Examples with Coordinate org.openforis.idm.model.Coordinate used on opensource projects

Example 41 with Coordinate

use of org.openforis.idm.model.Coordinate in project collect by openforis.

the class IDMFunctions method samplingPointCoordinateLookup.

private static Coordinate samplingPointCoordinateLookup(ExpressionContext context, String... keys) {
    if (validateSamplingPointKeys(keys)) {
        LookupProvider lookupProvider = getLookupProvider(context);
        Survey survey = getSurvey(context);
        Coordinate coordinate = lookupProvider.lookupSamplingPointCoordinate(survey, keys);
        return coordinate;
    } else {
        return null;
    }
}

Example 42 with Coordinate

use of org.openforis.idm.model.Coordinate in project collect by openforis.

the class IDMFunctions method lookup.

private static Object lookup(ExpressionContext context, String name, String attribute, String... keys) {
    LookupProvider lookupProvider = getLookupProvider(context);
    Survey survey = getSurvey(context);
    Object result = lookupProvider.lookup(survey, name, attribute, (Object[]) keys);
    if (result == null) {
        return null;
    } else if (LOCATION_ATTRIBUTE.equalsIgnoreCase(attribute)) {
        // convert to Coordinate
        Coordinate coordinate = Coordinate.parseCoordinate(result.toString());
        return coordinate;
    } else {
        return result;
    }
}

Example 43 with Coordinate

use of org.openforis.idm.model.Coordinate in project collect by openforis.

the class IDMDistanceFunctionTest method testSameLocation.

@Test
public void testSameLocation() throws InvalidExpressionException {
    String expr = ExpressionFactory.IDM_PREFIX + ":distance(vehicle_location, vehicle_location)";
    EntityBuilder.addValue(cluster, "vehicle_location", new Coordinate(592340d, 9293450d, "EPSG:21036"));
    Object distance = evaluateExpression(expr);
    Assert.assertEquals(Double.valueOf(0.0d), distance);
}

Example 44 with Coordinate

use of org.openforis.idm.model.Coordinate in project collect by openforis.

the class SamplingPointDataGenerator method generateSquareBoundary.

private List<Coordinate> generateSquareBoundary(Coordinate latLonCenter, double width) {
    Coordinate webMercatorCenter = reprojectFromLatLonToWebMercator(latLonCenter);
    List<Coordinate> latLonBoundary = new ArrayList<Coordinate>(4);
    double halfWidth = width / 2;
    latLonBoundary.add(new Coordinate(webMercatorCenter.getX() - halfWidth, webMercatorCenter.getY() + halfWidth, WEB_MERCATOR_SRS_ID));
    latLonBoundary.add(new Coordinate(webMercatorCenter.getX() + halfWidth, webMercatorCenter.getY() + halfWidth, WEB_MERCATOR_SRS_ID));
    latLonBoundary.add(new Coordinate(webMercatorCenter.getX() - halfWidth, webMercatorCenter.getY() - halfWidth, WEB_MERCATOR_SRS_ID));
    latLonBoundary.add(new Coordinate(webMercatorCenter.getX() + halfWidth, webMercatorCenter.getY() - halfWidth, WEB_MERCATOR_SRS_ID));
    return reprojectToWebMercator(latLonBoundary);
}

Example 45 with Coordinate

use of org.openforis.idm.model.Coordinate in project collect by openforis.

the class SamplingPointDataGenerator method generateLocationsInCircle.

private List<Coordinate> generateLocationsInCircle(Coordinate center, double circleRadius, SamplingPointLevelGenerationSettings c) {
    List<Coordinate> result = new ArrayList<Coordinate>(c.getNumPoints());
    double radiusSquared = circleRadius * circleRadius;
    double locationRadius = c.getPointWidth() / 2;
    switch(c.getDistribution()) {
        case RANDOM:
            for (int i = 0; i < c.getNumPoints(); i++) {
                double offsetAngle = Math.random() * Math.PI * 2;
                double offsetMagnitude = Math.random() * circleRadius;
                double xOffset = offsetMagnitude * Math.cos(offsetAngle);
                double yOffset = offsetMagnitude * Math.sin(offsetAngle);
                double x = center.getX() + xOffset;
                double y = center.getY() + yOffset;
                result.add(new Coordinate(x, y, center.getSrsId()));
            }
            break;
        case GRIDDED:
            double left = center.getX() - circleRadius;
            double top = center.getY() - circleRadius;
            double numberOfSteps = Math.floor(2 * circleRadius / c.getResolution());
            for (int xStep = 0; xStep < numberOfSteps; xStep++) {
                double x = left + xStep * c.getResolution() + locationRadius;
                for (int yStep = 0; yStep < numberOfSteps; yStep++) {
                    double y = top + yStep * c.getResolution() + locationRadius;
                    if (squareDistance(x, y, center.getX(), center.getY()) < radiusSquared) {
                        result.add(new Coordinate(x, y, center.getSrsId()));
                    }
                }
            }
            break;
        case CSV:
            // do nothing
            break;
    }
    return result;
}