再来一个简单一些的自定义地图类型示例：
qq地图，QQ地图URL规则比较简单。1-17级都是有一层组成，选用GENERIC_MAPTYPE_5作为QQ地图类型，直接在CustomMap修改代码如下：
[
java]
package com.pstreets.gisengine.demo;
import com.mapdigit.gis.raster.ICustomMapType;
import com.mapdigit.gis.raster.MapType;
import com.mapdigit.gis.geometry.GeoLatLng;
import com.pstreets.gisengine.R;
import com.pstreets.gisengine.SharedMapInstance;
import
Android.app.Activity;
import
Android.os.Bundle;
import
Android.view.Menu;
import
Android.view.MenuInflater;
import
Android.view.MenuItem;
public class CustomMap extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
public void onStart() {
super.onStart();
MapType.setCustomMapTileUrl(new TiandiMapType());
GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778);
SharedMapInstance.map.setCenter(center, 13, MapType.GENERIC_MAPTYPE_5);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.mapzoom_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.zoomin:
SharedMapInstance.map.zoomIn();
return true;
case R.id.zoomout:
SharedMapInstance.map.zoomOut();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
class TiandiMapType implements ICustomMapType {
private static int serverIndex=1;
public String getTileURL(int mtype, int x, int y, int zoomLevel) {
String returnURL="";
serverIndex+=1;
serverIndex%=3;
int maxTiles=(int)Math.pow(2, zoomLevel);
switch(mtype){
case MapType.GENERIC_MAPTYPE_5:
returnURL= "http://p"
+ serverIndex+".map.qq.com/maptiles/" ;
y=maxTiles-y-1;
returnURL+=+zoomLevel
+"/"+(int)(x/16)+"/"+(int)(y/16)+"/"+x+"_"+y+".gif";
break;
case MapType.GENERIC_MAPTYPE_6:
if(zoomLevel<11){
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=A0512_EMap";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}else if(zoomLevel<13){
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=B0627_EMap1112";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}else{
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=siwei0608";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}
break;
case MapType.GENERIC_MAPTYPE_7:
if(zoomLevel<11){
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=AB0512_Anno";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}else{
returnURL=MapType.EMPTY_TILE_URL;
}
break;
}
return returnURL;
}
}
package com.pstreets.gisengine.demo;
import com.mapdigit.gis.raster.ICustomMapType;
import com.mapdigit.gis.raster.MapType;
import com.mapdigit.gis.geometry.GeoLatLng;
import com.pstreets.gisengine.R;
import com.pstreets.gisengine.SharedMapInstance;
import
Android.app.Activity;
import
Android.os.Bundle;
import
Android.view.Menu;
import
Android.view.MenuInflater;
import
Android.view.MenuItem;
public class CustomMap extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
public void onStart() {
super.onStart();
MapType.setCustomMapTileUrl(new TiandiMapType());
GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778);
SharedMapInstance.map.setCenter(center, 13, MapType.GENERIC_MAPTYPE_5);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.mapzoom_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.zoomin:
SharedMapInstance.map.zoomIn();
return true;
case R.id.zoomout:
SharedMapInstance.map.zoomOut();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
class TiandiMapType implements ICustomMapType {
private static int serverIndex=1;
public String getTileURL(int mtype, int x, int y, int zoomLevel) {
String returnURL="";
serverIndex+=1;
serverIndex%=3;
int maxTiles=(int)Math.pow(2, zoomLevel);
switch(mtype){
case MapType.GENERIC_MAPTYPE_5:
returnURL= "http://p"
+ serverIndex+".map.qq.com/maptiles/" ;
y=maxTiles-y-1;
returnURL+=+zoomLevel
+"/"+(int)(x/16)+"/"+(int)(y/16)+"/"+x+"_"+y+".gif";
break;
case MapType.GENERIC_MAPTYPE_6:
if(zoomLevel<11){
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=A0512_EMap";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}else if(zoomLevel<13){
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=B0627_EMap1112";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}else{
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=siwei0608";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}
break;
case MapType.GENERIC_MAPTYPE_7:
if(zoomLevel<11){
returnURL= "http://tile"
+ serverIndex+".tianditu.com/DataServer?T=AB0512_Anno";
returnURL+=";X="+x+";Y="+y+";L="+zoomLevel;
}else{
returnURL=MapType.EMPTY_TILE_URL;
}
break;
}
return returnURL;
}
}
作者：mapdigit
