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Kernel Density Tool

أداة كثافة النواة

ArcMap ArcGIS

How to use Kernel Density Tool in Arc Toolbox??

كيفية استخدام أداة كثافة النواة ؟؟

Path to access the toolمسار الوصول الى الأداة

:

Kernel Density Tool, Density Toolset, Spatial Analyst Tools Toolbox

 

Kernel Density

Calculates a magnitude-per-unit area from point or polyline features using a kernel function to fit a smoothly tapered surface to each point or polyline.

تحسب المقدار لكل وحدة مساحة من معالم النقطة أو الخطوط المتعددة باستخدام دالة kernel لتلائم سطح مدبب بسلاسة لكل نقطة أو متعدد الخطوط.

1. Input point or polyline features نقطة الإدخال أو ميزات الخطوط المتعددة

The input features (point or line) for which to calculate the density.

ميزات الإدخال (النقطة أو الخط) المطلوب حساب الكثافة لها.

Population field

Field denoting population values for each feature. The population field is the count or quantity to be spread across the landscape to create a continuous surface.

Values in the population field may be integer or floating point.

The options and default behaviors for the field are listed below.

·      Use None if no item or special value will be used and each feature will be counted once.

·      You can use Shape if input features contains Z.

·      Otherwise, the default field is POPULATION. The following conditions may also apply.

o   If there is no POPULATION field, but there is a POPULATIONxxxx field, this is used by default. The xxxx can be any valid character, such as POPULATION6, POPULATION1974, or POPULATIONROADTYPE.

o   If there is no POPULATION field or POPULATIONxxxx field, but there is a POP field, this is used by default.

o   If there is no POPULATION field, POPULATIONxxxx field, or POP field, but there is a POPxxxx field, this is used by default.

o   If there is no POPULATION field, POPULATIONxxxx field, POP field, or POPxxxx field, NONE is used by default.

Output raster

The output kernel density raster.

It is always a floating point raster.

Output cell size (optional)

The cell size of the output raster that will be created.

This parameter can be defined by a numeric value or obtained from an existing raster dataset. If the cell size hasn't been explicitly specified as the parameter value, the environment cell size value will be used if specified; otherwise, additional rules will be used to calculate it from the other inputs. See the usage for more detail.

Search radius (optional)

The search radius within which to calculate density. Units are based on the linear unit of the projection of the output spatial reference.

For example, if the units are in meters—to include all features within a one-mile neighborhood—set the search radius equal to 1609.344 (1 mile = 1609.344 meters).

The default search radius (bandwidth) is computed specifically to the input dataset using a spatial variant of Silverman's Rule of Thumb that is robust to spatial outliers (that is, points that are far away from the rest of the points). See the usage tips above for a description of the algorithm.

Area units (optional)

The desired area units of the output density values.

A default unit is selected based on the linear unit of the output spatial reference. You can change this to the appropriate unit if you wish to convert the density output. Values for line density convert the units of both length and area.

If no output spatial reference is specified, the output spatial reference will be the same as the input feature class. The default output density units is determined by the linear units of the output spatial reference as follows. If the output linear units are meters, the output area density units will be set to SQUARE_KILOMETERS, outputting square kilometers for point features or kilometers per square kilometers for polyline features. If the output linear units are feet, the output area density units will be set to SQUARE_MILES.

If the output units is anything other than feet or meters, the output area density units will be set to SQUARE_MAP_UNITS. That is, the output density units will be the square of the linear units of the output spatial reference. For example, if the output linear units is centimeters, the output area density units will be SQUARE_MAP_UNITS, which would result in square centimeters. If the output linear units is kilometers, the output area density units will be SQUARE_MAP_UNITS, which would result in square kilometers.

The available options and their corresponding output density units are the following:

·      SQUARE_MAP_UNITS—For the square of the linear units of the output spatial reference.

·      SQUARE_MILES—For miles (U.S.).

·      SQUARE_KILOMETERS—For kilometers.

·      ACRES—For acres (U.S.).

·      HECTARES—For hectares.

·      SQUARE_YARDS—For yards (U.S.).

·      SQUARE_FEET—For feet (U.S.).

·      SQUARE_INCHES—For inches (U.S.).

·      SQUARE_METERS—For meters.

·      SQUARE_CENTIMETERS—For centimeters.

·      SQUARE_MILLIMETERS—For millimeters.

Output values are (optional)

Determines what the values in the output raster represent.

·      DENSITIES—The output values represent the predicted density value. This is the default.

·      EXPECTED_COUNTS—The output values represent the predicted amount of the phenomenon within each cell.Since the cell value is linked to the specified cell size, the resulting raster cannot be resampled to a different cell size and still represent the amount of the phenomenon.

Method (optional)

Determines whether to use a shortest path on a spheroid (geodesic) or a flat earth (planar) method. It is strongly suggested to use the geodesic method with data stored in a coordinate system that is not appropriate for distance measurements (for example, Web Mercator or any geographic coordinate system) and any analysis that spans a large geographic area.

·      PLANAR—Uses planar distances between the features. This is the default.

·      GEODESIC—Uses geodesic distances between features. This method takes into account the curvature of the spheroid and correctly deals with data near the poles and the International dateline.

2. Population field حقل سكني

Field denoting population values for each feature. The population field is the count or quantity to be spread across the landscape to create a continuous surface.

حقل يشير إلى قيم السكان لكل ميزة. مجال السكان هو العدد أو الكمية التي سيتم نشرها عبر المناظر الطبيعية لإنشاء سطح مستمر.

قد تكون القيم في حقل السكان عددًا صحيحًا أو فاصلة عائمة.

الخيارات والسلوكيات الافتراضية للحقل مذكورة أدناه.

• استخدم "لا شيء" إذا لم يتم استخدام أي عنصر أو قيمة خاصة وسيتم احتساب كل ميزة مرة واحدة.

• يمكنك استخدام الشكل إذا كانت ميزات الإدخال تحتوي على Z.

• خلاف ذلك ، فإن الحقل الافتراضي هو السكان. قد تنطبق الشروط التالية أيضًا.

o إذا لم يكن هناك حقل "عدد السكان" ، ولكن يوجد حقل "عدد سكان" ، فسيتم استخدامه افتراضيًا. يمكن أن يكون xxxx أي حرف صالح ، مثل POPULATION6 أو POPULATION1974 أو POPULATIONROADTYPE.

o إذا لم يكن هناك حقل "سكان" أو حقل "عدد سكان" ، ولكن يوجد حقل POP ، فسيتم استخدامه افتراضيًا.

o إذا لم يكن هناك حقل "سكان" أو حقل "عدد سكان" أو "POP" ، ولكن هناك حقل POPxxxx ، فسيتم استخدامه افتراضيًا.

o إذا لم يكن هناك حقل "سكان" أو حقل "عدد سكان" أو "حقل POP" أو حقل POPxxxx ، فسيتم استخدام "لا شيء" افتراضيًا.

Output raster

The output kernel density raster.

It is always a floating point raster.

Output cell size (optional)

The cell size of the output raster that will be created.

This parameter can be defined by a numeric value or obtained from an existing raster dataset. If the cell size hasn't been explicitly specified as the parameter value, the environment cell size value will be used if specified; otherwise, additional rules will be used to calculate it from the other inputs. See the usage for more detail.

Search radius (optional)

The search radius within which to calculate density. Units are based on the linear unit of the projection of the output spatial reference.

For example, if the units are in meters—to include all features within a one-mile neighborhood—set the search radius equal to 1609.344 (1 mile = 1609.344 meters).

The default search radius (bandwidth) is computed specifically to the input dataset using a spatial variant of Silverman's Rule of Thumb that is robust to spatial outliers (that is, points that are far away from the rest of the points). See the usage tips above for a description of the algorithm.

Area units (optional)

The desired area units of the output density values.

A default unit is selected based on the linear unit of the output spatial reference. You can change this to the appropriate unit if you wish to convert the density output. Values for line density convert the units of both length and area.

If no output spatial reference is specified, the output spatial reference will be the same as the input feature class. The default output density units is determined by the linear units of the output spatial reference as follows. If the output linear units are meters, the output area density units will be set to SQUARE_KILOMETERS, outputting square kilometers for point features or kilometers per square kilometers for polyline features. If the output linear units are feet, the output area density units will be set to SQUARE_MILES.

If the output units is anything other than feet or meters, the output area density units will be set to SQUARE_MAP_UNITS. That is, the output density units will be the square of the linear units of the output spatial reference. For example, if the output linear units is centimeters, the output area density units will be SQUARE_MAP_UNITS, which would result in square centimeters. If the output linear units is kilometers, the output area density units will be SQUARE_MAP_UNITS, which would result in square kilometers.

The available options and their corresponding output density units are the following:

·      SQUARE_MAP_UNITS—For the square of the linear units of the output spatial reference.

·      SQUARE_MILES—For miles (U.S.).

·      SQUARE_KILOMETERS—For kilometers.

·      ACRES—For acres (U.S.).

·      HECTARES—For hectares.

·      SQUARE_YARDS—For yards (U.S.).

·      SQUARE_FEET—For feet (U.S.).

·      SQUARE_INCHES—For inches (U.S.).

·      SQUARE_METERS—For meters.

·      SQUARE_CENTIMETERS—For centimeters.

·      SQUARE_MILLIMETERS—For millimeters.

Output values are (optional)

Determines what the values in the output raster represent.

·      DENSITIES—The output values represent the predicted density value. This is the default.

·      EXPECTED_COUNTS—The output values represent the predicted amount of the phenomenon within each cell.Since the cell value is linked to the specified cell size, the resulting raster cannot be resampled to a different cell size and still represent the amount of the phenomenon.

Method (optional)

Determines whether to use a shortest path on a spheroid (geodesic) or a flat earth (planar) method. It is strongly suggested to use the geodesic method with data stored in a coordinate system that is not appropriate for distance measurements (for example, Web Mercator or any geographic coordinate system) and any analysis that spans a large geographic area.

·      PLANAR—Uses planar distances between the features. This is the default.

·      GEODESIC—Uses geodesic distances between features. This method takes into account the curvature of the spheroid and correctly deals with data near the poles and the International dateline.

3. Output raster مخرج البيانات النقطية

The output kernel density raster.

It is always a floating point raster.

كثافة نواة الإخراج النقطية.

وهي دائما نقطية عائمة.

Output cell size (optional)

The cell size of the output raster that will be created.

This parameter can be defined by a numeric value or obtained from an existing raster dataset. If the cell size hasn't been explicitly specified as the parameter value, the environment cell size value will be used if specified; otherwise, additional rules will be used to calculate it from the other inputs. See the usage for more detail.

Search radius (optional)

The search radius within which to calculate density. Units are based on the linear unit of the projection of the output spatial reference.

For example, if the units are in meters—to include all features within a one-mile neighborhood—set the search radius equal to 1609.344 (1 mile = 1609.344 meters).

The default search radius (bandwidth) is computed specifically to the input dataset using a spatial variant of Silverman's Rule of Thumb that is robust to spatial outliers (that is, points that are far away from the rest of the points). See the usage tips above for a description of the algorithm.

Area units (optional)

The desired area units of the output density values.

A default unit is selected based on the linear unit of the output spatial reference. You can change this to the appropriate unit if you wish to convert the density output. Values for line density convert the units of both length and area.

If no output spatial reference is specified, the output spatial reference will be the same as the input feature class. The default output density units is determined by the linear units of the output spatial reference as follows. If the output linear units are meters, the output area density units will be set to SQUARE_KILOMETERS, outputting square kilometers for point features or kilometers per square kilometers for polyline features. If the output linear units are feet, the output area density units will be set to SQUARE_MILES.

If the output units is anything other than feet or meters, the output area density units will be set to SQUARE_MAP_UNITS. That is, the output density units will be the square of the linear units of the output spatial reference. For example, if the output linear units is centimeters, the output area density units will be SQUARE_MAP_UNITS, which would result in square centimeters. If the output linear units is kilometers, the output area density units will be SQUARE_MAP_UNITS, which would result in square kilometers.

The available options and their corresponding output density units are the following:

·      SQUARE_MAP_UNITS—For the square of the linear units of the output spatial reference.

·      SQUARE_MILES—For miles (U.S.).

·      SQUARE_KILOMETERS—For kilometers.

·      ACRES—For acres (U.S.).

·      HECTARES—For hectares.

·      SQUARE_YARDS—For yards (U.S.).

·      SQUARE_FEET—For feet (U.S.).

·      SQUARE_INCHES—For inches (U.S.).

·      SQUARE_METERS—For meters.

·      SQUARE_CENTIMETERS—For centimeters.

·      SQUARE_MILLIMETERS—For millimeters.

Output values are (optional)

Determines what the values in the output raster represent.

·      DENSITIES—The output values represent the predicted density value. This is the default.

·      EXPECTED_COUNTS—The output values represent the predicted amount of the phenomenon within each cell.Since the cell value is linked to the specified cell size, the resulting raster cannot be resampled to a different cell size and still represent the amount of the phenomenon.

Method (optional)

Determines whether to use a shortest path on a spheroid (geodesic) or a flat earth (planar) method. It is strongly suggested to use the geodesic method with data stored in a coordinate system that is not appropriate for distance measurements (for example, Web Mercator or any geographic coordinate system) and any analysis that spans a large geographic area.

·      PLANAR—Uses planar distances between the features. This is the default.

·      GEODESIC—Uses geodesic distances between features. This method takes into account the curvature of the spheroid and correctly deals with data near the poles and the International dateline.

4. Output cell size (optional) حجم خلية الإخراج (اختياري)

The cell size of the output raster that will be created.

This parameter can be defined by a numeric value or obtained from an existing raster dataset. If the cell size hasn't been explicitly specified as the parameter value, the environment cell size value will be used if specified; otherwise, additional rules will be used to calculate it from the other inputs. See the usage for more detail.

حجم خلية البيانات النقطية الناتجة التي سيتم إنشاؤها.

يمكن تحديد هذه المعلمة بقيمة عددية أو الحصول عليها من مجموعة بيانات نقطية موجودة. إذا لم يتم تحديد حجم الخلية بشكل صريح كقيمة المعلمة ، فسيتم استخدام قيمة حجم خلية البيئة إذا تم تحديدها ؛ خلاف ذلك ، سيتم استخدام قواعد إضافية لحسابها من المدخلات الأخرى. انظر الاستخدام لمزيد من التفاصيل.

Search radius (optional)

The search radius within which to calculate density. Units are based on the linear unit of the projection of the output spatial reference.

For example, if the units are in meters—to include all features within a one-mile neighborhood—set the search radius equal to 1609.344 (1 mile = 1609.344 meters).

The default search radius (bandwidth) is computed specifically to the input dataset using a spatial variant of Silverman's Rule of Thumb that is robust to spatial outliers (that is, points that are far away from the rest of the points). See the usage tips above for a description of the algorithm.

Area units (optional)

The desired area units of the output density values.

A default unit is selected based on the linear unit of the output spatial reference. You can change this to the appropriate unit if you wish to convert the density output. Values for line density convert the units of both length and area.

If no output spatial reference is specified, the output spatial reference will be the same as the input feature class. The default output density units is determined by the linear units of the output spatial reference as follows. If the output linear units are meters, the output area density units will be set to SQUARE_KILOMETERS, outputting square kilometers for point features or kilometers per square kilometers for polyline features. If the output linear units are feet, the output area density units will be set to SQUARE_MILES.

If the output units is anything other than feet or meters, the output area density units will be set to SQUARE_MAP_UNITS. That is, the output density units will be the square of the linear units of the output spatial reference. For example, if the output linear units is centimeters, the output area density units will be SQUARE_MAP_UNITS, which would result in square centimeters. If the output linear units is kilometers, the output area density units will be SQUARE_MAP_UNITS, which would result in square kilometers.

The available options and their corresponding output density units are the following:

·      SQUARE_MAP_UNITS—For the square of the linear units of the output spatial reference.

·      SQUARE_MILES—For miles (U.S.).

·      SQUARE_KILOMETERS—For kilometers.

·      ACRES—For acres (U.S.).

·      HECTARES—For hectares.

·      SQUARE_YARDS—For yards (U.S.).

·      SQUARE_FEET—For feet (U.S.).

·      SQUARE_INCHES—For inches (U.S.).

·      SQUARE_METERS—For meters.

·      SQUARE_CENTIMETERS—For centimeters.

·      SQUARE_MILLIMETERS—For millimeters.

Output values are (optional)

Determines what the values in the output raster represent.

·      DENSITIES—The output values represent the predicted density value. This is the default.

·      EXPECTED_COUNTS—The output values represent the predicted amount of the phenomenon within each cell.Since the cell value is linked to the specified cell size, the resulting raster cannot be resampled to a different cell size and still represent the amount of the phenomenon.

Method (optional)

Determines whether to use a shortest path on a spheroid (geodesic) or a flat earth (planar) method. It is strongly suggested to use the geodesic method with data stored in a coordinate system that is not appropriate for distance measurements (for example, Web Mercator or any geographic coordinate system) and any analysis that spans a large geographic area.

·      PLANAR—Uses planar distances between the features. This is the default.

·      GEODESIC—Uses geodesic distances between features. This method takes into account the curvature of the spheroid and correctly deals with data near the poles and the International dateline.

5. Search radius (optional) نصف قطر البحث (اختياري)

The search radius within which to calculate density. Units are based on the linear unit of the projection of the output spatial reference.

For example, if the units are in meters—to include all features within a one-mile neighborhood—set the search radius equal to 1609.344 (1 mile = 1609.344 meters).

The default search radius (bandwidth) is computed specifically to the input dataset using a spatial variant of Silverman's Rule of Thumb that is robust to spatial outliers (that is, points that are far away from the rest of the points). See the usage tips above for a description of the algorithm.

نصف قطر البحث المراد حساب الكثافة ضمنه. تعتمد الوحدات على الوحدة الخطية لإسقاط الإسناد المكاني الناتج.

على سبيل المثال ، إذا كانت الوحدات بالأمتار - لتضمين جميع المعالم داخل حي يبلغ طوله ميل واحد - فاضبط نصف قطر البحث على 1609.344 (ميل واحد = 1609.344 مترًا).

يتم حساب نصف قطر البحث الافتراضي (عرض النطاق الترددي) على وجه التحديد لمجموعة بيانات الإدخال باستخدام متغير مكاني لقاعدة Silverman's Rule of Thumb التي تكون قوية إلى القيم المتطرفة المكانية (أي النقاط البعيدة عن بقية النقاط). راجع نصائح الاستخدام أعلاه للحصول على وصف للخوارزمية.

Area units (optional)

The desired area units of the output density values.

A default unit is selected based on the linear unit of the output spatial reference. You can change this to the appropriate unit if you wish to convert the density output. Values for line density convert the units of both length and area.

If no output spatial reference is specified, the output spatial reference will be the same as the input feature class. The default output density units is determined by the linear units of the output spatial reference as follows. If the output linear units are meters, the output area density units will be set to SQUARE_KILOMETERS, outputting square kilometers for point features or kilometers per square kilometers for polyline features. If the output linear units are feet, the output area density units will be set to SQUARE_MILES.

If the output units is anything other than feet or meters, the output area density units will be set to SQUARE_MAP_UNITS. That is, the output density units will be the square of the linear units of the output spatial reference. For example, if the output linear units is centimeters, the output area density units will be SQUARE_MAP_UNITS, which would result in square centimeters. If the output linear units is kilometers, the output area density units will be SQUARE_MAP_UNITS, which would result in square kilometers.

The available options and their corresponding output density units are the following:

·      SQUARE_MAP_UNITS—For the square of the linear units of the output spatial reference.

·      SQUARE_MILES—For miles (U.S.).

·      SQUARE_KILOMETERS—For kilometers.

·      ACRES—For acres (U.S.).

·      HECTARES—For hectares.

·      SQUARE_YARDS—For yards (U.S.).

·      SQUARE_FEET—For feet (U.S.).

·      SQUARE_INCHES—For inches (U.S.).

·      SQUARE_METERS—For meters.

·      SQUARE_CENTIMETERS—For centimeters.

·      SQUARE_MILLIMETERS—For millimeters.

Output values are (optional)

Determines what the values in the output raster represent.

·      DENSITIES—The output values represent the predicted density value. This is the default.

·      EXPECTED_COUNTS—The output values represent the predicted amount of the phenomenon within each cell.Since the cell value is linked to the specified cell size, the resulting raster cannot be resampled to a different cell size and still represent the amount of the phenomenon.

Method (optional)

Determines whether to use a shortest path on a spheroid (geodesic) or a flat earth (planar) method. It is strongly suggested to use the geodesic method with data stored in a coordinate system that is not appropriate for distance measurements (for example, Web Mercator or any geographic coordinate system) and any analysis that spans a large geographic area.

·      PLANAR—Uses planar distances between the features. This is the default.

·      GEODESIC—Uses geodesic distances between features. This method takes into account the curvature of the spheroid and correctly deals with data near the poles and the International dateline.

6. Area units (optional) وحدات المنطقة (اختياري)

The desired area units of the output density values.

A default unit is selected based on the linear unit of the output spatial reference. You can change this to the appropriate unit if you wish to convert the density output. Values for line density convert the units of both length and area.

If no output spatial reference is specified, the output spatial reference will be the same as the input feature class. The default output density units is determined by the linear units of the output spatial reference as follows. If the output linear units are meters, the output area density units will be set to SQUARE_KILOMETERS, outputting square kilometers for point features or kilometers per square kilometers for polyline features. If the output linear units are feet, the output area density units will be set to SQUARE_MILES.

If the output units is anything other than feet or meters, the output area density units will be set to SQUARE_MAP_UNITS. That is, the output density units will be the square of the linear units of the output spatial reference. For example, if the output linear units is centimeters, the output area density units will be SQUARE_MAP_UNITS, which would result in square centimeters. If the output linear units is kilometers, the output area density units will be SQUARE_MAP_UNITS, which would result in square kilometers.

وحدات المساحة المرغوبة لقيم كثافة الإخراج.

يتم تحديد وحدة افتراضية بناءً على الوحدة الخطية للمرجع المكاني الناتج. يمكنك تغيير هذا إلى الوحدة المناسبة إذا كنت ترغب في تحويل ناتج الكثافة. قيم كثافة الخط تقوم بتحويل وحدات الطول والمساحة.

إذا لم يتم تحديد الإسناد المكاني للمخرجات ، فسيكون الإسناد المكاني الناتج هو نفسه فئة ميزة الإدخال. يتم تحديد وحدات كثافة الإخراج الافتراضية بواسطة الوحدات الخطية للمرجع المكاني الناتج على النحو التالي. إذا كانت الوحدات الخطية للإخراج بالأمتار ، فسيتم تعيين وحدات كثافة منطقة الإخراج على SQUARE_KILOMETERS ، مما ينتج عنه كيلومترات مربعة لمعالم النقطة أو كيلومتر لكل كيلومتر مربع لميزات الخطوط المتعددة. إذا كانت وحدات الإخراج الخطية بالأقدام ، فسيتم تعيين وحدات كثافة منطقة الإخراج على SQUARE_MILES.

إذا كانت وحدات الإخراج بخلاف الأقدام أو الأمتار ، فسيتم تعيين وحدات كثافة منطقة الإخراج على SQUARE_MAP_UNITS. أي أن وحدات كثافة الإخراج ستكون مربع الوحدات الخطية للمرجع المكاني الناتج. على سبيل المثال ، إذا كانت الوحدات الخطية للإخراج بالسنتيمتر ، فستكون وحدات كثافة منطقة الإخراج SQUARE_MAP_UNITS ، مما ينتج عنه سنتيمترات مربعة. إذا كانت الوحدات الخطية الناتجة كيلومترات ، فستكون وحدات كثافة منطقة الإخراج SQUARE_MAP_UNITS ، مما ينتج عنه كيلومترات مربعة.

الخيارات المتاحة ووحدات كثافة الإخراج المقابلة لها هي كما يلي:

• SQUARE_MAP_UNITS - لمربع الوحدات الخطية للمرجع المكاني الناتج.

• SQUARE_MILES - للأميال (الولايات المتحدة).

• SQUARE_KILOMETERS - للكيلومترات.

• ACRES - للأكرات (الولايات المتحدة).

• هكتارات - للهكتارات.

• SQUARE_YARDS - للأقدام (الولايات المتحدة).

• SQUARE_FEET - للأقدام (الولايات المتحدة).

• SQUARE_INCHES - للبوصات (الولايات المتحدة).

• SQUARE_METERS - للأمتار.

• SQUARE_CENTIMETERS - للسنتيمتر.

• SQUARE_MILLIMETERS - للمليمترات

7. Output values are (optional) قيم الإخراج (اختياري)

Determines what the values in the output raster represent.

· DENSITIES—The output values represent the predicted density value. This is the default.

· EXPECTED_COUNTS—The output values represent the predicted amount of the phenomenon within each cell.Since the cell value is linked to the specified cell size, the resulting raster cannot be resampled to a different cell size and still represent the amount of the phenomenon.

يحدد ما تمثله القيم الموجودة في البيانات النقطية للمخرجات.

• DENSITIES - تمثل قيم المخرجات قيمة الكثافة المتوقعة. هذا هو الافتراضي.

• EXPECTED_COUNTS - تمثل قيم الإخراج المقدار المتوقع للظاهرة داخل كل خلية. نظرًا لأن قيمة الخلية مرتبطة بحجم الخلية المحدد ، لا يمكن إعادة تشكيل البيانات النقطية الناتجة إلى حجم خلية مختلف ولا تزال تمثل مقدار الظاهرة.

Method (optional)

Determines whether to use a shortest path on a spheroid (geodesic) or a flat earth (planar) method. It is strongly suggested to use the geodesic method with data stored in a coordinate system that is not appropriate for distance measurements (for example, Web Mercator or any geographic coordinate system) and any analysis that spans a large geographic area.

·      PLANAR—Uses planar distances between the features. This is the default.

·      GEODESIC—Uses geodesic distances between features. This method takes into account the curvature of the spheroid and correctly deals with data near the poles and the International dateline.

8. Method (optional) الطريقة (اختياري)

Determines whether to use a shortest path on a spheroid (geodesic) or a flat earth (planar) method. It is strongly suggested to use the geodesic method with data stored in a coordinate system that is not appropriate for distance measurements (for example, Web Mercator or any geographic coordinate system) and any analysis that spans a large geographic area.

· PLANAR—Uses planar distances between the features. This is the default.

· GEODESIC—Uses geodesic distances between features. This method takes into account the curvature of the spheroid and correctly deals with data near the poles and the International dateline.

يحدد ما إذا كان سيتم استخدام أقصر مسار على طريقة كروية (جيوديسية) أو أرضية مسطحة (مستوية). يُقترح بشدة استخدام الطريقة الجيوديسية مع البيانات المخزنة في نظام إحداثيات غير مناسب لقياسات المسافة (على سبيل المثال ، Web Mercator أو أي نظام إحداثيات جغرافي) وأي تحليل يمتد عبر منطقة جغرافية كبيرة.

• PLANAR - يستخدم مسافات مستوية بين الميزات. هذا هو الافتراضي.

• الجيوديسي - يستخدم المسافات الجيوديسية بين المعالم. تأخذ هذه الطريقة في الاعتبار انحناء الشكل الكروي وتتعامل بشكل صحيح مع البيانات بالقرب من القطبين وخط التاريخ الدولي.

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