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| namespace jisX0410
{
/** メッシュ情報定義 */
export interface IMeshInfo
{
/** メッシュコード */
meshCode: string;
/** 緯度 */
latMs: number;
/** 経度 */
lonMs: number;
}//end class
/** メッシュ定義の管理クラス */
export class MeshSchema
{
public static readonly MILLISECOND = 3600000;
/** 経度差ミリ秒 */
public widthMs: number;
/** 緯度差ミリ秒 */
public heightMs: number;
/** 分割数 */
public splitCount: number;
/** 親メッシュ定義 */
public parent: MeshSchema;
/** 説明用のラベル */
public label: string;
/** メッシュコードの分割文字列 */
public splitString:string;
/** 区切り文字を除いたメッシュコードの文字列長 */
public meshCodeLength: number;
/** メッシュコード取得関数 */
public getMeshCode: (latlon:[number,number]) => IMeshInfo;
/** メッシュコード文字列からメッシュ情報取得 */
public meshCode2MeshInfo: (meshCode: string) => IMeshInfo;
/**
* コンストラクタ
* @param parent 親メッシュ定義
* @param splitCount 分割数
*/
public constructor(parent: MeshSchema = undefined, splitCount:number = undefined)
{
this.parent = parent;
this.splitCount = splitCount;
if (parent){
this.widthMs = parent.widthMs / splitCount;
this.heightMs = parent.heightMs / splitCount;
}//end if
}//end method
/**
* 標準的なメッシュ定義の返却
*/
public static createStandardMesh() : Array<MeshSchema> {
//1次メッシュコード生成用のコード
let mesh1_getCode: (latlon:[number,number]) => IMeshInfo =
function(latlon: [number, number]): IMeshInfo{
let r = Math.round(Math.floor(latlon[0] * 1.5));
let c = Math.round(Math.floor(latlon[1] - 100.0));
//メッシュコード
let code = String(r) + String(c);
let lat = (r * MeshSchema.MILLISECOND) / 1.5;//ミリ秒単位
let lon = (c + 100.0) * 3600000 ;//ミリ秒単位
return { meshCode: code, latMs: lat, lonMs:lon };
};
//2-3次メッシュコード生成用のコード
let mesh2_3_getCode :(latlon:[number,number]) => IMeshInfo =
function(latlon: [number, number]): IMeshInfo{
let thisObj = (<MeshSchema>this);
return MeshSchema._getCodeBase(thisObj, latlon, function(preMeshInfo:IMeshInfo, r:number,c:number){
let thisObj = (<MeshSchema>this);
return preMeshInfo.meshCode + thisObj.splitString + String(r) + String(c);
});
};
//4-6次メッシュコードと5倍地域メッシュの生成用コード
let mesh4_6_getCode :(latlon:[number, number]) => IMeshInfo =
function(latlon: [number, number]): IMeshInfo{
let thisObj = (<MeshSchema>this);
return MeshSchema._getCodeBase(thisObj, latlon, function(preMeshInfo:IMeshInfo, r:number,c:number){
let thisObj = (<MeshSchema>this);
let code = r < 1 ? String(c + 1) : String(c + 1 + 2);
code = preMeshInfo.meshCode + thisObj.splitString + code;
return code;
});
};
//2倍地域メッシュの生成コード
let mesh3_2_getCode:(latlon:[number, number]) => IMeshInfo =
function(latlon: [number, number]): IMeshInfo{
let thisObj = (<MeshSchema>this);
return MeshSchema._getCodeBase(thisObj, latlon, function(preMeshInfo:IMeshInfo, r:number,c:number){
let thisObj = (<MeshSchema>this);
const MESH_ID = ["0","2","4","6","8"];
let code = MESH_ID[r] + MESH_ID[c] + '5';
code = preMeshInfo.meshCode + thisObj.splitString + code;
return code;
});
};
//10分の1・20分の1細分区画のメッシュコード生成コード ( 明確な規定がなさそうので適当にRCを文字化 )
let mesh7_8_getCode:(latlon:[number, number]) => IMeshInfo =
function(latlon: [number, number]): IMeshInfo{
let thisObj = (<MeshSchema>this);
return MeshSchema._getCodeBase(thisObj, latlon, function(preMeshInfo:IMeshInfo, r:number,c:number){
let thisObj = (<MeshSchema>this);
//文字列化して0埋め
let code = ('00' + String(r)).slice(-2) + thisObj.splitString + ('00' + String(c)).slice(-2);
code = preMeshInfo.meshCode + thisObj.splitString + code;
return code;
});
};
//1次メッシュコードからメッシュ情報
let mesh1cd2mesh: (meshCode:string) => IMeshInfo =
function(meshCode: string): IMeshInfo {
//区切り文字を可能な限り排除
meshCode = meshCode.replace(/[-_.\s]/g, "");
Iif (meshCode.length !== 4)
throw Error("Invalid mesh code.");
let r = parseInt( meshCode.slice(0,2) );
let c = parseInt( meshCode.slice(2,4) );
let lat = (r * MeshSchema.MILLISECOND) / 1.5;
let lon = (c + 100.0) * MeshSchema.MILLISECOND;
return { meshCode: meshCode, latMs: lat, lonMs:lon };
};
//2次 3次メッシュコードからメッシュ情報
let mesh2_3cd2mesh: (meshCode:string) => IMeshInfo =
function(meshCode: string): IMeshInfo {
let thisObj = <MeshSchema>this;
//区切り文字を可能な限り排除
meshCode = meshCode.replace(/[-_.\s]/g, "");
Iif (meshCode.length !== thisObj.meshCodeLength)
throw Error("Invalid mesh code.");
var preInfo = thisObj.parent.meshCode2MeshInfo(meshCode.slice(0,thisObj.meshCodeLength - 2));
let r = parseInt( meshCode.slice(meshCode.length - 2, meshCode.length - 1) );
let c = parseInt( meshCode.slice(meshCode.length - 1, meshCode.length) );
return {
meshCode: preInfo.meshCode + thisObj.splitString + String(r) + String(c),
latMs: preInfo.latMs + (thisObj.heightMs * r),
lonMs: preInfo.lonMs + (thisObj.widthMs * c)
};
};
//4次から6次(と5倍)メッシュコードからメッシュ情報
let mesh4_6cd2mesh: (meshCode:string) => IMeshInfo =
function(meshCode: string): IMeshInfo {
let thisObj = <MeshSchema>this;
//区切り文字を可能な限り排除
meshCode = meshCode.replace(/[-_.\s]/g, "");
Iif (meshCode.length !== thisObj.meshCodeLength)
throw Error("Invalid mesh code.");
var preInfo = thisObj.parent.meshCode2MeshInfo(meshCode.slice(0,thisObj.meshCodeLength - 1));
let r:number,c:number;
let cd = parseInt(meshCode.slice(meshCode.length-1, meshCode.length));
//1 2は南
if (cd < 3){
r = 0;
} else {
r = 1;
}//end if
//2 4は東
if (cd % 2 == 0){
c = 1;
} else {
c = 0;
}//end if
return {
meshCode: preInfo.meshCode + thisObj.splitString + cd,
latMs: preInfo.latMs + (thisObj.heightMs * r),
lonMs: preInfo.lonMs + (thisObj.widthMs * c)
};
};//end method
//2倍地域メッシュ
let mesh3_2cd2mesh: (meshCode:string) => IMeshInfo =
function(meshCode: string): IMeshInfo {
let thisObj = <MeshSchema>this;
//区切り文字を可能な限り排除
meshCode = meshCode.replace(/[-_.\s]/g, "");
Iif (meshCode.length !== thisObj.meshCodeLength)
throw Error("Invalid mesh code.");
//末尾の5を落とす
let cd = meshCode.slice(0, meshCode.length -1);
var preInfo = thisObj.parent.meshCode2MeshInfo( cd.slice(0, cd.length - 2));
let r = parseInt( meshCode.slice( cd.length - 2, cd.length - 1) );
let c = parseInt( meshCode.slice( cd.length - 1, cd.length) );
let code = String(r) + String(c) + '5';
r = r / 2;
c = c / 2;
return {
meshCode: preInfo.meshCode + thisObj.splitString + code,
latMs: preInfo.latMs + (thisObj.heightMs * r),
lonMs: preInfo.lonMs + (thisObj.widthMs * c)
};
};
let mesh1 = new MeshSchema();
mesh1.label = "第1次地域区画(約80km四方)";
mesh1.widthMs = 1 * MeshSchema.MILLISECOND;
mesh1.heightMs = MeshSchema.MILLISECOND * (40 / 60);
mesh1.meshCodeLength = 4;
mesh1.getMeshCode = mesh1_getCode.bind(mesh1);
mesh1.meshCode2MeshInfo = mesh1cd2mesh.bind(mesh1);
let mesh2 = new MeshSchema(mesh1, 8);
mesh2.label = "第2次地域区画(約10km四方)";
mesh2.splitString = "-";
mesh2.meshCodeLength = 6;
mesh2.getMeshCode = mesh2_3_getCode.bind(mesh2);
mesh2.meshCode2MeshInfo = mesh2_3cd2mesh.bind(mesh2);
let mesh3_5 = new MeshSchema(mesh2, 2);
mesh3_5.label = "5倍地域メッシュ(約5km四方)";
mesh3_5.splitString = "-";
mesh3_5.meshCodeLength = 7;
mesh3_5.getMeshCode = mesh4_6_getCode.bind(mesh3_5);
mesh3_5.meshCode2MeshInfo = mesh4_6cd2mesh.bind(mesh3_5);
let mesh3_2 = new MeshSchema(mesh2, 5);
mesh3_2.label = "2倍地域メッシュ(約2km四方)";
mesh3_2.splitString = "-";
mesh3_2.meshCodeLength = 9;
mesh3_2.getMeshCode = mesh3_2_getCode.bind(mesh3_2);
mesh3_2.meshCode2MeshInfo = mesh3_2cd2mesh.bind(mesh3_2);
let mesh3 = new MeshSchema(mesh2, 10);
mesh3.label = "基準地域メッシュ(約1km四方)";
mesh3.splitString = "-";
mesh3.meshCodeLength = 8;
mesh3.getMeshCode = mesh2_3_getCode.bind(mesh3);
mesh3.meshCode2MeshInfo = mesh2_3cd2mesh.bind(mesh3);
let mesh4 = new MeshSchema(mesh3, 2);
mesh4.label = "2分の1地域メッシュ(約500m四方)";
mesh4.splitString = "-";
mesh4.meshCodeLength = 9;
mesh4.getMeshCode = mesh4_6_getCode.bind(mesh4);
mesh4.meshCode2MeshInfo = mesh4_6cd2mesh.bind(mesh4);
let mesh5 = new MeshSchema(mesh4, 2);
mesh5.label = "4分の1地域メッシュ(約250m四方)";
mesh5.splitString = "-";
mesh5.meshCodeLength = 10;
mesh5.getMeshCode = mesh4_6_getCode.bind(mesh5);
mesh5.meshCode2MeshInfo = mesh4_6cd2mesh.bind(mesh5);
let mesh6 = new MeshSchema(mesh5, 2);
mesh6.label = "8分の1地域メッシュ(約125m四方)";
mesh6.splitString = "-";
mesh6.meshCodeLength = 11;
mesh6.getMeshCode = mesh4_6_getCode.bind(mesh6);
mesh6.meshCode2MeshInfo = mesh4_6cd2mesh.bind(mesh6);
let mesh7 = new MeshSchema(mesh3, 10);
mesh7.label = "10分の1 細分区画(約100m四方)";
mesh7.splitString = "_";
mesh7.getMeshCode = mesh7_8_getCode.bind(mesh7);
let mesh8 = new MeshSchema(mesh3, 20);
mesh8.label = "20分の1 細分区画(約50m四方)";
mesh8.splitString = "_";
mesh8.getMeshCode = mesh7_8_getCode.bind(mesh8);
//定義の返却
return [
// 0 1 2 3 4 5 6 7 8 9
mesh1, mesh2, mesh3_5, mesh3_2, mesh3, mesh4, mesh5, mesh6, mesh7, mesh8
];
}//end method
/**
* メッシュコード取得用の標準処理定義
* @param thisObj メッシュスキーマ
* @param latlon 緯度経度
* @param getCoords メッシュコード取得処理
* @returns メッシュ情報
*/
private static _getCodeBase(thisObj:MeshSchema , latlon:[number,number] ,getCoords: (preMeshInfo:IMeshInfo, r:number, c:number)=> string): IMeshInfo {
let preMeshInfo = thisObj.parent.getMeshCode(latlon);
let latMs = latlon[0] * MeshSchema.MILLISECOND;
let lonMs = latlon[1] * MeshSchema.MILLISECOND;
let r:number = Math.floor((latMs- preMeshInfo.latMs) / thisObj.heightMs);
let c:number = Math.floor((lonMs - preMeshInfo.lonMs) / thisObj.widthMs);
let code:string = getCoords.bind(thisObj)(preMeshInfo,r,c);
let lat:number = preMeshInfo.latMs + (r * thisObj.heightMs);
let lon:number = preMeshInfo.lonMs + (c * thisObj.widthMs);
return { meshCode: code, latMs:lat, lonMs:lon };
}//end method
}//end class
}//end namespace |