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QGIS/resources/function_help/json/randf

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Change expression help from free form html files to structured json A new script then parses these json help files into the html help contents, in a standardised manner. Previously, the function help was a bunch of different formats and structures. Now, a custom stylesheet can be applied (and later tweaked!) to format these help. Eg, this commit colors variables and function names in the syntax section for greater readability.
2015-06-11 12:02:27 +10:00
{
move remaining function_help to json and update it's translation handling
2015-09-20 17:12:43 +02:00
"name": "randf",
"type": "function",
Change expression help from free form html files to structured json A new script then parses these json help files into the html help contents, in a standardised manner. Previously, the function help was a bunch of different formats and structures. Now, a custom stylesheet can be applied (and later tweaked!) to format these help. Eg, this commit colors variables and function names in the syntax section for greater readability.
2015-06-11 12:02:27 +10:00
"description": "Returns a random float within the range specified by the minimum and maximum argument (inclusive).",
[FEATURE] Allow expression functions to use named parameters This commit sets the framework for allowing expression functions to use named parameters. Ie, instead of: clamp(1,2,3) you can use: clamp( min:=1, value:=2, max:=3) This also allows arguments to be switched, eg: clamp( value:=2, max:=3, min:=1) Additionally, it allows for a more structured definition of function parameters to handle optional arguments and default values for parameters. These are currently being done using a hacky infinite argument list. I've utilised the postgres ':=' syntax for specifying named arguments to avoid potential collisions which may arise with the equality test if we re-used just the '=' operator alone. Sponsored by North Road
2016-03-29 16:22:04 +11:00
"arguments": [ {"arg":"min","optional":true,"default":"0.0","description":"an float representing the smallest possible random number desired"},
{"arg":"max","optional":true,"default":"1.0","description":"an float representing the largest possible random number desired"}],
Change expression help from free form html files to structured json A new script then parses these json help files into the html help contents, in a standardised manner. Previously, the function help was a bunch of different formats and structures. Now, a custom stylesheet can be applied (and later tweaked!) to format these help. Eg, this commit colors variables and function names in the syntax section for greater readability.
2015-06-11 12:02:27 +10:00
"examples": [ { "expression":"randf(1, 10)", "returns":"4.59258286403147"}]
}
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