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

Example 31 with GeometryFactory

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

the class BufferDistanceValidator method getPolygonLines.

private Geometry getPolygonLines(final Geometry geometry) {
    final List<LineString> lines = new ArrayList<>();
    for (final Polygon polygon : geometry.getGeometries(Polygon.class)) {
        lines.addAll(polygon.getRings());
    }
    final GeometryFactory geometryFactory = geometry.getGeometryFactory();
    return geometryFactory.geometry(lines);
}

Example 32 with GeometryFactory

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

the class SnapTransformer method computeOverlaySnapTolerance.

/**
 * Estimates the snap tolerance for a Geometry, taking into account its precision model.
 *
 * @param g a Geometry
 * @return the estimated snap tolerance
 */
public static double computeOverlaySnapTolerance(final Geometry g) {
    double snapTolerance = computeSizeBasedSnapTolerance(g);
    /**
     * Overlay is carried out in the precision model
     * of the two inputs.
     * If this precision model is of type FIXED, then the snap tolerance
     * must reflect the precision grid size.
     * Specifically, the snap tolerance should be at least
     * the distance from a corner of a precision grid cell
     * to the centre point of the cell.
     */
    final GeometryFactory geometryFactory = g.getGeometryFactory();
    if (!geometryFactory.isFloating()) {
        final double fixedSnapTol = 1 / geometryFactory.getScaleXY() * 2 / 1.415;
        if (fixedSnapTol > snapTolerance) {
            snapTolerance = fixedSnapTol;
        }
    }
    return snapTolerance;
}

Example 33 with GeometryFactory

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

the class OffsetSegmentString method addPoint.

public void addPoint(double x, double y) {
    final GeometryFactory geometryFactory = getGeometryFactory();
    x = geometryFactory.makeXyPrecise(x);
    y = geometryFactory.makeXyPrecise(y);
    if (!isRedundant(x, y)) {
        appendVertex(x, y);
    }
}

Example 34 with GeometryFactory

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

the class BufferResultValidator method checkEnvelope.

private void checkEnvelope() {
    if (this.distance < 0.0) {
        return;
    }
    double padding = this.distance * MAX_ENV_DIFF_FRAC;
    if (padding == 0.0) {
        padding = 0.001;
    }
    final BoundingBox expectedEnv = this.input.getBoundingBox().expand(this.distance);
    final BoundingBox bufEnv = this.result.getBoundingBox().expand(padding);
    if (!bufEnv.covers(expectedEnv)) {
        this.isValid = false;
        this.errorMsg = "Buffer envelope is incorrect";
        final GeometryFactory r = this.input.getGeometryFactory();
        this.errorIndicator = bufEnv.toGeometry();
    }
    report("Envelope");
}

Example 35 with GeometryFactory

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

the class GeometryGraphOperation method getScale.

private static double getScale(final Geometry g0, final Geometry g1) {
    double scale;
    final GeometryFactory geometryFactory1 = g0.getGeometryFactory();
    final double scale0 = geometryFactory1.getScaleXY();
    final GeometryFactory geometryFactory2 = g1.getGeometryFactory();
    final double scale1 = geometryFactory2.getScaleXY();
    final int sigDigits = geometryFactory1.getMaximumSignificantDigits();
    final int otherSigDigits = geometryFactory2.getMaximumSignificantDigits();
    // use the most precise model for the result
    if (Integer.compare(sigDigits, otherSigDigits) >= 0) {
        scale = scale0;
    } else {
        scale = scale1;
    }
    return scale;
}