def create_elimlyr(canvas):
elim_lyr = QgsVectorLayer(r"LineString?crs=epsg:4326&index=yes",
elimedge_lname, r"memory")
p_elimedge = elim_lyr.dataProvider()
QgsProject.instance().addMapLayer(elim_lyr, True)
# Case of only one color (elimedge_mono set in global_vars)
if elimedge_mono:
rend_symb=QgsSymbol.defaultSymbol(elim_lyr.geometryType())
rend_symb.setWidth(elimedge_wdt)
rend_symb.setColor(QColor(elimedge_col))
rend_symb.setOpacity(elimedge_opc)
rend_elimedge = QgsSingleSymbolRenderer(rend_symb)
# Case of multiple colors depending on the type of elimination
else:
rend_elimedge = QgsRuleBasedRenderer(QgsLineSymbol())
edge_root_rule = rend_elimedge.rootRule()
edge_rules = ((inter_rfu, "\"pb_type\" = '" + inter_rfu + "'", elimedge_col, elimedge_wdt),
(inter_new, "\"pb_type\" = '" + inter_new + "'", elimedge_col2, elimedge_wdt))
for label, expression, color, width in edge_rules:
rule = edge_root_rule.children()[0].clone()
rule.setLabel(label)
rule.setFilterExpression(expression)
rule.symbol().setColor(QColor(color))
rule.symbol().setWidth(width)
rule.symbol().setOpacity(elimedge_opc)
edge_root_rule.appendChild(rule)
edge_root_rule.removeChildAt(0)
elim_lyr.setRenderer(rend_elimedge)
p_elimedge.addAttributes(elimlyr_atts)
elim_lyr.updateFields()
# Refresh the canvas
elim_lyr.triggerRepaint()
return elim_lyr
