I am seriously considering contributing to this branch but I would like to have some sort of guarantee that it will be included in a future public release of inkscape.

I have seen some other promising contributions (geometric tools for example) which never made it to the public release and this worries me. 

What is the process for approval? Someone else mentioned before that selectable guides would "open a can of worms". I strongly disagree with that (the advantages far outweigh the disadvantages for one thing) but at the same time I do not fancy getting involved in too much politics.

So how do I know my effort will be fruitful?

On Wed, Mar 4, 2015 at 7:26 AM, Bit Barrel <bitbarrelmedia@...400...> wrote:

Thanks for the branch link. I will definitely have a look. It is good to see some people are working on this.

On Wed, Mar 4, 2015 at 2:02 AM, Johan Engelen <jbc.engelen@...1761....2592...> wrote:

On 2-3-2015 1:39, Bit Barrel wrote:
> I do a lot of CAD-like work and to work around certain missing
> features, I use guides a lot. The snapping system is awesome but the
> guides are not very flexible.
>
> What would be a huge improvement is if it would be possible to select
> guides. This opens up a whole range of possibilities which extensions
> and internal tools can benefit from. Examples are:
> -Create a 3rd guide in the middle of two selected guides.
> -Create a 3rd guide equidistant from two other selected guides.
> -Select a few guides and delete them.

There is a branch that adds a guide dialog (or better: fills the Guides
tab in the Document Properties dialog with more widgets), featuring a
list of guides in which you can select guides to delete them, etc.
https://code.launchpad.net/~inkscape.dev/inkscape/guides-improvements
It is not nearly as convenient as on-canvas selecting, but it may be a
workable intermediate solution, without pervasive code changes. (the
three examples you mention would be doable from that dialog)

Obvious downside of such a dialog: selecting the correct guide from a
list with guide name, angle, X, and Y coordinates is not nice, and it
would need some visual on-canvas indicator. Perhaps being able to sort
the list according to X or Y coordinate helps finding the correct guide
to delete / split / etc. Still, with many guides, especially angled
guides it quickly becomes troublesome I'm afraid...

The work in that branch is not completed (last time I looked, which is a
while ago) and so needs further work. Perhaps you can try to contribute
to that branch, as a step up to try to tackle selectable guides.

cheers,
   Johan

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