Frequently Asked Questions (FAQ)⚓︎

Which syntax is allowed in description fields?⚓︎

*single star for italic* → single star for italic
**double star for bold** → double star for bold
# one hash for main heading ⤵
one hash for main heading
## two hashes for second heading ⤵
two hashes for second heading
### three hashes for third heading ⤵
three hashes for third heading
Simple link: [[http://example.com]] → Simple link: http://example.com
Link with text: [[http://example.com|text of the link]] → Link with text: text of the link
--- for a horizontal rule ⤵

With macOS, replace Ctrl by Cmd.

mycolumn=odd → will match features whose column mycolumn equal odd
mycolumn!=odd → will match features whose column mycolumn is missing or different from odd
mycolumn>12 → will match features whose column mycolumn is greater than 12 (as number)
mycolumn<12.34 → will match features whose column mycolumn is lower than 12.34 (as number)
mycolumn= → will match features whose column mycolumn has no or null value
mycolumn!= → will match features whose column mycolumn has any defined
mycolumn=true/false → will match features whose column mycolumn is explicitely true (or false)
mycolumn!=true/false → will match features whose column mycolumn is different from true (or false)

When the condition match, the associated style will be applied to the corresponding feature.

In general, using a variable is as simple as {myvar}.

It's possible to define another variable as fallback of the first one like this: {myvar|fallbackvar}.

To fallback to a string, add it between double quotes: {myvar|"fallback"}.

It's possible to combine more variables: {myvar|othervar|"some string"}.

It's possible to use a variable inside an URL, for example: [[https://domain.org/?locale={locale}|Wikipedia]].

Or even as source for an image: {{{myvar}}} (note the triple {}).

Those variables can be used in a feature description, or in popup content templates.

Any property of the feature will be available, plus:

{lat}/{lng} → the feature position (or centroid in case of line or polygon)
{alt} → the altitude of a marker, if defined in the data
{locale} → the locale in the form en or en_US when a variant is used
{lang} → the lang in the form en or en-us when a variant is used
{measure} → the length of a line or the area of a polygon
{gain}/{loss} → the elevation gain/loss of a line (only if it contains the altitude information)
{rank} → the rank of the feature in the layer
{layer} → the name of the feature's layer
{zoom} → the current map zoom

{bbox} → the current bbox of the map in the form southwest_lng,southwest_lat,northeast_lng,northeast_lat
{north}/{top} → the North latitude of the current map view
{south}/{bottom} → the South latitude of the current map view
{east}/{right} → the East longitude of the current map view
{west}/{left} → the West longitude of the current map view
{zoom} → the current map zoom
{lat} → the latitude of the current map center
{lng} → the longitude of the current map center

Draft (private): Only you and your collaborators are able to see the map.
Everybody (public): Everybody can see your map, it is listed on search results and potentially the homepage. It is indexed by search engines like Google.
Anyone with link: The map will be accessible only to people knowing the link. The map is not indexed by search engines.
Editors and team only: Only you and your collaborators will be able to see the map.

Providing a link of a map to unallowed people will display a 403 Forbidden error.

Owner only: only the owner of the map can edit it.
Editors and team only: the owner, editors and members of the linked team will be able to edit the map.
Everyone: Everybody can edit the map without even being logged in.

Only for maps created without an account:

Only editable with secret edit link: Only people with a secret link will be able to edit the map.

These settings are also available for each layer.