diff --git a/debian/control b/debian/control
index f57c6e7c..adc642cc 100644
--- a/debian/control
+++ b/debian/control
@@ -889,6 +889,22 @@ Description: nymea.io plugin for snapd
This package will install the nymea.io plugin for snapd
+Package: nymea-plugin-sunposition
+Architecture: any
+Depends: ${misc:Depends},
+ libatlas-base-dev,
+ python3-pip,
+ nymea-plugins-translations,
+Description: nymea.io plugin for calculating the sun position
+ The nymea daemon is a plugin based IoT (Internet of Things) server. The
+ server works like a translator for devices, things and services and
+ allows them to interact.
+ With the powerful rule engine you are able to connect any device available
+ in the system and create individual scenes and behaviors for your environment.
+ .
+ This package will install the nymea.io plugin for calculating the sun position
+
+
Package: nymea-plugin-keba
Architecture: any
Depends: ${shlibs:Depends},
diff --git a/debian/nymea-plugin-sunposition.install.in b/debian/nymea-plugin-sunposition.install.in
new file mode 100644
index 00000000..e8aa93fc
--- /dev/null
+++ b/debian/nymea-plugin-sunposition.install.in
@@ -0,0 +1,4 @@
+sunposition/integrationpluginsunposition.json usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/sunposition/
+sunposition/integrationpluginsunposition.py usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/sunposition/
+sunposition/sunposition.py usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/sunposition/
+sunposition/requirements.txt usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/sunposition/
diff --git a/debian/rules b/debian/rules
index 7a8679f1..b0be54f1 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,6 +6,15 @@ PREPROCESS_FILES := $(wildcard debian/*.in)
$(PREPROCESS_FILES:.in=): %: %.in
sed 's,/@DEB_HOST_MULTIARCH@,$(DEB_HOST_MULTIARCH:%=/%),g' $< > $@
+ chmod --reference=$< $@
+
+# Auto-generate install/remove hooks to fetch/cleanup python dependencies from requirements.txt
+PYTHON_REQUIREMENTS := $(shell find -name requirements.txt)
+$(PYTHON_REQUIREMENTS:.txt=): %: %.txt
+ $(eval PYTHON_PLUGIN=$(subst /requirements.txt,,$<))
+ echo "#DEBHELPER#" | tee debian/nymea-plugin-$(PYTHON_PLUGIN).postinst | tee debian/nymea-plugin-$(PYTHON_PLUGIN).prerm
+ echo "pip3 install --require-hashes --upgrade -r usr/lib/$(DEB_HOST_MULTIARCH)/nymea/plugins/$(PYTHON_PLUGIN)/requirements.txt -t usr/lib/$(DEB_HOST_MULTIARCH)/nymea/plugins/$(PYTHON_PLUGIN)/modules" >> debian/nymea-plugin-$(PYTHON_PLUGIN).postinst
+ echo "rm -rf usr/lib/$(DEB_HOST_MULTIARCH)/nymea/plugins/$(PYTHON_PLUGIN)/modules" >> debian/nymea-plugin-$(PYTHON_PLUGIN).prerm
%:
dh $@ --parallel
@@ -14,7 +23,7 @@ override_dh_auto_build:
dh_auto_build
make lrelease
-override_dh_install: $(PREPROCESS_FILES:.in=)
+override_dh_install: $(PREPROCESS_FILES:.in=) $(PYTHON_REQUIREMENTS:.txt=)
dh_install --fail-missing
override_dh_auto_clean:
diff --git a/nymea-plugins.pro b/nymea-plugins.pro
index 0a670cd6..1f679089 100644
--- a/nymea-plugins.pro
+++ b/nymea-plugins.pro
@@ -49,6 +49,7 @@ PLUGIN_DIRS = \
simulation \
snapd \
sonos \
+ sunposition \
tado \
tasmota \
tcpcommander \
diff --git a/sunposition/README.md b/sunposition/README.md
new file mode 100644
index 00000000..3f3c2deb
--- /dev/null
+++ b/sunposition/README.md
@@ -0,0 +1,5 @@
+# Sunposition
+
+This plugin calculates the current angle to the sun, depending on the local position.
+
+The main purpose of this is for shading related automations.
diff --git a/sunposition/integrationpluginsunposition.json b/sunposition/integrationpluginsunposition.json
new file mode 100644
index 00000000..f613e3ee
--- /dev/null
+++ b/sunposition/integrationpluginsunposition.json
@@ -0,0 +1,47 @@
+{
+ "id": "30ff7e8f-4c67-4a8a-8b49-94c64bcbbe8a2",
+ "name": "sunPosition",
+ "displayName": "Sun Position",
+ "vendors": [
+ {
+ "id": "2062d64d-3232-433c-88bc-0d33c0ba2ba6",
+ "name": "nymea",
+ "displayName": "nymea GmbH",
+ "thingClasses": [
+ {
+ "id": "a79bc8cb-89bc-4227-9b7c-70130d26ad34",
+ "name": "sunPosition",
+ "displayName": "Sun Position",
+ "createMethods": ["discovery", "user"],
+ "paramTypes": [
+ {
+ "id": "cc321533-787a-4fba-9abe-7b73e588ac5d",
+ "name": "latitude",
+ "displayName": "Latitude",
+ "type": "double",
+ "defaultValue": 0
+ },
+ {
+ "id": "1b0bbf53-634a-42ed-b3b3-c058ef1e015c",
+ "name": "longitude",
+ "displayName": "Longitude",
+ "type": "double",
+ "defaultValue": 0
+ }
+ ],
+ "stateTypes": [
+ {
+ "id": "5c2f5149-5152-4e0e-b372-3d3edd302306",
+ "name": "angle",
+ "displayName": "Sun angle",
+ "displayNameEvent": "Sun angle changed",
+ "type": "double",
+ "unit": "Degree",
+ "defaultValue": 0
+ }
+ ]
+ }
+ ]
+ }
+ ]
+}
diff --git a/sunposition/integrationpluginsunposition.py b/sunposition/integrationpluginsunposition.py
new file mode 100644
index 00000000..0b42142a
--- /dev/null
+++ b/sunposition/integrationpluginsunposition.py
@@ -0,0 +1,67 @@
+# Copyright 2013 - 2020, nymea GmbH
+# Contact: contact@nymea.io
+#
+# This file is part of nymea.
+# This project including source code and documentation is protected by
+# copyright law, and remains the property of nymea GmbH. All rights, including
+# reproduction, publication, editing and translation, are reserved. The use of
+# this project is subject to the terms of a license agreement to be concluded
+# with nymea GmbH in accordance with the terms of use of nymea GmbH, available
+# under https://nymea.io/license
+#
+# GNU Lesser General Public License Usage
+# Alternatively, this project may be redistributed and/or modified under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; version 3. This project is distributed in the hope that
+# it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this project. If not, see .
+#
+# For any further details and any questions please contact us under
+# contact@nymea.io or see our FAQ/Licensing Information on
+# https://nymea.io/license/faq
+
+import nymea
+from sunposition import sunpos
+from datetime import datetime
+from urllib.request import urlopen, Request
+import simplejson
+import time
+
+loopRunning = False
+
+def init():
+ global loopRunning
+ loopRunning = True
+
+ while loopRunning:
+ time.sleep(5)
+ now = datetime.utcnow()
+ for thing in myThings():
+ lat = thing.paramValue(sunPositionThingLatitudeParamTypeId)
+ lon = thing.paramValue(sunPositionThingLongitudeParamTypeId)
+ az,zen = sunpos(now, lat, lon, 0)[:2]
+ angle = 90 - zen.item()
+ logger.log("Updating thing", thing.name, "Angle:", angle)
+ thing.setStateValue(sunPositionAngleStateTypeId, angle)
+
+def deinit():
+ global loopRunning
+ loopRunning = False
+
+
+def discoverThings(info):
+ request = Request("http://ip-api.com/json")
+ data = simplejson.load(urlopen(request))
+ descriptor = nymea.ThingDescriptor(sunPositionThingClassId, "%s - %s" % (data["city"], data["country"]), "%s - %s" % (data["lat"], data["lon"]))
+ descriptor.params = [nymea.Param(sunPositionThingLatitudeParamTypeId, data["lat"]), nymea.Param(sunPositionThingLongitudeParamTypeId, data["lon"])]
+ info.addDescriptor(descriptor)
+ info.finish(nymea.ThingErrorNoError)
+
+
+def setupThing(info):
+ info.finish(nymea.ThingErrorNoError)
+
diff --git a/sunposition/meta.json b/sunposition/meta.json
new file mode 100644
index 00000000..881a96ee
--- /dev/null
+++ b/sunposition/meta.json
@@ -0,0 +1,11 @@
+{
+ "title": "Sunposition",
+ "tagline": "Calculate the current angle to the sun",
+ "icon": "sunpos.svg",
+ "stability": "consumer",
+ "offline": false,
+ "technologies": [
+ ],
+ "categories": [
+ ]
+}
diff --git a/sunposition/requirements.txt b/sunposition/requirements.txt
new file mode 100644
index 00000000..640137c7
--- /dev/null
+++ b/sunposition/requirements.txt
@@ -0,0 +1,38 @@
+numpy==1.19.1 \
+ --hash=sha256:082f8d4dd69b6b688f64f509b91d482362124986d98dc7dc5f5e9f9b9c3bb983 \
+ --hash=sha256:1bc0145999e8cb8aed9d4e65dd8b139adf1919e521177f198529687dbf613065 \
+ --hash=sha256:309cbcfaa103fc9a33ec16d2d62569d541b79f828c382556ff072442226d1968 \
+ --hash=sha256:3673c8b2b29077f1b7b3a848794f8e11f401ba0b71c49fbd26fb40b71788b132 \
+ --hash=sha256:480fdd4dbda4dd6b638d3863da3be82873bba6d32d1fc12ea1b8486ac7b8d129 \
+ --hash=sha256:56ef7f56470c24bb67fb43dae442e946a6ce172f97c69f8d067ff8550cf782ff \
+ --hash=sha256:5a936fd51049541d86ccdeef2833cc89a18e4d3808fe58a8abeb802665c5af93 \
+ --hash=sha256:5b6885c12784a27e957294b60f97e8b5b4174c7504665333c5e94fbf41ae5d6a \
+ --hash=sha256:667c07063940e934287993366ad5f56766bc009017b4a0fe91dbd07960d0aba7 \
+ --hash=sha256:7ed448ff4eaffeb01094959b19cbaf998ecdee9ef9932381420d514e446601cd \
+ --hash=sha256:8343bf67c72e09cfabfab55ad4a43ce3f6bf6e6ced7acf70f45ded9ebb425055 \
+ --hash=sha256:92feb989b47f83ebef246adabc7ff3b9a59ac30601c3f6819f8913458610bdcc \
+ --hash=sha256:935c27ae2760c21cd7354402546f6be21d3d0c806fffe967f745d5f2de5005a7 \
+ --hash=sha256:aaf42a04b472d12515debc621c31cf16c215e332242e7a9f56403d814c744624 \
+ --hash=sha256:b12e639378c741add21fbffd16ba5ad25c0a1a17cf2b6fe4288feeb65144f35b \
+ --hash=sha256:b1cca51512299841bf69add3b75361779962f9cee7d9ee3bb446d5982e925b69 \
+ --hash=sha256:b8456987b637232602ceb4d663cb34106f7eb780e247d51a260b84760fd8f491 \
+ --hash=sha256:b9792b0ac0130b277536ab8944e7b754c69560dac0415dd4b2dbd16b902c8954 \
+ --hash=sha256:c9591886fc9cbe5532d5df85cb8e0cc3b44ba8ce4367bd4cf1b93dc19713da72 \
+ --hash=sha256:cf1347450c0b7644ea142712619533553f02ef23f92f781312f6a3553d031fc7 \
+ --hash=sha256:de8b4a9b56255797cbddb93281ed92acbc510fb7b15df3f01bd28f46ebc4edae \
+ --hash=sha256:e1b1dc0372f530f26a03578ac75d5e51b3868b9b76cd2facba4c9ee0eb252ab1 \
+ --hash=sha256:e45f8e981a0ab47103181773cc0a54e650b2aef8c7b6cd07405d0fa8d869444a \
+ --hash=sha256:e4f6d3c53911a9d103d8ec9518190e52a8b945bab021745af4939cfc7c0d4a9e \
+ --hash=sha256:ed8a311493cf5480a2ebc597d1e177231984c818a86875126cfd004241a73c3e \
+ --hash=sha256:ef71a1d4fd4858596ae80ad1ec76404ad29701f8ca7cdcebc50300178db14dfc \
+ --hash=sha256:391b47dd55a692bc40b525b049babf82edc6d277ec154624cf3c2bcf3d25bbb3
+simplejson==3.17.2 \
+ --hash=sha256:4b3442249d5e3893b90cb9f72c7d6ce4d2ea144d2c0d9f75b9ae1e5460f3121a \
+ --hash=sha256:5c659a0efc80aaaba57fcd878855c8534ecb655a28ac8508885c50648e6e659d \
+ --hash=sha256:72d8a3ffca19a901002d6b068cf746be85747571c6a7ba12cbcf427bfb4ed971 \
+ --hash=sha256:75ecc79f26d99222a084fbdd1ce5aad3ac3a8bd535cd9059528452da38b68841 \
+ --hash=sha256:869a183c8e44bc03be1b2bbcc9ec4338e37fa8557fc506bf6115887c1d3bb956 \
+ --hash=sha256:8acf76443cfb5c949b6e781c154278c059b09ac717d2757a830c869ba000cf8d \
+ --hash=sha256:934115642c8ba9659b402c8bdbdedb48651fb94b576e3b3efd1ccb079609b04a \
+ --hash=sha256:e058c7656c44fb494a11443191e381355388443d543f6fc1a245d5d238544396 \
+ --hash=sha256:7ae6e6af2dc617d200fcebc943059ef7e60ddc4de49deb7317f0183ba5bdcdf6
diff --git a/sunposition/sunpos.svg b/sunposition/sunpos.svg
new file mode 100644
index 00000000..cb9cf1fd
--- /dev/null
+++ b/sunposition/sunpos.svg
@@ -0,0 +1,280 @@
+
+
+
+
diff --git a/sunposition/sunposition.pro b/sunposition/sunposition.pro
new file mode 100644
index 00000000..f06cb4f0
--- /dev/null
+++ b/sunposition/sunposition.pro
@@ -0,0 +1,5 @@
+TEMPLATE = aux
+
+OTHER_FILES = integrationpluginsunposition.json \
+ integrationpluginsunposition.py
+
diff --git a/sunposition/sunposition.py b/sunposition/sunposition.py
new file mode 100644
index 00000000..b225b6c8
--- /dev/null
+++ b/sunposition/sunposition.py
@@ -0,0 +1,653 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2016 Samuel Bear Powell
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import numpy as np
+from datetime import datetime
+
+class _sp:
+ @staticmethod
+ def calendar_time(dt):
+ try:
+ x = dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second, dt.microsecond
+ return x
+ except AttributeError:
+ try:
+ return _sp.calendar_time(datetime.utcfromtimestamp(dt)) #will raise OSError if dt is not acceptable
+ except:
+ raise TypeError('dt must be datetime object or POSIX timestamp')
+
+ @staticmethod
+ def julian_day(dt):
+ """Calculate the Julian Day from a datetime.datetime object in UTC"""
+ # year and month numbers
+ yr, mo, dy, hr, mn, sc, us = _sp.calendar_time(dt)
+ if mo <= 2: # From paper: "if M = 1 or 2, then Y = Y - 1 and M = M + 12"
+ mo += 12
+ yr -= 1
+ # day of the month with decimal time
+ dy = dy + hr/24.0 + mn/(24.0*60.0) + sc/(24.0*60.0*60.0) + us/(24.0*60.0*60.0*1e6)
+ # b is equal to 0 for the julian calendar and is equal to (2- A +
+ # INT(A/4)), A = INT(Y/100), for the gregorian calendar
+ a = int(yr / 100)
+ b = 2 - a + int(a / 4)
+ jd = int(365.25 * (yr + 4716)) + int(30.6001 * (mo + 1)) + dy + b - 1524.5
+ return jd
+
+ @staticmethod
+ def julian_ephemeris_day(jd, deltat):
+ """Calculate the Julian Ephemeris Day from the Julian Day and delta-time = (terrestrial time - universal time) in seconds"""
+ return jd + deltat / 86400.0
+
+ @staticmethod
+ def julian_century(jd):
+ """Caluclate the Julian Century from Julian Day or Julian Ephemeris Day"""
+ return (jd - 2451545.0) / 36525.0
+
+ @staticmethod
+ def julian_millennium(jc):
+ """Calculate the Julian Millennium from Julian Ephemeris Century"""
+ return jc / 10.0
+
+ # Earth Periodic Terms
+ # Earth Heliocentric Longitude coefficients (L0, L1, L2, L3, L4, and L5 in paper)
+ _EHL_ = [#L0:
+ [(175347046, 0.0, 0.0), (3341656, 4.6692568, 6283.07585), (34894, 4.6261, 12566.1517),
+ (3497, 2.7441, 5753.3849), (3418, 2.8289, 3.5231), (3136, 3.6277, 77713.7715),
+ (2676, 4.4181, 7860.4194), (2343, 6.1352, 3930.2097), (1324, 0.7425, 11506.7698),
+ (1273, 2.0371, 529.691), (1199, 1.1096, 1577.3435), (990, 5.233, 5884.927),
+ (902, 2.045, 26.298), (857, 3.508, 398.149), (780, 1.179, 5223.694),
+ (753, 2.533, 5507.553), (505, 4.583, 18849.228), (492, 4.205, 775.523),
+ (357, 2.92, 0.067), (317, 5.849, 11790.629), (284, 1.899, 796.298),
+ (271, 0.315, 10977.079), (243, 0.345, 5486.778), (206, 4.806, 2544.314),
+ (205, 1.869, 5573.143), (202, 2.4458, 6069.777), (156, 0.833, 213.299),
+ (132, 3.411, 2942.463), (126, 1.083, 20.775), (115, 0.645, 0.98),
+ (103, 0.636, 4694.003), (102, 0.976, 15720.839), (102, 4.267, 7.114),
+ (99, 6.21, 2146.17), (98, 0.68, 155.42), (86, 5.98, 161000.69),
+ (85, 1.3, 6275.96), (85, 3.67, 71430.7), (80, 1.81, 17260.15),
+ (79, 3.04, 12036.46), (71, 1.76, 5088.63), (74, 3.5, 3154.69),
+ (74, 4.68, 801.82), (70, 0.83, 9437.76), (62, 3.98, 8827.39),
+ (61, 1.82, 7084.9), (57, 2.78, 6286.6), (56, 4.39, 14143.5),
+ (56, 3.47, 6279.55), (52, 0.19, 12139.55), (52, 1.33, 1748.02),
+ (51, 0.28, 5856.48), (49, 0.49, 1194.45), (41, 5.37, 8429.24),
+ (41, 2.4, 19651.05), (39, 6.17, 10447.39), (37, 6.04, 10213.29),
+ (37, 2.57, 1059.38), (36, 1.71, 2352.87), (36, 1.78, 6812.77),
+ (33, 0.59, 17789.85), (30, 0.44, 83996.85), (30, 2.74, 1349.87),
+ (25, 3.16, 4690.48)],
+ #L1:
+ [(628331966747, 0.0, 0.0), (206059, 2.678235, 6283.07585), (4303, 2.6351, 12566.1517),
+ (425, 1.59, 3.523), (119, 5.796, 26.298), (109, 2.966, 1577.344),
+ (93, 2.59, 18849.23), (72, 1.14, 529.69), (68, 1.87, 398.15),
+ (67, 4.41, 5507.55), (59, 2.89, 5223.69), (56, 2.17, 155.42),
+ (45, 0.4, 796.3), (36, 0.47, 775.52), (29, 2.65, 7.11),
+ (21, 5.34, 0.98), (19, 1.85, 5486.78), (19, 4.97, 213.3),
+ (17, 2.99, 6275.96), (16, 0.03, 2544.31), (16, 1.43, 2146.17),
+ (15, 1.21, 10977.08), (12, 2.83, 1748.02), (12, 3.26, 5088.63),
+ (12, 5.27, 1194.45), (12, 2.08, 4694), (11, 0.77, 553.57),
+ (10, 1.3, 3286.6), (10, 4.24, 1349.87), (9, 2.7, 242.73),
+ (9, 5.64, 951.72), (8, 5.3, 2352.87), (6, 2.65, 9437.76),
+ (6, 4.67, 4690.48)],
+ #L2:
+ [(52919, 0.0, 0.0), (8720, 1.0721, 6283.0758), (309, 0.867, 12566.152),
+ (27, 0.05, 3.52), (16, 5.19, 26.3), (16, 3.68, 155.42),
+ (10, 0.76, 18849.23), (9, 2.06, 77713.77), (7, 0.83, 775.52),
+ (5, 4.66, 1577.34), (4, 1.03, 7.11), (4, 3.44, 5573.14),
+ (3, 5.14, 796.3), (3, 6.05, 5507.55), (3, 1.19, 242.73),
+ (3, 6.12, 529.69), (3, 0.31, 398.15), (3, 2.28, 553.57),
+ (2, 4.38, 5223.69), (2, 3.75, 0.98)],
+ #L3:
+ [(289, 5.844, 6283.076), (35, 0.0, 0.0,), (17, 5.49, 12566.15),
+ (3, 5.2, 155.42), (1, 4.72, 3.52), (1, 5.3, 18849.23),
+ (1, 5.97, 242.73)],
+ #L4:
+ [(114, 3.142, 0.0), (8, 4.13, 6283.08), (1, 3.84, 12566.15)],
+ #L5:
+ [(1, 3.14, 0.0)]
+ ]
+
+ #Earth Heliocentric Longitude coefficients (B0 and B1 in paper)
+ _EHB_ = [ #B0:
+ [(280, 3.199, 84334.662), (102, 5.422, 5507.553), (80, 3.88, 5223.69),
+ (44, 3.7, 2352.87), (32, 4.0, 1577.34)],
+ #B1:
+ [(9, 3.9, 5507.55), (6, 1.73, 5223.69)]
+ ]
+
+ #Earth Heliocentric Radius coefficients (R0, R1, R2, R3, R4)
+ _EHR_ = [#R0:
+ [(100013989, 0.0, 0.0), (1670700, 3.0984635, 6283.07585), (13956, 3.05525, 12566.1517),
+ (3084, 5.1985, 77713.7715), (1628, 1.1739, 5753.3849), (1576, 2.8469, 7860.4194),
+ (925, 5.453, 11506.77), (542, 4.564, 3930.21), (472, 3.661, 5884.927),
+ (346, 0.964, 5507.553), (329, 5.9, 5223.694), (307, 0.299, 5573.143),
+ (243, 4.273, 11790.629), (212, 5.847, 1577.344), (186, 5.022, 10977.079),
+ (175, 3.012, 18849.228), (110, 5.055, 5486.778), (98, 0.89, 6069.78),
+ (86, 5.69, 15720.84), (86, 1.27, 161000.69), (85, 0.27, 17260.15),
+ (63, 0.92, 529.69), (57, 2.01, 83996.85), (56, 5.24, 71430.7),
+ (49, 3.25, 2544.31), (47, 2.58, 775.52), (45, 5.54, 9437.76),
+ (43, 6.01, 6275.96), (39, 5.36, 4694), (38, 2.39, 8827.39),
+ (37, 0.83, 19651.05), (37, 4.9, 12139.55), (36, 1.67, 12036.46),
+ (35, 1.84, 2942.46), (33, 0.24, 7084.9), (32, 0.18, 5088.63),
+ (32, 1.78, 398.15), (28, 1.21, 6286.6), (28, 1.9, 6279.55),
+ (26, 4.59, 10447.39)],
+ #R1:
+ [(103019, 1.10749, 6283.07585), (1721, 1.0644, 12566.1517), (702, 3.142, 0.0),
+ (32, 1.02, 18849.23), (31, 2.84, 5507.55), (25, 1.32, 5223.69),
+ (18, 1.42, 1577.34), (10, 5.91, 10977.08), (9, 1.42, 6275.96),
+ (9, 0.27, 5486.78)],
+ #R2:
+ [(4359, 5.7846, 6283.0758), (124, 5.579, 12566.152), (12, 3.14, 0.0),
+ (9, 3.63, 77713.77), (6, 1.87, 5573.14), (3, 5.47, 18849)],
+ #R3:
+ [(145, 4.273, 6283.076), (7, 3.92, 12566.15)],
+ #R4:
+ [(4, 2.56, 6283.08)]
+ ]
+
+ @staticmethod
+ def heliocentric_longitude(jme):
+ """Compute the Earth Heliocentric Longitude (L) in degrees given the Julian Ephemeris Millennium"""
+ #L5, ..., L0
+ Li = [sum(a*np.cos(b + c*jme) for a,b,c in abcs) for abcs in reversed(_sp._EHL_)]
+ L = np.polyval(Li, jme) / 1e8
+ L = np.rad2deg(L) % 360
+ return L
+ @staticmethod
+ def heliocentric_latitude(jme):
+ """Compute the Earth Heliocentric Latitude (B) in degrees given the Julian Ephemeris Millennium"""
+ Bi = [sum(a*np.cos(b + c*jme) for a,b,c in abcs) for abcs in reversed(_sp._EHB_)]
+ B = np.polyval(Bi, jme) / 1e8
+ B = np.rad2deg(B) % 360
+ return B
+ @staticmethod
+ def heliocentric_radius(jme):
+ """Compute the Earth Heliocentric Radius (R) in astronimical units given the Julian Ephemeris Millennium"""
+ Ri = [sum(a*np.cos(b + c*jme) for a,b,c in abcs) for abcs in reversed(_sp._EHR_)]
+ R = np.polyval(Ri, jme) / 1e8
+ return R
+ @staticmethod
+ def heliocentric_position(jme):
+ """Compute the Earth Heliocentric Longitude, Latitude, and Radius given the Julian Ephemeris Millennium
+ Returns (L, B, R) where L = longitude in degrees, B = latitude in degrees, and R = radius in astronimical units
+ """
+ return _sp.heliocentric_longitude(jme), _sp.heliocentric_latitude(jme), _sp.heliocentric_radius(jme)
+ @staticmethod
+ def geocentric_position(helio_pos):
+ """Compute the geocentric latitude (Theta) and longitude (beta) (in degrees) of the sun given the earth's heliocentric position (L, B, R)"""
+ L,B,R = helio_pos
+ th = L + 180
+ b = -B
+ return (th, b)
+
+ #Nutation Longitude and Obliquity coefficients (Y)
+ _NLOY_ = [(0, 0, 0, 0, 1), (-2, 0, 0, 2, 2), (0, 0, 0, 2, 2),
+ (0, 0, 0, 0, 2), (0, 1, 0, 0, 0), (0, 0, 1, 0, 0),
+ (-2, 1, 0, 2, 2), (0, 0, 0, 2, 1), (0, 0, 1, 2, 2),
+ (-2, -1, 0, 2, 2), (-2, 0, 1, 0, 0), (-2, 0, 0, 2, 1),
+ (0, 0, -1, 2, 2), (2, 0, 0, 0, 0), (0, 0, 1, 0, 1),
+ (2, 0, -1, 2, 2), (0, 0, -1, 0, 1), (0, 0, 1, 2, 1),
+ (-2, 0, 2, 0, 0), (0, 0, -2, 2, 1), (2, 0, 0, 2, 2),
+ (0, 0, 2, 2, 2), (0, 0, 2, 0, 0), (-2, 0, 1, 2, 2),
+ (0, 0, 0, 2, 0), (-2, 0, 0, 2, 0), (0, 0, -1, 2, 1),
+ (0, 2, 0, 0, 0), (2, 0, -1, 0, 1), (-2, 2, 0, 2, 2),
+ (0, 1, 0, 0, 1), (-2, 0, 1, 0, 1), (0, -1, 0, 0, 1),
+ (0, 0, 2, -2, 0), (2, 0, -1, 2, 1), (2, 0, 1, 2, 2),
+ (0, 1, 0, 2, 2), (-2, 1, 1, 0, 0), (0, -1, 0, 2, 2),
+ (2, 0, 0, 2, 1), (2, 0, 1, 0, 0), (-2, 0, 2, 2, 2),
+ (-2, 0, 1, 2, 1), (2, 0, -2, 0, 1), (2, 0, 0, 0, 1),
+ (0, -1, 1, 0, 0), (-2, -1, 0, 2, 1), (-2, 0, 0, 0, 1),
+ (0, 0, 2, 2, 1), (-2, 0, 2, 0, 1), (-2, 1, 0, 2, 1),
+ (0, 0, 1, -2, 0), (-1, 0, 1, 0, 0), (-2, 1, 0, 0, 0),
+ (1, 0, 0, 0, 0), (0, 0, 1, 2, 0), (0, 0, -2, 2, 2),
+ (-1, -1, 1, 0, 0), (0, 1, 1, 0, 0), (0, -1, 1, 2, 2),
+ (2, -1, -1, 2, 2), (0, 0, 3, 2, 2), (2, -1, 0, 2, 2)]
+ #Nutation Longitude and Obliquity coefficients (a,b)
+ _NLOab_ = [(-171996, -174.2), (-13187, -1.6), (-2274, -0.2), (2062, 0.2), (1426, -3.4), (712, 0.1),
+ (-517, 1.2), (-386, -0.4), (-301, 0), (217, -0.5), (-158, 0), (129, 0.1),
+ (123, 0), (63, 0), (63, 0.1), (-59, 0), (-58, -0.1), (-51, 0),
+ (48, 0), (46, 0), (-38, 0), (-31, 0), (29, 0), (29, 0),
+ (26, 0), (-22, 0), (21, 0), (17, -0.1), (16, 0), (-16, 0.1),
+ (-15, 0), (-13, 0), (-12, 0), (11, 0), (-10, 0), (-8, 0),
+ (7, 0), (-7, 0), (-7, 0), (-7, 0), (6, 0), (6, 0),
+ (6, 0), (-6, 0), (-6, 0), (5, 0), (-5, 0), (-5, 0),
+ (-5, 0), (4, 0), (4, 0), (4, 0), (-4, 0), (-4, 0),
+ (-4, 0), (3, 0), (-3, 0), (-3, 0), (-3, 0), (-3, 0),
+ (-3, 0), (-3, 0), (-3, 0)]
+ #Nutation Longitude and Obliquity coefficients (c,d)
+ _NLOcd_ = [(92025, 8.9), (5736, -3.1), (977, -0.5), (-895, 0.5),
+ (54, -0.1), (-7, 0), (224, -0.6), (200, 0),
+ (129, -0.1), (-95, 0.3), (0, 0), (-70, 0),
+ (-53, 0), (0, 0), (-33, 0), (26, 0),
+ (32, 0), (27, 0), (0, 0), (-24, 0),
+ (16, 0), (13, 0), (0, 0), (-12, 0),
+ (0, 0), (0, 0), (-10, 0), (0, 0),
+ (-8, 0), (7, 0), (9, 0), (7, 0),
+ (6, 0), (0, 0), (5, 0), (3, 0),
+ (-3, 0), (0, 0), (3, 0), (3, 0),
+ (0, 0), (-3, 0), (-3, 0), (3, 0),
+ (3, 0), (0, 0), (3, 0), (3, 0),
+ (3, 0)]
+
+ @staticmethod
+ def ecliptic_obliquity(jme, delta_epsilon):
+ """Calculate the true obliquity of the ecliptic (epsilon, in degrees) given the Julian Ephemeris Millennium and the obliquity"""
+ u = jme/10
+ e0 = np.polyval([2.45, 5.79, 27.87, 7.12, -39.05, -249.67, -51.38, 1999.25, -1.55, -4680.93, 84381.448], u)
+ e = e0/3600.0 + delta_epsilon
+ return e
+
+ @staticmethod
+ def nutation_obliquity(jce):
+ """compute the nutation in longitude (delta_psi) and the true obliquity (epsilon) given the Julian Ephemeris Century"""
+
+ #mean elongation of the moon from the sun, in radians:
+ #x0 = 297.85036 + 445267.111480*jce - 0.0019142*(jce**2) + (jce**3)/189474
+ x0 = np.deg2rad(np.polyval([1./189474, -0.0019142, 445267.111480, 297.85036],jce))
+ #mean anomaly of the sun (Earth), in radians:
+ x1 = np.deg2rad(np.polyval([-1/3e5, -0.0001603, 35999.050340, 357.52772], jce))
+ #mean anomaly of the moon, in radians:
+ x2 = np.deg2rad(np.polyval([1./56250, 0.0086972, 477198.867398, 134.96298], jce))
+ #moon's argument of latitude, in radians:
+ x3 = np.deg2rad(np.polyval([1./327270, -0.0036825, 483202.017538, 93.27191], jce))
+ #Longitude of the ascending node of the moon's mean orbit on the ecliptic
+ # measured from the mean equinox of the date, in radians
+ x4 = np.deg2rad(np.polyval([1./45e4, 0.0020708, -1934.136261, 125.04452], jce))
+
+ x = (x0, x1, x2, x3, x4)
+
+ dp = 0.0
+ for y, ab in zip(_sp._NLOY_, _sp._NLOab_):
+ a,b = ab
+ dp += (a + b*jce)*np.sin(np.dot(x, y))
+ dp = np.rad2deg(dp)/36e6
+
+ de = 0.0
+ for y, cd in zip(_sp._NLOY_, _sp._NLOcd_):
+ c,d = cd
+ de += (c + d*jce)*np.cos(np.dot(x, y))
+ de = np.rad2deg(de)/36e6
+
+ e = _sp.ecliptic_obliquity(_sp.julian_millennium(jce), de)
+
+ return dp, e
+
+ @staticmethod
+ def abberation_correction(R):
+ """Calculate the abberation correction (delta_tau, in degrees) given the Earth Heliocentric Radius (in AU)"""
+ return -20.4898/(3600*R)
+
+ @staticmethod
+ def sun_longitude(helio_pos, delta_psi):
+ """Calculate the apparent sun longitude (lambda, in degrees) and geocentric longitude (beta, in degrees) given the earth heliocentric position and delta_psi"""
+ L,B,R = helio_pos
+ theta = L + 180 #geocentric latitude
+ beta = -B
+ ll = theta + delta_psi + _sp.abberation_correction(R)
+ return ll, beta
+
+ @staticmethod
+ def greenwich_sidereal_time(jd, delta_psi, epsilon):
+ """Calculate the apparent Greenwich sidereal time (v, in degrees) given the Julian Day"""
+ jc = _sp.julian_century(jd)
+ #mean sidereal time at greenwich, in degrees:
+ v0 = (280.46061837 + 360.98564736629*(jd - 2451545) + 0.000387933*(jc**2) - (jc**3)/38710000) % 360
+ v = v0 + delta_psi*np.cos(np.deg2rad(epsilon))
+ return v
+
+ @staticmethod
+ def sun_ra_decl(llambda, epsilon, beta):
+ """Calculate the sun's geocentric right ascension (alpha, in degrees) and declination (delta, in degrees)"""
+ l, e, b = map(np.deg2rad, (llambda, epsilon, beta))
+ alpha = np.arctan2(np.sin(l)*np.cos(e) - np.tan(b)*np.sin(e), np.cos(l)) #x1 / x2
+ alpha = np.rad2deg(alpha) % 360
+ delta = np.arcsin(np.sin(b)*np.cos(e) + np.cos(b)*np.sin(e)*np.sin(l))
+ delta = np.rad2deg(delta)
+ return alpha, delta
+
+ @staticmethod
+ def sun_topo_ra_decl_hour(latitude, longitude, elevation, jd, delta_t = 0):
+ """Calculate the sun's topocentric right ascension (alpha'), declination (delta'), and hour angle (H')"""
+
+ jde = _sp.julian_ephemeris_day(jd, delta_t)
+ jce = _sp.julian_century(jde)
+ jme = _sp.julian_millennium(jce)
+
+ helio_pos = _sp.heliocentric_position(jme)
+ R = helio_pos[-1]
+ phi, sigma, E = latitude, longitude, elevation
+ #equatorial horizontal parallax of the sun, in radians
+ xi = np.deg2rad(8.794/(3600*R)) #
+ #rho = distance from center of earth in units of the equatorial radius
+ #phi-prime = geocentric latitude
+ #NB: These equations look like their based on WGS-84, but are rounded slightly
+ # The WGS-84 reference ellipsoid has major axis a = 6378137 m, and flattening factor 1/f = 298.257223563
+ # minor axis b = a*(1-f) = 6356752.3142 = 0.996647189335*a
+ u = np.arctan(0.99664719*np.tan(phi)) #
+ x = np.cos(u) + E*np.cos(phi)/6378140 #rho sin(phi-prime)
+ y = 0.99664719*np.sin(u) + E*np.sin(phi)/6378140 #rho cos(phi-prime)
+
+ delta_psi, epsilon = _sp.nutation_obliquity(jce) #
+
+ llambda, beta = _sp.sun_longitude(helio_pos, delta_psi) #
+
+ alpha, delta = _sp.sun_ra_decl(llambda, epsilon, beta) #
+
+ v = _sp.greenwich_sidereal_time(jd, delta_psi, epsilon) #
+
+ H = v + longitude - alpha #
+ Hr, dr = map(np.deg2rad,(H,delta))
+
+ dar = np.arctan2(-x*np.sin(xi)*np.sin(Hr), np.cos(dr)-x*np.sin(xi)*np.cos(Hr))
+ delta_alpha = np.rad2deg(dar) #
+
+ alpha_prime = alpha + delta_alpha #
+ delta_prime = np.rad2deg(np.arctan2((np.sin(dr) - y*np.sin(xi))*np.cos(dar), np.cos(dr) - y*np.sin(xi)*np.cos(Hr))) #
+ H_prime = H - delta_alpha #
+
+ return alpha_prime, delta_prime, H_prime
+
+ @staticmethod
+ def sun_topo_azimuth_zenith(latitude, delta_prime, H_prime, temperature=14.6, pressure=1013):
+ """Compute the sun's topocentric azimuth and zenith angles
+ azimuth is measured eastward from north, zenith from vertical
+ temperature = average temperature in C (default is 14.6 = global average in 2013)
+ pressure = average pressure in mBar (default 1013 = global average)
+ """
+ phi = np.deg2rad(latitude)
+ dr, Hr = map(np.deg2rad,(delta_prime, H_prime))
+ P, T = pressure, temperature
+ e0 = np.rad2deg(np.arcsin(np.sin(phi)*np.sin(dr) + np.cos(phi)*np.cos(dr)*np.cos(Hr)))
+ tmp = np.deg2rad(e0 + 10.3/(e0+5.11))
+ delta_e = (P/1010.0)*(283.0/(273+T))*(1.02/(60*np.tan(tmp)))
+ e = e0 + delta_e
+ zenith = 90 - e
+
+ gamma = np.rad2deg(np.arctan2(np.sin(Hr), np.cos(Hr)*np.sin(phi) - np.tan(dr)*np.cos(phi))) % 360
+ Phi = (gamma + 180) % 360 #azimuth from north
+ return Phi, zenith
+
+ @staticmethod
+ def norm_lat_lon(lat,lon):
+ if lat < -90 or lat > 90:
+ #convert to cartesian and back
+ x = cos(deg2rad(lon))*cos(deg2rad(lat))
+ y = sin(deg2rad(lon))*cos(deg2rad(lat))
+ z = sin(deg2rad(lat))
+ r = sqrt(x**2 + y**2 + z**2)
+ lon = rad2deg(arctan2(y,x)) % 360
+ lat = rad2deg(arcsin(z/r))
+ elif lon < 0 or lon > 360:
+ lon = lon % 360
+ return lat,lon
+
+ @staticmethod
+ def topo_pos(t,lat,lon,elev,temp,press,dt):
+ """compute RA,dec,H, all in degrees"""
+ lat,lon = _sp.norm_lat_lon(lat,lon)
+ jd = _sp.julian_day(t)
+ RA, dec, H = _sp.sun_topo_ra_decl_hour(lat, lon, elev, jd, dt)
+ return RA, dec, H
+
+ @staticmethod
+ def pos(t,lat,lon,elev,temp,press,dt):
+ """Compute azimute,zenith,RA,dec,H all in degrees"""
+ lat,lon = _sp.norm_lat_lon(lat,lon)
+ jd = _sp.julian_day(t)
+ RA, dec, H = _sp.sun_topo_ra_decl_hour(lat, lon, elev, jd, dt)
+ azimuth, zenith = _sp.sun_topo_azimuth_zenith(lat, dec, H, temp, press)
+ return azimuth,zenith,RA,dec,H
+
+def julian_day(dt):
+ """Convert UTC datetimes or UTC timestamps to Julian days
+
+ Parameters
+ ----------
+ dt : array_like
+ UTC datetime objects or UTC timestamps (as per datetime.utcfromtimestamp)
+
+ Returns
+ -------
+ jd : ndarray
+ datetimes converted to fractional Julian days
+ """
+ dts = np.array(dt)
+ if len(dts.shape) == 0:
+ return _sp.julian_day(dt)
+
+ jds = np.empty(dts.shape)
+ for i,d in enumerate(dts.flat):
+ jds.flat[i] = _sp.julian_day(d)
+ return jds
+
+def arcdist(p0,p1,radians=False):
+ """Angular distance between azimuth,zenith pairs
+
+ Parameters
+ ----------
+ p0 : array_like, shape (..., 2)
+ p1 : array_like, shape (..., 2)
+ p[...,0] = azimuth angles, p[...,1] = zenith angles
+ radians : boolean (default False)
+ If False, angles are in degrees, otherwise in radians
+
+ Returns
+ -------
+ ad : array_like, shape is broadcast(p0,p1).shape
+ Arcdistances between corresponding pairs in p0,p1
+ In degrees by default, in radians if radians=True
+ """
+ #formula comes from translating points into cartesian coordinates
+ #taking the dot product to get the cosine between the two vectors
+ #then arccos to return to angle, and simplify everything assuming real inputs
+ p0,p1 = np.array(p0), np.array(p1)
+ if not radians:
+ p0,p1 = np.deg2rad(p0), np.deg2rad(p1)
+ a0,z0 = p0[...,0], p0[...,1]
+ a1,z1 = p1[...,0], p1[...,1]
+ d = np.arccos(np.cos(z0)*np.cos(z1)+np.cos(a0-a1)*np.sin(z0)*np.sin(z1))
+ if radians:
+ return d
+ else:
+ return np.rad2deg(d)
+
+def observed_sunpos(dt, latitude, longitude, elevation, temperature=None, pressure=None, delta_t=0, radians=False):
+ """Compute the observed coordinates of the sun as viewed at the given time and location.
+
+ Parameters
+ ----------
+ dt : array_like of datetime or float
+ UTC datetime objects or UTC timestamps (as per datetime.utcfromtimestamp) representing the times of observations
+ latitude, longitude : array_like of float
+ decimal degrees, positive for north of the equator and east of Greenwich
+ elevation : array_like of float
+ meters, relative to the WGS-84 ellipsoid
+ temperature : None or array_like of float, optional
+ celcius, default is 14.6 (global average in 2013)
+ pressure : None or array_like of float, optional
+ millibar, default is 1013 (global average in ??)
+ delta_t : array_like of float, optional
+ seconds, default is 0, difference between the earth's rotation time (TT) and universal time (UT)
+ radians : bool, optional
+ return results in radians if True, degrees if False (default)
+
+ Returns
+ -------
+ coords : ndarray, (...,2)
+ The shape of the array is parameters broadcast together, plus a final dimension for the coordinates.
+ coords[...,0] = observed azimuth angle, measured eastward from north
+ coords[...,1] = observed zenith angle, measured down from vertical
+ """
+ if temperature is None:
+ temperature = 14.6
+ if pressure is None:
+ pressure = 1013
+
+ #6367444 = radius of earth
+ #numpy broadcasting
+ b = np.broadcast(dt,latitude,longitude,elevation,temperature,pressure,delta_t)
+ res = np.empty(b.shape+(2,))
+ res_vec = res.reshape((-1,2))
+ for i,x in enumerate(b):
+ res_vec[i] = _sp.pos(*x)[:2]
+ if radians:
+ res = np.deg2rad(res)
+ return res
+
+def topocentric_sunpos(dt, latitude, longitude, temperature=None, pressure=None, delta_t=0, radians=False):
+ """Compute the topocentric coordinates of the sun as viewed at the given time and location.
+
+ Parameters
+ ----------
+ dt : array_like of datetime or float
+ UTC datetime objects or UTC timestamps (as per datetime.utcfromtimestamp) representing the times of observations
+ latitude, longitude : array_like of float
+ decimal degrees, positive for north of the equator and east of Greenwich
+ elevation : array_like of float
+ meters, relative to the WGS-84 ellipsoid
+ temperature : None or array_like of float, optional
+ celcius, default is 14.6 (global average in 2013)
+ pressure : None or array_like of float, optional
+ millibar, default is 1013 (global average in ??)
+ delta_t : array_like of float, optional
+ seconds, default is 0, difference between the earth's rotation time (TT) and universal time (UT)
+ radians : bool, optional
+ return results in radians if True, degrees if False (default)
+
+ Returns
+ -------
+ coords : ndarray, (...,3)
+ The shape of the array is parameters broadcast together, plus a final dimension for the coordinates.
+ coords[...,0] = topocentric right ascension
+ coords[...,1] = topocentric declination
+ coords[...,2] = topocentric hour angle
+ """
+ if temperature is None:
+ temperature = 14.6
+ if pressure is None:
+ pressure = 1013
+
+ #6367444 = radius of earth
+ #numpy broadcasting
+ b = np.broadcast(dt,latitude,longitude,elevation,temperature,pressure,delta_t)
+ res = np.empty(b.shape+(2,))
+ res_vec = res.reshape((-1,2))
+ for i,x in enumerate(b):
+ res_vec[i] = _sp.topo_pos(*x)
+ if radians:
+ res = np.deg2rad(res)
+ return res
+
+def sunpos(dt, latitude, longitude, elevation, temperature=None, pressure=None, delta_t=0, radians=False):
+ """Compute the observed and topocentric coordinates of the sun as viewed at the given time and location.
+
+ Parameters
+ ----------
+ dt : array_like of datetime or float
+ UTC datetime objects or UTC timestamps (as per datetime.utcfromtimestamp) representing the times of observations
+ latitude, longitude : array_like of float
+ decimal degrees, positive for north of the equator and east of Greenwich
+ elevation : array_like of float
+ meters, relative to the WGS-84 ellipsoid
+ temperature : None or array_like of float, optional
+ celcius, default is 14.6 (global average in 2013)
+ pressure : None or array_like of float, optional
+ millibar, default is 1013 (global average in ??)
+ delta_t : array_like of float, optional
+ seconds, default is 0, difference between the earth's rotation time (TT) and universal time (UT)
+ radians : bool, optional
+ return results in radians if True, degrees if False (default)
+
+ Returns
+ -------
+ coords : ndarray, (...,5)
+ The shape of the array is parameters broadcast together, plus a final dimension for the coordinates.
+ coords[...,0] = observed azimuth angle, measured eastward from north
+ coords[...,1] = observed zenith angle, measured down from vertical
+ coords[...,2] = topocentric right ascension
+ coords[...,3] = topocentric declination
+ coords[...,4] = topocentric hour angle
+ """
+
+ if temperature is None:
+ temperature = 14.6
+ if pressure is None:
+ pressure = 1013
+
+ #6367444 = radius of earth
+ #numpy broadcasting
+ b = np.broadcast(dt,latitude,longitude,elevation,temperature,pressure,delta_t)
+ res = np.empty(b.shape+(5,))
+ res_vec = res.reshape((-1,5))
+ for i,x in enumerate(b):
+ res_vec[i] = _sp.pos(*x)
+ if radians:
+ res = np.deg2rad(res)
+ return res
+
+def main(args):
+ az, zen, ra, dec, h = sunpos(args.t, args.lat, args.lon, args.elev, args.temp, args.p, args.dt, args.rad)
+ if args.csv:
+ #machine readable
+ print('{t}, {dt}, {lat}, {lon}, {elev}, {temp}, {p}, {az}, {zen}, {ra}, {dec}, {h}'.format(t=args.t, dt=args.dt, lat=args.lat, lon=args.lon, elev=args.elev,temp=args.temp, p=args.p,az=az, zen=zen, ra=ra, dec=dec, h=h))
+ else:
+ dr='deg'
+ if args.rad:
+ dr='rad'
+ print("Computing sun position at T = {t} + {dt} s".format(t=args.t, dt=args.dt))
+ print("Lat, Lon, Elev = {lat} deg, {lon} deg, {elev} m".format(lat=args.lat, lon=args.lon, elev=args.elev))
+ print("T, P = {temp} C, {press} mbar".format(temp=args.temp, press=args.p))
+ print("Results:")
+ print("Azimuth, zenith = {az} {dr}, {zen} {dr}".format(az=az,zen=zen,dr=dr))
+ print("RA, dec, H = {ra} {dr}, {dec} {dr}, {h} {dr}".format(ra=ra, dec=dec, h=h, dr=dr))
+
+if __name__ == '__main__':
+ from argparse import ArgumentParser
+ import datetime, sys
+ parser = ArgumentParser(prog='sunposition',description='Compute sun position parameters given the time and location')
+ parser.add_argument('--version',action='version',version='%(prog)s 1.0')
+ parser.add_argument('--citation',dest='cite',action='store_true',help='Print citation information')
+ parser.add_argument('-t,--time',dest='t',type=str,default='now',help='"now" or date and time (UTC) in "YYYY-MM-DD hh:mm:ss.ssssss" format or a (UTC) POSIX timestamp')
+ parser.add_argument('-lat,--latitude',dest='lat',type=float,default=51.48,help='latitude, in decimal degrees, positive for north')
+ parser.add_argument('-lon,--longitude',dest='lon',type=float,default=0.0,help='longitude, in decimal degrees, positive for east')
+ parser.add_argument('-e,--elevation',dest='elev',type=float,default=0,help='elevation, in meters')
+ parser.add_argument('-T,--temperature',dest='temp',type=float,default=14.6,help='temperature, in degrees celcius')
+ parser.add_argument('-p,--pressure',dest='p',type=float,default=1013.0,help='atmospheric pressure, in millibar')
+ parser.add_argument('-dt',type=float,default=0.0,help='difference between earth\'s rotation time (TT) and universal time (UT1)')
+ parser.add_argument('-r,--radians',dest='rad',action='store_true',help='Output in radians instead of degrees')
+ parser.add_argument('--csv',dest='csv',action='store_true',help='Comma separated values (time,dt,lat,lon,elev,temp,pressure,az,zen,RA,dec,H)')
+ args = parser.parse_args()
+ if args.cite:
+ print("Implementation: Samuel Bear Powell, 2016")
+ print("Algorithm:")
+ print("Ibrahim Reda, Afshin Andreas, \"Solar position algorithm for solar radiation applications\", Solar Energy, Volume 76, Issue 5, 2004, Pages 577-589, ISSN 0038-092X, doi:10.1016/j.solener.2003.12.003")
+ sys.exit(0)
+ if args.t == "now":
+ args.t = datetime.datetime.utcnow()
+ elif ":" in args.t and "-" in args.t:
+ try:
+ args.t = datetime.datetime.strptime(args.t,'%Y-%m-%d %H:%M:%S.%f') #with microseconds
+ except:
+ try:
+ args.t = datetime.datetime.strptime(args.t,'%Y-%m-%d %H:%M:%S.') #without microseconds
+ except:
+ args.t = datetime.datetime.strptime(args.t,'%Y-%m-%d %H:%M:%S')
+ else:
+ args.t = datetime.datetime.utcfromtimestamp(int(args.t))
+ main(args)
diff --git a/sunposition/translations/30ff7e8f-4c67-4a8a-8b49-94c64bcbbe8a-en_US.ts b/sunposition/translations/30ff7e8f-4c67-4a8a-8b49-94c64bcbbe8a-en_US.ts
new file mode 100644
index 00000000..4eed9d5e
--- /dev/null
+++ b/sunposition/translations/30ff7e8f-4c67-4a8a-8b49-94c64bcbbe8a-en_US.ts
@@ -0,0 +1,41 @@
+
+
+
+
+ sunPosition
+
+ Latitude
+ The name of the ParamType (ThingClass: sunPosition, Type: thing, ID: {cc321533-787a-4fba-9abe-7b73e588ac5d})
+
+
+
+ Longitude
+ The name of the ParamType (ThingClass: sunPosition, Type: thing, ID: {1b0bbf53-634a-42ed-b3b3-c058ef1e015c})
+
+
+
+ Sun Position
+ The name of the ThingClass ({a79bc8cb-89bc-4227-9b7c-70130d26ad34})
+----------
+The name of the plugin sunPosition ({30ff7e8f-4c67-4a8a-8b49-94c64bcbbe8a})
+
+
+
+ Sun angle
+ The name of the ParamType (ThingClass: sunPosition, EventType: angle, ID: {5c2f5149-5152-4e0e-b372-3d3edd302306})
+----------
+The name of the StateType ({5c2f5149-5152-4e0e-b372-3d3edd302306}) of ThingClass sunPosition
+
+
+
+ Sun angle changed
+ The name of the EventType ({5c2f5149-5152-4e0e-b372-3d3edd302306}) of ThingClass sunPosition
+
+
+
+ nymea GmbH
+ The name of the vendor ({2062d64d-3232-433c-88bc-0d33c0ba2ba6})
+
+
+
+