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function toRaster() #28
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- Thread safe layer access - QGIS$mapLayerByName('...') - QGIS$featureCount( a layer ) - QGIS$toDataFrame( a layer ) eg summary(QGIS$toDataFrame(QGIS$activeLayer)) summary(QGIS$toDataFrame(QGIS$mapLayerByName('my layer')))
Shaves a few percentage points off the execution time when iterating over OGR layers
This involves quite a dance -- we can't have optional arguments for cpp functions exposed via InternalFunction, so now we have to create pure R wrappers for the exposed functions instead and set the default values for optional arguments in those. The nice thing is that this gives us the opportunity to add R "sugar" to our functions so that they behave more like standard R modules (eg we could add documentation for them)
…ad-safe methods Now available as: - QGIS$toNumericVector(layer, field, selectedOnly) - QGIS$toSf(layer)
nyalldawson
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messed up PR, closing |
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Function to pass
RasterLayer
toraster
in packageraster
.If this looks ok @nyalldawson, I will extend this to also include
terra
andstars
functions, to pass raster to those packages as well.