this would require the updated Schematic > object in eeschema, but > might already be achievable in pcbnew given its current > architecture, but that's > more of a guess than anything. > > Any thoughts, guidance or critiques would be appreciated. > > Kind Regards > Russell -- Jean-Pierre CHARRAS _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : kicad-developers@lists.launchpad.net Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
