Examples with GeneralEnvelope org.apache.sis.geometry.GeneralEnvelope used on opensource projects

Example 11 with GeneralEnvelope

use of org.apache.sis.geometry.GeneralEnvelope in project sis by apache.

the class Geometries method toString.

/**
 * If the given object is one of the recognized types, returns a short string representation
 * (typically the class name and the bounds). Otherwise returns {@code null}.
 *
 * @param  geometry  the geometry from which to get a string representation, or {@code null}.
 * @return a short string representation of the given geometry, or {@code null} if the given
 *         object is not a recognized geometry.
 */
public static String toString(final Object geometry) {
    for (Geometries<?> g = implementation; g != null; g = g.fallback) {
        String s = g.tryGetLabel(geometry);
        if (s != null) {
            GeneralEnvelope env = g.tryGetEnvelope(geometry);
            if (env != null) {
                final String bbox = env.toString();
                s += bbox.substring(bbox.indexOf('('));
            }
            return s;
        }
    }
    return null;
}

Example 12 with GeneralEnvelope

use of org.apache.sis.geometry.GeneralEnvelope in project sis by apache.

the class JTS method tryGetEnvelope.

/**
 * If the given object is a JTS geometry and its envelope is non-empty, returns
 * that envelope as an Apache SIS implementation. Otherwise returns {@code null}.
 *
 * @param  geometry  the geometry from which to get the envelope, or {@code null}.
 * @return the envelope of the given object, or {@code null} if the object is not
 *         a recognized geometry or its envelope is empty.
 */
@Override
final GeneralEnvelope tryGetEnvelope(final Object geometry) {
    final double xmin, ymin, xmax, ymax;
    if (rootClass.isInstance(geometry)) {
        try {
            final Object env = getEnvelopeInternal.invoke(geometry, (Object[]) null);
            xmin = (Double) getMinX.invoke(env, (Object[]) null);
            ymin = (Double) getMinY.invoke(env, (Object[]) null);
            xmax = (Double) getMaxX.invoke(env, (Object[]) null);
            ymax = (Double) getMaxY.invoke(env, (Object[]) null);
        } catch (ReflectiveOperationException e) {
            if (e instanceof InvocationTargetException) {
                final Throwable cause = e.getCause();
                if (cause instanceof RuntimeException) {
                    throw (RuntimeException) cause;
                }
                if (cause instanceof Error) {
                    throw (Error) cause;
                }
            }
            // Should never happen unless JTS's API changed.
            throw (Error) new IncompatibleClassChangeError(e.toString()).initCause(e);
        }
        final GeneralEnvelope env = new GeneralEnvelope(2);
        env.setRange(0, xmin, xmax);
        env.setRange(1, ymin, ymax);
        return env;
    }
    return null;
}

Example 13 with GeneralEnvelope

use of org.apache.sis.geometry.GeneralEnvelope in project sis by apache.

the class Transformer method transformEnvelope.

/**
 * Transforms the given envelope.
 */
final double[][] transformEnvelope(final double[][] points) throws TransformException {
    final double[] min = new double[operation.getMathTransform().getSourceDimensions()];
    final double[] max = new double[min.length];
    Arrays.fill(min, Double.POSITIVE_INFINITY);
    Arrays.fill(max, Double.NEGATIVE_INFINITY);
    for (final double[] p : points) {
        if (p != null) {
            // Paranoiac check.
            for (int i = Math.min(min.length, p.length); --i >= 0; ) {
                final double v = p[i];
                if (v < min[i])
                    min[i] = v;
                if (v > max[i])
                    max[i] = v;
            }
        }
    }
    final GeneralEnvelope result = Envelopes.transform(operation, new GeneralEnvelope(min, max));
    return new double[][] { result.getLowerCorner().getCoordinate(), result.getUpperCorner().getCoordinate() };
}

Example 14 with GeneralEnvelope

use of org.apache.sis.geometry.GeneralEnvelope in project sis by apache.

the class LinearTransformBuilder method envelope.

/**
 * Implementation of {@link #getSourceEnvelope()} and {@link #getTargetEnvelope()}.
 */
private static Envelope envelope(final double[][] points) {
    if (points == null) {
        throw new IllegalStateException(noData());
    }
    final int dim = points.length;
    final GeneralEnvelope envelope = new GeneralEnvelope(dim);
    for (int i = 0; i < dim; i++) {
        final double[] data = points[i];
        double lower = Double.POSITIVE_INFINITY;
        double upper = Double.NEGATIVE_INFINITY;
        for (final double value : data) {
            if (value < lower)
                lower = value;
            if (value > upper)
                upper = value;
        }
        if (lower > upper) {
            lower = upper = Double.NaN;
        }
        envelope.setRange(i, lower, upper);
    }
    return envelope;
}