[processing] Fixes #18183: SAGA "output extent" should not be mandatory

qgis · Mar 10, 2018 · 23172a101eb7a57be9b16dd5836a003ca91ed78c · 23172a1
1 parent e1ad1cb
commit 23172a101eb7a57be9b16dd5836a003ca91ed78c
diff --git a/python/plugins/processing/algs/saga/SagaAlgorithm.py b/python/plugins/processing/algs/saga/SagaAlgorithm.py
@@ -148,11 +148,6 @@ def defineCharacteristicsFromFile(self):
                     self.params.append(getParameterFromString(line))
                 elif line.startswith('AllowUnmatching'):
                     self.allow_nonmatching_grid_extents = True
-                elif line.startswith('Extent'):
-                    # An extent parameter that wraps 4 SAGA numerical parameters
-                    self.extentParamNames = line[6:].strip().split(' ')
-                    self.params.append(QgsProcessingParameterExtent(self.OUTPUT_EXTENT,
-                                                                    'Output extent'))
                 else:
                     pass # TODO
                     #self.addOutput(getOutputFromString(line))
@@ -289,7 +284,7 @@ def processAlgorithm(self, parameters, context, feedback):
                 values.append(rect.yMaximum())
 
                 for i in range(4):
-                    command += ' -{} {}'.format(self.extentParamNames[i], float(values[i]) + offset[i])
+                    command += ' -{} {}'.format(param.name().split(' ')[i], float(values[i]) + offset[i])
             elif isinstance(param, QgsProcessingParameterNumber):
                 if param.dataType() == QgsProcessingParameterNumber.Integer:
                     command += ' -{} {}'.format(param.name(), self.parameterAsInt(parameters, param.name(), context))

diff --git a/python/plugins/processing/algs/saga/description/B-SplineApproximation.txt b/python/plugins/processing/algs/saga/description/B-SplineApproximation.txt
@@ -4,7 +4,7 @@ QgsProcessingParameterFeatureSource|SHAPES|Points|0|None|False
 QgsProcessingParameterField|FIELD|Attribute|None|SHAPES|-1|False|False
 Hardcoded|-TARGET_DEFINITION 0
 QgsProcessingParameterNumber|LEVEL|Resolution|QgsProcessingParameterNumber.Double|1.0|False|0.001|None
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/python/plugins/processing/algs/saga/description/CreateLinesGraticule.txt b/python/plugins/processing/algs/saga/description/CreateLinesGraticule.txt
@@ -2,8 +2,8 @@ Create Lines Graticule|Create Graticule
 shapes_tools
 Hardcoded|-TYPE 0
 QgsProcessingParameterFeatureSource|EXTENT|Extent|-1|None|True
-Extent EXTENT_X_MIN EXTENT_X_MAX EXTENT_Y_MIN EXTENT_Y_MAX
+QgsProcessingParameterExtent|EXTENT_X_MIN EXTENT_X_MAX EXTENT_Y_MIN EXTENT_Y_MAX|Output extent|None|False
 QgsProcessingParameterNumber|DIVISION_X|Division Width|QgsProcessingParameterNumber.Double|1.0|False|None|None
 QgsProcessingParameterNumber|DIVISION_Y|Division Height|QgsProcessingParameterNumber.Double|1.0|False|None|None
 QgsProcessingParameterEnum|ALIGNMENT|Alignment|[0] Bottom left;[1] Top left;[2] Bottom right;[3] Top right;[4] Centered|False|0
-QgsProcessingParameterVectorDestination|GRATICULE_LINE|Lines Graticule
+QgsProcessingParameterVectorDestination|GRATICULE_LINE|Lines Graticule
diff --git a/python/plugins/processing/algs/saga/description/CreatePolygonsGraticule.txt b/python/plugins/processing/algs/saga/description/CreatePolygonsGraticule.txt
@@ -2,8 +2,8 @@ Create Polygons Graticule|Create Graticule
 shapes_tools
 Hardcoded|-TYPE 1
 QgsProcessingParameterFeatureSource|EXTENT|Extent|-1|None|True
-Extent EXTENT_X_MIN EXTENT_X_MAX EXTENT_Y_MIN EXTENT_Y_MAX
+QgsProcessingParameterExtent|EXTENT_X_MIN EXTENT_X_MAX EXTENT_Y_MIN EXTENT_Y_MAX|Output extent|None|False
 QgsProcessingParameterNumber|DIVISION_X|Division Width|QgsProcessingParameterNumber.Double|1.0|False|None|None
 QgsProcessingParameterNumber|DIVISION_Y|Division Height|QgsProcessingParameterNumber.Double|1.0|False|None|None
 QgsProcessingParameterEnum|ALIGNMENT|Alignment|[0] Bottom left;[1] Top left;[2] Bottom right;[3] Top right;[4] Centered|False|0
-QgsProcessingParameterVectorDestination|GRATICULE_RECT|Rectangle Graticule
+QgsProcessingParameterVectorDestination|GRATICULE_RECT|Rectangle Graticule
diff --git a/python/plugins/processing/algs/saga/description/CubicSplineApproximation.txt b/python/plugins/processing/algs/saga/description/CubicSplineApproximation.txt
@@ -7,7 +7,7 @@ QgsProcessingParameterNumber|NPMIN|Minimal Number of Points|QgsProcessingParamet
 QgsProcessingParameterNumber|NPMAX|Maximal Number of Points|QgsProcessingParameterNumber.Integer|20|False|11|59
 QgsProcessingParameterNumber|NPPC|Points per Square|QgsProcessingParameterNumber.Integer|5|False|1|None
 QgsProcessingParameterNumber|K|Tolerance|QgsProcessingParameterNumber.Double|140.0|False|0|None
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/python/plugins/processing/algs/saga/description/GeographicallyWeightedMultipleRegression.txt b/python/plugins/processing/algs/saga/description/GeographicallyWeightedMultipleRegression.txt
@@ -14,7 +14,7 @@ QgsProcessingParameterEnum|SEARCH_POINTS_ALL|Number of Points|[0] maximum number
 QgsProcessingParameterNumber|SEARCH_POINTS_MIN|Minimum|QgsProcessingParameterNumber.Integer|4|False|1|None
 QgsProcessingParameterNumber|SEARCH_POINTS_MAX|Maximum|QgsProcessingParameterNumber.Integer|20|False|1|None
 QgsProcessingParameterEnum|SEARCH_DIRECTION|Search Direction|[0] all directions;[1] quadrants
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterVectorDestination|REGRESSION|Regression

diff --git a/python/plugins/processing/algs/saga/description/GeographicallyWeightedRegression.txt b/python/plugins/processing/algs/saga/description/GeographicallyWeightedRegression.txt
@@ -14,7 +14,7 @@ QgsProcessingParameterEnum|SEARCH_POINTS_ALL|Number of Points|[0] maximum number
 QgsProcessingParameterNumber|SEARCH_POINTS_MIN|Minimum|QgsProcessingParameterNumber.Integer|4|False|1|None
 QgsProcessingParameterNumber|SEARCH_POINTS_MAX|Maximum|QgsProcessingParameterNumber.Integer|20|False|1|None
 QgsProcessingParameterEnum|SEARCH_DIRECTION|Search Direction|[0] all directions;[1] quadrants
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid

diff --git a/python/plugins/processing/algs/saga/description/InverseDistanceWeighted.txt b/python/plugins/processing/algs/saga/description/InverseDistanceWeighted.txt
@@ -14,7 +14,7 @@ QgsProcessingParameterNumber|SEARCH_POINTS_MAX|Maximum|QgsProcessingParameterNum
 QgsProcessingParameterEnum|SEARCH_DIRECTION|Search Mode|[0] all directions;[1] quadrants
 QgsProcessingParameterEnum|SEARCH_POINTS_ALL|Number of Points|[0] maximum number of nearest points;[1] all points
 QgsProcessingParameterNumber|SEARCH_POINTS_MAX|Maximum Number of Points|QgsProcessingParameterNumber.Integer|10|False|None|None
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_DEFINITION|Target Grid System|[0] user defined;[1] grid or grid system
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells

diff --git a/python/plugins/processing/algs/saga/description/KernelDensityEstimation.txt b/python/plugins/processing/algs/saga/description/KernelDensityEstimation.txt
@@ -5,7 +5,7 @@ QgsProcessingParameterField|POPULATION|Weight|None|POINTS|-1|False|False
 QgsProcessingParameterNumber|RADIUS|Radius|QgsProcessingParameterNumber.Integer|10|False|None|None
 QgsProcessingParameterEnum|KERNEL|Kernel|[0] quartic kernel;[1] gaussian kernel
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Kernel
diff --git a/python/plugins/processing/algs/saga/description/ModifedQuadraticShepard.txt b/python/plugins/processing/algs/saga/description/ModifedQuadraticShepard.txt
@@ -3,7 +3,7 @@ grid_gridding
 QgsProcessingParameterFeatureSource|SHAPES|Points|-1|None|False
 QgsProcessingParameterFeatureSource|FIELD|Attribute|5|None|False
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|1.000000|False|0.000000|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells|False|0
 QgsProcessingParameterRasterLayer|TARGET_TEMPLATE|Target System|None|True

diff --git a/python/plugins/processing/algs/saga/description/ModifiedQuadraticShepard.txt b/python/plugins/processing/algs/saga/description/ModifiedQuadraticShepard.txt
@@ -5,7 +5,7 @@ QgsProcessingParameterField|FIELD|Attribute|None|SHAPES|-1|False|False
 Hardcoded|-TARGET_DEFINITION 0
 QgsProcessingParameterNumber|QUADRATIC_NEIGHBORS|Quadratic Neighbors|QgsProcessingParameterNumber.Integer|13|False|5.0|None
 QgsProcessingParameterNumber|WEIGHTING_NEIGHBORS|Weighting Neighbors|QgsProcessingParameterNumber.Integer|19|False|3.0|None
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/python/plugins/processing/algs/saga/description/Mosaicking.txt b/python/plugins/processing/algs/saga/description/Mosaicking.txt
@@ -9,7 +9,7 @@ QgsProcessingParameterEnum|OVERLAP|Overlapping Areas|[0] first;[1] last;[2] mini
 QgsProcessingParameterNumber|BLEND_DIST|Blending Distance|QgsProcessingParameterNumber.Double|10.0|False|0.0|None
 QgsProcessingParameterEnum|MATCH|Match|[0] none;[1] regression|False|0
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/...on/plugins/processing/algs/saga/description/MultilevelB-SplineInterpolation(fromGrid).txt b/...on/plugins/processing/algs/saga/description/MultilevelB-SplineInterpolation(fromGrid).txt
@@ -7,7 +7,7 @@ QgsProcessingParameterNumber|EPSILON|Threshold Error|QgsProcessingParameterNumbe
 QgsProcessingParameterNumber|LEVEL_MAX|Maximum Level|QgsProcessingParameterNumber.Double|11.0|False|1|14
 QgsProcessingParameterBoolean|UPDATE|Update View|False
 QgsProcessingParameterEnum|DATATYPE|Data Type|[0] same as input grid;[1] floating point
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/python/plugins/processing/algs/saga/description/MultilevelB-SplineInterpolation.txt b/python/plugins/processing/algs/saga/description/MultilevelB-SplineInterpolation.txt
@@ -5,7 +5,7 @@ QgsProcessingParameterField|FIELD|Attribute|None|SHAPES|-1|False|False
 QgsProcessingParameterEnum|METHOD|Method|[0] without B-spline refinement;[1] with B-spline refinement
 QgsProcessingParameterNumber|EPSILON|Threshold Error|QgsProcessingParameterNumber.Double|0.0001|False|0|None
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/...plugins/processing/algs/saga/description/MultilevelB-SplineInterpolationforCategories.txt b/...plugins/processing/algs/saga/description/MultilevelB-SplineInterpolationforCategories.txt
@@ -3,7 +3,7 @@ grid_spline
 QgsProcessingParameterFeatureSource|SHAPES|Points|0|None|False
 QgsProcessingParameterField|FIELD|Attribute|None|SHAPES|-1|False|False
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterLayer|TARGET_TEMPLATE|Target system|None|True

diff --git a/python/plugins/processing/algs/saga/description/NaturalNeighbour.txt b/python/plugins/processing/algs/saga/description/NaturalNeighbour.txt
@@ -4,7 +4,7 @@ QgsProcessingParameterFeatureSource|SHAPES|Points|0|None|False
 QgsProcessingParameterField|FIELD|Attribute|None|SHAPES|-1|False|False
 Hardcoded|-TARGET_DEFINITION 0
 QgsProcessingParameterBoolean|SIBSON|Sibson|True
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/python/plugins/processing/algs/saga/description/NearestNeighbour.txt b/python/plugins/processing/algs/saga/description/NearestNeighbour.txt
@@ -3,7 +3,7 @@ grid_gridding
 QgsProcessingParameterFeatureSource|SHAPES|Points|0|None|False
 QgsProcessingParameterField|FIELD|Attribute|None|SHAPES|-1|False|False
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid
diff --git a/python/plugins/processing/algs/saga/description/OrdinaryKriging(Global).txt b/python/plugins/processing/algs/saga/description/OrdinaryKriging(Global).txt
@@ -11,7 +11,7 @@ QgsProcessingParameterNumber|VAR_NCLASSES|Lag Distance Classes|QgsProcessingPara
 QgsProcessingParameterNumber|VAR_NSKIP|Skip|QgsProcessingParameterNumber.Integer|1|False|1|None
 QgsProcessingParameterString|VAR_MODEL|Variogram Model|a + b * x
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|PREDICTION|Prediction

diff --git a/python/plugins/processing/algs/saga/description/OrdinaryKriging.txt b/python/plugins/processing/algs/saga/description/OrdinaryKriging.txt
@@ -11,7 +11,7 @@ QgsProcessingParameterNumber|VAR_NCLASSES|Lag Distance Classes|QgsProcessingPara
 QgsProcessingParameterNumber|VAR_NSKIP|Skip|QgsProcessingParameterNumber.Integer|1|False|1|None
 QgsProcessingParameterString|VAR_MODEL|Variogram Model|a + b * x
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|PREDICTION|Prediction

diff --git a/python/plugins/processing/algs/saga/description/PolynomialRegression.txt b/python/plugins/processing/algs/saga/description/PolynomialRegression.txt
@@ -7,7 +7,7 @@ QgsProcessingParameterNumber|XORDER|Maximum X Order|QgsProcessingParameterNumber
 QgsProcessingParameterNumber|YORDER|Maximum Y Order|QgsProcessingParameterNumber.Integer|4|False|1|None
 QgsProcessingParameterNumber|TORDER|Maximum Total Order|QgsProcessingParameterNumber.Integer|4|False|0|None
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid

diff --git a/python/plugins/processing/algs/saga/description/RandomField.txt b/python/plugins/processing/algs/saga/description/RandomField.txt
@@ -6,7 +6,7 @@ QgsProcessingParameterNumber|RANGE_MIN|Range Min|QgsProcessingParameterNumber.Do
 QgsProcessingParameterNumber|RANGE_MAX|Range Max|QgsProcessingParameterNumber.Double|1.0|False|None|None
 QgsProcessingParameterNumber|MEAN|Arithmetic Mean|QgsProcessingParameterNumber.Double|0.0|False|None|None
 QgsProcessingParameterNumber|STDDEV|Standard Deviation|QgsProcessingParameterNumber.Double|1.0|False|None|None
-Extent USER_XMIN USER_XMAX USER_YMIN USER_YMAX
+QgsProcessingParameterExtent|USER_XMIN USER_XMAX USER_YMIN USER_YMAX|Output extent|None|False
 QgsProcessingParameterNumber|USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|USER_FITS|Method|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|OUT_GRID|Random Field
diff --git a/python/plugins/processing/algs/saga/description/Resampling.txt b/python/plugins/processing/algs/saga/description/Resampling.txt
@@ -5,7 +5,7 @@ QgsProcessingParameterBoolean|KEEP_TYPE|Preserve Data Type|True
 Hardcoded|-TARGET_DEFINITION 0
 QgsProcessingParameterEnum|SCALE_UP|Upscaling Method|[0] Nearest Neighbor;[1] Bilinear Interpolation;[2] Inverse Distance Interpolation;[3] Bicubic Spline Interpolation;[4] B-Spline Interpolation;[5] Mean Value;[6] Mean Value (cell area weighted);[7] Minimum Value;[8] Maximum Value;[9] Majority
 QgsProcessingParameterEnum|SCALE_DOWN|Downscaling Method|[0] Nearest Neighbor;[1] Bilinear Interpolation;[2] Inverse Distance Interpolation;[3] Bicubic Spline Interpolation;[4] B-Spline Interpolation
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterLayer|TARGET_TEMPLATE|Target system|None|True

diff --git a/python/plugins/processing/algs/saga/description/ShapestoGrid.txt b/python/plugins/processing/algs/saga/description/ShapestoGrid.txt
@@ -8,7 +8,7 @@ QgsProcessingParameterEnum|MULTIPLE|Method for Multiple Values|[0] first;[1] las
 QgsProcessingParameterEnum|LINE_TYPE|Method for Lines|[0] thin;[1] thick
 QgsProcessingParameterEnum|POLY_TYPE|Method for Lines|[0] node;[1] cell
 QgsProcessingParameterEnum|GRID_TYPE|Preferred Target Grid Type|[0] Integer (1 byte);[1] Integer (2 byte);[2] Integer (4 byte);[3] Floating Point (4 byte);[4] Floating Point (8 byte)|False|3
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|GRID|Rasterized
diff --git a/python/plugins/processing/algs/saga/description/SimpleKriging.txt b/python/plugins/processing/algs/saga/description/SimpleKriging.txt
@@ -11,7 +11,7 @@ QgsProcessingParameterNumber|VAR_NCLASSES|Lag Distance Classes|QgsProcessingPara
 QgsProcessingParameterNumber|VAR_NSKIP|Skip|QgsProcessingParameterNumber.Integer|1|False| 1|None
 QgsProcessingParameterString|VAR_MODEL|Model
 Hardcoded|-TARGET_DEFINITION 0
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells|False|0
 QgsProcessingParameterRasterLayer|TARGET_TEMPLATE|Target System|None|True

diff --git a/python/plugins/processing/algs/saga/description/ThinPlateSpline(TIN).txt b/python/plugins/processing/algs/saga/description/ThinPlateSpline(TIN).txt
@@ -6,7 +6,7 @@ Hardcoded|-TARGET_DEFINITION 0
 QgsProcessingParameterNumber|REGULARISATION|Regularisation|QgsProcessingParameterNumber.Double|0.0001|False|0.0000|None
 QgsProcessingParameterEnum|LEVEL|Neighbourhood|[0] immediate;[1] level 1;[2] level 2
 QgsProcessingParameterBoolean|FRAME|Add Frame|True
-Extent TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX
+QgsProcessingParameterExtent|TARGET_USER_XMIN TARGET_USER_XMAX TARGET_USER_YMIN TARGET_USER_YMAX|Output extent|None|True
 QgsProcessingParameterNumber|TARGET_USER_SIZE|Cellsize|QgsProcessingParameterNumber.Double|100.0|False|None|None
 QgsProcessingParameterEnum|TARGET_USER_FITS|Fit|[0] nodes;[1] cells
 QgsProcessingParameterRasterDestination|TARGET_OUT_GRID|Grid