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Changing parameter values according to other parameter choice in Processing script using QGIS 3?
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I couldn't find anything about this problem.
Suppose to have the first parameters in a Processing script defined as an Enum:
self.addParameter(
QgsProcessingParameterEnum(
self.CHOICE,
self.tr('Choose the parameter'),
['param1', 'param2']
)
)
While the second one as a number:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
Is it possible to change the minValue, maxValue, description, ecc.. of the second parameter depending on the first or second choice of the first parameter already in the GUI?
e.g. if the user choose param1 then the second parameter should become:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
while if he choose param2 it should became:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My AWESOME value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=0,
optional=False,
minValue=50,
maxValue=500
)
)
pyqgis qgis-processing qgis-3 parameters
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
add a comment |
I couldn't find anything about this problem.
Suppose to have the first parameters in a Processing script defined as an Enum:
self.addParameter(
QgsProcessingParameterEnum(
self.CHOICE,
self.tr('Choose the parameter'),
['param1', 'param2']
)
)
While the second one as a number:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
Is it possible to change the minValue, maxValue, description, ecc.. of the second parameter depending on the first or second choice of the first parameter already in the GUI?
e.g. if the user choose param1 then the second parameter should become:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
while if he choose param2 it should became:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My AWESOME value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=0,
optional=False,
minValue=50,
maxValue=500
)
)
pyqgis qgis-processing qgis-3 parameters
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
add a comment |
I couldn't find anything about this problem.
Suppose to have the first parameters in a Processing script defined as an Enum:
self.addParameter(
QgsProcessingParameterEnum(
self.CHOICE,
self.tr('Choose the parameter'),
['param1', 'param2']
)
)
While the second one as a number:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
Is it possible to change the minValue, maxValue, description, ecc.. of the second parameter depending on the first or second choice of the first parameter already in the GUI?
e.g. if the user choose param1 then the second parameter should become:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
while if he choose param2 it should became:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My AWESOME value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=0,
optional=False,
minValue=50,
maxValue=500
)
)
pyqgis qgis-processing qgis-3 parameters
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
I couldn't find anything about this problem.
Suppose to have the first parameters in a Processing script defined as an Enum:
self.addParameter(
QgsProcessingParameterEnum(
self.CHOICE,
self.tr('Choose the parameter'),
['param1', 'param2']
)
)
While the second one as a number:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
Is it possible to change the minValue, maxValue, description, ecc.. of the second parameter depending on the first or second choice of the first parameter already in the GUI?
e.g. if the user choose param1 then the second parameter should become:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=40,
optional=False,
minValue=0,
maxValue=100
)
)
while if he choose param2 it should became:
self.addParameter(
QgsProcessingParameterNumber(
name=self.VALUE,
description=self.tr('My AWESOME value'),
type=QgsProcessingParameterNumber.Double,
defaultValue=0,
optional=False,
minValue=50,
maxValue=500
)
)
pyqgis qgis-processing qgis-3 parameters
pyqgis qgis-processing qgis-3 parameters
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
edited Jun 7 '18 at 19:54
PolyGeo♦
53.6k1780240
53.6k1780240
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
asked Jun 7 '18 at 13:13
matteomatteo
1,244825
1,244825
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
No, there's no support for this in existing QGIS versions (<= 3.6). You'd need to address this at runtime, and add a check that the evaluated parameter value falls into the acceptable range (raising a QgsProcessingException otherwise)
answered 12 mins ago
ndawsonndawson
19.7k22741
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
No, there's no support for this in existing QGIS versions (<= 3.6). You'd need to address this at runtime, and add a check that the evaluated parameter value falls into the acceptable range (raising a QgsProcessingException otherwise)
answered 12 mins ago
ndawsonndawson
19.7k22741
add a comment |
No, there's no support for this in existing QGIS versions (<= 3.6). You'd need to address this at runtime, and add a check that the evaluated parameter value falls into the acceptable range (raising a QgsProcessingException otherwise)
answered 12 mins ago
ndawsonndawson
19.7k22741
add a comment |
No, there's no support for this in existing QGIS versions (<= 3.6). You'd need to address this at runtime, and add a check that the evaluated parameter value falls into the acceptable range (raising a QgsProcessingException otherwise)
answered 12 mins ago
ndawsonndawson
19.7k22741
No, there's no support for this in existing QGIS versions (<= 3.6). You'd need to address this at runtime, and add a check that the evaluated parameter value falls into the acceptable range (raising a QgsProcessingException otherwise)
answered 12 mins ago
ndawsonndawson
19.7k22741
answered 12 mins ago
ndawsonndawson
19.7k22741
answered 12 mins ago
ndawsonndawson
19.7k22741
answered 12 mins ago
ndawsonndawson
19.7k22741
19.7k22741
add a comment |
add a comment |
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