def createDefinedProperties(self):
props = (('"auxiliary_storage_labeling_positionx"', QgsPalLayerSettings.PositionX),
('"auxiliary_storage_labeling_positiony"',
QgsPalLayerSettings.PositionY),
('case when "auxiliary_storage_labeling_positionx" is NULL then NULL when "auxiliary_storage_labeling_positionx" < x( if( layer_property( @layer_name, \'geometry_type\' ) = \'Line\', closest_point( $geometry, make_point("auxiliary_storage_labeling_positionx", "auxiliary_storage_labeling_positiony") ), centroid($geometry) ) ) then \'Right\' else \'Left\' end', QgsPalLayerSettings.Hali),
('\'Half\'', QgsPalLayerSettings.Vali),
('if( "auxiliary_storage_labeling_positionx" is not NULL, True, False )', QgsPalLayerSettings.BufferDraw)
# ,('10', QgsPalLayerSettings.BufferSize)
)
pc = QgsPropertyCollection('labelConnector')
for prop in props:
p = QgsProperty()
p.setExpressionString(prop[0])
pc.setProperty(prop[1], p)
pal_layer = QgsPalLayerSettings()
pal_layer.setDataDefinedProperties(pc)
labeling = self.layer.labeling()
if labeling is None:
pal_layer.fieldName = self.layer.fields()[0].name()
pal_layer.isExpression = False
else:
pal_layer.fieldName = labeling.settings().fieldName
pal_layer.isExpression = labeling.settings().isExpression
if self.layer.geometryType() == QgsWkbTypes.LineGeometry:
pal_layer.placement = QgsPalLayerSettings.Line
pal_layer.enabled = True
labeler = QgsVectorLayerSimpleLabeling(pal_layer)
self.layer.setLabeling(labeler)
self.layer.setLabelsEnabled(True)
def linkProperty(self):
layer = self.iface.mapCanvas().currentLayer()
# parameters for advanced labeling -- picked up from a qgs model file
# generic labeling properties
layer.setCustomProperty("labeling/fieldName",
share.field_list[0][0]) #[0][0] )
layer.setCustomProperty("labeling",
"pal") # new gen labeling activated
layer.setCustomProperty("labeling/multiLineLabels",
"true") # default value
layer.setCustomProperty("labeling/enabled", "true") # default value
layer.setCustomProperty("labeling/priority",
"10") # puts a high priority to labeling layer
layer.setCustomProperty("labeling/multilineAlign",
"1") # multiline align to center
# line properties case
layer.setCustomProperty(
"labeling/placement", "2"
) # OnLine = 1, AboveLine = 2, BelowLine = 4, MapOrientation = 8
# data defined properties
layer.setCustomProperty("labeling/dataDefined/PositionX",
"1~~0~~~~" + share.field_list[1][0])
layer.setCustomProperty("labeling/dataDefined/PositionY",
"1~~0~~~~" + share.field_list[2][0])
layer.setCustomProperty("labeling/dataDefined/Rotation",
"1~~0~~~~" + share.field_list[3][0])
layer.setCustomProperty("labeling/dataDefined/Show",
"1~~0~~~~" + share.field_list[4][0])
layer.setCustomProperty("labeling/dataDefined/Hali",
"1~~0~~~~" + share.field_list[5][0])
layer.setCustomProperty("labeling/dataDefined/Vali",
"1~~0~~~~" + share.field_list[6][0])
# set data define in a pyqigs3 way
# link:https://gis.stackexchange.com/questions/313898/how-to-set-qgspropertycollection-via-an-dict
pc = QgsPropertyCollection('qpc')
sp = {
9: share.field_list[1][0],
10: share.field_list[2][0],
96: share.field_list[3][0],
15: share.field_list[4][0],
11: share.field_list[5][0],
12: share.field_list[6][0]
}
for k, v in sp.items():
x = QgsProperty()
x.setField(v)
pc.setProperty(k, x)
pal_layer = QgsPalLayerSettings()
pal_layer.fieldName = share.field_list[0][0]
pal_layer.setDataDefinedProperties(pc)
pal_layer.enabled = True
labeler = QgsVectorLayerSimpleLabeling(pal_layer)
layer.setLabeling(labeler)
layer.setLabelsEnabled(True)
def testObstacles(self):
w = QgsLabelObstacleSettingsWidget()
settings = QgsLabelObstacleSettings()
settings.setFactor(0.4)
settings.setType(QgsLabelObstacleSettings.PolygonBoundary)
spy = QSignalSpy(w.changed)
w.setSettings(settings)
self.assertEqual(len(spy), 0)
settings = w.settings()
self.assertEqual(settings.factor(), 0.4)
self.assertEqual(settings.type(),
QgsLabelObstacleSettings.PolygonBoundary)
settings.setFactor(1.2)
settings.setType(QgsLabelObstacleSettings.PolygonInterior)
w.setSettings(settings)
self.assertEqual(len(spy), 0)
settings = w.settings()
self.assertEqual(settings.factor(), 1.2)
self.assertEqual(settings.type(),
QgsLabelObstacleSettings.PolygonInterior)
props = QgsPropertyCollection()
props.setProperty(QgsPalLayerSettings.ObstacleFactor,
QgsProperty.fromValue(5))
w.setDataDefinedProperties(props)
props = QgsPropertyCollection()
self.assertFalse(props.isActive(QgsPalLayerSettings.ObstacleFactor))
w.updateDataDefinedProperties(props)
self.assertTrue(props.isActive(QgsPalLayerSettings.ObstacleFactor))
props = w.dataDefinedProperties()
prop = props.property(QgsPalLayerSettings.ObstacleFactor)
self.assertEqual(prop.asExpression(), '5')
def testUpdateDataDefinedProps(self):
settings = QgsLabelObstacleSettings()
settings.setFactor(0.1)
self.assertEqual(settings.factor(), 0.1)
props = QgsPropertyCollection()
props.setProperty(QgsPalLayerSettings.ObstacleFactor,
QgsProperty.fromExpression('@factor'))
context = QgsExpressionContext()
scope = QgsExpressionContextScope()
scope.setVariable('factor', 9)
context.appendScope(scope)
settings.updateDataDefinedProperties(props, context)
self.assertAlmostEqual(settings.factor(), 1.8, 3)
def testUpdateDataDefinedProps(self):
settings = QgsLabelLineSettings()
settings.setPlacementFlags(QgsLabeling.LinePlacementFlag.OnLine)
settings.setOverrunDistance(5.6)
settings.setLineAnchorPercent(0.3)
self.assertEqual(settings.placementFlags(),
QgsLabeling.LinePlacementFlag.OnLine)
self.assertEqual(settings.overrunDistance(), 5.6)
self.assertEqual(settings.lineAnchorPercent(), 0.3)
props = QgsPropertyCollection()
props.setProperty(QgsPalLayerSettings.LinePlacementOptions,
QgsProperty.fromExpression('@placement'))
props.setProperty(QgsPalLayerSettings.OverrunDistance,
QgsProperty.fromExpression('@dist'))
props.setProperty(QgsPalLayerSettings.LineAnchorPercent,
QgsProperty.fromExpression('@line_anchor'))
context = QgsExpressionContext()
scope = QgsExpressionContextScope()
scope.setVariable('placement', 'AL,LO')
scope.setVariable('dist', '11.2')
scope.setVariable('line_anchor', '0.6')
context.appendScope(scope)
settings.updateDataDefinedProperties(props, context)
self.assertEqual(settings.placementFlags(),
QgsLabeling.LinePlacementFlag.AboveLine)
self.assertEqual(settings.overrunDistance(), 11.2)
self.assertEqual(settings.lineAnchorPercent(), 0.6)
def duplicate_plot(self, index):
"""
Duplicates a plot and adds it to the item
"""
if index < len(self.plot_settings):
plot_setting = PlotSettings(self.plot_settings[index].plot_type, self.plot_settings[index].properties,
self.plot_settings[index].layout, self.plot_settings[index].source_layer_id)
plot_setting.data_defined_properties = QgsPropertyCollection(
self.plot_settings[index].data_defined_properties)
plot_setting.layout['bg_color'] = 'rgba(0,0,0,0)'
self.plot_settings.insert(index + 1, plot_setting)
return plot_setting
def random_cat_symb(self, layer: QgsVectorLayer, field: str,
properties: dict):
categories = []
for unique_value in self.unique_field_finder(layer, field):
symbol = self.create_simple_fill_symbol_layer(
layer,
fill_color=QColor(randrange(0, 256), randrange(0, 256),
randrange(0, 256)))
category = QgsRendererCategory(
unique_value, symbol, unique_value
) # TODO: removed encode('Latin-1'), is this causing troubles?
# entry for the list of category items
categories.append(category)
# create renderer object
renderer = QgsCategorizedSymbolRenderer(field, categories)
# assign the created renderer to the layer
if renderer is not None:
layer.setRenderer(renderer)
property_collection = QgsPropertyCollection()
for key, value in properties.items():
property_collection.setProperty(key, value)
self.change_properties(layer, property_collection)
def setCollectionSettings(self):
lyrids, lyrnames = self.lyrPair()
coll = self.setFieldsCollection()
arial = self.setArialDict()
ssnr = self.setSsnrDict()
swi = self.setSwiDict()
times = self.setTimesDict()
for names in lyrnames.values():
lyr = QgsProject.instance().mapLayersByName(names)[0]
iface.setActiveLayer(lyr)
pc = QgsPropertyCollection('qpc')
lyr_settings = QgsPalLayerSettings()
txt_format = QgsTextFormat()
txt_format.setSizeUnit(QgsUnitTypes.RenderPoints)
for nColl, fColl in coll.items():
x = QgsProperty()
x.setField(fColl)
pc.setProperty(nColl, x)
pc.setProperty(31, '/')
pc.setProperty(32, 0.8)
if names in arial.values():
txt_format.setFont(QFont("Arial"))
txt_format.setColor(QColor(0, 0, 0))
elif names in ssnr.values():
txt_format.setFont(QFont("Xerox Sans Serif Narrow"))
txt_format.setColor(QColor(0, 0, 0))
elif names in swi.values():
txt_format.setFont(QFont("Xerox Serif Wide"))
if re.search(r"\Bcotado", names):
txt_format.setColor(QColor(140, 58, 61))
elif re.search(r"\Bcurva", names):
txt_format.setColor(QColor(140, 58, 61))
else:
txt_format.setColor(QColor(0, 119, 189))
elif names in times.values():
txt_format.setFont(QFont("Times New Roman"))
txt_format.setColor(QColor(0, 0, 0))
pass
lyr_settings.setFormat(txt_format)
lyr_settings.setDataDefinedProperties(pc)
lyr_settings.enabled = True
if names == "rel_ponto_cotado_altimetrico_p":
lyr_settings.fieldName = "cota"
else:
lyr_settings.fieldName = "legenda"
lyr_settings = QgsVectorLayerSimpleLabeling(lyr_settings)
lyr.setLabelsEnabled(True)
lyr.setLabeling(lyr_settings)
lyr.triggerRepaint()
def testBase(self):
""" test base class """
w = QgsLabelSettingsWidgetBase()
spy = QSignalSpy(w.changed)
props = QgsPropertyCollection()
props.setProperty(QgsPalLayerSettings.ObstacleFactor,
QgsProperty.fromValue(5))
props.setProperty(QgsPalLayerSettings.IsObstacle,
QgsProperty.fromValue(True))
w.setDataDefinedProperties(props)
self.assertEqual(len(spy), 0)
dd_props = w.dataDefinedProperties()
prop = dd_props.property(QgsPalLayerSettings.ObstacleFactor)
self.assertEqual(prop.asExpression(), '5')
prop = dd_props.property(QgsPalLayerSettings.IsObstacle)
self.assertEqual(prop.asExpression(), 'TRUE')
def grid_labeler(self, coord_base_x, coord_base_y, px, py, u, t, dx, dy,
desc, fSize, fontType, expression_str, trLLUTM, llcolor,
layer_bound, trUTMLL):
pgrid = QgsPoint(coord_base_x + px * u, coord_base_y + py * t)
pgrid.transform(trLLUTM)
pgrid = QgsPoint(pgrid.x() + dx, pgrid.y() + dy)
if layer_bound.crs().isGeographic() == True:
pgrid.transform(trUTMLL)
#Label Format Settings
settings = QgsPalLayerSettings()
settings.placement = 1
settings.isExpression = True
textprop = QgsTextFormat()
textprop.setColor(llcolor)
textprop.setSizeUnit(4)
textprop.setSize(fSize * 2.8346)
textprop.setFont(QFont(fontType))
textprop.setLineHeight(1)
settings.setFormat(textprop)
settings.fieldName = expression_str
#Label Position
settings.geometryGeneratorEnabled = True
settings.geometryGenerator = ("make_point({}, {})".format(
pgrid.x(), pgrid.y()))
datadefined = QgsPropertyCollection()
datadefined.property(20).setExpressionString('True')
datadefined.property(20).setActive(True)
datadefined.property(15).setExpressionString('True')
datadefined.property(15).setActive(True)
datadefined.property(77).setExpressionString('2')
datadefined.property(77).setActive(True)
#Creating and Activating Labeling Rule
settings.setDataDefinedProperties(datadefined)
rule = QgsRuleBasedLabeling.Rule(settings)
rule.setDescription(desc)
rule.setActive(True)
return rule
def __init__(self,
plot_type: str = 'scatter',
properties: dict = None,
layout: dict = None,
source_layer_id=None):
# Define default plot dictionary used as a basis for plot initialization
# prepare the default dictionary with None values
# plot properties
plot_base_properties = {
'marker': 'markers',
'custom': None,
'hover_text': None,
'additional_hover_text': None,
'x_name': '',
'y_name': '',
'z_name': '',
'in_color': '#8ebad9',
'out_color': '#1f77b4',
'marker_width': 1,
'marker_size': 10,
'marker_symbol': 0,
'line_dash': 'solid',
'box_orientation': 'v',
'box_stat': None,
'box_outliers': False,
'name': '',
'normalization': None,
'cont_type': 'fill',
'color_scale': None,
'show_lines': False,
'cumulative': False,
'show_colorscale_legend': False,
'invert_color_scale': False,
'invert_hist': 'increasing',
'bins': 0,
'selected_features_only': False,
'visible_features_only': False,
'color_scale_data_defined_in_check': False,
'color_scale_data_defined_in_invert_check': False,
'marker_type_combo': 'Points',
'point_combo': '',
'line_combo': 'Solid Line',
'contour_type_combo': 'Fill',
'show_lines_check': False,
'opacity': 1,
'violin_side': None,
'show_mean_line': False
}
# layout nested dictionary
plot_base_layout = {
'title': 'Plot Title',
'legend': True,
'legend_title': None,
'legend_orientation': 'h',
'x_title': '',
'y_title': '',
'z_title': '',
'xaxis': None,
'bar_mode': None,
'x_type': None,
'y_type': None,
'x_inv': None,
'y_inv': None,
'range_slider': {
'borderwidth': 1,
'visible': False
},
'bargaps': 0,
'polar': {
'angularaxis': {
'direction': 'clockwise'
}
},
'additional_info_expression': '',
'bins_check': False
}
self.plot_base_dic = {
'plot_type': None,
'layer': None,
'plot_prop': plot_base_properties,
'layout_prop': plot_base_layout
}
self.data_defined_properties = QgsPropertyCollection()
# Set class properties - we use the base dictionaries, replacing base values with
# those from the passed properties dicts
if properties is None:
self.properties = plot_base_properties
else:
self.properties = {**plot_base_properties, **properties}
if layout is None:
self.layout = plot_base_layout
else:
self.layout = {**plot_base_layout, **layout}
self.plot_type = plot_type
self.x = []
self.y = []
self.z = []
self.feature_ids = []
self.additional_hover_text = []
self.data_defined_marker_sizes = []
self.data_defined_colors = []
self.data_defined_stroke_colors = []
self.data_defined_stroke_widths = []
self.source_layer_id = source_layer_id
class PlotSettings: # pylint: disable=too-many-instance-attributes
"""
The PlotSettings class encapsulates all settings relating to a plot, and contains
methods for serializing and deserializing these settings.
"""
PROPERTY_FILTER = 1
PROPERTY_MARKER_SIZE = 2
PROPERTY_COLOR = 3
PROPERTY_STROKE_COLOR = 4
PROPERTY_STROKE_WIDTH = 5
DYNAMIC_PROPERTIES = {
PROPERTY_FILTER:
QgsPropertyDefinition('filter', 'Feature filter',
QgsPropertyDefinition.Boolean),
PROPERTY_MARKER_SIZE:
QgsPropertyDefinition('marker_size', 'Marker size',
QgsPropertyDefinition.DoublePositive),
PROPERTY_COLOR:
QgsPropertyDefinition('color', 'Color',
QgsPropertyDefinition.ColorWithAlpha),
PROPERTY_STROKE_COLOR:
QgsPropertyDefinition('stroke_color', 'Stroke color',
QgsPropertyDefinition.ColorWithAlpha),
PROPERTY_STROKE_WIDTH:
QgsPropertyDefinition('stroke_width', 'Stroke width',
QgsPropertyDefinition.DoublePositive)
}
def __init__(self,
plot_type: str = 'scatter',
properties: dict = None,
layout: dict = None,
source_layer_id=None):
# Define default plot dictionary used as a basis for plot initialization
# prepare the default dictionary with None values
# plot properties
plot_base_properties = {
'marker': 'markers',
'custom': None,
'hover_text': None,
'additional_hover_text': None,
'x_name': '',
'y_name': '',
'z_name': '',
'in_color': '#8ebad9',
'out_color': '#1f77b4',
'marker_width': 1,
'marker_size': 10,
'marker_symbol': 0,
'line_dash': 'solid',
'box_orientation': 'v',
'box_stat': None,
'box_outliers': False,
'name': '',
'normalization': None,
'cont_type': 'fill',
'color_scale': None,
'show_lines': False,
'cumulative': False,
'show_colorscale_legend': False,
'invert_color_scale': False,
'invert_hist': 'increasing',
'bins': 0,
'selected_features_only': False,
'visible_features_only': False,
'color_scale_data_defined_in_check': False,
'color_scale_data_defined_in_invert_check': False,
'marker_type_combo': 'Points',
'point_combo': '',
'line_combo': 'Solid Line',
'contour_type_combo': 'Fill',
'show_lines_check': False,
'opacity': 1,
'violin_side': None,
'show_mean_line': False
}
# layout nested dictionary
plot_base_layout = {
'title': 'Plot Title',
'legend': True,
'legend_title': None,
'legend_orientation': 'h',
'x_title': '',
'y_title': '',
'z_title': '',
'xaxis': None,
'bar_mode': None,
'x_type': None,
'y_type': None,
'x_inv': None,
'y_inv': None,
'range_slider': {
'borderwidth': 1,
'visible': False
},
'bargaps': 0,
'polar': {
'angularaxis': {
'direction': 'clockwise'
}
},
'additional_info_expression': '',
'bins_check': False
}
self.plot_base_dic = {
'plot_type': None,
'layer': None,
'plot_prop': plot_base_properties,
'layout_prop': plot_base_layout
}
self.data_defined_properties = QgsPropertyCollection()
# Set class properties - we use the base dictionaries, replacing base values with
# those from the passed properties dicts
if properties is None:
self.properties = plot_base_properties
else:
self.properties = {**plot_base_properties, **properties}
if layout is None:
self.layout = plot_base_layout
else:
self.layout = {**plot_base_layout, **layout}
self.plot_type = plot_type
self.x = []
self.y = []
self.z = []
self.feature_ids = []
self.additional_hover_text = []
self.data_defined_marker_sizes = []
self.data_defined_colors = []
self.data_defined_stroke_colors = []
self.data_defined_stroke_widths = []
self.source_layer_id = source_layer_id
def write_xml(self, document: QDomDocument):
"""
Writes the plot settings to an XML element
"""
element = QgsXmlUtils.writeVariant(
{
'plot_type':
self.plot_type,
'plot_properties':
self.properties,
'plot_layout':
self.layout,
'source_layer_id':
self.source_layer_id,
'dynamic_properties':
self.data_defined_properties.toVariant(
PlotSettings.DYNAMIC_PROPERTIES)
}, document)
return element
def read_xml(self, element: QDomElement) -> bool:
"""
Reads the plot settings from an XML element
"""
res = QgsXmlUtils.readVariant(element)
if not isinstance(res, dict) or \
'plot_type' not in res or \
'plot_properties' not in res or \
'plot_layout' not in res:
return False
self.plot_type = res['plot_type']
self.properties = res['plot_properties']
self.layout = res['plot_layout']
self.source_layer_id = res.get('source_layer_id', None)
self.data_defined_properties.loadVariant(
res.get('dynamic_properties', None),
PlotSettings.DYNAMIC_PROPERTIES)
return True
def write_to_project(self, document: QDomDocument):
"""
Writes the settings to a project (represented by the given DOM document)
"""
elem = self.write_xml(document)
parent_elem = document.createElement('DataPlotly')
parent_elem.appendChild(elem)
root_node = document.elementsByTagName("qgis").item(0)
root_node.appendChild(parent_elem)
def read_from_project(self, document: QDomDocument):
"""
Reads the settings from a project (represented by the given DOM document)
"""
root_node = document.elementsByTagName("qgis").item(0)
if root_node.isNull():
return False
node = root_node.toElement().firstChildElement('DataPlotly')
if node.isNull():
return False
elem = node.toElement()
return self.read_xml(elem.firstChildElement())
def write_to_file(self, file_name: str) -> bool:
"""
Writes the settings to an XML file
"""
document = QDomDocument("dataplotly")
elem = self.write_xml(document)
document.appendChild(elem)
try:
with open(file_name, "w") as f:
f.write('<?xml version="1.0" encoding="UTF-8"?>\n')
f.write(document.toString())
return True
except FileNotFoundError:
return False
def read_from_file(self, file_name: str) -> bool:
"""
Reads the settings from an XML file
"""
f = QFile(file_name)
if f.open(QIODevice.ReadOnly):
document = QDomDocument()
if document.setContent(f):
if self.read_xml(document.firstChildElement()):
return True
return False
def grid_labeler(self, coord_base_x, coord_base_y, px, py, u, t, dx, dy,
vAlign, hAlign, desc, fSize, fontType, expression_str,
trLLUTM, trUTMLL, llcolor, utmcheck, scale):
if utmcheck:
pgrid = QgsPoint(coord_base_x + px * u, coord_base_y + py * t)
pgrid.transform(trLLUTM)
pgrid = QgsPoint(pgrid.x() + dx, pgrid.y() + dy)
else:
pgrid = QgsPoint(coord_base_x + px * u + dx,
coord_base_y + py * t + dy)
#Label Format Settings
settings = QgsPalLayerSettings()
settings.Placement = QgsPalLayerSettings.Free
settings.isExpression = True
textprop = QgsTextFormat()
textprop.setColor(llcolor)
textprop.setSizeUnit(1)
textprop.setSize(fSize * scale * 1.324)
textprop.setFont(QFont(fontType))
textprop.setLineHeight(1)
settings.setFormat(textprop)
settings.fieldName = expression_str
#Label Name and Position
datadefined = QgsPropertyCollection()
datadefined.setProperty(9, pgrid.x())
datadefined.setProperty(10, pgrid.y())
if not (hAlign == ''):
datadefined.setProperty(11, hAlign)
if not (vAlign == ''):
datadefined.setProperty(12, vAlign)
datadefined.setProperty(20, 1)
#Creating and Activating Labeling Rule
settings.setDataDefinedProperties(datadefined)
rule = QgsRuleBasedLabeling.Rule(settings)
rule.setDescription(desc)
rule.setActive(True)
return rule
def parse_symbol_layer(json_layer):
json_layout = json_layer['layout']
json_paint = json_layer['paint']
dd_properties = {}
TEXT_SIZE_MULTIPLIER = 2 # *2 because of high-res screen?
text_size = 16
if 'text-size' in json_layout:
json_text_size = json_layout['text-size']
if isinstance(json_text_size, (float, int)):
text_size = json_text_size
elif isinstance(json_text_size, dict):
dd_properties[
QgsPalLayerSettings.Size] = parse_interpolate_by_zoom(
json_text_size, TEXT_SIZE_MULTIPLIER)
else:
print("skipping non-float text-size", json_text_size)
# TODO: text-font
text_color = Qt.black
if 'text-color' in json_paint:
json_text_color = json_paint['text-color']
if isinstance(json_text_color, str):
text_color = parse_color(json_text_color)
else:
print("skipping non-string text-color", json_text_color)
buffer_color = QColor(0, 0, 0, 0)
if 'text-halo-color' in json_paint:
json_text_halo_color = json_paint['text-halo-color']
if isinstance(json_text_halo_color, str):
buffer_color = parse_color(json_text_halo_color)
else:
print("skipping non-string text-halo-color", json_text_halo_color)
buffer_size = 0
if 'text-halo-width' in json_paint:
json_text_halo_width = json_paint['text-halo-width']
if isinstance(json_text_halo_width, (float, int)):
buffer_size = json_text_halo_width
else:
print("skipping non-float text-halo-width", json_text_halo_width)
format = QgsTextFormat()
format.setColor(text_color)
format.setSize(text_size * TEXT_SIZE_MULTIPLIER)
format.setSizeUnit(QgsUnitTypes.RenderPixels)
#format.setFont(font)
if buffer_size > 0:
buffer_settings = QgsTextBufferSettings()
buffer_settings.setEnabled(True)
buffer_settings.setSize(buffer_size * PX_TO_MM * TEXT_SIZE_MULTIPLIER)
buffer_settings.setColor(buffer_color)
format.setBuffer(buffer_settings)
label_settings = QgsPalLayerSettings()
label_settings.fieldName = '"name:latin"' # TODO: parse field name
label_settings.isExpression = True
label_settings.placement = QgsPalLayerSettings.OverPoint
label_settings.priority = min(text_size / 3., 10.)
label_settings.setFormat(format)
if dd_properties:
for dd_key, dd_expression in dd_properties.items():
prop_collection = QgsPropertyCollection()
prop_collection.setProperty(
dd_key, QgsProperty.fromExpression(dd_expression))
label_settings.setDataDefinedProperties(prop_collection)
lb = QgsVectorTileBasicLabelingStyle()
lb.setGeometryType(QgsWkbTypes.PointGeometry)
lb.setLabelSettings(label_settings)
return lb
def testBasic(self):
props = QgsVectorLayerElevationProperties(None)
self.assertEqual(props.zScale(), 1)
self.assertEqual(props.zOffset(), 0)
self.assertFalse(props.extrusionEnabled())
self.assertEqual(props.extrusionHeight(), 0)
self.assertTrue(props.hasElevation())
self.assertEqual(props.clamping(), Qgis.AltitudeClamping.Terrain)
self.assertEqual(props.binding(), Qgis.AltitudeBinding.Centroid)
self.assertTrue(props.respectLayerSymbology())
self.assertEqual(props.type(),
Qgis.VectorProfileType.IndividualFeatures)
self.assertEqual(props.profileSymbology(),
Qgis.ProfileSurfaceSymbology.Line)
self.assertFalse(props.showMarkerSymbolInSurfacePlots())
props.setZOffset(0.5)
props.setZScale(2)
props.setClamping(Qgis.AltitudeClamping.Relative)
props.setBinding(Qgis.AltitudeBinding.Vertex)
props.setExtrusionHeight(10)
props.setExtrusionEnabled(True)
props.setRespectLayerSymbology(False)
props.setType(Qgis.VectorProfileType.ContinuousSurface)
props.setProfileSymbology(Qgis.ProfileSurfaceSymbology.FillBelow)
props.setShowMarkerSymbolInSurfacePlots(True)
self.assertEqual(props.zScale(), 2)
self.assertEqual(props.zOffset(), 0.5)
self.assertEqual(props.extrusionHeight(), 10)
self.assertTrue(props.hasElevation())
self.assertTrue(props.extrusionEnabled())
self.assertEqual(props.clamping(), Qgis.AltitudeClamping.Relative)
self.assertEqual(props.binding(), Qgis.AltitudeBinding.Vertex)
self.assertFalse(props.respectLayerSymbology())
self.assertEqual(props.type(),
Qgis.VectorProfileType.ContinuousSurface)
self.assertEqual(props.profileSymbology(),
Qgis.ProfileSurfaceSymbology.FillBelow)
self.assertTrue(props.showMarkerSymbolInSurfacePlots())
props.dataDefinedProperties().setProperty(
QgsMapLayerElevationProperties.ExtrusionHeight,
QgsProperty.fromExpression('1*5'))
self.assertEqual(
props.dataDefinedProperties().property(
QgsMapLayerElevationProperties.ExtrusionHeight).asExpression(),
'1*5')
properties = QgsPropertyCollection()
properties.setProperty(QgsMapLayerElevationProperties.ZOffset,
QgsProperty.fromExpression('9'))
props.setDataDefinedProperties(properties)
self.assertFalse(props.dataDefinedProperties().isActive(
QgsMapLayerElevationProperties.ExtrusionHeight))
self.assertEqual(
props.dataDefinedProperties().property(
QgsMapLayerElevationProperties.ZOffset).asExpression(), '9')
sym = QgsLineSymbol.createSimple({
'outline_color': '#ff4433',
'outline_width': 0.5
})
props.setProfileLineSymbol(sym)
self.assertEqual(props.profileLineSymbol().color().name(), '#ff4433')
sym = QgsFillSymbol.createSimple({
'color': '#ff4455',
'outline_width': 0.5
})
props.setProfileFillSymbol(sym)
self.assertEqual(props.profileFillSymbol().color().name(), '#ff4455')
sym = QgsMarkerSymbol.createSimple({
'color': '#ff1122',
'outline_width': 0.5
})
props.setProfileMarkerSymbol(sym)
self.assertEqual(props.profileMarkerSymbol().color().name(), '#ff1122')
doc = QDomDocument("testdoc")
elem = doc.createElement('test')
props.writeXml(elem, doc, QgsReadWriteContext())
props2 = QgsVectorLayerElevationProperties(None)
props2.readXml(elem, QgsReadWriteContext())
self.assertEqual(props2.zScale(), 2)
self.assertEqual(props2.zOffset(), 0.5)
self.assertEqual(props2.clamping(), Qgis.AltitudeClamping.Relative)
self.assertEqual(props2.binding(), Qgis.AltitudeBinding.Vertex)
self.assertEqual(props2.extrusionHeight(), 10)
self.assertTrue(props2.extrusionEnabled())
self.assertFalse(props2.respectLayerSymbology())
self.assertEqual(props2.type(),
Qgis.VectorProfileType.ContinuousSurface)
self.assertEqual(props2.profileSymbology(),
Qgis.ProfileSurfaceSymbology.FillBelow)
self.assertTrue(props2.showMarkerSymbolInSurfacePlots())
self.assertEqual(props2.profileLineSymbol().color().name(), '#ff4433')
self.assertEqual(props2.profileFillSymbol().color().name(), '#ff4455')
self.assertEqual(props2.profileMarkerSymbol().color().name(),
'#ff1122')
self.assertEqual(
props2.dataDefinedProperties().property(
QgsMapLayerElevationProperties.ZOffset).asExpression(), '9')
props_clone = props.clone()
self.assertEqual(props_clone.zScale(), 2)
self.assertEqual(props_clone.zOffset(), 0.5)
self.assertEqual(props_clone.clamping(),
Qgis.AltitudeClamping.Relative)
self.assertEqual(props_clone.binding(), Qgis.AltitudeBinding.Vertex)
self.assertEqual(props_clone.extrusionHeight(), 10)
self.assertTrue(props_clone.extrusionEnabled())
self.assertFalse(props_clone.respectLayerSymbology())
self.assertEqual(props_clone.type(),
Qgis.VectorProfileType.ContinuousSurface)
self.assertEqual(props_clone.profileSymbology(),
Qgis.ProfileSurfaceSymbology.FillBelow)
self.assertTrue(props_clone.showMarkerSymbolInSurfacePlots())
self.assertEqual(props_clone.profileLineSymbol().color().name(),
'#ff4433')
self.assertEqual(props_clone.profileFillSymbol().color().name(),
'#ff4455')
self.assertEqual(props_clone.profileMarkerSymbol().color().name(),
'#ff1122')
self.assertEqual(
props_clone.dataDefinedProperties().property(
QgsMapLayerElevationProperties.ZOffset).asExpression(), '9')