دوال للتعامل مع Polygons - ClickHouse Documentation

WKT

يعيد كائنًا هندسيًا بتنسيق WKT ‏(Well Known Text) من أنواع البيانات الجغرافية المختلفة. كائنات WKT المدعومة هي:

POINT
MULTIPOINT
POLYGON
MULTIPOLYGON
LINESTRING
MULTILINESTRING

البنية

WKT(geo_data)

المعلمات يمكن أن تكون geo_data واحدة من أنواع البيانات الجغرافية التالية أو من أنواعها الأولية الأساسية:

القيمة المُعادة

يُعاد الكائن الهندسي WKT POINT عند استخدام Point.
يُعاد الكائن الهندسي WKT MULTIPOINT عند استخدام MultiPoint.
يُعاد الكائن الهندسي WKT POLYGON عند استخدام Polygon.
يُعاد الكائن الهندسي WKT MULTIPOLYGON عند استخدام MultiPolygon.
يُعاد الكائن الهندسي WKT LINESTRING عند استخدام LineString.
يُعاد الكائن الهندسي WKT MULTILINESTRING عند استخدام MultiLineString.

أمثلة POINT من Tuple:

SELECT wkt((0., 0.));

POINT(0 0)

POLYGON من مصفوفة من Tuple أو من مصفوفة من مصفوفات Tuple:

SELECT wkt([(0., 0.), (10., 0.), (10., 10.), (0., 10.)]);

POLYGON((0 0,10 0,10 10,0 10))

‏MULTIPOLYGON من مصفوفة من مصفوفات Tuple متعددة الأبعاد:

SELECT wkt([[[(0., 0.), (10., 0.), (10., 10.), (0., 10.)], [(4., 4.), (5., 4.), (5., 5.), (4., 5.)]], [[(-10., -10.), (-10., -9.), (-9., 10.)]]]);

MULTIPOLYGON(((0 0,10 0,10 10,0 10,0 0),(4 4,5 4,5 5,4 5,4 4)),((-10 -10,-10 -9,-9 10,-10 -10)))

readWKTMultiPolygon

يحوّل قيمة MultiPolygon بتنسيق WKT ‏(Well Known Text) إلى نوع MultiPolygon.

مثال

SELECT
    toTypeName(readWKTMultiPolygon('MULTIPOLYGON(((2 0,10 0,10 10,0 10,2 0),(4 4,5 4,5 5,4 5,4 4)),((-10 -10,-10 -9,-9 10,-10 -10)))')) AS type,
    readWKTMultiPolygon('MULTIPOLYGON(((2 0,10 0,10 10,0 10,2 0),(4 4,5 4,5 5,4 5,4 4)),((-10 -10,-10 -9,-9 10,-10 -10)))') AS output FORMAT Markdown

النوع	الناتج
MultiPolygon	[[[(2,0),(10,0),(10,10),(0,10),(2,0)],[(4,4),(5,4),(5,5),(4,5),(4,4)]],[[(-10,-10),(-10,-9),(-9,10),(-10,-10)]]]

معلمات الإدخال

سلسلة تبدأ بـ MULTIPOLYGON

القيمة المُعادة

MultiPolygon

readWKTPolygon

يحوّل WKT ‏(Well Known Text) من النوع MultiPolygon إلى النوع Polygon.

مثال

SELECT
    toTypeName(readWKTPolygon('POLYGON((2 0,10 0,10 10,0 10,2 0))')) AS type,
    readWKTPolygon('POLYGON((2 0,10 0,10 10,0 10,2 0))') AS output
FORMAT Markdown

النوع	الناتج
Polygon	[[(2,0),(10,0),(10,10),(0,10),(2,0)]]

معلمات الإدخال

سلسلة نصية تبدأ بـ POLYGON

القيمة المعادة

Polygon

readWKTPoint

تقوم الدالة readWKTPoint في ClickHouse بتحليل تمثيل Well-Known Text ‏(WKT) لهندسة من نوع Point، وتُرجع نقطة بالتنسيق الداخلي في ClickHouse.

الصيغة

readWKTPoint(wkt_string)

الوسائط

wkt_string: سلسلة WKT المُدخلة التي تُمثّل هندسة من نوع Point.

القيمة المُعادة

تُرجِع الدالة تمثيلاً داخليًا في ClickHouse للكائن الهندسي Point.

مثال

SELECT readWKTPoint('POINT (1.2 3.4)');

(1.2,3.4)

readWKTLineString

يحلّل تمثيل Well-Known Text ‏(WKT) لهندسة LineString ويعيده بالتنسيق الداخلي في ClickHouse.

الصيغة

readWKTLineString(wkt_string)

الوسائط

wkt_string: سلسلة WKT المُدخلة التي تمثل هندسة من نوع LineString.

القيمة المُعادة

تعيد الدالة تمثيلًا داخليًا لهندسة linestring في ClickHouse.

مثال

SELECT readWKTLineString('LINESTRING (1 1, 2 2, 3 3, 1 1)');

[(1,1),(2,2),(3,3),(1,1)]

readWKTMultiLineString

يحلّل تمثيل Well-Known Text ‏(WKT) لهندسة MultiLineString ويُعيده بالتنسيق الداخلي في ClickHouse.

الصيغة

readWKTMultiLineString(wkt_string)

الوسيط

wkt_string: سلسلة WKT المُدخلة التي تمثل كائنًا هندسيًا من نوع MultiLineString.

القيمة المُعادة

تُرجِع الدالة التمثيل الداخلي في ClickHouse لهندسة MultiLineString.

مثال

SELECT readWKTMultiLineString('MULTILINESTRING ((1 1, 2 2, 3 3), (4 4, 5 5, 6 6))');

[[(1,1),(2,2),(3,3)],[(4,4),(5,5),(6,6)]]

readWKTMultiPoint

يُحلّل تمثيل «النص المعروف جيدًا» (WKT) لهندسة MultiPoint ويُرجعه بتنسيق ClickHouse الداخلي.

صيغة

readWKTMultiPoint(wkt_string)

الوسيطات

wkt_string: سلسلة WKT للإدخال التي تمثّل هندسة MultiPoint.

القيمة المُعادة

تُرجع الدالة التمثيل الداخلي في ClickHouse لهندسة النقاط المتعددة.

مثال

SELECT readWKTMultiPoint('MULTIPOINT (1 1, 2 2, 3 3)');

[(1,1),(2,2),(3,3)]

readWKTRing

يُحلّل تمثيلًا بصيغة Well-Known Text ‏(WKT) لهندسة Polygon ويُرجع حلقةً (سلسلة خطوط مغلقة) بالتنسيق الداخلي في ClickHouse.

الصيغة

readWKTRing(wkt_string)

الوسائط

wkt_string: سلسلة WKT المُدخلة التي تُمثّل شكلًا هندسيًا من نوع Polygon.

القيمة المُعادة

تُرجِع الدالة تمثيل ClickHouse الداخلي لهندسة الحلقة (خطٍّ متصل مغلق).

مثال

SELECT readWKTRing('POLYGON ((1 1, 2 2, 3 3, 1 1))');

[(1,1),(2,2),(3,3),(1,1)]

polygonsWithinSpherical

تُرجِع true أو false بحسب ما إذا كان أحد المضلعات يقع بالكامل داخل مضلع آخر أم لا. المرجع https://www.boost.org/doc/libs/1_62_0/libs/geometry/doc/html/geometry/reference/algorithms/within/within_2.html

مثال

SELECT polygonsWithinSpherical([[[(4.3613577, 50.8651821), (4.349556, 50.8535879), (4.3602419, 50.8435626), (4.3830299, 50.8428851), (4.3904543, 50.8564867), (4.3613148, 50.8651279)]]], [[[(4.346693, 50.858306), (4.367945, 50.852455), (4.366227, 50.840809), (4.344961, 50.833264), (4.338074, 50.848677), (4.346693, 50.858306)]]]);

readWKBMultiPolygon

يحوّل قيمة WKB ‏(Well Known Binary) التي تمثل MultiPolygon إلى نوع MultiPolygon.

مثال

SELECT
    toTypeName(readWKBMultiPolygon(unhex('0106000000020000000103000000020000000500000000000000000000400000000000000000000000000000244000000000000000000000000000002440000000000000244000000000000000000000000000002440000000000000004000000000000000000500000000000000000010400000000000001040000000000000144000000000000010400000000000001440000000000000144000000000000010400000000000001440000000000000104000000000000010400103000000010000000400000000000000000024c000000000000024c000000000000024c000000000000022c000000000000022c0000000000000244000000000000024c000000000000024c0'))) AS type,
    readWKBMultiPolygon(unhex('0106000000020000000103000000020000000500000000000000000000400000000000000000000000000000244000000000000000000000000000002440000000000000244000000000000000000000000000002440000000000000004000000000000000000500000000000000000010400000000000001040000000000000144000000000000010400000000000001440000000000000144000000000000010400000000000001440000000000000104000000000000010400103000000010000000400000000000000000024c000000000000024c000000000000024c000000000000022c000000000000022c0000000000000244000000000000024c000000000000024c0')) AS output FORMAT Markdown

النوع	المخرجات
MultiPolygon	[[[(2,0),(10,0),(10,10),(0,10),(2,0)],[(4,4),(5,4),(5,5),(4,5),(4,4)]],[[(-10,-10),(-10,-9),(-9,10),(-10,-10)]]]

معلمات الإدخال

سلسلة تبدأ بـ MULTIPOLYGON

القيمة المُعادة

MultiPolygon

readWKBPolygon

يحوّل WKB ‏(Well Known Binary) من النوع MultiPolygon إلى النوع Polygon.

مثال

SELECT
    toTypeName(readWKBPolygon(unhex('010300000001000000050000000000000000000040000000000000000000000000000024400000000000000000000000000000244000000000000024400000000000000000000000000000244000000000000000400000000000000000'))) AS type,
    readWKBPolygon(unhex('010300000001000000050000000000000000000040000000000000000000000000000024400000000000000000000000000000244000000000000024400000000000000000000000000000244000000000000000400000000000000000')) AS output
FORMAT Markdown

النوع	الناتج
Polygon	[[(2,0),(10,0),(10,10),(0,10),(2,0)]]

معلمة الإدخال

قيمة سلسلة تبدأ بـ POLYGON

القيمة المُعادة

Polygon

readWKBPoint

تُحلّل الدالة readWKBPoint في ClickHouse تمثيل Well-Known Binary ‏(WKB) لهندسة Point، ثم تُرجِع نقطة بالتنسيق الداخلي في ClickHouse.

الصيغة

readWKBPoint(wkb_string)

الوسيط

wkb_string: سلسلة WKB المُدخلة التي تمثل هندسة من النوع Point.

القيمة المُعادة

تعيد الدالة تمثيل ClickHouse الداخلي للنوع الهندسي Point.

مثال

SELECT readWKBPoint(unhex('0101000000333333333333f33f3333333333330b40'));

(1.2,3.4)

readWKBLineString

يحلّل تمثيل Well-Known Binary ‏(WKB) لهندسة LineString ويُعيده بصيغة ClickHouse الداخلية.

الصيغة

readWKBLineString(wkb_string)

الوسائط

wkb_string: سلسلة WKB المُدخلة التي تمثل هندسة من نوع LineString.

القيمة المُعادة

تُرجِع الدالة التمثيل الداخلي في ClickHouse لهندسة linestring.

مثال

SELECT readWKBLineString(unhex('010200000004000000000000000000f03f000000000000f03f0000000000000040000000000000004000000000000008400000000000000840000000000000f03f000000000000f03f'));

[(1,1),(2,2),(3,3),(1,1)]

readWKBMultiLineString

يحلّل تمثيل Well-Known Binary ‏(WKB) لكائن هندسي من نوع MultiLineString ويُعيده بالتنسيق الداخلي لـ ClickHouse.

الصيغة

readWKBMultiLineString(wkb_string)

الوسيط

wkb_string: سلسلة WKB المُدخلة التي تُمثّل هندسةً من نوع MultiLineString.

القيمة المُعادة

تُرجِع الدالة تمثيل ClickHouse الداخلي لهندسة multilinestring.

مثال

SELECT readWKBMultiLineString(unhex('010500000002000000010200000003000000000000000000f03f000000000000f03f0000000000000040000000000000004000000000000008400000000000000840010200000003000000000000000000104000000000000010400000000000001440000000000000144000000000000018400000000000001840'));

[[(1,1),(2,2),(3,3)],[(4,4),(5,5),(6,6)]]

معلمات الإدخال

القيمة المُعادة

UInt8، وتكون 0 للقيمة false و1 للقيمة true

readWKBMultiPoint

يحلّل تمثيل Well-Known Binary ‏(WKB) لشكل هندسي من نوع MultiPoint ويعيده بتنسيق ClickHouse الداخلي.

صيغة

readWKBMultiPoint(wkb_string)

الوسيطات

wkb_string: سلسلة WKB المدخلة التي تمثل هندسة MultiPoint.

القيمة المُعادة

تُرجع الدالة التمثيل الداخلي في ClickHouse لهندسة النقاط المتعددة.

مثال

SELECT readWKBMultiPoint(unhex('0104000000020000000101000000000000000000f03f000000000000f03f010100000000000000000000400000000000000040'));

[(1,1),(2,2)]

polygonsDistanceSpherical

تحسب الحد الأدنى للمسافة بين نقطتين، بحيث تنتمي إحدى النقطتين إلى المضلع الأول وتنتمي الثانية إلى مضلع آخر. ويعني “كروي” هنا أن الإحداثيات تُفسَّر على أنها إحداثيات على كرة نقية ومثالية، وهذا لا ينطبق على الأرض. يسرّع استخدام هذا النوع من أنظمة الإحداثيات التنفيذ، لكنه بالطبع غير دقيق.

مثال

SELECT polygonsDistanceSpherical([[[(0, 0), (0, 0.1), (0.1, 0.1), (0.1, 0)]]], [[[(10., 10.), (10., 40.), (40., 40.), (40., 10.), (10., 10.)]]])

0.24372872211133834

معلمات الإدخال

مضلعان

القيمة المُعادة

Float64

polygonsDistanceCartesian

تحسب المسافة بين مضلعين

مثال

SELECT polygonsDistanceCartesian([[[(0, 0), (0, 0.1), (0.1, 0.1), (0.1, 0)]]], [[[(10., 10.), (10., 40.), (40., 40.), (40., 10.), (10., 10.)]]])

14.000714267493642

معلمات الإدخال

مضلّعان

القيمة المعادة

Float64

polygonsEqualsCartesian

يُرجع true إذا كان المضلعان متساويين

مثال

SELECT polygonsEqualsCartesian([[[(1., 1.), (1., 4.), (4., 4.), (4., 1.)]]], [[[(1., 1.), (1., 4.), (4., 4.), (4., 1.), (1., 1.)]]])

معلمات الإدخال

مضلعان

القيمة المعادة

UInt8، حيث يشير 0 إلى false و1 إلى true

polygonsSymDifferenceSpherical

تحسب الفرق المتماثل (XOR) المكاني وفق نظرية المجموعات بين مضلعين

مثال

SELECT wkt(arraySort(polygonsSymDifferenceSpherical([[(50., 50.), (50., -50.), (-50., -50.), (-50., 50.), (50., 50.)], [(10., 10.), (10., 40.), (40., 40.), (40., 10.), (10., 10.)], [(-10., -10.), (-10., -40.), (-40., -40.), (-40., -10.), (-10., -10.)]], [[(-20., -20.), (-20., 20.), (20., 20.), (20., -20.), (-20., -20.)]])));

MULTIPOLYGON(((-20 -10.3067,-10 -10,-10 -20.8791,-20 -20,-20 -10.3067)),((10 20.8791,20 20,20 10.3067,10 10,10 20.8791)),((50 50,50 -50,-50 -50,-50 50,50 50),(20 10.3067,40 10,40 40,10 40,10 20.8791,-20 20,-20 -10.3067,-40 -10,-40 -40,-10 -40,-10 -20.8791,20 -20,20 10.3067)))

معلمات الإدخال

المضلعات

القيمة المُعادة

MultiPolygon

polygonsSymDifferenceCartesian

مماثل لـ polygonsSymDifferenceSpherical، لكن الإحداثيات تكون في النظام الإحداثي الديكارتي؛ وهو أقرب إلى نموذج الأرض الفعلي.

مثال

SELECT wkt(polygonsSymDifferenceCartesian([[[(0, 0), (0, 3), (1, 2.9), (2, 2.6), (2.6, 2), (2.9, 1), (3, 0), (0, 0)]]], [[[(1., 1.), (1., 4.), (4., 4.), (4., 1.), (1., 1.)]]]))

MULTIPOLYGON(((1 2.9,1 1,2.9 1,3 0,0 0,0 3,1 2.9)),((1 2.9,1 4,4 4,4 1,2.9 1,2.6 2,2 2.6,1 2.9)))

معلمات الإدخال

المضلعات

القيمة المُعادة

MultiPolygon

polygonsIntersectionSpherical

يحسب التقاطع (AND) بين المضلعات، حيث تكون الإحداثيات كروية.

مثال

SELECT wkt(arrayMap(a -> arrayMap(b -> arrayMap(c -> (round(c.1, 6), round(c.2, 6)), b), a), polygonsIntersectionSpherical([[[(4.3613577, 50.8651821), (4.349556, 50.8535879), (4.3602419, 50.8435626), (4.3830299, 50.8428851), (4.3904543, 50.8564867), (4.3613148, 50.8651279)]]], [[[(4.346693, 50.858306), (4.367945, 50.852455), (4.366227, 50.840809), (4.344961, 50.833264), (4.338074, 50.848677), (4.346693, 50.858306)]]])))

MULTIPOLYGON(((4.3666 50.8434,4.36024 50.8436,4.34956 50.8536,4.35268 50.8567,4.36794 50.8525,4.3666 50.8434)))

معلمة الإدخال

المضلعات

القيمة المُعادة

MultiPolygon

polygonsWithinCartesian

تُرجع true إذا كان المضلع الثاني يقع داخل المضلع الأول.

مثال

SELECT polygonsWithinCartesian([[[(2., 2.), (2., 3.), (3., 3.), (3., 2.)]]], [[[(1., 1.), (1., 4.), (4., 4.), (4., 1.), (1., 1.)]]])

معلمات الإدخال

مضلعان

القيمة المعادة

UInt8، 0 للقيمة false، و1 للقيمة true

polygonsIntersectCartesian

تُرجع القيمة true إذا كان المضلعان يتقاطعان (أي يشتركان في أي مساحة أو في أي جزء من الحدود).

مثال

SELECT polygonsIntersectCartesian([[[(2., 2.), (2., 3.), (3., 3.), (3., 2.)]]], [[[(1., 1.), (1., 4.), (4., 4.), (4., 1.), (1., 1.)]]])

معلمات الإدخال

مضلعان

القيمة المعادة

UInt8، 0 لـ false، و1 لـ true

polygonsIntersectSpherical

تعيد القيمة true إذا كان المضلعان متقاطعين (أي يشتركان في أي مساحة أو جزء من الحدود). المرجع: https://www.boost.org/doc/libs/1_62_0/libs/geometry/doc/html/geometry/reference/algorithms/intersects.html

مثال

SELECT polygonsIntersectSpherical([[[(4.3613577, 50.8651821), (4.349556, 50.8535879), (4.3602419, 50.8435626), (4.3830299, 50.8428851), (4.3904543, 50.8564867), (4.3613148, 50.8651279)]]], [[[(4.346693, 50.858306), (4.367945, 50.852455), (4.366227, 50.840809), (4.344961, 50.833264), (4.338074, 50.848677), (4.346693, 50.858306)]]]);

معلمات الإدخال

مضلعان

القيمة المعادة

UInt8، 0 لـ false، و1 لـ true

geometryIntersectCartesian

تُرجع true إذا تقاطع شكلان هندسيان (أي إذا اشتركا في أي نقطة أو خط أو مساحة). بخلاف polygonsIntersectCartesian، فهي تقبل أي نوع بيانات هندسي (Point, MultiPoint, LineString, MultiLineString, Ring, Polygon, MultiPolygon)، بما في ذلك النوع العام Geometry، ويمكن أن تكون الوسيطتان من نوعين مختلفين. تكون الإحداثيات في نظام الإحداثيات الديكارتية.

مثال

SELECT geometryIntersectCartesian([(2., 2.), (2., 3.), (3., 3.), (3., 2.)]::Ring, [(1., 1.), (1., 4.), (4., 4.), (4., 1.)]::Ring)

معلمة الإدخال

شكلان هندسيان من أي نوع من أنواع البيانات الهندسية (أو Geometry).

القيمة المُعادة

UInt8، 0 للقيمة false، و1 للقيمة true

geometryIntersectSpherical

تُرجع true إذا كان شكلان هندسيان يتقاطعان (أي يشتركان في أي نقطة أو خط أو مساحة). بخلاف polygonsIntersectSpherical، فإنها تقبل أي نوع بيانات هندسي (Point, MultiPoint, LineString, MultiLineString, Ring, Polygon, MultiPolygon)، بما في ذلك النوع العام Geometry، ويمكن أن تكون الوسيطتان من نوعين مختلفين. تُفسَّر الإحداثيات على أنها تقع على كرة مثالية.

مثال

SELECT geometryIntersectSpherical([[[(4.3613577, 50.8651821), (4.349556, 50.8535879), (4.3602419, 50.8435626), (4.3830299, 50.8428851), (4.3904543, 50.8564867), (4.3613148, 50.8651279)]]]::MultiPolygon, (4.36, 50.85)::Point)

معلمات الإدخال

شكلان هندسيان من أي نوع من أنواع البيانات الهندسية (أو Geometry).

القيمة المُعادة

UInt8، و0 لـ false، و1 لـ true

polygonConvexHullCartesian

يحسب الغلاف المحدب. المرجع الإحداثيات في نظام الإحداثيات الديكارتي.

مثال

SELECT wkt(polygonConvexHullCartesian([[[(0., 0.), (0., 5.), (5., 5.), (5., 0.), (2., 3.)]]]))

POLYGON((0 0,0 5,5 5,5 0,0 0))

معلمات الإدخال

MultiPolygon

القيمة المُعادة

Polygon

polygonAreaSpherical

تحسب المساحة السطحية لمضلع.

مثال

SELECT round(polygonAreaSpherical([[[(4.346693, 50.858306), (4.367945, 50.852455), (4.366227, 50.840809), (4.344961, 50.833264), (4.338074, 50.848677), (4.346693, 50.858306)]]]), 14)

9.387704e-8

معلمات الإدخال

Polygon

القيمة المُعادة

عدد بفاصلة عائمة

polygonsUnionSpherical

يحسب عملية الاتحاد (OR).

مثال

SELECT wkt(polygonsUnionSpherical([[[(4.3613577, 50.8651821), (4.349556, 50.8535879), (4.3602419, 50.8435626), (4.3830299, 50.8428851), (4.3904543, 50.8564867), (4.3613148, 50.8651279)]]], [[[(4.346693, 50.858306), (4.367945, 50.852455), (4.366227, 50.840809), (4.344961, 50.833264), (4.338074, 50.848677), (4.346693, 50.858306)]]]))

MULTIPOLYGON(((4.36661 50.8434,4.36623 50.8408,4.34496 50.8333,4.33807 50.8487,4.34669 50.8583,4.35268 50.8567,4.36136 50.8652,4.36131 50.8651,4.39045 50.8565,4.38303 50.8429,4.36661 50.8434)))

معلمات الإدخال

المضلعات

القيمة المعادة

MultiPolygon

polygonPerimeterSpherical

تحسب محيط المضلع.

مثال

مضلع يمثّل زيمبابوي

هذا هو المضلع الذي يمثّل زيمبابوي:

POLYGON((30.0107 -15.6462,30.0502 -15.6401,30.09 -15.6294,30.1301 -15.6237,30.1699 -15.6322,30.1956 -15.6491,30.2072 -15.6532,30.2231 -15.6497,30.231 -15.6447,30.2461 -15.6321,30.2549 -15.6289,30.2801 -15.6323,30.2962 -15.639,30.3281 -15.6524,30.3567 -15.6515,30.3963 -15.636,30.3977 -15.7168,30.3993 -15.812,30.4013 -15.9317,30.4026 -16.0012,30.5148 -16.0004,30.5866 -16,30.7497 -15.9989,30.8574 -15.9981,30.9019 -16.0071,30.9422 -16.0345,30.9583 -16.0511,30.9731 -16.062,30.9898 -16.0643,31.012 -16.0549,31.0237 -16.0452,31.0422 -16.0249,31.0569 -16.0176,31.0654 -16.0196,31.0733 -16.0255,31.0809 -16.0259,31.089 -16.0119,31.1141 -15.9969,31.1585 -16.0002,31.26 -16.0235,31.2789 -16.0303,31.2953 -16.0417,31.3096 -16.059,31.3284 -16.0928,31.3409 -16.1067,31.3603 -16.1169,31.3703 -16.1237,31.3746 -16.1329,31.3778 -16.1422,31.384 -16.1488,31.3877 -16.1496,31.3956 -16.1477,31.3996 -16.1473,31.4043 -16.1499,31.4041 -16.1545,31.4027 -16.1594,31.4046 -16.1623,31.4241 -16.1647,31.4457 -16.165,31.4657 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استخدام الدالة polygonPerimeterSpherical

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-19.592033), (26.313205, -19.584178), (26.30349, -19.577254), (26.292638, -19.572499), (26.239101, -19.571466), (26.194452, -19.560200000000002), (26.155488, -19.537153), (26.13027, -19.501082), (26.034359, -19.243734), (26.011414, -19.199809), (25.981132, -19.161775), (25.956534, -19.122088), (25.948576, -19.103277), (25.944855, -19.079196), (25.948059, -19.058732), (25.964389, -19.021629), (25.9678, -19.000958), (25.967449, -18.999925), (25.940721, -18.921273), (25.815251, -18.813993), (25.779491, -18.738752), (25.773393, -18.665578), (25.761921, -18.630335), (25.736909, -18.608734), (25.698255, -18.590234), (25.669523, -18.566049), (25.622084, -18.501143), (25.608442, -18.487708), (25.574439, -18.465693), (25.508499, -18.399134), (25.49558, -18.378877), (25.490516, -18.365545), (25.481163, -18.323377), (25.473204, -18.303429), (25.440855, -18.2532), (25.408816, -18.175995), (25.387525, -18.138995), (25.357449, -18.115844), (25.323446, -18.09662), (25.296368, -18.068612), (25.255026, -18.001122), (25.226088, -17.931876), (25.21937, -17.908001), (25.21937, -17.879786), (25.259781, -17.794107), (25.266705, -17.800928), (25.285412, -17.809299), (25.315901, -17.83214), (25.335538, -17.841235), (25.345254, -17.842579), (25.376466, -17.841235), (25.409539, -17.853018), (25.420288, -17.854878), (25.49558, -17.854878), (25.500748, -17.856015), (25.510153, -17.861183), (25.516458, -17.862319), (25.522142, -17.860149), (25.530927, -17.850951), (25.536818, -17.848677), (25.603997, -17.836171), (25.657017, -17.81395), (25.681409, -17.81147), (25.694224, -17.819428), (25.70642, -17.829867), (25.743834, -17.839375), (25.765951, -17.849814), (25.786002, -17.862216), (25.794683, -17.872655), (25.804399, -17.888158), (25.849667, -17.906658), (25.86362, -17.923814), (25.847497, -17.929395), (25.846153, -17.943658), (25.853490999999998, -17.959988), (25.86362, -17.971563), (25.924495, -17.998952), (25.966973, -18.000502), (25.978548, -17.998952), (26.033739, -17.971563), (26.04056, -17.978488), (26.046554, -17.966292), (26.062471, -17.962882), (26.081178, -17.962365), (26.095234, -17.958541), (26.096164, -17.954614), (26.0942, -17.941901), (26.095234, -17.938077), (26.101228, -17.935803), (26.118591, -17.931566), (26.135438, -17.922574), (26.158589, -17.918337), (26.167477, -17.913582), (26.203031, -17.887227), (26.211919, -17.882783), (26.221117, -17.886297), (26.228249, -17.894669), (26.233933, -17.903971), (26.239204, -17.910172), (26.248299, -17.913376), (26.294291, -17.918543), (26.3038, -17.922781), (26.311965, -17.928362), (26.318269, -17.934356), (26.325504, -17.93601), (26.362711, -17.930636), (26.408599, -17.939007), (26.485494, -17.979315), (26.527145, -17.992027), (26.553604, -17.996471), (26.570243, -18.002879), (26.583369, -18.013215), (26.598872, -18.029958), (26.612721, -18.041223), (26.628844, -18.049181), (26.685689, -18.066751), (26.700003, -18.069232), (26.71194, -18.065821), (26.740569, -18.0405), (26.753591, -18.032955), (26.769714, -18.029028), (26.794002, -18.026237), (26.88826, -17.984586), (26.912031, -17.992027), (26.94867, -17.968876), (26.95916, -17.964742), (27.006289, -17.962675), (27.021275, -17.958541), (27.048457, -17.944278), (27.078171, -17.916993), (27.11543, -17.882163), (27.149019, -17.842476), (27.146539, -17.818911), (27.145299, -17.794107), (27.146952, -17.783875), (27.157081, -17.769302), (27.422078, -17.504822), (27.524294, -17.415112), (27.577314, -17.363125), (27.604495, -17.312792), (27.624856, -17.233314), (27.641186, -17.198484), (27.777301, -17.001183), (27.816886, -16.959636), (27.868562, -16.929663), (28.022993, -16.865393), (28.113922, -16.827551), (28.21252, -16.748589), (28.280113, -16.706524), (28.643295, -16.568755), (28.690734, -16.56028), (28.718794, -16.56028), (28.73285, -16.55811), (28.741377, -16.550668), (28.761117, -16.532271), (28.769282, -16.515218), (28.808866, -16.486279), (28.822509, -16.470776), (28.829124, -16.434603), (28.833051, -16.426438), (28.857236, -16.388198), (28.857029, -16.36546), (28.840492, -16.323602), (28.836772, -16.306342), (28.840286, -16.284741), (28.86416, -16.231205), (28.847107, -16.202679), (28.852481, -16.162785), (28.8654, -16.121237), (28.870981, -16.087234), (28.868501, -16.08217), (28.86385, -16.076589), (28.859303, -16.069561), (28.857236, -16.060466), (28.860336, -16.049407), (28.874082, -16.028943), (28.877183, -16.022018), (28.898887, -15.995457), (28.932373, -15.963727), (28.946862, -15.957235), (28.951287, -15.955252), (28.972784, -15.951428), (29.018053, -15.950602), (29.042341, -15.946261), (29.055053, -15.934375), (29.076344, -15.895411), (29.086162, -15.884559), (29.102182, -15.870916), (29.121716, -15.859341), (29.141869, -15.854483), (29.150964, -15.848799), (29.186311, -15.812832), (29.406969, -15.714233), (29.422059, -15.711030000000001), (29.508462, -15.703588), (29.526239, -15.692839), (29.563446, -15.662144), (29.587217, -15.655736), (29.608559, -15.658422999999999), (29.62799, -15.663591), (29.648505, -15.666588), (29.672793, -15.663281), (29.73005, -15.644677), (29.773252, -15.638062), (29.814283, -15.619666), (29.837331, -15.614808), (29.881773, -15.618839), (29.967504, -15.641473), (30.010654, -15.646227)]), 6)

0.45539

معلمة الإدخال

القيمة المُعادة

polygonsIntersectionCartesian

تحسب تقاطع المضلعات.

مثال

SELECT wkt(polygonsIntersectionCartesian([[[(0., 0.), (0., 3.), (1., 2.9), (2., 2.6), (2.6, 2.), (2.9, 1.), (3., 0.), (0., 0.)]]], [[[(1., 1.), (1., 4.), (4., 4.), (4., 1.), (1., 1.)]]]))

MULTIPOLYGON(((1 2.9,2 2.6,2.6 2,2.9 1,1 1,1 2.9)))

معلمات الإدخال

المضلعات

القيمة المعادة

MultiPolygon

polygonAreaCartesian

يحسب مساحة مضلع

مثال

SELECT polygonAreaCartesian([[[(0., 0.), (0., 5.), (5., 5.), (5., 0.)]]])

معلمات الإدخال

Polygon

القيمة المُعادة

Float64

polygonPerimeterCartesian

يحسب محيط المضلع.

مثال

SELECT polygonPerimeterCartesian([[[(0., 0.), (0., 5.), (5., 5.), (5., 0.)]]])

معلمات الإدخال

Polygon

القيمة المُعادة

Float64

polygonsUnionCartesian

تحسب عملية اتحاد المضلعات.

مثال

SELECT wkt(polygonsUnionCartesian([[[(0., 0.), (0., 3.), (1., 2.9), (2., 2.6), (2.6, 2.), (2.9, 1), (3., 0.), (0., 0.)]]], [[[(1., 1.), (1., 4.), (4., 4.), (4., 1.), (1., 1.)]]]))

MULTIPOLYGON(((1 2.9,1 4,4 4,4 1,2.9 1,3 0,0 0,0 3,1 2.9)))

معلمة الإدخال

المضلعات

القيمة المُعادة

MultiPolygon لمزيد من المعلومات عن أنظمة الهندسة، راجع هذا العرض التقديمي حول مكتبة Boost، وهي المكتبة التي يستخدمها ClickHouse.

آخر تعديل في ١٤ أغسطس ٢٠٢٦

​WKT

​readWKTMultiPolygon

​مثال

​معلمات الإدخال

​القيمة المُعادة

​readWKTPolygon

​مثال

​معلمات الإدخال

​القيمة المعادة

​readWKTPoint

​الصيغة

​الوسائط

​القيمة المُعادة

​مثال

​readWKTLineString

​الصيغة

​الوسائط

​القيمة المُعادة

​مثال

​readWKTMultiLineString

​الصيغة

​الوسيط

​القيمة المُعادة

​مثال

​readWKTMultiPoint

​صيغة

​الوسيطات

​القيمة المُعادة

​مثال

​readWKTRing

​الصيغة

​الوسائط

​القيمة المُعادة

​مثال

​polygonsWithinSpherical

​مثال

​readWKBMultiPolygon

​مثال

​معلمات الإدخال

​القيمة المُعادة

​readWKBPolygon

​مثال

​معلمة الإدخال

​القيمة المُعادة

​readWKBPoint

​الصيغة

​الوسيط

​القيمة المُعادة

​مثال

​readWKBLineString

​الصيغة

​الوسائط

​القيمة المُعادة

​مثال

​readWKBMultiLineString

​الصيغة

​الوسيط

​القيمة المُعادة

​مثال

​معلمات الإدخال

​القيمة المُعادة

​readWKBMultiPoint

​صيغة

​الوسيطات

​القيمة المُعادة

​مثال

​polygonsDistanceSpherical

​مثال

​معلمات الإدخال

​القيمة المُعادة

​polygonsDistanceCartesian

​مثال

​معلمات الإدخال

​القيمة المعادة

​polygonsEqualsCartesian

​مثال

​معلمات الإدخال

​القيمة المعادة

​polygonsSymDifferenceSpherical

​مثال

WKT

readWKTMultiPolygon

مثال

معلمات الإدخال

القيمة المُعادة

readWKTPolygon

مثال

معلمات الإدخال

القيمة المعادة

readWKTPoint

الصيغة

الوسائط

القيمة المُعادة

مثال

readWKTLineString

الصيغة

الوسائط

القيمة المُعادة

مثال

readWKTMultiLineString

الصيغة

الوسيط

القيمة المُعادة

مثال

readWKTMultiPoint

صيغة

الوسيطات

القيمة المُعادة

مثال

readWKTRing

الصيغة

الوسائط

القيمة المُعادة

مثال

polygonsWithinSpherical

مثال

readWKBMultiPolygon

مثال

معلمات الإدخال

القيمة المُعادة

readWKBPolygon

مثال

معلمة الإدخال

القيمة المُعادة

readWKBPoint

الصيغة

الوسيط

القيمة المُعادة

مثال

readWKBLineString

الصيغة

الوسائط

القيمة المُعادة

مثال

readWKBMultiLineString

الصيغة

الوسيط

القيمة المُعادة

مثال

معلمات الإدخال

القيمة المُعادة

readWKBMultiPoint

صيغة

الوسيطات

القيمة المُعادة

مثال

polygonsDistanceSpherical

مثال

معلمات الإدخال

القيمة المُعادة

polygonsDistanceCartesian

مثال

معلمات الإدخال

القيمة المعادة

polygonsEqualsCartesian

مثال

معلمات الإدخال

القيمة المعادة

polygonsSymDifferenceSpherical

مثال