ST_SnapToGrid (h2gis-functions 2.2.4 API)

java.lang.Object
- org.h2gis.api.AbstractFunction
- - org.h2gis.api.DeterministicScalarFunction
  - - org.h2gis.functions.spatial.generalize.ST_SnapToGrid

All Implemented Interfaces:

org.h2gis.api.Function, org.h2gis.api.ScalarFunction
```
public class ST_SnapToGrid
extends org.h2gis.api.DeterministicScalarFunction
```
Function to snap a geometry according a grid size

Author:

Erwan Bocher, CNRS, 2024

Field Summary
- Fields inherited from interface org.h2gis.api.Function
  PROP_NAME, PROP_REMARKS
- Fields inherited from interface org.h2gis.api.ScalarFunction
  PROP_DETERMINISTIC

Constructor Summary

Constructors
Constructor Description

ST_SnapToGrid()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static org.locationtech.jts.geom.Geometry`	`execute(org.locationtech.jts.geom.Geometry geometry, float cell_size)`	Reduce the geometry precision.
`String`	`getJavaStaticMethod()`
`static double`	`scaleFactorForDecimalPlaces(int decimalPlaces)`	Computes the scale factor for a given number of decimal places.

Methods inherited from class org.h2gis.api.AbstractFunction
addProperty, getProperty, removeProperty

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.h2gis.api.Function
getProperty

- Constructor Detail
  - ST_SnapToGrid
```
public ST_SnapToGrid()
```
- Method Detail
  - getJavaStaticMethod
```
public String getJavaStaticMethod()
```
  - execute
```
public static org.locationtech.jts.geom.Geometry execute(org.locationtech.jts.geom.Geometry geometry,
                                                         float cell_size)
                                                  throws SQLException
```
    Reduce the geometry precision. cell_size is resolution of grid to snap the points
    
    Parameters:
    
    geometry - Geometry
    
    cell_size - snapping grid tolerance
    
    Returns:
    
    Geometry
    
    Throws:
    
    SQLException
  - scaleFactorForDecimalPlaces
```
public static double scaleFactorForDecimalPlaces(int decimalPlaces)
```
    Computes the scale factor for a given number of decimal places.
    
    Parameters:
    
    decimalPlaces - number of decimals
    
    Returns:
    
    the scale factor