Examples with Polygon com.revolsys.geometry.model.Polygon used on opensource projects

Example 76 with Polygon

use of com.revolsys.geometry.model.Polygon in project com.revolsys.open by revolsys.

the class PdfViewport method drawGeometry.

@Override
public void drawGeometry(final Geometry geometry, final GeometryStyle style) {
    try {
        this.contentStream.saveGraphicsState();
        setGeometryStyle(style);
        this.contentStream.setNonStrokingColor(style.getPolygonFill());
        this.contentStream.setStrokingColor(style.getLineColor());
        for (Geometry part : geometry.geometries()) {
            part = part.convertGeometry(getGeometryFactory());
            if (part instanceof LineString) {
                final LineString line = (LineString) part;
                drawLine(line);
                this.contentStream.stroke();
            } else if (part instanceof Polygon) {
                final Polygon polygon = (Polygon) part;
                int i = 0;
                for (final LinearRing ring : polygon.rings()) {
                    if (i == 0) {
                        if (ring.isClockwise()) {
                            drawLineReverse(ring);
                        } else {
                            drawLine(ring);
                        }
                    } else {
                        if (ring.isCounterClockwise()) {
                            drawLineReverse(ring);
                        } else {
                            drawLine(ring);
                        }
                    }
                    this.contentStream.closeSubPath();
                    i++;
                }
                this.contentStream.fill(PathIterator.WIND_NON_ZERO);
                for (final LinearRing ring : polygon.rings()) {
                    drawLine(ring);
                    this.contentStream.stroke();
                }
            }
        }
    } catch (final IOException e) {
    } finally {
        try {
            this.contentStream.restoreGraphicsState();
        } catch (final IOException e) {
        }
    }
}

Example 77 with Polygon

use of com.revolsys.geometry.model.Polygon in project com.revolsys.open by revolsys.

the class PointLocator method locate.

public Location locate(final Geometry geometry, final double x, final double y) {
    if (geometry.isEmpty()) {
        return Location.EXTERIOR;
    } else if (geometry instanceof LineString) {
        return geometry.locate(x, y);
    } else if (geometry instanceof Polygon) {
        return geometry.locate(x, y);
    }
    this.isIn = false;
    final int boundaryCount = computeLocation(geometry, x, y);
    if (boundaryCount % 2 == 1) {
        return Location.BOUNDARY;
    } else if (boundaryCount > 0 || this.isIn) {
        return Location.INTERIOR;
    } else {
        return Location.EXTERIOR;
    }
}

Example 78 with Polygon

use of com.revolsys.geometry.model.Polygon in project com.revolsys.open by revolsys.

the class LineSegment method getCrossing.

default Point getCrossing(final Point point1, final Point point2, final BoundingBox boundingBox) {
    final GeometryFactory geometryFactory = getGeometryFactory();
    Point intersection = null;
    final Polygon polygon = boundingBox.toPolygon(1);
    final LineString ring = polygon.getShell();
    for (int i = 0; i < 4; i++) {
        final Point ringC1 = ring.getPoint(i);
        final Point ringC2 = ring.getPoint(i);
        final LineString currentIntersections = LineSegmentUtil.getIntersection(geometryFactory, point1, point2, ringC1, ringC2);
        if (currentIntersections.getVertexCount() == 1) {
            final Point currentIntersection = currentIntersections.getPoint(0);
            if (intersection == null) {
                intersection = currentIntersection;
            } else if (point1.distancePoint(currentIntersection) < point1.distancePoint(intersection)) {
                intersection = currentIntersection;
            }
        }
    }
    return intersection;
}

Example 79 with Polygon

use of com.revolsys.geometry.model.Polygon in project com.revolsys.open by revolsys.

the class AbstractPreparedPolygonContains method isSingleShell.

/**
 * Tests whether a geometry consists of a single originalGeometry with no holes.
 *
 * @return true if the geometry is a single originalGeometry with no holes
 */
private boolean isSingleShell(final Polygonal polygonal) {
    // handles single-element MultiPolygons, as well as Polygons
    if (polygonal.getPolygonCount() != 1) {
        return false;
    }
    final Polygon poly = polygonal.getPolygon(0);
    final int numHoles = poly.getHoleCount();
    if (numHoles == 0) {
        return true;
    }
    return false;
}

Example 80 with Polygon

use of com.revolsys.geometry.model.Polygon in project com.revolsys.open by revolsys.

the class MultiPolygonSegment method hasNext.

@Override
public boolean hasNext() {
    final Polygonal polygonal = this.polygonal;
    if (polygonal.isEmpty()) {
        return false;
    } else {
        int partIndex = this.partIndex;
        int ringIndex = this.ringIndex;
        int segmentIndex = this.segmentIndex + 1;
        while (partIndex < polygonal.getGeometryCount()) {
            final Polygon polygon = getPolygon();
            while (ringIndex < polygon.getRingCount()) {
                final LinearRing ring = polygon.getRing(ringIndex);
                if (segmentIndex < ring.getSegmentCount()) {
                    return true;
                } else {
                    ringIndex++;
                    segmentIndex = 0;
                }
            }
            partIndex++;
            ringIndex = 0;
            segmentIndex = 0;
        }
        return false;
    }
}