We occasionally display banner images on the main page of openstreetmap.org to promote a large OpenStreetMap focused conference or host a worldwide donation drive. This is a great way to reach a lot of people!
- Please review the Operations Working Group's Banner Policy to know whether your event qualifies for a front-page banner.
- Create the banner image. The image needs to:
- be exactly 350px wide and at most 350px tall,
- be in PNG format,
- have nothing important in the top-right 60x60px corner of the banner which has a close 'X' button overlayed, and
- have sufficient visual contrast with the colours #cccccc and #999999 so the 'X' can be seen.
- Prepare a pull request which includes the following:
- The banner should be saved under the
app/assets/images/banners/folder, and should have a name that makes it clear what it is for (e.g.donate-2017.jpg) - Edit
config/banners.ymlto contain an entry for the event banner. It should contain the following:id- a unique identifier (e.g.donate2017)alt- alt name for the image (e.g.OpenStreetMap Funding Drive 2017)link- URL for your event page (e.g.https://supporting.openstreetmap.org/)img- the filename for the banner image (e.g.banners/donate-2017.jpg)enddate- the final date that the banner will be shown (e.g.2017-oct-31)
- (optional) Feel free to cleanup the old images from the
app/assets/images/banners/folder and old entries in theconfig/banners.ymlfile.
- The banner should be saved under the
- The pull request must indicate when the banner should start being shown, which must be at least 7 days after the pull request was created.
See PR #1296 as an example.