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valgur/get_exif_gps_info.py

Forked from erans/get_lat_lon_exif_pil.py
Last active June 3, 2019 00:44
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Get GPS coordinates, direction, speed and timestamp from EXIF using PIL
Raw
get_exif_gps_info.py
import datetime as dt
from collections import OrderedDict
from glob import glob
from sys import argv
from PIL import Image
from PIL.ExifTags import TAGS, GPSTAGS
def get_exif_data(image):
"""Returns a dictionary from the exif data of an PIL Image item. Also converts the GPS Tags"""
info = image._getexif()
if not info:
return {}
exif_data = {TAGS.get(tag, tag): value for tag, value in info.items()}
def is_fraction(val):
return isinstance(val, tuple) and len(val) == 2 and isinstance(val[0], int) and isinstance(val[1], int)
def frac_to_dec(frac):
return float(frac[0]) / float(frac[1])
if "GPSInfo" in exif_data:
gpsinfo = {GPSTAGS.get(t, t): v for t, v in exif_data["GPSInfo"].items()}
for tag, value in gpsinfo.items():
if is_fraction(value):
gpsinfo[tag] = frac_to_dec(value)
elif all(is_fraction(x) for x in value):
gpsinfo[tag] = tuple(map(frac_to_dec, value))
exif_data["GPSInfo"] = gpsinfo
return exif_data
def get_lat_lon(exif_data):
"""Returns the latitude and longitude, if available, from the provided exif_data"""
lat = None
lon = None
gps_info = exif_data.get("GPSInfo")
def convert_to_degrees(value):
d, m, s = value
return d + (m / 60.0) + (s / 3600.0)
if gps_info:
gps_latitude = gps_info.get("GPSLatitude")
gps_latitude_ref = gps_info.get("GPSLatitudeRef")
gps_longitude = gps_info.get("GPSLongitude")
gps_longitude_ref = gps_info.get("GPSLongitudeRef")
if gps_latitude and gps_latitude_ref and gps_longitude and gps_longitude_ref:
lat = convert_to_degrees(gps_latitude)
if gps_latitude_ref != "N":
lat = -lat
lon = convert_to_degrees(gps_longitude)
if gps_longitude_ref != "E":
lon = -lon
return lat, lon
def get_gps_datetime(exif_data):
"""Returns the timestamp, if available, from the provided exif_data"""
if "GPSInfo" not in exif_data:
return None
gps_info = exif_data["GPSInfo"]
date_str = gps_info.get("GPSDateStamp")
time = gps_info.get("GPSTimeStamp")
if not date_str or not time:
return None
date = map(int, date_str.split(":"))
timestamp = [*date, *map(int, time)]
timestamp += [int((time[2] % 1) * 1e6)] # microseconds
return dt.datetime(*timestamp)
def clean_gps_info(exif_data):
"""Return GPS EXIF info in a more convenient format from the provided exif_data"""
gps_info = exif_data["GPSInfo"]
cleaned = OrderedDict()
cleaned["Latitude"], cleaned["Longitude"] = get_lat_lon(exif_data)
cleaned["Altitude"] = gps_info.get("GPSAltitude")
cleaned["Speed"] = gps_info.get("GPSSpeed")
cleaned["SpeedRef"] = gps_info.get("GPSSpeedRef")
cleaned["Track"] = gps_info.get("GPSTrack")
cleaned["TrackRef"] = gps_info.get("GPSTrackRef")
cleaned["TimeStamp"] = get_gps_datetime(exif_data)
return cleaned
if __name__ == "__main__":
if len(argv) < 2:
print("Usage:\n\t{} image1 [image2 [...]]".format(argv[0]))
imgs = []
for img in argv[1:]:
imgs += list(glob(img))
print("file\tx\ty\tz\tdirection\tspeed\ttime")
for img in imgs:
with Image.open(img) as image:
exif_data = get_exif_data(image)
gps_info = clean_gps_info(exif_data)
print("{}\t{Longitude:.6f}\t{Latitude:.6f}\t{Altitude:.3f}\t{Track:3.3f}\t{Speed}\t{TimeStamp}".format(
img, **gps_info))
Raw
locations.qlr
<!DOCTYPE qgis-layer-definition>
<!-- Sample QGIS layer definition file to display the output of get_exif_gps_info.py as a layer.
Set the qlr/maplayers/maplayer/datasource element to the generated file's location -->
<qlr>
<maplayers>
<maplayer geometry="Point" type="vector">
<id>locations20151127190740953</id>
<!-- Replace locations.txt with your own generated file's location -->
<datasource>locations.txt?type=csv&amp;delimiter=%5Ct&amp;xField=x&amp;yField=y&amp;spatialIndex=no&amp;subsetIndex=no&amp;watchFile=no</datasource>
<title>image locations</title>
<layername>image locations</layername>
<srs>
<spatialrefsys>
<proj4>+proj=longlat +datum=WGS84 +no_defs</proj4>
<srsid>3452</srsid>
<srid>4326</srid>
<authid>EPSG:4326</authid>
<description>WGS 84</description>
<projectionacronym>longlat</projectionacronym>
<ellipsoidacronym>WGS84</ellipsoidacronym>
<geographicflag>true</geographicflag>
</spatialrefsys>
</srs>
<provider encoding="UTF-8">delimitedtext</provider>
<edittypes>
<edittype widgetv2type="TextEdit" name="file">
<widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
</edittype>
<edittype widgetv2type="TextEdit" name="x">
<widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
</edittype>
<edittype widgetv2type="TextEdit" name="y">
<widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
</edittype>
<edittype widgetv2type="TextEdit" name="z">
<widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
</edittype>
<edittype widgetv2type="TextEdit" name="direction">
<widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
</edittype>
<edittype widgetv2type="TextEdit" name="speed">
<widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
</edittype>
<edittype widgetv2type="TextEdit" name="time">
<widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
</edittype>
</edittypes>
<renderer-v2 symbollevels="0" type="singleSymbol">
<symbols>
<symbol alpha="1" clip_to_extent="1" type="marker" name="0">
<layer pass="0" class="SimpleMarker" locked="0">
<prop k="angle" v="0"/>
<prop k="angle_dd_active" v="1"/>
<prop k="angle_dd_expression" v=""/>
<prop k="angle_dd_field" v="direction"/>
<prop k="angle_dd_useexpr" v="0"/>
<prop k="color" v="255,251,0,255"/>
<prop k="horizontal_anchor_point" v="1"/>
<prop k="name" v="arrow"/>
<prop k="offset" v="0,0"/>
<prop k="offset_map_unit_scale" v="0,0"/>
<prop k="offset_unit" v="MM"/>
<prop k="outline_color" v="0,0,0,255"/>
<prop k="outline_style" v="solid"/>
<prop k="outline_width" v="0"/>
<prop k="outline_width_map_unit_scale" v="0,0"/>
<prop k="outline_width_unit" v="MM"/>
<prop k="scale_method" v="area"/>
<prop k="size" v="4"/>
<prop k="size_dd_active" v="0"/>
<prop k="size_dd_expression" v=""/>
<prop k="size_dd_field" v="speed"/>
<prop k="size_dd_useexpr" v="0"/>
<prop k="size_map_unit_scale" v="0,0"/>
<prop k="size_unit" v="MM"/>
<prop k="vertical_anchor_point" v="1"/>
<effect enabled="0" type="effectStack">
<effect type="dropShadow">
<prop k="blend_mode" v="13"/>
<prop k="blur_level" v="10"/>
<prop k="color" v="0,0,0,255"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="offset_angle" v="135"/>
<prop k="offset_distance" v="2"/>
<prop k="offset_unit" v="MM"/>
<prop k="offset_unit_scale" v="0,0"/>
<prop k="transparency" v="0"/>
</effect>
<effect type="outerGlow">
<prop k="blend_mode" v="0"/>
<prop k="blur_level" v="3"/>
<prop k="color_type" v="0"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="single_color" v="255,255,255,255"/>
<prop k="spread" v="2"/>
<prop k="spread_unit" v="MM"/>
<prop k="spread_unit_scale" v="0,0"/>
<prop k="transparency" v="0.5"/>
</effect>
<effect type="drawSource">
<prop k="blend_mode" v="0"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="1"/>
<prop k="transparency" v="0"/>
</effect>
<effect type="innerShadow">
<prop k="blend_mode" v="13"/>
<prop k="blur_level" v="10"/>
<prop k="color" v="0,0,0,255"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="offset_angle" v="135"/>
<prop k="offset_distance" v="2"/>
<prop k="offset_unit" v="MM"/>
<prop k="offset_unit_scale" v="0,0"/>
<prop k="transparency" v="0"/>
</effect>
<effect type="innerGlow">
<prop k="blend_mode" v="0"/>
<prop k="blur_level" v="3"/>
<prop k="color_type" v="0"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="single_color" v="255,255,255,255"/>
<prop k="spread" v="2"/>
<prop k="spread_unit" v="MM"/>
<prop k="spread_unit_scale" v="0,0"/>
<prop k="transparency" v="0.5"/>
</effect>
</effect>
</layer>
</symbol>
</symbols>
<rotation/>
<sizescale scalemethod="diameter"/>
<effect enabled="0" type="effectStack">
<effect type="dropShadow">
<prop k="blend_mode" v="13"/>
<prop k="blur_level" v="10"/>
<prop k="color" v="0,0,0,255"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="offset_angle" v="135"/>
<prop k="offset_distance" v="2"/>
<prop k="offset_unit" v="MM"/>
<prop k="offset_unit_scale" v="0,0"/>
<prop k="transparency" v="0"/>
</effect>
<effect type="outerGlow">
<prop k="blend_mode" v="0"/>
<prop k="blur_level" v="3"/>
<prop k="color_type" v="0"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="single_color" v="255,255,255,255"/>
<prop k="spread" v="2"/>
<prop k="spread_unit" v="MM"/>
<prop k="spread_unit_scale" v="0,0"/>
<prop k="transparency" v="0.5"/>
</effect>
<effect type="drawSource">
<prop k="blend_mode" v="0"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="1"/>
<prop k="transparency" v="0"/>
</effect>
<effect type="innerShadow">
<prop k="blend_mode" v="13"/>
<prop k="blur_level" v="10"/>
<prop k="color" v="0,0,0,255"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="offset_angle" v="135"/>
<prop k="offset_distance" v="2"/>
<prop k="offset_unit" v="MM"/>
<prop k="offset_unit_scale" v="0,0"/>
<prop k="transparency" v="0"/>
</effect>
<effect type="innerGlow">
<prop k="blend_mode" v="0"/>
<prop k="blur_level" v="3"/>
<prop k="color_type" v="0"/>
<prop k="draw_mode" v="2"/>
<prop k="enabled" v="0"/>
<prop k="single_color" v="255,255,255,255"/>
<prop k="spread" v="2"/>
<prop k="spread_unit" v="MM"/>
<prop k="spread_unit_scale" v="0,0"/>
<prop k="transparency" v="0.5"/>
</effect>
</effect>
</renderer-v2>
<customproperties>
<property key="labeling" value="pal"/>
<property key="labeling/addDirectionSymbol" value="false"/>
<property key="labeling/angleOffset" value="0"/>
<property key="labeling/blendMode" value="0"/>
<property key="labeling/bufferBlendMode" value="0"/>
<property key="labeling/bufferColorA" value="255"/>
<property key="labeling/bufferColorB" value="255"/>
<property key="labeling/bufferColorG" value="255"/>
<property key="labeling/bufferColorR" value="255"/>
<property key="labeling/bufferDraw" value="false"/>
<property key="labeling/bufferJoinStyle" value="64"/>
<property key="labeling/bufferNoFill" value="false"/>
<property key="labeling/bufferSize" value="1"/>
<property key="labeling/bufferSizeInMapUnits" value="false"/>
<property key="labeling/bufferSizeMapUnitMaxScale" value="0"/>
<property key="labeling/bufferSizeMapUnitMinScale" value="0"/>
<property key="labeling/bufferTransp" value="0"/>
<property key="labeling/centroidInside" value="false"/>
<property key="labeling/centroidWhole" value="false"/>
<property key="labeling/decimals" value="3"/>
<property key="labeling/displayAll" value="false"/>
<property key="labeling/dist" value="1"/>
<property key="labeling/distInMapUnits" value="false"/>
<property key="labeling/distMapUnitMaxScale" value="0"/>
<property key="labeling/distMapUnitMinScale" value="0"/>
<property key="labeling/enabled" value="true"/>
<property key="labeling/fieldName" value="file"/>
<property key="labeling/fontBold" value="false"/>
<property key="labeling/fontCapitals" value="0"/>
<property key="labeling/fontFamily" value="MS Shell Dlg 2"/>
<property key="labeling/fontItalic" value="false"/>
<property key="labeling/fontLetterSpacing" value="0"/>
<property key="labeling/fontLimitPixelSize" value="false"/>
<property key="labeling/fontMaxPixelSize" value="10000"/>
<property key="labeling/fontMinPixelSize" value="3"/>
<property key="labeling/fontSize" value="8"/>
<property key="labeling/fontSizeInMapUnits" value="false"/>
<property key="labeling/fontSizeMapUnitMaxScale" value="0"/>
<property key="labeling/fontSizeMapUnitMinScale" value="0"/>
<property key="labeling/fontStrikeout" value="false"/>
<property key="labeling/fontUnderline" value="false"/>
<property key="labeling/fontWeight" value="50"/>
<property key="labeling/fontWordSpacing" value="0"/>
<property key="labeling/formatNumbers" value="false"/>
<property key="labeling/isExpression" value="false"/>
<property key="labeling/labelOffsetInMapUnits" value="true"/>
<property key="labeling/labelOffsetMapUnitMaxScale" value="0"/>
<property key="labeling/labelOffsetMapUnitMinScale" value="0"/>
<property key="labeling/labelPerPart" value="false"/>
<property key="labeling/leftDirectionSymbol" value="&lt;"/>
<property key="labeling/limitNumLabels" value="false"/>
<property key="labeling/maxCurvedCharAngleIn" value="20"/>
<property key="labeling/maxCurvedCharAngleOut" value="-20"/>
<property key="labeling/maxNumLabels" value="2000"/>
<property key="labeling/mergeLines" value="false"/>
<property key="labeling/minFeatureSize" value="0"/>
<property key="labeling/multilineAlign" value="0"/>
<property key="labeling/multilineHeight" value="1"/>
<property key="labeling/namedStyle" value="Normal"/>
<property key="labeling/obstacle" value="true"/>
<property key="labeling/placeDirectionSymbol" value="0"/>
<property key="labeling/placement" value="0"/>
<property key="labeling/placementFlags" value="0"/>
<property key="labeling/plussign" value="false"/>
<property key="labeling/preserveRotation" value="true"/>
<property key="labeling/previewBkgrdColor" value="#ffffff"/>
<property key="labeling/priority" value="5"/>
<property key="labeling/quadOffset" value="4"/>
<property key="labeling/repeatDistance" value="0"/>
<property key="labeling/repeatDistanceMapUnitMaxScale" value="0"/>
<property key="labeling/repeatDistanceMapUnitMinScale" value="0"/>
<property key="labeling/repeatDistanceUnit" value="1"/>
<property key="labeling/reverseDirectionSymbol" value="false"/>
<property key="labeling/rightDirectionSymbol" value=">"/>
<property key="labeling/scaleMax" value="10000000"/>
<property key="labeling/scaleMin" value="1"/>
<property key="labeling/scaleVisibility" value="false"/>
<property key="labeling/shadowBlendMode" value="6"/>
<property key="labeling/shadowColorB" value="0"/>
<property key="labeling/shadowColorG" value="0"/>
<property key="labeling/shadowColorR" value="0"/>
<property key="labeling/shadowDraw" value="true"/>
<property key="labeling/shadowOffsetAngle" value="135"/>
<property key="labeling/shadowOffsetDist" value="1"/>
<property key="labeling/shadowOffsetGlobal" value="true"/>
<property key="labeling/shadowOffsetMapUnitMaxScale" value="0"/>
<property key="labeling/shadowOffsetMapUnitMinScale" value="0"/>
<property key="labeling/shadowOffsetUnits" value="1"/>
<property key="labeling/shadowRadius" value="1.5"/>
<property key="labeling/shadowRadiusAlphaOnly" value="false"/>
<property key="labeling/shadowRadiusMapUnitMaxScale" value="0"/>
<property key="labeling/shadowRadiusMapUnitMinScale" value="0"/>
<property key="labeling/shadowRadiusUnits" value="1"/>
<property key="labeling/shadowScale" value="100"/>
<property key="labeling/shadowTransparency" value="30"/>
<property key="labeling/shadowUnder" value="0"/>
<property key="labeling/shapeBlendMode" value="0"/>
<property key="labeling/shapeBorderColorA" value="255"/>
<property key="labeling/shapeBorderColorB" value="128"/>
<property key="labeling/shapeBorderColorG" value="128"/>
<property key="labeling/shapeBorderColorR" value="128"/>
<property key="labeling/shapeBorderWidth" value="0"/>
<property key="labeling/shapeBorderWidthMapUnitMaxScale" value="0"/>
<property key="labeling/shapeBorderWidthMapUnitMinScale" value="0"/>
<property key="labeling/shapeBorderWidthUnits" value="1"/>
<property key="labeling/shapeDraw" value="false"/>
<property key="labeling/shapeFillColorA" value="255"/>
<property key="labeling/shapeFillColorB" value="255"/>
<property key="labeling/shapeFillColorG" value="255"/>
<property key="labeling/shapeFillColorR" value="255"/>
<property key="labeling/shapeJoinStyle" value="64"/>
<property key="labeling/shapeOffsetMapUnitMaxScale" value="0"/>
<property key="labeling/shapeOffsetMapUnitMinScale" value="0"/>
<property key="labeling/shapeOffsetUnits" value="1"/>
<property key="labeling/shapeOffsetX" value="0"/>
<property key="labeling/shapeOffsetY" value="0"/>
<property key="labeling/shapeRadiiMapUnitMaxScale" value="0"/>
<property key="labeling/shapeRadiiMapUnitMinScale" value="0"/>
<property key="labeling/shapeRadiiUnits" value="1"/>
<property key="labeling/shapeRadiiX" value="0"/>
<property key="labeling/shapeRadiiY" value="0"/>
<property key="labeling/shapeRotation" value="0"/>
<property key="labeling/shapeRotationType" value="0"/>
<property key="labeling/shapeSVGFile" value=""/>
<property key="labeling/shapeSizeMapUnitMaxScale" value="0"/>
<property key="labeling/shapeSizeMapUnitMinScale" value="0"/>
<property key="labeling/shapeSizeType" value="0"/>
<property key="labeling/shapeSizeUnits" value="1"/>
<property key="labeling/shapeSizeX" value="0"/>
<property key="labeling/shapeSizeY" value="0"/>
<property key="labeling/shapeTransparency" value="0"/>
<property key="labeling/shapeType" value="0"/>
<property key="labeling/textColorA" value="255"/>
<property key="labeling/textColorB" value="255"/>
<property key="labeling/textColorG" value="255"/>
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<property key="labeling/textTransp" value="0"/>
<property key="labeling/upsidedownLabels" value="0"/>
<property key="labeling/wrapChar" value=""/>
<property key="labeling/xOffset" value="0"/>
<property key="labeling/yOffset" value="0"/>
</customproperties>
<blendMode>0</blendMode>
<featureBlendMode>0</featureBlendMode>
<layerTransparency>0</layerTransparency>
<displayfield>file</displayfield>
<label>0</label>
<labelattributes>
<label fieldname="" text=""/>
<family fieldname="" name="MS Shell Dlg 2"/>
<size fieldname="" units="pt" value="12"/>
<bold fieldname="" on="0"/>
<italic fieldname="" on="0"/>
<underline fieldname="" on="0"/>
<strikeout fieldname="" on="0"/>
<color fieldname="" red="0" blue="0" green="0"/>
<x fieldname=""/>
<y fieldname=""/>
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<alignment fieldname="" value="center"/>
<buffercolor fieldname="" red="255" blue="255" green="255"/>
<buffersize fieldname="" units="pt" value="1"/>
<bufferenabled fieldname="" on=""/>
<multilineenabled fieldname="" on=""/>
<selectedonly on=""/>
</labelattributes>
<SingleCategoryDiagramRenderer diagramType="Pie">
<DiagramCategory penColor="#000000" labelPlacementMethod="XHeight" penWidth="0" diagramOrientation="Up" minimumSize="0" barWidth="5" penAlpha="255" maxScaleDenominator="1e+08" backgroundColor="#ffffff" transparency="0" width="15" scaleDependency="Area" backgroundAlpha="255" angleOffset="1440" scaleBasedVisibility="0" enabled="0" height="15" sizeType="MM" minScaleDenominator="0">
<fontProperties description="MS Shell Dlg 2,8.25,-1,5,50,0,0,0,0,0" style=""/>
</DiagramCategory>
</SingleCategoryDiagramRenderer>
<DiagramLayerSettings yPosColumn="-1" linePlacementFlags="10" placement="0" dist="0" xPosColumn="-1" priority="0" obstacle="0" showAll="1"/>
<editform></editform>
<editforminit/>
<featformsuppress>0</featformsuppress>
<annotationform></annotationform>
<editorlayout>generatedlayout</editorlayout>
<excludeAttributesWMS/>
<excludeAttributesWFS/>
<attributeactions/>
</maplayer>
</maplayers>
</qlr>
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