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QGIS/resources/function_help/json
History
DelazJ 058a323c4e Use 'string' as first parameter for substr_count function
2025-09-19 10:10:51 +02:00
..
$area
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$currentfeature
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$face_area
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$face_index
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$geometry
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$id
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$length
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$perimeter
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$scale
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$vertex_as_point
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$vertex_index
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$vertex_x
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$vertex_y
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$vertex_z
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$x
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$x_at
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$y
…
$y_at
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$z
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abs
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acos
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affine_transform
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age
[Expressions] Clean up tags in age function
2023-11-23 13:41:49 +10:00
aggregate
Allow use of minimum/maximum as alias for min/max aggregate argument in aggregate function
2023-11-27 06:15:57 +10:00
Aggregates
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AND
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angle_at_vertex
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apply_dash_pattern
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area
improve boundary, convex_hull, end_point, geom_to_wkt help
2025-07-03 20:06:43 +02:00
array
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array_agg
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array_all
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array_append
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array_cat
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array_contains
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array_count
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array_distinct
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array_filter
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array_find
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array_first
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array_foreach
Update resources/function_help/json/array_foreach
2023-10-29 11:48:21 +10:00
array_get
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array_insert
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array_intersect
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array_last
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array_length
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array_majority
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array_max
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array_mean
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array_median
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array_min
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array_minority
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array_prepend
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array_prioritize
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array_remove_all
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array_remove_at
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array_replace
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array_reverse
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array_slice
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array_sort
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array_sum
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array_to_string
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Arrays
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ascii
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asin
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atan
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atan2
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attribute
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attributes
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azimuth
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base_file_name
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bearing
Use a more user-friendly "authority ID" label
2025-02-17 10:43:58 +10:00
BETWEEN
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boundary
improve boundary, convex_hull, end_point, geom_to_wkt help
2025-07-03 20:06:43 +02:00
bounds
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
bounds_height
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
bounds_width
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
buffer
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
buffer_by_m
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CASE
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ceil
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centroid
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
char
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clamp
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close_line
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closest_point
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coalesce
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collect
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
collect_geometries
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Color
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color_cmyk
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color_cmyka
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color_cmykf
feat(Expression): Add color_cmykf
2024-09-03 07:39:05 +10:00
color_grayscale_average
feat(Expression): Make color_grayscale_average works with object
2024-09-03 09:46:26 +02:00
color_hsl
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color_hsla
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color_hslf
feat(Expression): Add color_hslf
2024-09-03 07:39:05 +10:00
color_hsv
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color_hsva
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color_hsvf
feat(Expression): Add color_hsvf
2024-09-03 07:39:05 +10:00
color_mix
feat(Expression): Add color_mix function
2024-09-03 09:46:26 +02:00
color_mix_rgb
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color_part
feat(Expression): Make (set_)color_part functions works with object
2024-09-03 09:46:26 +02:00
color_rgb
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color_rgba
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color_rgbf
feat(Expression): Add color_rgbf
2024-09-03 07:39:05 +10:00
combine
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concat
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concatenate
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concatenate_unique
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concave_hull
[expressions] Fix concave_hull function help
2025-05-13 22:08:31 +02:00
Conditionals
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contains
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Conversions
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convert_timezone
Adapt date strings to work for qt 6 builds
2025-07-25 01:52:43 +10:00
convex_hull
improve boundary, convex_hull, end_point, geom_to_wkt help
2025-07-03 20:06:43 +02:00
cos
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count
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count_distinct
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count_missing
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create_ramp
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crosses
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CRS
add functions help
2025-02-14 08:48:38 +10:00
crs_from_text
Use a more user-friendly "authority ID" label
2025-02-17 10:43:58 +10:00
crs_to_authid
Use a more user-friendly "authority ID" label
2025-02-17 10:43:58 +10:00
current_parent_value
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current_value
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Custom
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darker
feat(Expression): Make darker/lighter works with color object
2024-09-03 09:46:26 +02:00
Date and Time
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datetime_from_epoch
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day
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day_of_week
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decode_uri
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degrees
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densify_by_count
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densify_by_distance
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difference
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disjoint
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display_expression
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
distance
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distance_to_vertex
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end_point
improve boundary, convex_hull, end_point, geom_to_wkt help
2025-07-03 20:06:43 +02:00
env
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epoch
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eval
Fix some invalid help example expressions
2023-04-12 09:51:36 +10:00
eval_template
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exif
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exif_geotag
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exp
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extend
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exterior_ring
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extrude
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feature_id
Update resources/function_help/json/feature_id
2023-01-13 13:26:56 +10:00
Field
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Fields and Values
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file_exists
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file_name
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file_path
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file_size
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file_suffix
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Files and Paths
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flip_coordinates
Fix some invalid help example expressions
2023-04-12 09:51:36 +10:00
floor
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force_polygon_ccw
Remove excessive parenthesis
2023-04-11 07:25:37 +10:00
force_polygon_cw
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force_rhr
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Form
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format
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format_date
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format_number
[expressions] Re-permit format_number to omit group separators
2023-02-07 15:15:04 +10:00
from_base64
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from_json
QGIS does rock, but we need comprehensive examples
2024-05-10 06:18:16 +10:00
Fuzzy Matching
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General
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generate_series
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geom_from_gml
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geom_from_wkb
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geom_from_wkt
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geom_to_wkb
more help improvements
2025-07-03 20:06:43 +02:00
geom_to_wkt
improve boundary, convex_hull, end_point, geom_to_wkt help
2025-07-03 20:06:43 +02:00
geometries_to_array
Add simple-as-possible example to geometries_to_array expression function
2023-11-14 08:28:14 +10:00
geometry
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
geometry_n
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geometry_type
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GeometryGroup
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get_feature
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get_feature_by_id
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get_timezone
Adapt date strings to work for qt 6 builds
2025-07-25 01:52:43 +10:00
hamming_distance
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hash
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hausdorff_distance
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hour
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hstore_to_map
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if
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ILIKE
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IN
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inclination
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interior_ring_n
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intersection
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intersects
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intersects_bbox
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iqr
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IS
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
IS NOT
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is_attribute_valid
Follow up 7e2e622 : improve functions help
2023-01-11 06:51:38 +10:00
is_closed
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is_directory
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is_empty
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is_empty_or_null
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
is_feature_valid
Follow up 7e2e622 : improve functions help
2023-01-11 06:51:38 +10:00
is_file
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is_layer_visible
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is_multipart
more help improvements
2025-07-03 20:06:43 +02:00
is_selected
Another unnecessary parenthesis
2023-04-11 07:25:37 +10:00
is_valid
more help improvements
2025-07-03 20:06:43 +02:00
item_variables
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layer_property
[Expressions] Add missing tag (crs ellipsoid) to layer_property function
2024-01-28 09:42:26 +01:00
Layout
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left
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length
improve boundary, convex_hull, end_point, geom_to_wkt help
2025-07-03 20:06:43 +02:00
length3D
more help improvements
2025-07-03 20:06:43 +02:00
levenshtein
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lighter
feat(Expression): Make darker/lighter works with color object
2024-09-03 09:46:26 +02:00
LIKE
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line_interpolate_angle
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line_interpolate_point
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line_interpolate_point_by_m
Address review
2024-09-08 10:56:58 +07:00
line_locate_m
Address review
2024-09-08 10:56:58 +07:00
line_locate_point
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line_merge
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line_substring
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ln
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load_layer
[feature] New function "load_layer"
2023-01-09 14:35:50 +10:00
log
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log10
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longest_common_substring
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lower
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lpad
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ltrim
[expressions][feature] Add ltrim/rtrim functions
2023-03-06 08:38:38 +10:00
m
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m_at
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m_max
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m_min
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main_angle
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majority
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make_circle
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make_date
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make_datetime
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make_ellipse
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make_interval
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make_line
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make_point
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make_point_m
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make_polygon
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make_rectangle_3points
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make_regular_polygon
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make_square
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make_time
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make_triangle
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make_valid
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map
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Map Layers
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map_akeys
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map_avals
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map_concat
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map_credits
Make map id optional in map_credits layout function
2023-04-13 17:44:37 +10:00
map_delete
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map_exist
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map_get
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map_insert
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map_prefix_keys
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map_to_hstore
QGIS does rock, but we need comprehensive examples
2024-05-10 06:18:16 +10:00
map_to_html_dl
QGIS does rock, but we need comprehensive examples
2024-05-10 06:18:16 +10:00
map_to_html_table
add missing tr to header generated by map_to_html_table expression function
2024-05-10 06:18:16 +10:00
Maps
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maptip
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
Math
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max
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max_length
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maximum
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md5
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mean
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median
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Meshes
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mime_type
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min
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min_length
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minimal_circle
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minimum
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minority
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minute
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month
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nodes_to_points
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NOT
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NOT BETWEEN
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now
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NULL
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nullif
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num_geometries
improve help of num_geometries function
2025-09-18 07:34:31 +10:00
num_interior_rings
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num_points
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
num_rings
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num_selected
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offset_curve
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
op_asterisk
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op_concat
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op_div
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op_eq
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op_exp
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op_floordiv
make floor division operator visible in the expression builder and add
2023-06-08 08:40:24 +10:00
op_ge
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op_gt
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op_index
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op_le
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op_lt
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op_minus
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op_modulo
Add more details to the modulo operator
2023-03-07 09:45:01 +10:00
op_ne
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op_plus
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op_regex
Add regexp to ~ function's tags
2025-03-04 08:15:16 +10:00
Operators
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OR
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order_parts
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
oriented_bbox
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overlaps
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overlay_contains
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
overlay_crosses
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
overlay_disjoint
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
overlay_equals
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
overlay_intersects
overlay_intersects: flatten collections and filter by type
2024-12-09 08:08:09 +01:00
overlay_nearest
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
overlay_touches
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
overlay_within
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
parameter
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perimeter
improve boundary, convex_hull, end_point, geom_to_wkt help
2025-07-03 20:06:43 +02:00
pi
…
point_n
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point_on_surface
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
pole_of_inaccessibility
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
Processing
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project
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project_color
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project_color_object
feat(Expression): Add project_color_object function
2024-10-01 14:03:55 +10:00
q1
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q3
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radians
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ramp_color
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ramp_color_object
feat(Expression): Add ramp_color_object function
2024-10-01 14:03:55 +10:00
rand
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randf
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range
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raster_attributes
Expressions - Add 2 examples with @layer_cursor_point about raster maptip
2025-05-06 07:49:16 +10:00
raster_statistic
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raster_value
Expressions - Add 2 examples with @layer_cursor_point about raster maptip
2025-05-06 07:49:16 +10:00
Rasters
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Recent
…
Record and Attributes
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regexp_match
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regexp_matches
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regexp_replace
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regexp_substr
…
relate
…
relation_aggregate
Allow use of minimum/maximum as alias for min/max aggregate argument in aggregate function
2023-11-27 06:15:57 +10:00
Relations
…
repeat
Add 'repeat' expression function
2025-04-06 15:45:27 +10:00
replace
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represent_attributes
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represent_value
missing comma
2023-01-03 13:53:19 +10:00
reverse
[expressions] Add 'reverse' variant for reversing a string
2025-04-06 15:45:27 +10:00
right
…
rotate
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
round
improve round function help
2025-08-09 18:42:42 +02:00
roundness
Fix text case
2025-09-01 10:34:16 +10:00
rpad
…
rtrim
[expressions][feature] Add ltrim/rtrim functions
2023-03-06 08:38:38 +10:00
scale
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
scale_exponential
Fix examples of the scale_exponential expression function
2024-12-27 07:01:15 +09:00
scale_linear
…
scale_polynomial
fix formula for exponential interpolation
2023-05-31 09:02:01 +10:00
second
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segments_to_lines
…
sensor_data
[sensors] Brand new sensors framework (manager, registry, sensor types)
2023-03-24 15:28:47 +07:00
Sensors
better wording
2023-04-05 06:53:36 +10:00
set_color_part
feat(Expression): Make (set_)color_part functions works with object
2024-09-03 09:46:26 +02:00
set_timezone
Adapt date strings to work for qt 6 builds
2025-07-25 01:52:43 +10:00
sha256
…
shared_paths
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shortest_line
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simplify
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simplify_vw
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sin
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single_sided_buffer
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
sinuosity
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smooth
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soundex
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sqlite_fetch_and_increment
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sqrt
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square_wave
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square_wave_randomized
…
start_point
…
stdev
…
straight_distance_2d
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String
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string_to_array
…
strpos
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substr
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substr_count
Use 'string' as first parameter for substr_count function
2025-09-19 10:10:51 +02:00
sum
…
sym_difference
…
tan
…
tapered_buffer
…
timezone_from_id
Expand examples, tests
2025-07-25 01:52:43 +10:00
timezone_id
Add timezone_from_id, timezone_id expression functions
2025-07-25 01:52:43 +10:00
title
…
to_base64
…
to_bool
Add an example with a string to the to_bool expression
2024-11-26 08:04:41 +10:00
to_date
…
to_datetime
…
to_decimal
Fix some invalid help example expressions
2023-04-12 09:51:36 +10:00
to_dm
…
to_dms
…
to_int
Be clear that the expressions return invalid when they cannot convert
2024-05-30 07:29:04 +10:00
to_interval
…
to_json
QGIS does rock, but we need comprehensive examples
2024-05-10 06:18:16 +10:00
to_real
Be clear that the expressions return invalid when they cannot convert
2024-05-30 07:29:04 +10:00
to_string
Update to_string
2025-02-07 07:17:35 +01:00
to_time
…
touches
…
transform
update bearing and transform expression functions to accept either string
2025-02-14 08:48:38 +10:00
translate
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
triangular_wave
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triangular_wave_randomized
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trim
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try
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union
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upper
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url_encode
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UserGroup
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uuid
…
var
…
Variables
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wave
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wave_randomized
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wedge_buffer
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week
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with_variable
…
within
…
wordwrap
…
x
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
x_at
…
x_max
more help improvements
2025-07-03 20:06:43 +02:00
x_min
more help improvements
2025-07-03 20:06:43 +02:00
y
Replace $-based functions with their corresponding @ variable in expression examples
2023-05-12 06:30:43 +10:00
y_at
…
y_max
more help improvements
2025-07-03 20:06:43 +02:00
y_min
more help improvements
2025-07-03 20:06:43 +02:00
year
…
z
…
z_at
…
z_max
…
z_min
…