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5045 Commits

Author SHA1 Message Date
Nyall Dawson
cef9c4eaec [FEATURE][processing] New algorithms "Extract Z values" and "Extract m values" 
These algorithms allow users to convert z or m values present in feature
geometries to attributes in the layer. By default the z/m value from the
first vertex in the feature is extracted, but optionally statistics
can be calculated on ALL the z/m values from the geometry (e.g. calculating
mean/min/max/sum/etc of z values).
 2019-01-04 05:01:40 +10:00
Nyall Dawson
5586352a13 [FEATURE][processing] New raster zonal stats algorithm 
Like the vector zonal stats algorithm, but this one works with
the zones defined in another raster.

Iterates over the input rasters in blocks to be nice and
memory efficient.

From the algorithm help:

"This algorithm calculates statistics for a raster layer's
values, categorized by zones defined in another raster layer.

If the reference layer parameter is set to "Input layer",
then zones are determined by sampling the zone raster layer
value at the centroid of each pixel from the source raster
layer.

If the reference layer parameter is set to "Zones layer",
then the input raster layer will be sampled at the centroid
of each pixel from the zones raster layer.

If either the source raster layer or the zone raster layer
value is NODATA for a pixel, that pixel's value will be
skipped and not including in the calculated statistics."
 2019-01-04 05:01:16 +10:00
Alessandro Pasotti
ecb6cde3aa Pick up all layer entries references from the project context 
This is the processing side of the duplicate layer
names bug, while the core part was already fixed,
the processing logic was extended to handle inputs
from models and full-path references.

Fixes #20601
 2019-01-02 16:59:03 +01:00
Alexander Bruy
2f1efd8927
Merge pull request #8776 from alexbruy/gdal_tests 
[processing] cover more GDAL algorithms with unittests
 2019-01-02 08:17:19 +02:00
Juergen E. Fischer
196024ccba typo fixes 2019-01-01 21:53:37 +01:00
Alexander Bruy
f332233f6d remove obsolete tests 2019-01-01 19:28:09 +02:00
Alexander Bruy
6809d346ab [processing] add unittest for gdal_polygonize algorithm 2019-01-01 19:26:14 +02:00
Alexander Bruy
f447745b5f [processing] add unittest for gdal2xyz algorithm 2019-01-01 18:15:41 +02:00
Alexander Bruy
a5365e26eb [processing] fix handling of the mask layer in the gdal_sieve algorithm 
(fix #20713)
 2019-01-01 15:20:21 +02:00
Alexander Bruy
c64383702e make advanced params optional to keep algorithm API stable 2018-12-31 12:34:12 +02:00
Alexander Bruy
3d33b9f1e2 [processing] expose resampling and format options in the gdaladdo 
algorithm (fix #20432)

These options actually were here but not added to the UI.
 2018-12-31 12:20:31 +02:00
Alexander Bruy
84d155eaf0
Merge pull request #8759 from alexbruy/processing-interpolation 
[processing][needs-docs] Add cell size parameter to native interpolation algorithms (fix #18556, #20114)
 2018-12-30 15:55:05 +02:00
Alexander Bruy
acd4ceca5c keep also old test for native interpolation algs 2018-12-30 09:48:45 +02:00
Alexander Bruy
1e1ed79e2d [processing] set default value for band parameters in GDAL algs (fix #20610) 2018-12-30 09:18:23 +02:00
Alexander Bruy
e86ca50cc6 restore columns and rows parameters for the extremely rare case if 
someone have used native interpolation algs in scripts/models
 2018-12-30 08:15:26 +02:00
Alexander Bruy
09dbb8917d update tests 2018-12-30 06:44:09 +02:00
Alexander Bruy
5813b96159 add cell size option to IDW and TIN interpolation algorithms 2018-12-30 06:44:09 +02:00
Alexander Bruy
357cf270ff add value changed signal for custom interpolation parameter wrapper 
move duplicated code into common file
 2018-12-30 06:44:09 +02:00
Alexander Bruy
37f14f8b3f add value changed signal for extent parameter widget wrapper 2018-12-30 06:44:09 +02:00
Harrissou Sant-anna
ea9b09f2dc Use QGIS user manual for GDAL algorithms help files 
because they are available for most of the algs and wouldn't be used otherwise. Also when someone hits algA help button, he should be given the algA help and not the main gdal utility doc.
 2018-12-27 06:53:19 +10:00
Alessandro Pasotti
40fb2ce93d Drop the ugly hack in favor of sourceFlags 2018-12-21 13:20:41 +01:00
Alessandro Pasotti
f4d7506e73 Processing in-place do not check validity when fixing geometries 
Fixes #20812
 2018-12-21 11:47:36 +01:00
Peter Petrik
9ce7e54fb1
allow selection of file paths for mesh layers [processings] (#8702) 
allow selection of file paths for mesh layers
 2018-12-20 15:04:02 +01:00
Nyall Dawson
9e1bf68902 [processing] Fix pixel centroids along lines handling of null geometries 2018-12-18 04:38:42 +10:00
Peter Petrik
e71660215c [processing] add QgsProcessingParameterMeshLayer parameter 2018-12-17 11:50:53 +01:00
Nyall Dawson
c7cb5a8e3b [processing][SAGA] Fix output type of Zonal Grid Stats alg 
and add unit test

Fixes #20815
 2018-12-17 10:50:47 +10:00
Nyall Dawson
abc7b037d8 [needs-docs][processing] Output count of retained and duplicate features from 
Delete duplicate geometries algorithm.

This matches the output of the delete duplicates by attribute
algorithm
 2018-12-15 10:44:33 +10:00
Nyall Dawson
82c13bdde0 [processing] Fix error when running delete duplicate geometries and 
some input features have null geometries

Fixes #20788
 2018-12-15 10:44:33 +10:00
Nyall Dawson
5c2f68e769 [processing] Throw error when attempting to use Distance Matrix with 
multipoint datasets

There's no single approach to use for multi-point inputs, so instead
of overloading this algorithm with extra options to control how these
are handled, we raise a helpful error and push the reponsibility back
to the user to get the data into the right format before running the
tool.

Fixes #20799
 2018-12-15 10:36:44 +10:00
Nathan Woodrow
87d2da13fb
[FEATURE][needs-docs] Add new @alg decorator for nicer python processing scripts. (#8586) 
@alg()
@alg.help()
@alg.input()
@alg.output()
 2018-12-10 16:35:52 +10:00
Jon McCormack
9493f55117 fix processing plugin error when grass7 disabled 2018-12-10 10:02:09 +10:00
Nyall Dawson
b95400806a [FEATURE][processing] Native "split lines by maximum length" algorithm 
This algorithm takes an input (multi)line (or curve) layer, and splits
each feature into multiple parts such that no part is longer then
the specified maximum length.

Supports data-defined maximum length property, and edit in place operation.

Credit to @NathanW2 for the inspiration!
 2018-12-06 10:01:31 +10:00
Nyall Dawson
d79cee1fe1 [needs-docs][processing] Rename "remove duplicates by attribute" to 
"delete duplicates by attribute"

for consistency with "delete duplicate geometries". Also add some
tags to delete duplicate geometries algorithm.
 2018-12-05 07:36:13 +10:00
Nyall Dawson
9c1653f00a [processing] Fix exception on launching refactor fields 
(The logic with parameter widget_wrapper metadata is very gross -
but there's nothing we can do about it till 4.0!)

Fixes #20707
 2018-12-05 04:47:55 +10:00
Nyall Dawson
0ba37fcb72 [processing][SAGA] Add unit test for RGB composite 2018-12-05 04:47:33 +10:00
Nyall Dawson
71b32f072c [processing][SAGA] Fix output type for RGB Composite should be tif, not sdat format 2018-12-05 04:47:33 +10:00
Luigi Pirelli
c39e2b83da
Merge pull request #8445 from NaturalGIS/add_te_paramater_in_gdal_clip_by_mask 
add the -te and -te_srs and -multi parameters to the gdalwarp tool used to clip rasters by mask layers
 2018-12-04 11:32:52 +01:00
Giovanni Manghi
25bfca492f partial fix for SAGA RGB composite tool 2018-12-04 11:49:20 +10:00
Nyall Dawson
455e04ea66 [processing][SAGA] Fix definition of Patching algorithm 
And add unit test

Fixes #20698
 2018-12-04 10:36:38 +10:00
Nyall Dawson
4212deabe8 [processing][saga] Add unit test for point distances alg 2018-12-03 18:11:24 +10:00
Nyall Dawson
ef2fff0820 [processing][SAGA] Fix default output format for geometry-less tables 2018-12-03 18:11:24 +10:00
Luigi Pirelli
e1b3524b5d
Merge pull request #8443 from NaturalGIS/fix_saga_point_distances 
fix the SAGA Points Distances tool
 2018-12-02 23:36:38 +01:00
Alessandro Pasotti
0af1ce40a8
Merge pull request #8571 from elpaso/bugfix-20601-rastercalc-duplicated-layer-names 
Fix rastercalc duplicated layer names
 2018-11-30 10:17:38 +01:00
volaya
e546129f5c [processing] fixed update of MultipleInputPanel after alg is run 
Fixes #20670
 2018-11-30 09:17:07 +01:00
Nyall Dawson
3a66b92522 [processing] Fix crash when running model through modeler dialog 
Fixes #20676
 2018-11-30 10:02:52 +10:00
Nyall Dawson
59d2c5301f [processing] Fix exception when parameter metadata is set to extend inbuilt wrapper type 2018-11-30 05:02:59 +10:00
Alessandro Pasotti
1672d434ce Raster calc: refresh layers list if a layer is renamed or added/removed 
Fixes #20601 - bug: Raster calculator produces empty results layer and no error message if input layer is one that has been renamed in QGIS layers panel
 2018-11-29 18:30:01 +01:00
Alessandro Pasotti
18854dc7b6 Do not add duplicates in raster calc layers list 
Related to #20601
 2018-11-29 12:26:57 +01:00
Alessandro Pasotti
0fde410a58
Merge pull request #8564 from elpaso/rastercalculator-fast-track 
Rastercalculator memory efficient track
 2018-11-29 09:32:24 +01:00
Nyall Dawson
f10b62c380 [processing] Fix crash on closing batch processing dialog 
Refs #20650
 2018-11-29 10:57:07 +10:00