mirror of
https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
41 lines
1.3 KiB
Plaintext
41 lines
1.3 KiB
Plaintext
{
|
|
"name": "maptip",
|
|
"type": "function",
|
|
"groups": ["Record and Attributes"],
|
|
"description": "Returns the maptip for a given feature in a layer. If called with no parameters, it evaluates the current feature. The maptip is evaluated by default.",
|
|
"arguments": [
|
|
{
|
|
"arg": "feature",
|
|
"optional": true,
|
|
"default": "current feature",
|
|
"description": "The feature which should be evaluated."
|
|
},
|
|
{
|
|
"arg": "layer",
|
|
"optional": true,
|
|
"default": "current layer",
|
|
"description": "The layer (or its id or name)."
|
|
},
|
|
{
|
|
"arg": "evaluate",
|
|
"description": "If the expression must be evaluated. If false, the expression will be returned as a string literal only (which could potentially be later evaluated using the 'eval_template' function).",
|
|
"optional": true,
|
|
"default": "true"
|
|
}
|
|
],
|
|
"examples": [
|
|
{
|
|
"expression": "maptip()",
|
|
"returns": "The maptip of the current feature."
|
|
},
|
|
{
|
|
"expression": "maptip(get_feature('streets', 1), 'streets')",
|
|
"returns": "The maptip of the feature with the ID 1 on the layer 'streets'."
|
|
},
|
|
{
|
|
"expression": "maptip('a_layer_id', $currentfeature, 'False')",
|
|
"returns": "The maptip of the given feature not evaluated."
|
|
}
|
|
]
|
|
}
|