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Fix for running layers from IMs #196

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Fix for running layers from IMs #196

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Binary file added src/cplus_plugin/app_data/layers/null_raster_im.tif
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74 changes: 55 additions & 19 deletions src/cplus_plugin/gui/qgis_cplus_main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -698,7 +698,7 @@ def run_scenario_analysis(self):
"OUTPUT": output_file,
}

log(f"Used parameters for highest position analysis {alg_params}")
log(f"Used parameters for highest position analysis: {alg_params}")

alg = QgsApplication.processingRegistry().algorithmById(
"native:highestpositioninrasterstack"
Expand Down Expand Up @@ -745,6 +745,30 @@ def run_scenario_analysis(self):
)
return

def transfrom_extent(self, extent, source_crs, dest_crs):
"""Transforms the passed extent into the destionation crs

:param extent: Target extent
:type extent: SpatialExtent

:param source_crs: Source CRS of the passed extent
:type source_crs: QgsCoordinateReferenceSystem

:param dest_crs: Destination CRS
:type dest_crs: QgsCoordinateReferenceSystem
"""

box = QgsRectangle(
float(extent.bbox[0]),
float(extent.bbox[1]),
float(extent.bbox[2]),
float(extent.bbox[3]),
)
transform = QgsCoordinateTransform(source_crs, dest_crs, QgsProject.instance())
transformed_extent = transform.transformBoundingBox(box)

return tranformed_extent

def main_task(self):
"""Serves as a QgsTask function for the main task that contains
smaller sub-tasks running the actual processing calculations.
Expand Down Expand Up @@ -784,7 +808,22 @@ def run_pathways_analysis(self, models, priority_layers_groups, extent):

for model in models:
if not model.pathways:
return False
if model.layer is not None:
source_crs = QgsCoordinateReferenceSystem("EPSG:4326")
transformed_extent = self.transform_extent(
extent, source_crs, layer.crs()
)

extent_string = (
f"{transformed_extent.xMinimum()},{transformed_extent.xMaximum()},"
f"{transformed_extent.yMinimum()},{transformed_extent.yMaximum()}"
f" [{layer.crs().authid()}]"
)
self.run_models_analysis(
models, priority_layers_groups, extent_string
)
else:
return False

new_ims_directory = f"{self.scenario_directory}/pathways_carbon_layers"
carbon_coefficient = float(
Expand Down Expand Up @@ -817,19 +856,10 @@ def run_pathways_analysis(self, models, priority_layers_groups, extent):
)
expression = " + ".join(basenames)

box = QgsRectangle(
float(extent.bbox[0]),
float(extent.bbox[1]),
float(extent.bbox[2]),
float(extent.bbox[3]),
)

source_crs = QgsCoordinateReferenceSystem("EPSG:4326")
dest_crs = QgsRasterLayer(layers[0]).crs()
transform = QgsCoordinateTransform(
source_crs, dest_crs, QgsProject.instance()
)
transformed_extent = transform.transformBoundingBox(box)

transformed_extent = self.transform_extent(extent, source_crs, dest_crs)

extent_string = (
f"{transformed_extent.xMinimum()},{transformed_extent.xMaximum()},"
Expand Down Expand Up @@ -957,15 +987,21 @@ def run_models_analysis(self, models, priority_layers_groups, extent):
self.progress_dialog.scenario_name = tr("implementation models")

for model in models:
if not model.pathways:
return False

basenames = []
layers = []
new_ims_directory = f"{self.scenario_directory}/implementation_models"
FileUtils.create_new_dir(new_ims_directory)
file_name = clean_filename(model.name.replace(" ", "_"))

basenames = []
layers = []
if not model.pathways:
if model.layer is not None:
shutil.copy(str(model.layer.source()), new_ims_directory)
if model_count == len(models) - 1:
self.run_normalization_analysis(
models, priority_layers_groups, extent
)
else:
continue
output_file = f"{new_ims_directory}/{file_name}_{str(uuid.uuid4())[:4]}.tif"

for pathway in model.pathways:
Expand Down Expand Up @@ -1088,7 +1124,7 @@ def run_normalization_analysis(self, models, priority_layers_groups, extent):
for model in models:
if not model.layer:
log(f"There is no raster layer for the model {model.name}")
return False
continue

basenames = []
layers = []
Expand Down