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buildings.py
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from pathlib import Path, PurePath
import csv
import re
import numpy as np
import enum
from typing import Union
import qgis.core
import qgis.utils
import plugins.processing as processing
import qgis.PyQt.QtCore
import qgis.PyQt.QtWidgets
class ShapePlReg(enum.Enum):
Yes = 'Y'
No = 'N'
Enough = 'E'
class Side(enum.Enum):
Front = 'front'
Left = 'left'
Right = 'right'
Back = 'back'
class PlanLoc(enum.Enum):
Center = 'C'
Angle = 'A'
End = 'E'
Isolated = qgis.core.NULL
class DifHeight(enum.Enum):
Yes = 'Y'
No = 'N'
Isolated = qgis.core.NULL
field_var_suffix = "_field"
layer_var_suffix = "_layer"
class MessageBoxType(enum.Enum):
Question = ('Question', qgis.PyQt.QtWidgets.QMessageBox.question)
Information = ('Information', qgis.PyQt.QtWidgets.QMessageBox.information)
Warning = ('Warning', qgis.PyQt.QtWidgets.QMessageBox.warning)
Critical = ('Critical', qgis.PyQt.QtWidgets.QMessageBox.critical)
def message_box(
type: MessageBoxType,
parent: qgis.PyQt.QtWidgets.QWidget = None,
title: str = None,
text: str = None,
**kwargs
):
if not title: title = type.value[0]
type.value[1](parent, title, text, **kwargs)
def field_var_name(default_field_name: str) -> str:
return default_field_name + field_var_suffix
def layer_var_name(default_layer_name: str) -> str:
return default_layer_name + layer_var_suffix
def check_layer_field_var_and_setup(
main_layer: qgis.core.QgsVectorLayer,
default_field_name: str,
req_type: qgis.PyQt.QtCore.QVariant.Type = qgis.PyQt.QtCore.QVariant.Invalid,
req_len: int = 0,
req_prec: int = 0
):
if check_layer_field_var(main_layer=main_layer, default_field_name=default_field_name):
if check_field_properties_and_setup(field=default_field_name, layer=main_layer, req_type=req_type, req_len=req_len, req_prec=req_prec): return
field = add_field(
layer=main_layer,
field_name=default_field_name,
type=req_type,
len=req_len,
prec=req_prec
)
set_layer_field_var(main_layer=main_layer, default_field_name=default_field_name, value=field.name())
print(f"The variable {field_var_name(default_field_name)} has been set to the added default field {default_field_name}")
def check_layer_layer_var(
main_layer: qgis.core.QgsVectorLayer,
default_layer_name: str
) -> bool:
var_name = layer_var_name(default_layer_name)
var_value = qgis.core.QgsExpressionContextUtils.layerScope(main_layer).variable(var_name)
if var_value:
match_list = qgis.core.QgsProject.instance().mapLayersByName(layerName=var_value)
if match_list:
print(f"The variable {var_name} was valid")
return True
match_list = qgis.core.QgsProject.instance().mapLayersByName(layerName=default_layer_name)
if match_list:
set_layer_layer_var(main_layer=main_layer, default_layer_name=default_layer_name, value=default_layer_name)
print(f"The variable {var_name} has been set to the existing layer {default_layer_name}")
return True
set_layer_layer_var(main_layer=main_layer, default_layer_name=default_layer_name)
print(f"The variable {var_name} was not valid and the default layer did not exist")
return False
def check_layer_field_var(
main_layer: qgis.core.QgsVectorLayer,
default_field_name: str
) -> bool:
var_name = field_var_name(default_field_name)
var_value = qgis.core.QgsExpressionContextUtils.layerScope(main_layer).variable(var_name)
fields = main_layer.fields()
if var_value:
index = fields.indexFromName(var_value)
if index != -1:
print(f"The variable {var_name} was valid")
return True
index = fields.indexFromName(default_field_name)
if index != -1:
set_layer_field_var(main_layer=main_layer, default_field_name=default_field_name, value=default_field_name)
print(f"The variable {var_name} has been set to the existing field {default_field_name}")
return True
set_layer_field_var(main_layer=main_layer, default_field_name=default_field_name)
print(f"The variable {var_name} was not valid and the default field did not exist")
return False
def check_field_properties_and_setup(
field: Union[int, str, qgis.core.QgsField],
layer: qgis.core.QgsVectorLayer = None,
req_type: qgis.PyQt.QtCore.QVariant.Type = qgis.PyQt.QtCore.QVariant.Invalid,
req_len: int = 0,
req_prec: int = 0
) -> bool:
if layer:
if isinstance(field, str):
index = layer.fields().indexFromName(field)
if index == -1: index = layer.fields().indexFromName(qgis.core.QgsExpressionContextUtils.layerScope(layer).variable(field_var_name(field)))
if index == -1: return False
field = index
if isinstance(field, int):
try: field = layer.fields()[field]
except: return False
if not isinstance(field, qgis.core.QgsField): return False
if field.length() < req_len and field.length() != 0 : field.setLength(req_len)
if field.precision() < req_prec and field.precision() != 0 : field.setPrecision(req_prec)
if field.type() != req_type: return False
print(f"Field {field.name()} is of the type {field.type()} and {req_type} was required")
return True
def add_field(
layer: qgis.core.QgsVectorLayer,
field_name: str,
type: qgis.PyQt.QtCore.QVariant.Type = qgis.PyQt.QtCore.QVariant.Invalid,
len: int = 0,
prec: int = 0
) -> qgis.core.QgsField:
prog_num = 1
while layer.fields().indexFromName(field_name) != -1:
prog_num += 1
field_name = field_name + " " + str(prog_num)
field = qgis.core.QgsField(
name = field_name,
type = type,
len = len,
prec = prec
)
pr = layer.dataProvider()
pr.addAttributes([field])
layer.updateFields()
#layer.addAttribute(field = field)
return field
def set_layer_field_var(
main_layer: qgis.core.QgsVectorLayer,
default_field_name: str,
value: str = ""
):
qgis.core.QgsExpressionContextUtils.setLayerVariable(layer=main_layer, name=field_var_name(default_field_name), value=value)
def set_layer_layer_var(
main_layer: qgis.core.QgsVectorLayer,
default_layer_name: str,
value: str = ""
):
qgis.core.QgsExpressionContextUtils.setLayerVariable(layer=main_layer, name=layer_var_name(default_layer_name), value=value)
def field_default_name_from_fieldname_in_layer(
layer: qgis.core.QgsVectorLayer,
field_name: str
) -> str:
layer_scope = qgis.core.QgsExpressionContextUtils.layerScope(layer)
variables_name_list = layer_scope.filteredVariableNames()
for variable_name in variables_name_list:
match = re.search(re.compile('^(.*)' + field_var_suffix + '$'), variable_name)
if match:
if layer_scope.variable(variable_name) == field_name: return match.group(1)
return None
def find_node_parent_and_index(node: qgis.core.QgsLayerTreeNode) -> (qgis.core.QgsLayerTreeNode, int):
parent = node.parent()
children = parent.children()
for index in range(0, len(children)):
if children[index].nodeType() == node.nodeType() and children[index].name() == node.name():
return (parent, index)
return (parent, None)
def layer_from_name(layer_name: str) -> list[qgis.core.QgsVectorLayer]:
project = qgis.core.QgsProject.instance()
layer_list = project.mapLayersByName(layerName=layer_name)
return layer_list
def check_layer_in_group(
layer: qgis.core.QgsVectorLayer,
group: qgis.core.QgsLayerTreeGroup
) -> qgis.core.QgsLayerTreeLayer:
layer_tree_layer = group.findLayer(layer)
return layer_tree_layer
def move_loaded_layer_in_group(
layer: qgis.core.QgsVectorLayer,
group: qgis.core.QgsLayerTreeGroup
):
root = qgis.core.QgsProject.instance().layerTreeRoot()
layer_tree_node = root.findLayer(layer.id())
layer_tree_node_clone = layer_tree_node.clone()
parent = layer_tree_node.parent()
group.insertChildNode(index=0, node=layer_tree_node_clone)
parent.removeChildNode(layer_tree_node)
def create_group(
name: str,
in_group: qgis.core.QgsLayerTreeGroup = None,
above_layer: qgis.core.QgsVectorLayer = None,
under_layer: qgis.core.QgsVectorLayer = None
) -> qgis.core.QgsLayerTreeGroup:
project = qgis.core.QgsProject.instance()
root = project.layerTreeRoot()
parent = None
index = None
if under_layer:
under_layer_node = root.findLayer(under_layer)
if under_layer_node:
(parent, index) = find_node_parent_and_index(under_layer_node)
index += 1
elif above_layer:
above_layer_node = root.findLayer(above_layer)
if above_layer_node:
(parent, index) = find_node_parent_and_index(above_layer_node)
elif in_group:
parent = in_group
if not parent: parent = root
if not index: index = 0
prog_num = 1
while root.findGroup(name):
prog_num += 1
name = name + " " + str(prog_num)
group = parent.insertGroup(index=index, name=name)
return group
def add_layer_to_project(
layer: qgis.core.QgsVectorLayer,
in_group: qgis.core.QgsLayerTreeGroup = None,
name: str = None
):
project = qgis.core.QgsProject.instance()
if not in_group: in_group = project.layerTreeRoot()
if name: layer.setName(name)
project.addMapLayer(layer, False)
in_group.insertLayer(index = 0, layer=layer)
def remove_group_and_all_children(group: qgis.core.QgsLayerTreeGroup):
group.removeAllChildren()
group.parent().removeChildNode(group)
def exec_process_vect_layer_add_results(
algorithm_name: str,
parameters: dict,
vector_layer: qgis.core.QgsVectorLayer,
vector_layer_param_name: str,
expected_fields_names_result: list[str],
selected_features_only: bool = False
):
feature_request = qgis.core.QgsFeatureRequest()
orig_fields = vector_layer.fields()
orig_fields_names = [field.name() for field in orig_fields]
subset_fields_names = [field_name for field_name in orig_fields_names if field_name not in expected_fields_names_result]
feature_request.setSubsetOfAttributes(subset_fields_names, orig_fields)
if selected_features_only:
features_ids_to_update = [feature.id() for feature in vector_layer.getSelectedFeatures()]
feature_request.setFilterFids(vector_layer.selectedFeatureIds())
else:
features_ids_to_update = [feature.id() for feature in vector_layer.getFeatures()]
temp_layer = vector_layer.materialize(feature_request)
project = qgis.core.QgsProject.instance()
project.addMapLayer(temp_layer, False)
temp_layer.setName('temp_layer')
parameters[vector_layer_param_name] = 'temp_layer'
results = processing.run(algorithm_name, parameters)
layer_result = results['OUTPUT']
project.addMapLayer(layer_result, False)
features_result = [*(layer_result.getFeatures())]
project.removeMapLayer(temp_layer.id())
fields_to_check = []
fields_to_add = []
for field in layer_result.fields():
if field.name() in expected_fields_names_result:
if field.name() in orig_fields_names: fields_to_check.append(field)
else: fields_to_add.append(field)
fields_indexes_to_delete = []
for field in fields_to_check:
if not check_field_properties_and_setup(
field = field.name(),
layer = vector_layer,
req_type = field.type(),
req_len = field.length(),
req_prec = field.precision()
):
fields_indexes_to_delete.append(orig_fields.indexFromName(field.name()))
fields_to_add.append(field)
vector_layer.deleteAttributes(fields_indexes_to_delete)
print(fields_to_add)
for field in fields_to_add:
add_field(
layer = vector_layer,
field_name = field.name(),
type = field.type(),
len = field.length(),
prec = field.precision()
)
#vector_layer.commitChanges()
#vector_layer.startEditing()
for i in range(len(features_ids_to_update)):
for field_name in expected_fields_names_result:
vector_layer.changeAttributeValue(
fid = features_ids_to_update[i],
field = vector_layer.fields().indexFromName(field_name),
newValue = features_result[i][field_name]
)
project.removeMapLayer(layer_result.id())
def execute_field_calculator(
vector_layer: qgis.core.QgsVectorLayer,
expression: Union[str, qgis.core.QgsExpression],
result_field: Union[int, str, qgis.core.QgsField],
req_type: qgis.PyQt.QtCore.QVariant.Type = qgis.PyQt.QtCore.QVariant.Invalid,
req_len: int = 0,
req_prec: int = 0,
selected_features_only: bool = False
):
if isinstance(expression, str): expression = qgis.core.QgsExpression(expression)
vector_layer_fields = vector_layer.fields()
if isinstance(result_field, qgis.core.QgsField):
result_field_name = result_field.name()
result_field_index = vector_layer_fields.indexFromName(result_field_name)
elif isinstance(result_field, str):
result_field_name = result_field
result_field_index = vector_layer_fields.indexFromName(result_field_name)
if result_field_index == -1:
name_from_variable = qgis.core.QgsExpressionContextUtils.layerScope(vector_layer).variable(field_var_name(result_field_name))
result_field_index = vector_layer_fields.indexFromName(name_from_variable)
if result_field_index != -1: result_field_name = name_from_variable
if result_field_index != -1: result_field = vector_layer_fields[result_field_index]
elif isinstance(result_field, int):
result_field_index = result_field
if not vector_layer_fields.exists(result_field_index):
print(f"Field with index {result_field_index} not found")
return
result_field = vector_layer_fields[result_field_index]
result_field_name = result_field.name()
else:
print(f"The object {result_field} cannot represent the field to update or to create")
return
if result_field_index != -1:
if not check_field_properties_and_setup(
field = result_field_index,
layer = vector_layer,
req_type = req_type,
req_len = req_len,
req_prec = req_prec
):
vector_layer.deleteAttribute(result_field_index)
result_field_index = -1
if result_field_index == -1:
result_field = add_field(
layer = vector_layer,
field_name = result_field_name,
type = req_type,
len = req_len,
prec = req_prec
)
result_field_name = result_field.name()
print(f"Field {result_field_name} added")
vector_layer_fields = vector_layer.fields()
result_field_index = vector_layer_fields.indexFromName(result_field_name)
context = qgis.core.QgsExpressionContext()
context.appendScopes(qgis.core.QgsExpressionContextUtils.globalProjectLayerScopes(vector_layer))
if selected_features_only:
features_to_update = list(vector_layer.getSelectedFeatures())
else:
features_to_update = list(vector_layer.getFeatures())
#prepare the progressMessageBar
progressMessageBar = qgis.utils.iface.messageBar().createMessage("Evaluating the Field {result_field_name} with the field calculator...")
progress = qgis.PyQt.QtWidgets.QProgressBar()
progress.setMaximum(len(features_to_update))
progress.setAlignment(qgis.PyQt.QtCore.Qt.AlignLeft|qgis.PyQt.QtCore.Qt.AlignVCenter)
progressMessageBar.layout().addWidget(progress)
qgis.utils.iface.messageBar().pushWidget(progressMessageBar, qgis.core.Qgis.Info)
i = 0
progress.setValue(i)
for feature in features_to_update:
context.setFeature(feature)
result = expression.evaluate(context)
#feature[result_field_name] = result
vector_layer.changeAttributeValue(
fid = feature.id(),
field = result_field_index,
newValue = result
)
i += 1
progress.setValue(i)
qgis.utils.iface.messageBar().clearWidgets()
def check_oriented_bounding_box_aspect_ratio(feature_layer: qgis.core.QgsVectorLayer) -> bool:
params_oriented_minimum_bounding_box = {
'INPUT': feature_layer.name(),
'OUTPUT': 'memory:'
}
results = processing.run("native:orientedminimumboundingbox", params_oriented_minimum_bounding_box)
oriented_bounding_box_layer = results['OUTPUT']
oriented_bounding_box_layer.setName('oriented_bounding_box_layer')
project = qgis.core.QgsProject.instance()
project.addMapLayer(oriented_bounding_box_layer, False)
oriented_bounding_box = list(oriented_bounding_box_layer.getFeatures())[0]
oriented_bounding_box_dimensions = [oriented_bounding_box['width'], oriented_bounding_box['height']]
oriented_bounding_box_dimensions.sort()
check = oriented_bounding_box_dimensions[1] / oriented_bounding_box_dimensions[0] < 4
project.removeMapLayer(oriented_bounding_box_layer.id())
return check
def check_convex_shape_extra_area(feature_layer: qgis.core.QgsVectorLayer) -> bool:
params_convexhull = {
'INPUT': feature_layer.name(),
'OUTPUT': 'memory:'
}
results = processing.run("native:convexhull", params_convexhull)
convexhull_layer = results['OUTPUT']
convexhull_layer.setName('convexhull_layer')
project = qgis.core.QgsProject.instance()
project.addMapLayer(convexhull_layer, False)
convexhull = list(convexhull_layer.getFeatures())[0]
feature = list(feature_layer.getFeatures())[0]
feature_area = feature.geometry().area() #how should any inside atriums be considered? The legislation is not clear on this. In this script they are considered as missing_area
convexhull_area = convexhull['area']
missing_area = convexhull_area - feature_area
check = missing_area / feature_area <= 0.05
project.removeMapLayer(convexhull_layer.id())
return check
pass
def features_touching_feature(
features_layer: qgis.core.QgsVectorLayer,
feature_layer: qgis.core.QgsVectorLayer
) -> qgis.core.QgsVectorLayer:
params_extract_by_location_touch = {
'INPUT': features_layer.name(),
'PREDICATE': [4], #touch
'INTERSECT': feature_layer.name(),
'OUTPUT': 'memory:'
}
extract_by_location_touch_results = processing.run('native:extractbylocation', params_extract_by_location_touch)
touching_features_layer = extract_by_location_touch_results['OUTPUT']
return touching_features_layer
def centroids(input_layer: qgis.core.QgsVectorLayer) -> qgis.core.QgsVectorLayer:
params_centroids = {
'INPUT': input_layer.name(),
'OUTPUT': 'memory:'
}
centroids_results = processing.run('native:centroids', params_centroids)
centroids_layer = centroids_results['OUTPUT']
return centroids_layer
def boundary(input_layer: qgis.core.QgsVectorLayer) -> qgis.core.QgsVectorLayer:
params_boundary = {
'INPUT': input_layer.name(),
'OUTPUT': 'memory:'
}
boundary_results = processing.run('native:boundary', params_boundary)
boundary_layer = boundary_results['OUTPUT']
return boundary_layer
def intersection(
input_layer: qgis.core.QgsVectorLayer,
overlay_layer: qgis.core.QgsVectorLayer
) -> qgis.core.QgsVectorLayer:
params_intersection = {
'INPUT': input_layer.name(),
'OVERLAY': overlay_layer.name(),
'OUTPUT': 'memory:'
}
intersection_results = processing.run('native:intersection', params_intersection)
intersection_layer = intersection_results['OUTPUT']
return intersection_layer
def explodelines(input_layer: qgis.core.QgsVectorLayer) -> qgis.core.QgsVectorLayer:
params_explodelines = {
'INPUT': input_layer.name(),
'OUTPUT': 'memory:'
}
exploded_lines_results = processing.run('native:explodelines', params_explodelines)
exploded_lines_layer = exploded_lines_results['OUTPUT']
return exploded_lines_layer
def contact_lines_analyses(
contact_lines_layer: qgis.core.QgsVectorLayer,
centroid_layer: qgis.core.QgsVectorLayer
) -> dict:
show_temp_layers = True
if show_temp_layers:
contact_lines_layer.startEditing()
side_field = add_field(
layer = contact_lines_layer,
field_name = "Side",
type = qgis.PyQt.QtCore.QVariant.String
)
contact_lines = list(contact_lines_layer.getFeatures())
centroid_feature = list(centroid_layer.getFeatures())[0]
centroid_point = centroid_feature.geometry().asPoint()
centroid_pos = np.array([centroid_point.x(), centroid_point.y()])
directions_distribution = {
Side.Front : [],
Side.Left : [],
Side.Right : [],
Side.Back : []
}
for line_feature in contact_lines:
line_polyline = line_feature.geometry().asPolyline()
startpoint_point = line_polyline[0]
endpoint_point = line_polyline[-1]
startpoint_pos = np.array([startpoint_point.x(), startpoint_point.y()])
endpoint_pos = np.array([endpoint_point.x(), endpoint_point.y()])
contact_angle = rad_angle_in_range(rad_direction_angle(startpoint_pos, endpoint_pos) - np.pi/2)
centroid_angle_from_startpoint = rad_direction_angle(startpoint_pos, centroid_pos)
centroid_side_from_startpoint = rad_angle_to_side(centroid_angle_from_startpoint, contact_angle)
if centroid_side_from_startpoint is not Side.Left:
centroid_side = centroid_side_from_startpoint
else:
centroid_angle_from_endpoint = rad_direction_angle(endpoint_pos, centroid_pos)
centroid_side_from_endpoint = rad_angle_to_side(centroid_angle_from_endpoint, contact_angle)
if centroid_side_from_endpoint is Side.Right:
centroid_side = Side.Front
else: centroid_side = centroid_side_from_endpoint
if show_temp_layers:
contact_lines_layer.changeAttributeValue(
fid = line_feature.id(),
field = contact_lines_layer.fields().indexFromName(side_field.name()),
newValue = centroid_side.value
)
directions_distribution[centroid_side].append({
'angle' : contact_angle,
'length' : distance(startpoint_pos, endpoint_pos)
})
if show_temp_layers:
contact_lines_layer.commitChanges()
#sort the lists of dictionaries, in the dictionary, by the angle value
for k, v in directions_distribution.items():
v.sort(key = lambda d: d['angle'])
return directions_distribution
def rad_direction_angle(
startpoint: np.array,
endpoint: np.array,
) -> float:
return np.arctan2(endpoint[1] - startpoint[1], endpoint[0] - startpoint[0])
def distance(
point1: np.array,
point2: np.array
) -> float:
return np.sqrt((point1[0] - point2[0]) ** 2 + (point1[1] - point2[1]) ** 2)
def rad_angle_in_range(rad_angle: float):
while not -np.pi < rad_angle <= np.pi :
if rad_angle <= -np.pi :
rad_angle += np.pi*2
elif rad_angle > np.pi:
rad_angle -= np.pi*2
return rad_angle
def rad_angle_to_side(
angle: float,
reference_angle: float = 0.
):
angle -= reference_angle
angle = rad_angle_in_range(angle)
if angle == 0.: return Side.Front
elif angle < 0.:
if angle > -np.pi/2 : return Side.Right
else:
if angle < np.pi/2 : return Side.Left
return Side.Back
def leftandrightsides_to_front(
directions_distribution: dict
) -> dict:
if not (directions_distribution[Side.Left] and directions_distribution[Side.Right]): return directions_distribution
new_front_directions = []
tolerance = np.pi/8
for leftdir in directions_distribution[Side.Left]:
rightdir = min(directions_distribution[Side.Right], key=(lambda dir1, dir2=leftdir: min_angle_between_directions(dir1['angle'], dir2['angle'])))
if rightdir and min_angle_between_directions(rightdir['angle'], leftdir['angle']) < tolerance:
new_front_dir = {
'angle': bisector(rightdir['angle'], leftdir['angle']),
'length': rightdir['length'] + leftdir['length']
}
if new_front_dir not in new_front_directions: new_front_directions.append(new_front_dir)
for rightdir in directions_distribution[Side.Right]:
leftdir = min(directions_distribution[Side.Left], key=(lambda dir1, dir2=rightdir: min_angle_between_directions(dir2['angle'], dir1['angle'])))
if leftdir and min_angle_between_directions(rightdir['angle'], leftdir['angle']) < tolerance:
new_front_dir = {
'angle': bisector(rightdir['angle'], leftdir['angle']),
'length': rightdir['length'] + leftdir['length']
}
if new_front_dir not in new_front_directions: new_front_directions.append(new_front_dir)
directions_distribution[Side.Front].extend(new_front_directions)
return directions_distribution
def directions_distribution_analysis(
directions_distribution: dict
) -> PlanLoc:
if len(directions_distribution[Side.Front]) < 2: return PlanLoc.End
frontdirs = [direction['angle'] for direction in directions_distribution[Side.Front]]
global_max_span_angle = 0
for direction in frontdirs:
max_span_angle = max([min_angle_between_directions(other_dir, direction) for other_dir in frontdirs])
if max_span_angle > global_max_span_angle : global_max_span_angle = max_span_angle
tolerance = np.pi/8
if global_max_span_angle > np.pi - tolerance:
return PlanLoc.Center
elif global_max_span_angle > np.pi/2 - tolerance:
return PlanLoc.Angle
else:
return PlanLoc.End
def min_angle_between_directions(
direction1: float,
direction2: float
) -> float :
directions = [direction1, direction2]
directions.sort()
angle = directions[1] - directions[0]
if angle > np.pi : angle = 2*np.pi - angle
return angle
def bisector(
direction1: float,
direction2: float
):
directions = [direction1, direction2]
directions.sort()
angle_between = directions[1] - directions[0]
angle_bisector = (directions[1] - directions[0])/2
if angle_between > np.pi :
angle_bisector += np.pi
angle_bisector = rad_angle_in_range(angle_bisector)
return angle_bisector
def singlesidedbuffer(
lines_layer: qgis.core.QgsVectorLayer,
distance: float,
side: int
):
params_singlesidedbuffer = {
'INPUT': lines_layer.name(),
'DISTANCE': distance,
'SIDE': side,
'JOIN_STYLE': 1, #miter
'OUTPUT': 'memory:'
}
singlesidedbuffer_results = processing.run('native:singlesidedbuffer', params_singlesidedbuffer)
singlesidedbuffer_layer = singlesidedbuffer_results['OUTPUT']
return singlesidedbuffer_layer
def layer_pairs_field_comparison(
buffer1_layer: qgis.core.QgsVectorLayer,
buffer2_layer: qgis.core.QgsVectorLayer,
field_name: str,
tolerance: float
) -> bool:
buffer1_features = list(buffer1_layer.getFeatures())
buffer2_features = list(buffer2_layer.getFeatures())
if len(buffer1_features) != len(buffer2_features):
print("{buffer1_layer.name()} and {buffer2_layer.name()} have different number of features")
return None
for pair in range(0, len(buffer1_features)):
value1 = buffer1_features[pair][field_name]
value2 = buffer2_features[pair][field_name]
if abs(value1 - value2) > tolerance:
return False
return True
class Parameter(object):
def __init__(
self,
default_field_name: str,
building: "Building" = None,
description: str = '',
regex_pattern: str = None,
accepted_values: list[str] = None
):
self.building = building
self.default_field_name = default_field_name
self.description = description
if regex_pattern: self.regex_pattern = regex_pattern
else: self.regex_pattern = default_field_name