- improve way-labeling

- let nomination search places instead of tags
This commit is contained in:
Hannes Janetzek 2012-11-03 14:45:34 +01:00
parent 0eda94864f
commit b7aaaef485
14 changed files with 260 additions and 73 deletions

View File

@ -65,7 +65,7 @@ public class MapDatabase implements IMapDatabase {
private static final String CACHE_FILE = "%d-%d-%d.tile";
private static final String SERVER_ADDR = "city.informatik.uni-bremen.de";
// private static final String URL = "/osci/map-live/";
//private static final String URL = "/osci/map-live/";
private static final String URL = "/osci/oscim/";
private final static float REF_TILE_SIZE = 4096.0f;

View File

@ -94,6 +94,8 @@ public class MapDatabase implements IMapDatabase {
// private static final String URL =
// "http://city.informatik.uni-bremen.de:8020/test/%d/%d/%d.osmtile";
private static final String URL = "http://city.informatik.uni-bremen.de/osmstache/test/%d/%d/%d.osmtile";
//private static final String URL = "http://city.informatik.uni-bremen.de/osmstache/gis-live/%d/%d/%d.osmtile";
// private static final String URL =
// "http://city.informatik.uni-bremen.de/tiles/tiles.py///test/%d/%d/%d.osmtile";
// private static final String URL =
@ -1217,10 +1219,8 @@ public class MapDatabase implements IMapDatabase {
mCacheFile = null;
}
/*
* All code below is taken from or based on Google's Protocol Buffers
* implementation:
*/
/* All code below is taken from or based on Google's Protocol Buffers
* implementation: */
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.

View File

@ -170,7 +170,7 @@ public final class LineRenderer {
blur = true;
}
if (line.cap == Cap.ROUND) {
if (o.line.cap == Cap.ROUND) {
if (lineMode != 1) {
lineMode = 1;
GLES20.glUniform1i(hLineMode[mode], lineMode);

View File

@ -160,10 +160,8 @@ public abstract class ScanBox {
}
}
/*
* ported from Polymaps: Layer.js Copyright (c) 2010, SimpleGeo and Stamen
* Design
*/
/* ported from Polymaps: Layer.js Copyright (c) 2010, SimpleGeo and Stamen
* Design */
// // scan-line conversion
// function edge(a, b) {

View File

@ -24,6 +24,7 @@ import org.oscim.renderer.layer.TextureLayer;
import org.oscim.utils.GlUtils;
import android.opengl.GLES20;
import android.util.FloatMath;
import android.util.Log;
public final class TextureRenderer {
@ -42,7 +43,7 @@ public final class TextureRenderer {
final static int VERTICES_PER_SPRITE = 4;
final static int SHORTS_PER_VERTICE = 6;
// per texture
public final static int MAX_ITEMS = 50;
private final static int MAX_ITEMS = 50;
static void init() {
mTextureProgram = GlUtils.createProgram(Shaders.textVertexShader,
@ -111,7 +112,8 @@ public final class TextureRenderer {
TextureLayer tl = (TextureLayer) layer;
if (tl.fixed)
GLES20.glUniform1f(hTextureScale, scale);
GLES20.glUniform1f(hTextureScale, FloatMath.sqrt(scale));
else
GLES20.glUniform1f(hTextureScale, 1);
@ -129,6 +131,7 @@ public final class TextureRenderer {
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, to.id);
int maxVertices = MAX_ITEMS * INDICES_PER_SPRITE;
// can only draw MAX_ITEMS in each iteration
for (int i = 0; i < to.vertices; i += maxVertices) {
// to.offset * (24(shorts) * 2(short-bytes) / 6(indices) == 8)
int off = (to.offset + i) * 8 + offset;

View File

@ -179,7 +179,7 @@ public final class WayDecorator {
wayNameWidth = text.paint.measureText(string);
}
if (segmentLengthInPixel > wayNameWidth + 25) {
if (segmentLengthInPixel > wayNameWidth * 0.80) {
float s = (wayNameWidth + 25) / segmentLengthInPixel;
int width, height;
@ -244,17 +244,17 @@ public final class WayDecorator {
// Log.d("mapsforge", "add " + text + " " + first + " " +
// last);
if (previousX < currentX) {
x1 = previousX;
y1 = previousY;
x2 = currentX;
y2 = currentY;
} else {
x1 = currentX;
y1 = currentY;
x2 = previousX;
y2 = previousY;
}
// if (previousX < currentX) {
// x1 = previousX;
// y1 = previousY;
// x2 = currentX;
// y2 = currentY;
// } else {
// x1 = currentX;
// y1 = currentY;
// x2 = previousX;
// y2 = previousY;
// }
// if (t == null)
t = TextItem.get();

View File

@ -119,7 +119,7 @@ public final class SymbolLayer extends TextureLayer {
textures = to;
mCanvas.setBitmap(to.bitmap);
int maxIndices = TextureRenderer.MAX_ITEMS * TextureRenderer.INDICES_PER_SPRITE;
// int maxIndices = TextureRenderer.MAX_ITEMS * TextureRenderer.INDICES_PER_SPRITE;
for (SymbolItem it = symbols; it != null;) {
float width, height;
@ -143,7 +143,7 @@ public final class SymbolLayer extends TextureLayer {
}
if (y + height > TEXTURE_HEIGHT || curIndices == maxIndices) {
if (y + height > TEXTURE_HEIGHT) { // || curIndices == maxIndices) {
Log.d(TAG, "reached max symbols: " + numIndices);
to.offset = offsetIndices;
@ -249,13 +249,6 @@ public final class SymbolLayer extends TextureLayer {
pos = 0;
}
// FIXME this does not work, need to draw bitmap on next
// texture...
// if (pos == bufLen) {
// sbuf.put(buf, 0, pos);
// pos = 0;
// }
x += width;
}
}

View File

@ -68,6 +68,15 @@ public class TextItem {
return this;
}
public TextItem move(TextItem ti, float dx, float dy, float scale) {
this.x = dx + (ti.x * scale);
this.y = dy + (ti.y * scale);
this.string = ti.string;
this.text = ti.text;
this.width = ti.width;
return this;
}
public TextItem next;
public float x, y;

View File

@ -35,9 +35,9 @@ public final class TextLayer extends TextureLayer {
private static int mFontPadX = 1;
private static int mFontPadY = 1;
TextItem labels;
public TextItem labels;
private Canvas mCanvas;
private float mScale;
public TextItem getLabels() {
return labels;
@ -47,6 +47,31 @@ public final class TextLayer extends TextureLayer {
type = Layer.SYMBOL;
mCanvas = new Canvas();
fixed = true;
mScale = 1;
}
public void setScale(float scale) {
mScale = scale;
}
public boolean removeText(TextItem item) {
TextItem prev = null;
for (TextItem it = labels; it != null; it = it.next) {
if (it == item) {
if (prev == null)
labels = it.next;
else
prev.next = it.next;
verticesCnt -= 4;
return true;
}
prev = it;
}
return false;
}
public void addText(TextItem item) {
@ -170,8 +195,14 @@ public final class TextLayer extends TextureLayer {
float ux = -vy;
float uy = vx;
hw /= mScale;
float hh2 = hh + it.text.fontDescent / 2;
hh -= it.text.fontDescent / 2;
hh /= mScale;
hh2 /= mScale;
x1 = (short) (SCALE * (vx * hw - ux * hh));
y1 = (short) (SCALE * (vy * hw - uy * hh));
x2 = (short) (SCALE * (-vx * hw - ux * hh));

View File

@ -17,15 +17,18 @@ package org.oscim.renderer.overlays;
import org.oscim.core.MapPosition;
import org.oscim.core.Tile;
import org.oscim.renderer.GLRenderer;
import org.oscim.renderer.MapTile;
import org.oscim.renderer.TileManager;
import org.oscim.renderer.Tiles;
import org.oscim.renderer.layer.TextItem;
import org.oscim.renderer.layer.TextLayer;
import org.oscim.utils.FastMath;
import org.oscim.utils.GeometryUtils;
import org.oscim.utils.PausableThread;
import org.oscim.view.MapView;
import android.opengl.Matrix;
import android.os.SystemClock;
import android.util.FloatMath;
@ -45,7 +48,7 @@ public class OverlayText extends RenderOverlay {
@Override
protected void doWork() {
SystemClock.sleep(300);
SystemClock.sleep(500);
mRun = false;
updateLabels();
mMapView.redrawMap();
@ -96,54 +99,131 @@ public class OverlayText extends RenderOverlay {
return;
}
float div = FastMath.pow(diff);
// fix map position to tile coordinates
float size = Tile.TILE_SIZE;
int x = (int) (mWorkPos.x / div / size);
int y = (int) (mWorkPos.y / div / size);
mWorkPos.x = x * size;
mWorkPos.y = y * size;
mWorkPos.zoomLevel += diff;
mWorkPos.scale = div;
float scale = mWorkPos.scale;
float angle = (float) Math.toRadians(mWorkPos.angle);
float cos = FloatMath.cos(angle);
float sin = FloatMath.sin(angle);
TextItem ti2 = null;
// TODO more sophisticated placement :)
for (int i = 0, n = tiles.cnt; i < n; i++) {
MapTile t = tiles.tiles[i];
if (!t.isVisible)
continue;
int dx = (t.tileX - x) * Tile.TILE_SIZE;
int dy = (t.tileY - y) * Tile.TILE_SIZE;
float dx = (float) ((t.pixelX - mWorkPos.x) * scale);
float dy = (float) ((t.pixelY - mWorkPos.y) * scale);
for (TextItem ti = t.labels; ti != null; ti = ti.next) {
TextItem ti2 = TextItem.get().move(ti, dx, dy);
if (ti2 == null)
ti2 = TextItem.get();
ti2.move(ti, dx, dy, scale);
boolean overlaps = false;
if (ti.text.caption) {
int tx = (int) (ti2.x);
int ty = (int) (ti2.y);
int tw = (int) (ti2.width / 2);
int th = (int) (ti2.text.fontHeight / 2);
for (TextItem lp = tl.labels; lp != null; lp = lp.next) {
int px = (int) (lp.x);
int py = (int) (lp.y);
int ph = (int) (lp.text.fontHeight / 2);
int pw = (int) (lp.width / 2);
if ((tx - tw) < (px + pw)
&& (px - pw) < (tx + tw)
&& (ty - th) < (py + ph)
&& (py - ph) < (ty + th)) {
overlaps = true;
break;
}
}
} else {
if (!ti.text.caption) {
if (cos * (ti.x2 - ti.x1) - sin * (ti.y2 - ti.y1) < 0) {
// flip label upside-down
ti2.x1 = ti.x2;
ti2.y1 = ti.y2;
ti2.x2 = ti.x1;
ti2.y2 = ti.y1;
ti2.x1 = (short) ((ti.x2 * scale + dx));
ti2.y1 = (short) ((ti.y2 * scale + dy));
ti2.x2 = (short) ((ti.x1 * scale + dx));
ti2.y2 = (short) ((ti.y1 * scale + dy));
} else {
ti2.x1 = ti.x1;
ti2.y1 = ti.y1;
ti2.x2 = ti.x2;
ti2.y2 = ti.y2;
ti2.x1 = (short) ((ti.x1 * scale + dx));
ti2.y1 = (short) ((ti.y1 * scale + dy));
ti2.x2 = (short) ((ti.x2 * scale + dx));
ti2.y2 = (short) ((ti.y2 * scale + dy));
}
//float normalLength = (float) Math.hypot(ti2.x2 - ti2.x1, ti2.y2 - ti2.y1);
for (TextItem lp = tl.labels; lp != null;) {
if (lp.text.caption) {
lp = lp.next;
continue;
}
if (GeometryUtils.lineIntersect(ti2.x1, ti2.y1, ti2.x2, ti2.y2,
lp.x1, lp.y1, lp.x2, lp.y2)) {
// just to make it more deterministic
if (lp.width < ti2.width) {
TextItem tmp = lp;
lp = lp.next;
tl.removeText(tmp);
tmp.next = null;
TextItem.release(tmp);
continue;
}
overlaps = true;
break;
}
if ((ti2.x1) < (lp.x2)
&& (lp.x1) < (ti2.x2)
&& (ti2.y1) < (lp.y2)
&& (lp.y1) < (ti2.y2)) {
// just to make it more deterministic
if (lp.width < ti2.width) {
TextItem tmp = lp;
lp = lp.next;
tl.removeText(tmp);
tmp.next = null;
TextItem.release(tmp);
continue;
}
overlaps = true;
break;
}
lp = lp.next;
}
}
tl.addText(ti2);
if (!overlaps) {
tl.addText(ti2);
ti2 = null;
}
}
}
if (ti2 != null)
TextItem.release(ti2);
// scale back to fixed zoom-level. could be done in setMatrix..
for (TextItem lp = tl.labels; lp != null; lp = lp.next) {
lp.x /= scale;
lp.y /= scale;
}
// draw text to bitmaps and create vertices
tl.setScale(scale);
tl.prepare();
// everything synchronized?
@ -153,7 +233,8 @@ public class OverlayText extends RenderOverlay {
}
@Override
public synchronized void update(MapPosition curPos, boolean positionChanged, boolean tilesChanged) {
public synchronized void update(MapPosition curPos, boolean positionChanged,
boolean tilesChanged) {
// Log.d("...", "update " + tilesChanged + " " + positionChanged);
if (mNewLayer != null) {
@ -183,4 +264,43 @@ public class OverlayText extends RenderOverlay {
}
}
}
@Override
protected float setMatrix(MapPosition curPos, float[] matrix) {
// TODO if oPos == curPos this could be simplified
MapPosition oPos = mMapPosition;
byte z = oPos.zoomLevel;
float div = FastMath.pow(z - curPos.zoomLevel);
float x = (float) (oPos.x - curPos.x * div);
float y = (float) (oPos.y - curPos.y * div);
// flip around date-line
float max = (Tile.TILE_SIZE << z);
if (x < -max / 2)
x = max + x;
else if (x > max / 2)
x = x - max;
float scale = curPos.scale / div;
Matrix.setIdentityM(matrix, 0);
// translate relative to map center
matrix[12] = x * scale;
matrix[13] = y * scale;
// scale to current tile world coordinates
scale = curPos.scale / div; // oPos.scale / div;
scale /= GLRenderer.COORD_MULTIPLIER;
matrix[0] = scale;
matrix[5] = scale;
Matrix.multiplyMM(matrix, 0, curPos.viewMatrix, 0, matrix, 0);
return div;
}
}

View File

@ -54,7 +54,6 @@ public abstract class RenderOverlay {
/**
* Utility: update mMapPosition
*
* @return true if position has changed
*/
protected boolean updateMapPosition() {
@ -71,7 +70,8 @@ public abstract class RenderOverlay {
* @param tilesChanged
* true when loaded tiles changed
*/
public synchronized void update(MapPosition curPos, boolean positionChanged, boolean tilesChanged) {
public synchronized void update(MapPosition curPos, boolean positionChanged,
boolean tilesChanged) {
// // keep position constant (or update layer relative to new position)
// mMapView.getMapViewPosition().getMapPosition(mMapPosition, null);
//
@ -114,7 +114,8 @@ public abstract class RenderOverlay {
}
}
private float setMatrix(MapPosition curPos, float[] matrix) {
// set matrix to scale relative to zoomlevel
protected float setMatrix(MapPosition curPos, float[] matrix) {
// TODO if oPos == curPos this could be simplified
MapPosition oPos = mMapPosition;

View File

@ -497,7 +497,26 @@
<!-- highway -->
<rule e="way" k="highway" v="*">
<rule e="way" k="*" v="*" zoom-min="3" zoom-max="10">
<rule e="way" k="*" v="*" zoom-min="3" zoom-max="5">
<rule e="way" k="area" v="~|no|false">
<!-- <rule e="way" k="*" v="secondary|primary_link" zoom-min="9">
<line stroke="#f2df6d" width="1.3" cap="butt" fixed="true" fade="9"/>
</rule> -->
<rule e="way" k="*" v="route_primary" zoom-min="3">
<line stroke="#f2df6d" width="1.4" cap="butt" fixed="true" fade="3"/>
</rule>
<rule e="way" k="*" v="route_trunk" zoom-min="3">
<line stroke="#fed6a3" width="1.4" cap="butt" fixed="true" fade="3"/>
</rule>
<rule e="way" k="*" v="route_motorway">
<line stroke="#eec693" width="1.5" cap="butt" fixed="true" fade="3"/>
</rule>
</rule>
</rule>
<rule e="way" k="*" v="*" zoom-min="5" zoom-max="10">
<rule e="way" k="area" v="~|no|false">
<rule e="way" k="*" v="secondary|primary_link" zoom-min="9">
<line stroke="#f2df6d" width="1.3" cap="butt" fixed="true" fade="9"/>
@ -916,7 +935,7 @@
</rule>
<rule e="node" k="debug" v="*" >
<caption k="name" font-size="12" fill="#0000ff" />
<caption k="name" font-size="16" fill="#0000ff" />
</rule>
@ -941,7 +960,7 @@
<!-- place -->
<rule e="node" k="place" v="*">
<rule e="node" k="*" v="suburb|town|village">
<caption k="name" font-size="18" fill="#000000"
<caption k="name" font-size="17" fill="#000000"
stroke="#ffffff" stroke-width="2.0" />
</rule>
<rule e="node" k="*" v="island" zoom-min="10">
@ -949,7 +968,7 @@
stroke="#ffffff" stroke-width="2.0" />
</rule>
<rule e="node" k="*" v="city">
<caption k="name" font-size="19" fill="#000000"
<caption k="name" font-size="20" fill="#000000"
stroke="#ffffff" stroke-width="2.0" />
</rule>
<rule e="node" k="*" v="country">

View File

@ -14,6 +14,8 @@
*/
package org.oscim.utils;
import android.graphics.Point;
/**
*
*
@ -22,7 +24,6 @@ public final class GeometryUtils {
/**
* Calculates the center of the minimum bounding rectangle for the given
* coordinates.
*
* @param coordinates
* the coordinates for which calculation should be done.
* @return the center coordinates of the minimum bounding rectangle.
@ -165,12 +166,12 @@ public final class GeometryUtils {
*/
public static boolean lineIntersect(int x1, int y1, int x2, int y2, int x3, int y3, int x4,
int y4) {
double denom = (y4 - y3) * (x2 - x1) - (x4 - x3) * (y2 - y1);
float denom = (y4 - y3) * (x2 - x1) - (x4 - x3) * (y2 - y1);
if (denom == 0.0) { // Lines are parallel.
return false;
}
double ua = ((x4 - x3) * (y1 - y3) - (y4 - y3) * (x1 - x3)) / denom;
double ub = ((x2 - x1) * (y1 - y3) - (y2 - y1) * (x1 - x3)) / denom;
float ua = ((x4 - x3) * (y1 - y3) - (y4 - y3) * (x1 - x3)) / denom;
float ub = ((x2 - x1) * (y1 - y3) - (y2 - y1) * (x1 - x3)) / denom;
if (ua >= 0.0f && ua <= 1.0f && ub >= 0.0f && ub <= 1.0f) {
// Get the intersection point.
return true;
@ -178,4 +179,11 @@ public final class GeometryUtils {
return false;
}
// http://en.wikipedia.org/wiki/Distance_from_a_point_to_a_line
public static double pointToLineDistance(Point A, Point B, Point P) {
double normalLength = Math.hypot(B.x - A.x, B.y - A.y);
return Math.abs((P.x - A.x) * (B.y - A.y) - (P.y - A.y) * (B.x - A.x)) / normalLength;
}
}

View File

@ -215,7 +215,8 @@ public class MapView extends RelativeLayout {
worker.start();
mOverlayManager.add(new LabelingOverlay(this));
// mOverlayManager.add(new GenericOverlay(this, new OverlayGrid(this)));
//mOverlayManager.add(new GenericOverlay(this, new OverlayGrid(this)));
// mOverlayManager.add(new GenericOverlay(this, new OverlayTest(this)));
// ArrayList<OverlayItem> pList = new ArrayList<OverlayItem>();
@ -710,6 +711,10 @@ public class MapView extends RelativeLayout {
return mMapViewPosition.getViewBox();
}
public GeoPoint getCenter() {
return new GeoPoint(mMapPosition.lat, mMapPosition.lon);
}
// @Override
// protected void onLayout(boolean changed, int l, int t, int r, int b) {
// // TODO Auto-generated method stub