Operation name

Description

Keywords

Absolute value for raster coverage

Generates a new numerical raster coverage or feature coverage based on the input data. The operation applied to all the pixels and each pixel value replaced with their corresponding absolute values.

Raster, Numeric, Math

Absolute value for columns

Generates a new numerical column based on the operation, applied to all the input column values.

Table, Column, Math, Numeric

Adaptive bilateral filter

Sharpens an image by increasing the slope of the edges without producing overshoot or undershoot.

Image processing, Raster, Sharpen, Filter

Arccosine for raster coverage

Generates a new numerical raster coverage or feature coverage based on the operation, applied to all the pixels.

Visualization

Arccosine for columns

Generates a new numerical column based on the operation, applied to all the input column values.

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Aggregate raster statistics

Transpose the raster according to the method indicated by the second parameter.

Aggregate, Raster, Geometry , Statistics

Aggregate columns

Aggregate the values of a column based on second input column.

Table, column, aggregate Operation

Area numbering

Area numbering assigns unique pixel values in an output map for connected areas (areas consisting of pixels with the same value, class name, or ID)

Area numbering, Raster, Identifier, Classification

Arcsine for rasters

Generates a new numerical raster or feature coverage based on the operation, applied to all the pixels; values

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Arcsine for columns

Generates a new numerical column based on the operation, applied to all the input column values.

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ArcTangent for rasters

Generates a new numerical raster coverage/feature coverage based on the operation, applied to all the pixels.

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ArcTangent for columns

Generates a new numerical column based on the operation, applied to all the input column values

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Bilateral filter

Calculates the first, second, third, or mixed image derivatives using an extended Sobel operator, used in edge detection.

Image processing, Raster, Noise reduction, Filter

Binary logical raster

Generates a new boolean map based on the logical condition used

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Binary math features

Generates a new feature coverage that puts all the features of both coverages into one coverage.

Features, Merge

Binary math raster

Generates a new numerical raster coverage based on the selected operator; applied to all the pixels.

Raster, Operation

Binary math table

Generates a new numerical table based on the operation, applied to all the cells of a column.

Table, Operation

Box classification

Performs a multispectral image classification according to training pixels in a sample set.

Classification, Box, Raster

Box filter

Blurs an image using the box filter.

Image processing, Raster, Noise reduction, Filter,

Buffer

Returns a buffer around the given geometry, with a radius up to the given distance.

Features, Operation, Buffer

Ceiling value for rasters

Generates a new numerical raster coverage based on the operation, applied to all the pixels. The operation round pixel values of a raster coverage toward negative infinity, meaning each pixel value is rounded to the nearest integer greater than or equal to that value.

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Ceiling value for columns

Generates a new numerical column based on the operation, applied to all the input column values. The operation round the column values toward positive infinity, meaning each value is rounded to the nearest integer greater than or equal to that value.

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Column unary operation

Generates a new numerical table based on the operation, applied to all the cells of a column.

Table, operation Unary, Column

Cluster raster

Unsupervised classification in which image data is grouped into spectral clusters (a maximum of 4 input bands allowed).

Raster, Classification

Compare histograms

Blurs an image using the box filter

Image processing, Raster, Noise reduction, Filter

Contains feature geometry

Returns a featureindex of all features that satisfy the contains constraint.

Geometry, Coordinate, Coverage, Spatial relation

Correlation rasters

Calculate the correlation between the pixel value of a stack of rasters (bands); the raster must have equal dimensions.

Raster, statistics

Cosine for rasters

Generates a new numerical raster coverage/feature coverage based on the operation, applied to all the pixels.

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Cosine for columns

Generates a new numerical column based on the operation, applied to all the input column values.

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Covariance rasters

Calculate the covariance between the pixel value of a stack of rasters (bands); the raster must have equal dimensions

Raster, Statistics

Covered by feature geometry

Returns a featureindex of all features that satisfy the CoveredBy constraint.

Geometry, Coordinate, Coverage, Spatial relation

Covers feature geometry

Returns a featureindex of all features that satisfy the covers constraint.

Geometry, Coordinate, Coverage, Spatial relation

Convert column to other domain

Translates the values of a string column in a table to a regular domain.

Table, Domain, Transformation

Coordinate to pixel

Translates a coordinate to a pixel location based on the supplied georeferenced.

Pixel, Coordinate, Geometry, Transformation

Cosine for rasters

Generates a new numerical raster coverage/feature coverage based on the operation, applied to all the pixels.

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Cosine for columns

Generates a new numerical column based on the operation, applied to all the input column values.

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Create thematic domain

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Domain, Create, Thematic, Item domain

Cross

Generates a new boolean map based on the logical condition used.

Cross, Raster, Table

Crosses

Returns a featureindex of all features that satisfy the Crosses constraint.

Geometry, Coordinate, Coverage, Spatial relation

Densify raster

Allows you to reduce the pixel size of a map.

Densify, Raster, map

Dilate filter

Blurs an image using the box filter.

Image processing, Raster, Morphology, Filter

Disjoint

Returns a featureindex of all features that satisfy the disjoint constraint.

Geometry, Coordinate, Coverage, Spatial relation

Distance raster

Calculate raster map distances.

Distance, Raster, Map

Equals

Returns a featureindex of all features that satisfy the equals constraint.

Geometry, Coordinate, Coverage, Spatial relation

Erode filter

Erodes an image by using a specific structuring element

Image processing, Raster, Morphology, Filter

Floor value for rasters

Generates a new numerical raster coverage based on the operation, applied to all the pixels. The operation round pixels value of a raster coverage toward negative infinity, meaning each pixel value is rounded to the nearest integer less than or equal to that value.

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Floor value for columns

Generates a new numerical column based on the operation, applied to all the input column values. The operation round the column values toward negative infinity, meaning each value is rounded to the nearest integer less than or equal to that value.

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Gaussian blur filter

Blurring an image by a Gaussian function to reduce image noise and reduce detail.

Image processing, Raster, Noise reduction, Filter

Gridding

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Group by

Aggregates a table based on a certain column and aggregates each column values.

Table, Aggregation, Column

Histogram equalization

Equalizes the histogram of a grayscale image, normalizes the brightness and increases the contrast of the image.

Image processing, Raster, Contrast

Http server

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Server, http

Hyperbolic cosine for column

generates a new numerical column based on the operation, applied to all the input column values.

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Hyperbolic cosine for raster

generates a new numerical raster coverage based on the operation, applied to all the pixels

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Hyperbolic sine for column

generates a new numerical column based on the operation, applied to all the input column values.

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Hyperbolic sine for raster

generates a new numerical raster coverage based on the operation, applied to all the pixels

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If feature

Constructs a new coverage based on a boolean selection described by the boolean map. The true pixels are taken from the first input map, the false pixels from the second map.

Feature, Condition

If raster

Constructs a new coverage based on a boolean selection described by the boolean map. The true pixels are taken from the first input map, the false pixels from the second map.

Raster, Condition

ILWIS remote catalog

Creates a url to access the catalog of a remote ilwis server

Service, ILWIS remote

Intersects

Returns a featureindex of all features that satisfy the intersects constraint.

Geometry, Coordinate, Coverage, Spatial relation

Join attributes

Join a base table or coverage with attributes from another table that share a common domain.

Table, Coverage

Junction function

Returns set value. This operation is only useful in the modeler, especially when using conditions. Value is not set if it is empty.

junction

Laplace gradient filter

Highlights regions of rapid intensity change, used in edge detection.

Image processing, Raster, Edge detection, Filter

Linear raster filter

Generates a new raster based on the conditions as specified in the linear filter definition

Filter, Raster, Numeric

Log10 for rasters

Generates a new numerical raster coverage/feature coverage based on the operation, applied to all the pixels.

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Log10 for columns

Generates a new numerical column based on the operation, applied to all the input pixel values.

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MapCalc

Generates a new numerical raster coverage based on the operation, applied to all the input pixel values.

Math, Raster

Master georeference

Sets the georeference for all operations that trigger an on the fly resampling of a grid coverage.

Georeference

Median blur filter

Smooths an image using the median filter with the ksize x ksize aperture.

Image processing, Raster, Noise reduction, Filter

Mirror rotate raster

Transpose the raster according to the method indicated by the second parameter.

Raster, Geometry

Moving average

The Moving average operation is a point interpolation which requires a point map as input and returns a raster map as output.

Raster, Point map

Natural logarithm for rasters

Generates a new numerical raster coverage/feature coverage based on the operation, applied to all the pixels.

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Natural Logarithm for columns

Generates a new numerical column based on the operation, applied to all the input column values.

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Overlaps

Returns a featureindex of all features that satisfy the Overlaps constraint

Geometry, Coordinate, Coverage, Spatial relation

Point raster crossing

Adds columns to the attribute table with for each column the values of intersection of the raster coverage bands with the point map.

Raster, Point, Intersection, Cross

Pixel to coordinate

Translates a pixel to a coordinate location based on the supplied georeference input file.

pixel, Coordinate, Geometry, Transformation

Polygon to raster map

Translates the points of a feature coverage to pixels in a raster map.

Raster, Polygon, Vector

Point to raster map

Translates a the points of a feature coverage to pixels in a raster map.

Raster, point map, Vector

PostgreSQL catalog

Creates a url to access the catalog of a postgresql database

Service, Postgresql, Postgis, Database

Rank order filter

Generates a new raster based on the conditions as specified in the rank order definition.

Filter, Raster, Numeric

Raster grid size

Returns the pixel extent of a grid coverage dimension.

Raster, Size

Raster quantile

Calculates a raster with the quantile value of the sorted z columns of a raster coverage.

Raster, Statistics

Raster selection

The operation select parts of the spatial extent or attributes to create a 'smaller' raster coverage

Raster, Selection

Raster to point

Translates the pixels of a raster coverage to points in a feature coverage.

Point, Raster

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Calculates

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Raster value

Returns the value at pixel location x, y (optional z)

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Relative aggregate raster Statistics

Transpose the raster according to the method indicated by the second parameter.

Raster, Statistics

Resample raster

Translates a raster coverage from one geometry (coordinate system + georeference) to onther.

Raster, Geometry, Transformation

Rescale input values to an output map

Redistributes values of an input map over a wider or narrower range of values in an output map. Stretching can for instance be used to enhance the contrast in your map when it is displayed.

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Save as

Saves the object in a certain format

Export, Format

Scharr filter

Calculates the first, second, third, or mixed image derivatives using an extended scharr operator, it is more accurate than the Sobel operator

Image processing, Raster, Edge detection, Filter

Select features

The operation select parts of the spatial extent or attributes to create a 'smaller' feature coverage

Feature, Selection

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The operation

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Selection

The operation select one or more column and puts them in smaller table

Table, Selection

Set value range

Sets the value range of a coverage or column to a new value; all value outside the range will become undefined

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Set working catalog

The working catalog is the only location were data maybe used without full url as path. It is a convenience system for creating more readable expressions

Data

Sign for column

Generates a new numerical column based on the operation, applied to all the input column values

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Sine for raster

Generates a new numerical raster/feature coverage based on the operation, applied to all the pixels

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Slice raster

Ranges of values of the input map are grouped together into one output class

Raster, Classification

Sobel filter

Calculates the first, second, third, or mixed image derivatives using an extended Sobel operator, used in edge detection

Image processing, Raster, Edge detection, Filter

Spatial aggregation of raster coverage

Generates a raster coverage according to a aggregation method. The aggregation method determines how pixel values are used in the aggregation.

Aggregate, Raster, Geometry

Square root value for raster/Columns

Generates a new numrical rastercoverage/featurecoverage based on the operation, applied to all the pixels; generates a new numerical column based on the operation, applied to all the input column values

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String find

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String replace

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String sub

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TabCalc for Column

Generates a new numerical column based on the operation, applied to all the input column values

Math, Table, Column

Tangent for raster/Column

Generates a new numerical raster/feature coverage based on the operation, applied to all the pixels; generates a new numerical column based on the operation, applied to all the input column values

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Test operation

Dummy/test operation to test certain internal workings of the handling of operations

Test

Text to output

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Text, Output

Timesat filtering

Iteratively filters a rastercoverage with a SavitzkyGolay moving filter

Raster, Filter, Savitzkygolay

Touches

Returns a featureindex of all features that satisfy the Touches constraint

Geometry, Coordinate, Coverage, Spatial relation

Transform coordinates

Transforms the coordinates of all vertices of the features from one coordinate system to another

Features, Vector, Coordinate system

Web Feature Service Catalog

Creates an url to access the catalog of a server

Service, wfs

Within

Returns a featureindex of all features that satisfy the within constraint

Geometry, Coordinate, Coverage, Spatial relation
