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530 Commits

Author SHA1 Message Date
Tudor Bărăscu
b4b84813d3 Be clear that the expressions return invalid when they cannot convert 
I got mislead by the "Nothing is returned if a value cannot be converted" as it led
me to believe I was expecting NULL.
 2024-05-30 07:29:04 +10:00
uclaros
10559048c0 QGIS does rock, but we need comprehensive examples 2024-05-10 06:18:16 +10:00
uclaros
03f967848c add missing tr to header generated by map_to_html_table expression function 2024-05-10 06:18:16 +10:00
Germap
eac5f8e521 [Expressions] Add missing tag (crs ellipsoid) to layer_property function 2024-01-28 09:42:26 +01:00
uclaros
f0ec3a0aea finalize mesh label rendering 2024-01-08 05:20:26 -08:00
Alexander Bruy
9ded559386 initial support for mesh labeling 2024-01-08 05:20:26 -08:00
Harrissou Sant-anna
65535f4c2a Allow use of minimum/maximum as alias for min/max aggregate argument in aggregate function 2023-11-27 06:15:57 +10:00
Germap
b96e48b808 [Expressions] Clean up tags in age function 
Previous tags were generated by a script, which produced an ugly tag value ('yearmonthweekdayhourminutesecond').
 2023-11-23 13:41:49 +10:00
Germap
7e7a8a1f57 [Expressions] Add tags to layer_property function 
Fix #39828
 2023-11-23 13:41:49 +10:00
Hannes
6efe66d488 Add simple-as-possible example to geometries_to_array expression function 2023-11-14 08:28:14 +10:00
Nyall Dawson
fb98e1a1e8 Update resources/function_help/json/array_foreach 
Co-authored-by: Björn <pathmapper@posteo.de>
 2023-10-29 11:48:21 +10:00
pathmapper
56c8419d42 Add note that counter starts at 0 
ref https://github.com/qgis/QGIS/pull/54962#issuecomment-1766732808
 2023-10-29 11:48:21 +10:00
pathmapper
d65c0caa47 array_foreach expression - add counter variable 2023-10-29 11:48:21 +10:00
Andrea Giudiceandrea
cf3814ef97 [feature][expressions] layer_property: add crs_ellipsoid property 2023-09-12 14:40:24 +10:00
Andrea Giudiceandrea
49f2ec9007 Apply suggestions from code review 
Co-authored-by: Nyall Dawson <nyall.dawson@gmail.com>
 2023-09-08 09:07:46 +10:00
Andrea Giudiceandrea
d90c2e3ba4 [expressions] bearing: make source_auth_id and ellipsoid optional 2023-09-08 09:07:46 +10:00
Andrea Giudiceandrea
b98c758539 [expressions][feature] Add bearing function 2023-09-08 09:07:46 +10:00
Alexander Bruy
aa9f115241 make floor division operator visible in the expression builder and add 
help for it (fix #52094)
 2023-06-08 08:40:24 +10:00
Alexander Bruy
d0c7c6e930 fix formula for exponential interpolation 
The scale_exp function renamed to scale_polynomial and has an alias
scale_exp to preserve backward compatibility.

A new function using correct formula was added as scale_exponential.
 2023-05-31 09:02:01 +10:00
Harrissou Sant-anna
c9af18975f Replace $-based functions with their corresponding @ variable in expression examples 
Also cleans a little bit tags list
 2023-05-12 06:30:43 +10:00
Nyall Dawson
f7a7a24edb Make map id optional in map_credits layout function 
If not specified, the credits for ALL layers from ALL maps
will be collected
 2023-04-13 17:44:37 +10:00
Nyall Dawson
fe158c2faa Fix some invalid help example expressions 2023-04-12 09:51:36 +10:00
Nyall Dawson
850fb3ae46 Remove unused outdated help files 2023-04-12 09:51:36 +10:00
Harrissou Sant-anna
91bc780404 Another unnecessary parenthesis 2023-04-11 07:25:37 +10:00
Harrissou Sant-anna
7269abe1ab Add precision to concatenator parameter 2023-04-11 07:25:37 +10:00
Harrissou Sant-anna
a2b2459995 Remove excessive parenthesis 2023-04-11 07:25:37 +10:00
Harrissou Sant-anna
7235ee7d83 better wording 
Co-authored-by: Mathieu Pellerin <nirvn.asia@gmail.com>
 2023-04-05 06:53:36 +10:00
DelazJ
d9edb37154 Add a group for sensors expressions 2023-04-05 06:53:36 +10:00
DelazJ
e3a86b1acd Delete unused 'Conditions' group 2023-04-05 06:53:36 +10:00
Harrissou Sant-anna
5f8c4ae5f5 Add example of flip_coordinates with linestring 2023-04-04 05:12:34 +10:00
Mathieu Pellerin
d2b117a3c8 [sensors] Brand new sensors framework (manager, registry, sensor types) 2023-03-24 15:28:47 +07:00
Harrissou Sant-anna
d979743ef0 Add more details to the modulo operator 2023-03-07 09:45:01 +10:00
Nyall Dawson
3c91c624c8 [expressions][feature] Add ltrim/rtrim functions 
Allows trimming spaces or other characters from just the
start or end of strings
 2023-03-06 08:38:38 +10:00
Nyall Dawson
49adde6b9a [expressions] Re-permit format_number to omit group separators 
After 6fcef30cc50, group separators were always included in the
results from format_number (even if a locale which doesn't use
them like the 'C' locale is specified). 6fcef30cc50 was added
to fix an old regression, but in doing so we lost flexibility
to skip unwanted separators.

Workaround this by introducing a new opt-in omit_group_separators
argument for format_number to skip the thousand separators when
desired. Also add an opt-in trim_trailing_zeroes argument for
further flexibility.
 2023-02-07 15:15:04 +10:00
Nyall Dawson
fae25a6857 Update resources/function_help/json/feature_id 2023-01-13 13:26:56 +10:00
Nyall Dawson
390cb760c9 [feature][expressions] Add feature_id(some feature) function 
Allows for retrieving the feature ID of a feature object. Accepts
one argument which must be a feature object. Accordingly this
function can be used with the results of any other function
which returns feature objects, such as "get_feature", "overlay_*",
etc.

Fixes #51116
 2023-01-13 13:26:56 +10:00
Mathieu Pellerin
660990e0d8 Follow up 7e2e622 : improve functions help 2023-01-11 06:51:38 +10:00
Nyall Dawson
b23eb1d250 [feature] New function "load_layer" 
This function (available only in Processing expressions for now),
allows loading a map layer via a source string and provider name.

It is designed to allow use of the expression functions which
directly reference map layers (such as the aggregate functions)
with a hardcoded layer path, eg. then permitting these functions
to be used outside of a project (such as via the qgis_process tool)
 2023-01-09 14:35:50 +10:00
Harrissou Sant-anna
d8eac90dff missing comma 2023-01-03 13:53:19 +10:00
Harrissou Sant-anna
df50648717 Correctly expose optional argument in represent_value function 2023-01-03 13:53:19 +10:00
Mathieu Pellerin
7e2e6220e8
[expressions] New is_feature_valid()/is_attribute_valid() functions (#51303) 2022-12-30 20:00:23 +07:00
Antoine Facchini
46ed1e12bd refacto: replace the parameter name 'i' to 'vertex' 2022-11-29 17:47:53 +01:00
Antoine Facchini
77e9491329 docs: inform users that some expression functions are deprecated 2022-11-29 17:47:52 +01:00
Antoine Facchini
d8131a0791 feature: add x_at, y_at, z_at and m_at expressions 2022-11-29 17:47:52 +01:00
Alessandro Pasotti
66e5a4e319 Remove spaces 2022-11-10 13:04:40 +01:00
Alessandro Pasotti
71c513a281 Raster maptips and html map functions 2022-11-09 09:48:03 +01:00
Alessandro Pasotti
f040c260bd Raster maptips 2022-11-09 09:48:02 +01:00
Alessandro Pasotti
b37f5f4b03 Raster attributes and raster maptips 2022-11-09 09:48:02 +01:00
Salvatore Fiandaca
502a539a24 print error example concave hull 
function correction in the example in the help from `concavehull` to `concave_hull`
 2022-10-03 07:14:50 +10:00
Harrissou Sant-anna
8de9cd4548 Fix array_get argument name 
Fixes https://github.com/qgis/QGIS-Documentation/issues/7814
 2022-09-30 09:30:07 +10:00