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Diffstat (limited to 'src/ext/plantuml/com/ctreber/acearth/ACearth.java')
| -rw-r--r-- | src/ext/plantuml/com/ctreber/acearth/ACearth.java | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/src/ext/plantuml/com/ctreber/acearth/ACearth.java b/src/ext/plantuml/com/ctreber/acearth/ACearth.java deleted file mode 100644 index 54adad5..0000000 --- a/src/ext/plantuml/com/ctreber/acearth/ACearth.java +++ /dev/null @@ -1,373 +0,0 @@ -package ext.plantuml.com.ctreber.acearth; - -import java.io.IOException; -import java.io.OutputStream; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; -import java.util.Random; - -import ext.plantuml.com.ctreber.acearth.gui.CanvasACearth; -import ext.plantuml.com.ctreber.acearth.plugins.Plugin; -import ext.plantuml.com.ctreber.acearth.plugins.markers.Marker; -import ext.plantuml.com.ctreber.acearth.plugins.markers.PluginMarkers; -import ext.plantuml.com.ctreber.acearth.projection.Projection; -import ext.plantuml.com.ctreber.acearth.projection.ProjectionCyl; -import ext.plantuml.com.ctreber.acearth.projection.ProjectionMerc; -import ext.plantuml.com.ctreber.acearth.projection.ProjectionOrtho; -import ext.plantuml.com.ctreber.acearth.renderer.Renderer; -import ext.plantuml.com.ctreber.acearth.renderer.RowTypeRendererScanBit; -import ext.plantuml.com.ctreber.acearth.renderer.RowTypeRendererScanDot; -import ext.plantuml.com.ctreber.acearth.scanbit.BitGeneratorMap; -import ext.plantuml.com.ctreber.acearth.scanbit.BitGeneratorMapDefault; -import ext.plantuml.com.ctreber.acearth.scanbit.BitGeneratorMapOrtho; -import ext.plantuml.com.ctreber.acearth.scandot.DotGeneratorLines; -import ext.plantuml.com.ctreber.acearth.scandot.DotGeneratorStars; -import ext.plantuml.com.ctreber.acearth.scandot.ScanDot; -import ext.plantuml.com.ctreber.acearth.scandot.ScanDotGenerator; -import ext.plantuml.com.ctreber.acearth.shader.Shader; -import ext.plantuml.com.ctreber.acearth.shader.ShaderDefault; -import ext.plantuml.com.ctreber.acearth.shader.ShaderFlat; -import ext.plantuml.com.ctreber.acearth.shader.ShaderOrtho; -import ext.plantuml.com.ctreber.acearth.util.Coordinate; -import ext.plantuml.com.ctreber.acearth.util.SunPositionCalculator; -import ext.plantuml.com.ctreber.acearth.util.Toolkit; -import ext.plantuml.com.ctreber.aclib.sort.CTSort; -import ext.plantuml.com.ctreber.aclib.sort.QuickSort; - -/** - * <h1>AC.earth - XEarth for Java - * <h1> - * - * <p> - * The original XEarth was written by Kirk Johnson in July 1993 - thank you for - * writing this great little program and making it available for free! - * - * <p> - * I wanted to extend the program, but not in C. So I created this Java version, - * and found the process quite <strike>painfull</strike> interesting. The - * biggest effort went into resolving references between C files and - * eliminatiing pointers. - * - * <h1>License</h1> - * - * <p> - * AC.earth Copyright (c) 2002 Christian Treber, ct@ctreber.com - * - * <p> - * AC.earth is based on XEarth by Kirk Johnson - * - * <p> - * To comply with the XEarth license I include the following text: - * - * <pre> - * XEarth Copyright (C) 1989, 1990, 1993-1995, 1999 Kirk Lauritz Johnson - * Parts of the source code are: - * Copyright (C) 1989, 1990, 1991 by Jim Frost - * Copyright (C) 1992 by Jamie Zawinski <jwz@lucid.com> - * Permission to use, copy, modify and freely distribute xearth for - * non-commercial and not-for-profit purposes is hereby granted - * without fee, provided that both the above copyright notice and this - * permission notice appear in all copies and in supporting - * documentation. - * [Section refering to GIF omitted because it doesn't apply to this version] - * The author makes no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT - * OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * </pre> - * - * <p> - * The license for this program (AC.earth) is the same as the quoted license - * above, with one change: The "copyright notice and permission notice" shall - * include the entire text of this section. - * - * todo Phase 2: Make grid value stuff more meaningful ("every n degrees") todo - * Phase 2: Enter fixed time as data and time, not seconds since epoch todo - * Phase 2: Compact map data into binary file - * - * <p> - * © 2002 Christian Treber, ct@ctreber.com - * - * @author Christian Treber, ct@ctreber.com - */ -public class ACearth { - public static final String VERSION = "1.1"; - public static final String BUILD = "22.11.2002 004"; - - // private static long fsStartTime = 0; - - private ConfigurationACearth fConf = new ConfigurationACearth(); - private long fCurrentTime; - - private CanvasACearth fCanvas; - - private Coordinate fViewPos; - private double fViewRotation; - - private List fPlugins; - - /** - * <p> - * Well, the main class. - * @param markers - */ - public ACearth(List<Marker> markers) { - // fsStartTime = System.currentTimeMillis(); - - fPlugins = new ArrayList(); - fPlugins.add(new PluginMarkers(markers)); - - } - - public void exportPng(OutputStream os) throws IOException { - fCanvas = new CanvasACearth(this, fConf.getInt("imageWidth"), fConf.getInt("imageHeight")); - update(); - fCanvas.saveToImage(os); - } - - public void update() throws IOException { - Projection lProjection = null; - Shader lShader = null; - BitGeneratorMap lScanner = null; - if (fConf.is("projection", "Cylindrical")) { - lProjection = new ProjectionCyl(); - lScanner = new BitGeneratorMapDefault(lProjection); - lShader = new ShaderDefault(); - } - - if (fConf.is("projection", "Mercator")) { - lProjection = new ProjectionMerc(); - lScanner = new BitGeneratorMapDefault(lProjection); - lShader = new ShaderDefault(); - } - - if (fConf.is("projection", "Orthographic")) { - lProjection = new ProjectionOrtho(); - lScanner = new BitGeneratorMapOrtho(lProjection); - lShader = new ShaderOrtho(); - } - - computePositions(); - lProjection.setImageWidth(fConf.getInt("imageWidth")); - lProjection.setImageHeight(fConf.getInt("imageHeight")); - lProjection.setShiftX(fConf.getInt("shiftX")); - lProjection.setShiftY(fConf.getInt("shiftY")); - lProjection.setViewMagnification(fConf.getDouble("viewMagnification")); - lProjection.setViewPos(fViewPos); - lProjection.setViewRotation(fViewRotation); - - lScanner.setImageWidth(fConf.getInt("imageWidth")); - lScanner.setImageHeight(fConf.getInt("imageHeight")); - lScanner.setMapData(MapDataReader.readMapData()); - // Process the map (produces ScanBit-s). - lScanner.generateScanBits(); - - // Process stars and lines (produces ScanDots-s). - List lScanDots = new ArrayList(); - if (fConf.getBoolean("starsP")) { - ScanDotGenerator lGenerator = new DotGeneratorStars(fConf.getInt("imageWidth"), - fConf.getInt("imageHeight"), fConf.getDouble("starFrequency"), fConf.getInt("bigStars"), new Random(fCurrentTime)); - lGenerator.generateScanDots(); - lScanDots.addAll(lGenerator.getScanDots()); - } - - if (fConf.getBoolean("gridP")) { - ScanDotGenerator lGenerator = new DotGeneratorLines(lProjection, fConf.getInt("gridDivision"), fConf - .getInt("gridPixelDivision")); - lGenerator.generateScanDots(); - lScanDots.addAll(lGenerator.getScanDots()); - } - - final CTSort lSort = new QuickSort(); - ScanDot[] lScanDotsArray = (ScanDot[]) lScanDots.toArray(new ScanDot[0]); - lSort.sort(lScanDotsArray); - - if (!fConf.getBoolean("shadeP")) { - lShader = new ShaderFlat(); - } - lShader.setProjection(lProjection); - lShader.setSunPos(fConf.getSunPos()); - lShader.setDaySideBrightness(fConf.getInt("daySideBrightness")); - lShader.setTerminatorDiscontinuity(fConf.getInt("terminatorDiscontinuity")); - lShader.setNightSideBrightness(fConf.getInt("nightSideBrightness")); - lShader.init(); - - Renderer lRenderer = new Renderer(fCanvas); - - RowTypeRendererScanBit lRowRendererScanBit = new RowTypeRendererScanBit(); - lRowRendererScanBit.setScanBits(lScanner.getScanBits()); - lRenderer.addRowTypeRenderer(lRowRendererScanBit); - - RowTypeRendererScanDot lRowRendererScanDot = new RowTypeRendererScanDot(); - lRowRendererScanDot.setScanDots(lScanDotsArray); - lRenderer.addRowTypeRenderer(lRowRendererScanDot); - - lRenderer.setShader(lShader); - lRenderer.render(); - - // Apply plugins - Iterator lIt = fPlugins.iterator(); - while (lIt.hasNext()) { - Plugin lPlugin = (Plugin) lIt.next(); - lPlugin.setProjection(lProjection); - lPlugin.setRenderTarget(fCanvas); - lPlugin.setParent(this); - lPlugin.render(); - } - - } - - /** - * <p> - * This is repeated when time changes since this influences the position of - * Earth. - */ - private void computePositions() { - // Determine time for rendering - if (fConf.getInt("fixedTime") == 0) { - // No fixed time. - // final long lTimePassed = System.currentTimeMillis() - fsStartTime; - // fCurrentTime = fsStartTime + (long) (fConf.getDouble("timeWarpFactor") * lTimePassed); - fCurrentTime = System.currentTimeMillis(); - } else { - // Fixed time. - fCurrentTime = fConf.getInt("fixedTime") * 1000L; - } - - if (fConf.getBoolean("sunMovesP")) { - fConf.setSunPos(SunPositionCalculator.getSunPositionOnEarth(fCurrentTime)); - } - - // Determine viewing position - if (fConf.is("viewPositionType", "Fixed")) { - fViewPos = fConf.getViewPos(); - } else if (fConf.is("viewPositionType", "Sun-relative")) { - fViewPos = getSunRelativePosition(); - } else if (fConf.is("viewPositionType", "Orbit")) { - fViewPos = getOrbitPosition(fCurrentTime); - } else if (fConf.is("viewPositionType", "Random")) { - fViewPos = getRandomPosition(); - } else if (fConf.is("viewPositionType", "Moon")) { - fViewPos = SunPositionCalculator.getMoonPositionOnEarth(fCurrentTime); - } - - // for ViewRotGalactic, compute appropriate viewing rotation - if (fConf.is("viewRotationType", "Galactic")) { - fViewRotation = (Toolkit.degsToRads(fConf.getSunPos().getLat() - * Math.sin((fViewPos.getLong() - fConf.getSunPos().getLong())))); - } else { - fViewRotation = fConf.getDouble("viewRotation"); - } - } - - /** - * <p> - * Add sun position and position relative to sun, straighten out the result. - * - * @return Position relativ to sun position as defined by fSunPosRel. - */ - private Coordinate getSunRelativePosition() { - final Coordinate lPos = fConf.getSunPos(); - lPos.add(fConf.getSunPosRel()); - - return lPos; - } - - private Coordinate getOrbitPosition(long pTimeMillis) { - double x, y, z; - double a, c, s; - double t1, t2; - - /* start at 0 N 0 E */ - x = 0; - y = 0; - z = 1; - - /* - * rotate in about y axis (from z towards x) according to the number of - * orbits we've completed - */ - a = (double) pTimeMillis / (fConf.getDouble("orbitPeriod") * 3600 * 1000) * 2 * Math.PI; - c = Math.cos(a); - s = Math.sin(a); - t1 = c * z - s * x; - t2 = s * z + c * x; - z = t1; - x = t2; - - /* - * rotate about z axis (from x towards y) according to the inclination - * of the orbit - */ - a = Toolkit.degsToRads(fConf.getDouble("orbitInclination")); - c = Math.cos(a); - s = Math.sin(a); - t1 = c * x - s * y; - t2 = s * x + c * y; - x = t1; - y = t2; - - /* - * rotate about y axis (from x towards z) according to the number of - * rotations the earth has made - */ - a = ((double) pTimeMillis / 86400000) * (2 * Math.PI); - c = Math.cos(a); - s = Math.sin(a); - t1 = c * x - s * z; - t2 = s * x + c * z; - x = t1; - z = t2; - - return new Coordinate(Toolkit.radsToDegs(Math.asin(y)), Toolkit.radsToDegs(Math.atan2(x, z))); - } - - /** - * <p> - * Pick a position (lat, lon) at random - * - * @return A random position. - */ - private static Coordinate getRandomPosition() { - - /* select a vector at random */ - final double[] pos = new double[3]; - double mag = 0; - do { - for (int i = 0; i < 3; i++) { - pos[i] = ((Math.random() * 20000) * 1e-4) - 1; - mag += pos[i] * pos[i]; - } - } while ((mag > 1.0) || (mag < 0.01)); - - /* normalize the vector */ - mag = Math.sqrt(mag); - for (int i = 0; i < 3; i++) { - pos[i] /= mag; - } - - /* convert to (lat, lon) */ - final double s_lat = pos[1]; - final double c_lat = Math.sqrt(1 - s_lat * s_lat); - final double s_lon = pos[0] / c_lat; - final double c_lon = pos[2] / c_lat; - - return new Coordinate(Math.atan2(s_lat, c_lat) * (180 / Math.PI), Math.atan2(s_lon, c_lon) * (180 / Math.PI)); - } - -// public static long getStartTime() { -// return fsStartTime; -// } - - public ConfigurationACearth getConf() { - return fConf; - } - -}
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