All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.geolatte.geom.codec.db.sqlserver.LineStringSqlServerEncoder Maven / Gradle / Ivy

Go to download

This geoLatte-geom library offers a geometry model that conforms to the OGC Simple Features for SQL specification.

The newest version!
/*
 * This file is part of the GeoLatte project.
 *
 *     GeoLatte is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     GeoLatte 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 GeoLatte.  If not, see .
 *
 * Copyright (C) 2010 - 2013 and Ownership of code is shared by:
 * Qmino bvba - Romeinsestraat 18 - 3001 Heverlee  (http://www.qmino.com)
 * Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
 */

package org.geolatte.geom.codec.db.sqlserver;

import org.geolatte.geom.Geometry;
import org.geolatte.geom.LineString;
import org.geolatte.geom.Position;
import org.geolatte.geom.PositionSequence;

import java.util.List;


class LineStringSqlServerEncoder extends AbstractSqlServerEncoder {

    @Override
    protected void encode(Geometry geom, int parentShapeIndex, CountingPositionSequenceBuilder coordinates, List
figures, List shapes) { if (!(geom instanceof LineString)) { throw new IllegalArgumentException("Require LineString geometry"); } if (geom.isEmpty()) { shapes.add(new Shape(parentShapeIndex, -1, OpenGisType.LINESTRING)); return; } int figureOffset = figures.size(); int pointOffset = coordinates.getNumAdded(); double[] c = new double[coordinates.getCoordinateDimension()]; for (Position pos : geom.getPositions()) { coordinates.add(pos.toArray(c)); } figures.add(new Figure(FigureAttribute.Stroke, pointOffset)); shapes.add(new Shape(parentShapeIndex, figureOffset, OpenGisType.LINESTRING)); } @Override protected void encodePoints(SqlServerGeometry nativeGeom, PositionSequence coordinates) { super.encodePoints(nativeGeom, coordinates); if (coordinates.size() == 2) { nativeGeom.setIsSingleLineSegment(); } } public boolean accepts(Geometry geom) { return geom instanceof LineString; } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy