add create options support to QgsGridFileWirter (follow-up 2aa6c5d)

python/PyQt6/analysis/auto_generated/interpolation/qgsgridfilewriter.sip.in

@@ -37,6 +37,24 @@ Writes the grid file.
 An optional ``feedback`` object can be set for progress reports and cancellation support
 
 :return: 0 in case of success
+%End
+
+    void setCreateOptions( const QStringList &list );
+%Docstring
+Sets a list of data source creation options to use when creating the output raster file.
+
+.. seealso:: :py:func:`createOptions`
+
+.. versionadded:: 3.44
+%End
+
+    QStringList createOptions() const;
+%Docstring
+Returns the list of data source creation options which will be used when creating the output raster file.
+
+.. seealso:: :py:func:`setCreateOptions`
+
+.. versionadded:: 3.44
 %End
 
 };

python/analysis/auto_generated/interpolation/qgsgridfilewriter.sip.in

@@ -37,6 +37,24 @@ Writes the grid file.
 An optional ``feedback`` object can be set for progress reports and cancellation support
 
 :return: 0 in case of success
+%End
+
+    void setCreateOptions( const QStringList &list );
+%Docstring
+Sets a list of data source creation options to use when creating the output raster file.
+
+.. seealso:: :py:func:`createOptions`
+
+.. versionadded:: 3.44
+%End
+
+    QStringList createOptions() const;
+%Docstring
+Returns the list of data source creation options which will be used when creating the output raster file.
+
+.. seealso:: :py:func:`setCreateOptions`
+
+.. versionadded:: 3.44
 %End
 
 };

src/analysis/interpolation/qgsgridfilewriter.cpp

@@ -45,6 +45,7 @@ int QgsGridFileWriter::writeFile( QgsFeedback *feedback )
   auto writer = std::make_unique<QgsRasterFileWriter>( mOutputFilePath );
   writer->setOutputProviderKey( QStringLiteral( "gdal" ) );
   writer->setOutputFormat( outputFormat );
+  writer->setCreateOptions( mCreateOptions );
 
   std::unique_ptr<QgsRasterDataProvider> provider( writer->createOneBandRaster( Qgis::DataType::Float32, mNumColumns, mNumRows, mInterpolationExtent, crs ) );
   if ( !provider )

src/analysis/interpolation/qgsgridfilewriter.h

@@ -53,6 +53,22 @@ class ANALYSIS_EXPORT QgsGridFileWriter
     */
     int writeFile( QgsFeedback *feedback = nullptr );
 
+    /**
+     * Sets a list of data source creation options to use when creating the output raster file.
+     *
+     * \see createOptions()
+     * \since QGIS 3.44t
+     */
+    void setCreateOptions( const QStringList &list ) { mCreateOptions = list; }
+
+    /**
+     * Returns the list of data source creation options which will be used when creating the output raster file.
+     *
+     * \see setCreateOptions()
+     * \since QGIS 3.44
+     */
+    QStringList createOptions() const { return mCreateOptions; }
+
   private:
     QgsGridFileWriter() = delete;
 
@@ -64,6 +80,8 @@ class ANALYSIS_EXPORT QgsGridFileWriter
 
     double mCellSizeX = 0;
     double mCellSizeY = 0;
+
+    QStringList mCreateOptions;
 };
 
 #endif

tests/src/python/test_analysis_interpolation.py

@@ -79,6 +79,23 @@ class TestInterpolation(QgisTestCase):
         writer = QgsGridFileWriter(interpolator, output_file, extent, cols, rows)
         writer.writeFile()
 
+        checker = QgsRasterChecker()
+        ok = checker.runTest(
+            "gdal",
+            output_file,
+            "gdal",
+            os.path.join(TEST_DATA_DIR, "analysis", "idw_interpolation.tif"),
+        )
+        self.report += checker.report()
+        self.assertTrue(ok)
+
+        tfw_file = os.path.join(tempfile.gettempdir(), "idw_interpolation.tfw")
+        self.assertFalse(os.path.exists(tfw_file))
+
+        # with raster creation options
+        writer.setCreateOptions(["TFW=yes"])
+        writer.writeFile()
+
         checker = QgsRasterChecker()
         ok = checker.runTest(
             "gdal",
@@ -93,6 +110,7 @@ class TestInterpolation(QgisTestCase):
             f.write(self.report)
 
         self.assertTrue(ok)
+        self.assertTrue(os.path.exists(tfw_file))
 
     def test_tin_interpolator(self):
         layer = QgsVectorLayer(
@@ -124,6 +142,22 @@ class TestInterpolation(QgisTestCase):
         writer.writeFile()
 
         checker = QgsRasterChecker()
+        ok = checker.runTest(
+            "gdal",
+            output_file,
+            "gdal",
+            os.path.join(TEST_DATA_DIR, "analysis", "tin_interpolation.tif"),
+        )
+        self.report += checker.report()
+        self.assertTrue(ok)
+
+        tfw_file = os.path.join(tempfile.gettempdir(), "tin_interpolation.tfw")
+        self.assertFalse(os.path.exists(tfw_file))
+
+        # with raster creation options
+        writer.setCreateOptions(["TFW=yes"])
+        writer.writeFile()
+
         ok = checker.runTest(
             "gdal",
             output_file,
@@ -137,6 +171,7 @@ class TestInterpolation(QgisTestCase):
             f.write(self.report)
 
         self.assertTrue(ok)
+        self.assertTrue(os.path.exists(tfw_file))
 
 
 if __name__ == "__main__":