Esempio n. 1
0
def calculate_radiation_single_day(day, in_surface_raster, in_points_feature, T_G_day, latitude, locationtemp1,
                                   aspect_slope, heightoffset, path_arcgis_db):
    # Local Variables
    Latitude = str(latitude)
    skySize = '1400'  # max 10000
    dayInterval = '1'
    hourInterval = '1'
    calcDirections = '32'
    zenithDivisions = '600'  # max 1200cor hlaf the skysize
    azimuthDivisions = '80'  # max 160
    diffuseProp = str(T_G_day.loc[day, 'diff'])
    transmittivity = str(T_G_day.loc[day, 'trr'])
    heightoffset = str(heightoffset)
    global_radiation = locationtemp1 + '\\' + 'Day_' + str(day) + '.shp'
    timeConfig = 'WithinDay    ' + str(day) + ', 0, 24'

    arcpy.env.workspace = path_arcgis_db
    arcpy.env.overwriteOutput = True
    arcpy.CheckOutExtension("spatial")

    # Run the extension of arcgis, retry max_retries times before giving up...
    max_retries = 3
    for _ in range(max_retries):
        try:
            arcpy.sa.PointsSolarRadiation(in_surface_raster, in_points_feature, global_radiation, heightoffset,
                                          Latitude, skySize, timeConfig, dayInterval, hourInterval, "INTERVAL", "1",
                                          aspect_slope,
                                          calcDirections, zenithDivisions, azimuthDivisions, "STANDARD_OVERCAST_SKY",
                                          diffuseProp, transmittivity, "#", "#", "#")
            print('complete calculating radiation of day No. %(day)i' % locals())
            return arcpy.GetMessages()
        except:
            print(traceback.format_exc())
    raise AssertionError('CalcRadiation failed %(max_retries)i times... giving up!' % locals())
Esempio n. 2
0
def Burn(Buildings, DEM, DEMfinal, locationtemp1, DEM_extent, gv):
    # Create a raster with all the buildings
    Outraster = locationtemp1 + '\\' + 'AllRaster'
    arcpy.env.extent = DEM_extent  # These coordinates are extracted from the environment settings/once the DEM raster is selected directly in ArcGIS,
    arcpy.FeatureToRaster_conversion(Buildings, 'height_ag', Outraster,
                                     '0.5')  # creating raster of the footprints of the buildings

    # Clear non values and add all the Buildings to the DEM
    OutNullRas = arcpy.sa.IsNull(Outraster)  # identify noData Locations
    Output = arcpy.sa.Con(OutNullRas == 1, 0, Outraster)
    RadiationDEM = arcpy.sa.Raster(DEM) + Output
    RadiationDEM.save(DEMfinal)
    gv.log('complete burning buildings into raster')

    return arcpy.GetMessages()
Esempio n. 3
0
def burn_buildings_into_raster(simple_context_shp, terrain_tif, dem_rasterfinal_path, temporary_folder,
                               dem_raster_extent):
    # Create a raster with all the buildings
    Outraster = temporary_folder + '\\' + 'AllRaster'
    # These coordinates are extracted from the environment settings/once the DEM raster is selected directly in ArcGIS,
    arcpy.env.extent = dem_raster_extent
    # creating raster of the footprints of the buildings
    arcpy.FeatureToRaster_conversion(simple_context_shp, 'height_ag', Outraster, '0.5')

    # Clear non values and add all the Buildings to the DEM
    OutNullRas = arcpy.sa.IsNull(Outraster)  # identify noData Locations
    Output = arcpy.sa.Con(OutNullRas == 1, 0, Outraster)
    RadiationDEM = arcpy.sa.Raster(terrain_tif) + Output
    RadiationDEM.save(dem_rasterfinal_path)
    print('complete burning buildings into raster')

    return arcpy.GetMessages()
Esempio n. 4
0
def CalcRadiation(day, in_surface_raster, in_points_feature, T_G_day, latitude, locationtemp1, aspect_slope,
                  heightoffset, gv):
    # Local Variables
    Latitude = str(latitude)
    skySize = '1400'  # max 10000
    dayInterval = '1'
    hourInterval = '1'
    calcDirections = '32'
    zenithDivisions = '600'  # max 1200cor hlaf the skysize
    azimuthDivisions = '80'  # max 160
    diffuseProp = str(T_G_day.loc[day, 'diff'])
    transmittivity = str(T_G_day.loc[day, 'trr'])
    heightoffset = str(heightoffset)
    global_radiation = locationtemp1 + '\\' + 'Day_' + str(day) + '.shp'
    timeConfig = 'WithinDay    ' + str(day) + ', 0, 24'

    # Run the extension of arcgis
    arcpy.sa.PointsSolarRadiation(in_surface_raster, in_points_feature, global_radiation, heightoffset,
                                  Latitude, skySize, timeConfig, dayInterval, hourInterval, "INTERVAL", "1",
                                  aspect_slope,
                                  calcDirections, zenithDivisions, azimuthDivisions, "STANDARD_OVERCAST_SKY",
                                  diffuseProp, transmittivity, "#", "#", "#")
    gv.log('complete calculating radiation of day No. ' + str(day))
    return arcpy.GetMessages()
Esempio n. 5
0
def CalcBoundaries(Simple_CQ, locationtemp1, locationtemp2, DataFactorsCentroids, DataFactorsBoundaries, gv):
    # local variables
    NearTable = locationtemp1 + '\\' + 'NearTable.dbf'
    CQLines = locationtemp2 + '\\' + '\CQLines'
    CQVertices = locationtemp2 + '\\' + 'CQVertices'
    CQSegments = locationtemp2 + '\\' + 'CQSegment'
    CQSegments_centroid = locationtemp2 + '\\' + 'CQSegmentCentro'
    centroidsTable_name = 'CentroidCQdata.dbf'
    centroidsTable = locationtemp1 + '\\' + centroidsTable_name
    Overlaptable = locationtemp1 + '\\' + 'overlapingTable.csv'

    # Create points in the centroid of segment line and table with near features:
    # indentifying for each segment of line of building A the segment of line of building B in common.
    arcpy.FeatureToLine_management(Simple_CQ, CQLines)
    arcpy.FeatureVerticesToPoints_management(Simple_CQ, CQVertices, 'ALL')
    arcpy.SplitLineAtPoint_management(CQLines, CQVertices, CQSegments, '2 METERS')
    arcpy.FeatureVerticesToPoints_management(CQSegments, CQSegments_centroid, 'MID')
    arcpy.GenerateNearTable_analysis(CQSegments_centroid, CQSegments_centroid, NearTable, "1 Meters", "NO_LOCATION",
                                     "NO_ANGLE", "CLOSEST", "0")

    # Import the table with NearMatches
    NearMatches = Dbf5(NearTable).to_dataframe()

    # Import the table with attributes of the centroids of the Segments
    arcpy.TableToTable_conversion(CQSegments_centroid, locationtemp1, centroidsTable_name)
    DataCentroids0 = Dbf5(centroidsTable).to_dataframe()
    DataCentroids = DataCentroids0[['Name', 'height_ag', 'ORIG_FID']]

    # CreateJoin to Assign a Factor to every Centroid of the lines,
    FirstJoin = pd.merge(NearMatches, DataCentroids, left_on='IN_FID', right_on='ORIG_FID')
    SecondaryJoin = pd.merge(FirstJoin, DataCentroids, left_on='NEAR_FID', right_on='ORIG_FID')

    # delete matches within the same polygon Name (it can happen that lines are too close one to the other)
    # also delete matches with a distance of more than 20 cm making room for mistakes during the simplicfication of buildings but avoiding deleten boundaries
    rows = SecondaryJoin.IN_FID.count()
    for row in range(rows):
        if SecondaryJoin.loc[row, 'Name_x'] == SecondaryJoin.loc[row, 'Name_y'] or SecondaryJoin.loc[
            row, 'NEAR_DIST'] > 0.2:
            SecondaryJoin = SecondaryJoin.drop(row)
    SecondaryJoin.reset_index(inplace=True)

    # FactorShade = 0 if the line exist in a building totally covered by another one, and Freeheight is equal to the height of the line
    # that is not obstructed by the other building
    rows = SecondaryJoin.IN_FID.count()
    SecondaryJoin['FactorShade'] = 0
    SecondaryJoin['Freeheight'] = 0
    for row in range(rows):
        if SecondaryJoin.loc[row, 'height_ag_x'] <= SecondaryJoin.loc[row, 'height_ag_y']:
            SecondaryJoin.loc[row, 'FactorShade'] = 0
            SecondaryJoin.loc[row, 'Freeheight'] = 0
        elif SecondaryJoin.loc[row, 'height_ag_x'] > SecondaryJoin.loc[row, 'height_ag_y'] and SecondaryJoin.loc[
            row, 'height_ag_x'] - 1 <= SecondaryJoin.loc[row, 'height_ag_y']:
            SecondaryJoin.loc[row, 'FactorShade'] = 0
        else:
            SecondaryJoin.loc[row, 'FactorShade'] = 1
            SecondaryJoin.loc[row, 'Freeheight'] = abs(
                SecondaryJoin.loc[row, 'height_ag_y'] - SecondaryJoin.loc[row, 'height_ag_x'])

    # Create and export Secondary Join with results, it will be Useful for the function CalcObservers
    SecondaryJoin.to_csv(DataFactorsBoundaries, index=False)

    # Update table Datacentroids with the Fields Freeheight and Factor Shade. for those buildings without
    # shading boundaries these factors are equal to 1 and the field 'height' respectively.
    DataCentroids['FactorShade'] = 1
    DataCentroids['Freeheight'] = DataCentroids.height_ag
    Results = DataCentroids.merge(SecondaryJoin, left_on='ORIG_FID', right_on='ORIG_FID_x', how='outer')
    Results.FactorShade_y.fillna(Results['FactorShade_x'], inplace=True)
    Results.Freeheight_y.fillna(Results['Freeheight_x'], inplace=True)
    Results.rename(columns={'FactorShade_y': 'FactorShade', 'Freeheight_y': 'Freeheight'}, inplace=True)
    FinalDataCentroids = pd.DataFrame(Results, columns={'ORIG_FID', 'height', 'FactorShade', 'Freeheight'})

    FinalDataCentroids.to_csv(DataFactorsCentroids, index=False)
    gv.log('complete calculating boundaries')
    return arcpy.GetMessages()
Esempio n. 6
0
def CalcObservers(Simple_CQ, Observers, DataFactorsBoundaries, locationtemporal2, gv):
    # local variables
    Buffer_CQ = locationtemporal2 + '\\' + 'BufferCQ'
    temporal_lines = locationtemporal2 + '\\' + 'lines'
    Points = locationtemporal2 + '\\' + 'Points'
    AggregatedBuffer = locationtemporal2 + '\\' + 'BufferAggregated'
    temporal_lines3 = locationtemporal2 + '\\' + 'lines3'
    Points3 = locationtemporal2 + '\\' + 'Points3'
    Points3Updated = locationtemporal2 + '\\' + 'Points3Updated'
    EraseObservers = locationtemporal2 + '\\' + 'eraseobservers'
    Observers0 = locationtemporal2 + '\\' + 'observers0'
    NonoverlappingBuildings = locationtemporal2 + '\\' + 'Non_overlap'
    templines = locationtemporal2 + '\\' + 'templines'
    templines2 = locationtemporal2 + '\\' + 'templines2'
    Buffer_CQ0 = locationtemporal2 + '\\' + 'Buffer_CQ0'
    Buffer_CQ = locationtemporal2 + '\\' + 'Buffer_CQ'
    Buffer_CQ1 = locationtemporal2 + '\\' + 'Buffer_CQ1'
    Simple_CQcopy = locationtemporal2 + '\\' + 'Simple_CQcopy'
    # First increase the boundaries in 2m of each surface in the community to
    # analyze- this will avoid that the observers overlap the buildings and Simplify
    # the community vertices to only create 1 point per surface

    arcpy.CopyFeatures_management(Simple_CQ, Simple_CQcopy)
    # Make Square-like buffers
    arcpy.PolygonToLine_management(Simple_CQcopy, templines, "IGNORE_NEIGHBORS")
    arcpy.SplitLine_management(templines, templines2)
    arcpy.Buffer_analysis(templines2, Buffer_CQ0, "0.75 Meters", "FULL", "FLAT", "NONE", "#")
    arcpy.Append_management(Simple_CQcopy, Buffer_CQ0, "NO_TEST")
    arcpy.Dissolve_management(Buffer_CQ0, Buffer_CQ1, "Name", "#", "SINGLE_PART", "DISSOLVE_LINES")
    arcpy.SimplifyBuilding_cartography(Buffer_CQ1, Buffer_CQ, simplification_tolerance=8, minimum_area=None)

    # arcpy.Buffer_analysis(Simple_CQ,Buffer_CQ,buffer_distance_or_field=1, line_end_type='FLAT') # buffer with a flat finishing
    # arcpy.Generalize_edit(Buffer_CQ,"2 METERS")

    # Transform all polygons of the simplified areas to observation points
    arcpy.SplitLine_management(Buffer_CQ, temporal_lines)
    arcpy.FeatureVerticesToPoints_management(temporal_lines, Points,
                                             'MID')  # Second the transformation of Lines to a mid point

    # Join all the polygons to get extra vertices, make lines and then get points.
    # these points should be added to the original observation points
    arcpy.AggregatePolygons_cartography(Buffer_CQ, AggregatedBuffer, "0.5 Meters", "0 SquareMeters", "0 SquareMeters",
                                        "ORTHOGONAL")  # agregate polygons
    arcpy.SplitLine_management(AggregatedBuffer, temporal_lines3)  # make lines
    arcpy.FeatureVerticesToPoints_management(temporal_lines3, Points3, 'MID')  # create extra points

    # add information to Points3 about their buildings
    arcpy.SpatialJoin_analysis(Points3, Buffer_CQ, Points3Updated, "JOIN_ONE_TO_ONE", "KEEP_ALL",
                               match_option="CLOSEST", search_radius="5 METERS")
    arcpy.Erase_analysis(Points3Updated, Points, EraseObservers, "2 Meters")  # erase overlaping points
    arcpy.Merge_management([Points, EraseObservers], Observers0)  # erase overlaping points

    #  Eliminate Observation points above roofs of the highest surfaces(a trick to make the
    # Import Overlaptable from function CalcBoundaries containing the data about buildings overlaping, eliminate duplicades, chose only those ones no overlaped and reindex
    DataNear = pd.read_csv(DataFactorsBoundaries)
    CleanDataNear = DataNear[DataNear['FactorShade'] == 1]
    CleanDataNear.drop_duplicates(subset='Name_x', inplace=True)
    CleanDataNear.reset_index(inplace=True)
    rows = CleanDataNear.Name_x.count()
    for row in range(rows):
        Field = "Name"  # select field where the name exists to iterate
        Value = CleanDataNear.loc[row, 'Name_x']  # set the value or name of the City quarter
        Where_clausule = '''''' + '"' + Field + '"' + "=" + "\'" + str(
            Value) + "\'" + ''''''  # strange writing to introduce in ArcGIS
        if row == 0:
            arcpy.MakeFeatureLayer_management(Simple_CQ, 'Simple_lyr')
            arcpy.SelectLayerByAttribute_management('Simple_lyr', "NEW_SELECTION", Where_clausule)
        else:
            arcpy.SelectLayerByAttribute_management('Simple_lyr', "ADD_TO_SELECTION", Where_clausule)

        arcpy.CopyFeatures_management('simple_lyr', NonoverlappingBuildings)

    arcpy.ErasePoint_edit(Observers0, NonoverlappingBuildings, "INSIDE")
    arcpy.CopyFeatures_management(Observers0, Observers)  # copy features to reset the OBJECTID
    with arcpy.da.UpdateCursor(Observers, ["OBJECTID", "ORIG_FID"]) as cursor:
        for row in cursor:
            row[1] = row[0]
            cursor.updateRow(row)
    gv.log('complete calculating observers')
    return arcpy.GetMessages()