Java Code Examples for mil.nga.geopackage.tiles.TileBoundingBoxUtils#getXPixel()

The following examples show how to use mil.nga.geopackage.tiles.TileBoundingBoxUtils#getXPixel() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DefaultFeatureTiles.java    From geopackage-android with MIT License 6 votes vote down vote up 
/**
 * Add the linestring to the path
 *
 * @param simplifyTolerance simplify tolerance in meters
 * @param boundingBox       bounding box
 * @param transform         projection transform
 * @param path              path
 * @param lineString        line string
 */
private void addLineString(double simplifyTolerance, BoundingBox boundingBox, ProjectionTransform transform, Path path, LineString lineString) {

    List<Point> points = lineString.getPoints();

    if (points.size() >= 2) {

        // Try to simplify the number of points in the LineString
        points = simplifyPoints(simplifyTolerance, points);

        for (int i = 0; i < points.size(); i++) {
            Point point = points.get(i);
            Point webMercatorPoint = transform.transform(point);
            float x = TileBoundingBoxUtils.getXPixel(tileWidth, boundingBox,
                    webMercatorPoint.getX());
            float y = TileBoundingBoxUtils.getYPixel(tileHeight, boundingBox,
                    webMercatorPoint.getY());
            if (i == 0) {
                path.moveTo(x, y);
            } else {
                path.lineTo(x, y);
            }
        }
    }
}
Example 2
Source File: DefaultFeatureTiles.java    From geopackage-android with MIT License 6 votes vote down vote up 
/**
 * Add a ring
 *
 * @param simplifyTolerance simplify tolerance in meters
 * @param boundingBox       bounding box
 * @param transform         projection transform
 * @param path              path
 * @param points            points
 */
private void addRing(double simplifyTolerance, BoundingBox boundingBox, ProjectionTransform transform, Path path, List<Point> points) {

    // Try to simplify the number of points in the LineString
    points = simplifyPoints(simplifyTolerance, points);

    for (int i = 0; i < points.size(); i++) {
        Point point = points.get(i);
        Point webMercatorPoint = transform.transform(point);
        float x = TileBoundingBoxUtils.getXPixel(tileWidth, boundingBox,
                webMercatorPoint.getX());
        float y = TileBoundingBoxUtils.getYPixel(tileHeight, boundingBox,
                webMercatorPoint.getY());
        if (i == 0) {
            path.moveTo(x, y);
        } else {
            path.lineTo(x, y);
        }
    }
    path.close();
}
Example 3
Source File: DefaultFeatureTiles.java    From geopackage-java with MIT License 5 votes vote down vote up 
/**
 * Get the path of the line string
 *
 * @param simplifyTolerance
 *            simplify tolerance in meters
 * @param boundingBox
 * @param transform
 * @param lineString
 */
private Path2D getPath(double simplifyTolerance, BoundingBox boundingBox,
		ProjectionTransform transform, LineString lineString) {

	Path2D path = null;

	// Try to simplify the number of points in the LineString
	List<Point> lineStringPoints = simplifyPoints(simplifyTolerance,
			lineString.getPoints());

	for (Point point : lineStringPoints) {

		Point projectedPoint = transform.transform(point);

		float x = TileBoundingBoxUtils.getXPixel(tileWidth, boundingBox,
				projectedPoint.getX());
		float y = TileBoundingBoxUtils.getYPixel(tileHeight, boundingBox,
				projectedPoint.getY());

		if (path == null) {
			path = new Path2D.Double();
			path.moveTo(x, y);
		} else {
			path.lineTo(x, y);
		}

	}

	return path;
}