iClient-JavaScript/test/openlayers/overlay/LabelSpec.js at master · feiman/iClient-JavaScript

History

472 lines (451 loc) · 18.6 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

import {Label} from '../../../src/openlayers/overlay/Label';

import {ThemeFeature} from '../../../src/openlayers/overlay/theme/ThemeFeature';

import {TileSuperMapRest} from '../../../src/openlayers/mapping/TileSuperMapRest';

import {ThemeStyle} from '../../../src/common/style/ThemeStyle';

import {Bounds} from '../../../src/common/commontypes/Bounds';

import '../../resources/themeLabelData';

import Map from 'ol/Map';

import View from 'ol/View';

import TileLayer from 'ol/layer/Tile';

import ImageLayer from 'ol/layer/Image';

var url = GlobeParameter.China4326URL;

var themeSource;

var addFeatures = () => {

var labelFeatures = [];

var feat;

for (var i = 0; i < themeData.length; i++) {

var lonlat = themeData[i].lonLat.split(",");

var lng = parseFloat(lonlat[0]);

var lat = parseFloat(lonlat[1]);

var text = themeData[i].aqi;

feat = new ThemeFeature([lng, lat, text], themeData[i]);

labelFeatures.push(feat);

}

themeSource.addFeatures(labelFeatures);

}

describe('openlayers_Label', () => {

var originalTimeout;

var testDiv, map;

beforeAll(() => {

testDiv = window.document.createElement("div");

testDiv.setAttribute("id", "map");

testDiv.style.styleFloat = "left";

testDiv.style.marginLeft = "8px";

testDiv.style.marginTop = "50px";

testDiv.style.width = "500px";

testDiv.style.height = "500px";

window.document.body.appendChild(testDiv);

map = new Map({

target: 'map',

view: new View({

center: [110.85, 39.79],

zoom: 4,

projection: "EPSG:4326"

})

});

var layer = new TileLayer({

source: new TileSuperMapRest({

url: url

})

});

map.addLayer(layer);

});

beforeEach(() => {

originalTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL;

jasmine.DEFAULT_TIMEOUT_INTERVAL = 50000;

themeSource = new Label("labelThemeLayer", {

map: map,

attributions: " ",

style: new ThemeStyle({

labelRect: true,

fontColor: "#000000",

fontWeight: "bolder",

fontSize: "18px",

fill: true,

fillColor: "#FFFFFF",

fillOpacity: 1,

stroke: false,

strokeColor: "#8B7B8B"

}),

themeField: "aqi",

styleGroups: [

{

start: 0,

end: 51,

style: {

fillColor: "#6ACD06",

fontSize: "10px"

}

}, {

start: 51,

end: 101,

style: {

fillColor: "#FBD12A",

fontSize: "19px"

}

}, {

start: 101,

end: 151,

style: {

fillColor: "#FE8800",

fontSize: "22px"

}

}, {

start: 151,

end: 201,

style: {

fillColor: "#FF0000",

fontSize: "24px"

}

}, {

start: 201,

end: 301,

style: {

fillColor: "#CC0000",

fontSize: "26px"

}

}, {

start: 301,

end: 601,

style: {

fillColor: "#960453",

fontSize: "28px"

}

]

});

themeSource.style.fontSize = "10px";

themeSource.groupField = "aqi";

var themeLayer = new ImageLayer({

source: themeSource

});

map.addLayer(themeLayer);

});

afterEach(() => {

jasmine.DEFAULT_TIMEOUT_INTERVAL = originalTimeout;

});

afterAll(() => {

window.document.body.removeChild(testDiv);

});

it('constructor, destroy', () => {

expect(themeSource).not.toBeNull();

expect(themeSource.defaultStyle).not.toBeNull();

//此时还没有添加features所以长度应该为0

expect(themeSource.features.length).toEqual(0);

expect(themeSource.themeField).toEqual("aqi");

expect(themeSource.style).not.toBeNull();

expect(themeSource.styleGroups.length).toEqual(6);

themeSource.destroy();

expect(themeSource.style).toBeNull();

expect(themeSource.themeField).toBeNull();

expect(themeSource.styleGroups).toBeNull();

});

//创建专题要素

it('createThematicFeature', (done) => {

addFeatures();

setTimeout(() => {

var feature = themeSource.labelFeatures[0];

var thematicFeature = themeSource.createThematicFeature(feature);

expect(themeSource.features.length).toBeGreaterThan(0);

expect(thematicFeature).not.toBeNull();

expect(thematicFeature.CLASS_NAME).toEqual("SuperMap.Feature.Theme.Vector");

expect(thematicFeature.dataBounds).not.toBeNull();

expect(thematicFeature.id).not.toBeNull();

expect(thematicFeature.style).not.toBeNull();

done();

}, 2000);

});

//重绘所有专题要素

it('redrawThematicFeatures', (done) => {

addFeatures();

setTimeout(() => {

var bounds = [-180, -90, 90, 180];

themeSource.redrawThematicFeatures(bounds);

expect(themeSource).not.toBeNull();

expect(themeSource.defaultStyle).not.toBeNull();

expect(themeSource.features.length).toBeGreaterThan(0);

expect(themeSource.themeField).toEqual("aqi");

expect(themeSource.style).not.toBeNull();

expect(themeSource.styleGroups.length).toEqual(6);

done();

}, 2000);

});

//获取经（压盖）处理后将要绘制在图层上的标签要素

it('getDrawnLabels', (done) => {

addFeatures();

setTimeout(() => {

var labelFeatures = themeSource.labelFeatures;

labelFeatures[0].style.minZoomLevel = 4;

var feas = themeSource.getDrawnLabels(labelFeatures);

expect(feas).not.toBeNull();

expect(feas.length).toBeGreaterThan(0);

for (var i = 0; i < feas.length; i++) {

expect(feas[i].CLASS_NAME).toEqual("SuperMap.Feature.Vector");

expect(feas[i].attributes).not.toBeNull();

expect(feas[i].geometry).not.toBeNull();

expect(feas[i].geometry.CLASS_NAME).toEqual("SuperMap.Geometry.GeoText");

expect(feas[i].geometry.bounds).not.toBeNull();

expect(feas[i].geometry.id).not.toBeNull();

expect(feas[i].style).not.toBeNull();

expect(feas[i].id).toContain("SuperMap.Feature_");

done();

}

}, 2000)

});

//根据用户数据（feature）设置专题要素的 Style

it('getStyleByData', (done) => {

addFeatures();

setTimeout(() => {

var feat = themeSource.labelFeatures[0];

var featStyle = themeSource.getStyleByData(feat);

expect(featStyle).not.toBeNull();

expect(featStyle.fillColor).toEqual("#6ACD06");

expect(featStyle.fontSize).toEqual("12px");

expect(featStyle.label).toEqual(13);

expect(featStyle.strokeColor).toEqual("#8B7B8B");

done();

}, 2000)

});

//设置标签要素的Style

it('setLabelsStyle', (done) => {

addFeatures();

setTimeout(() => {

var labelFeatures = themeSource.labelFeatures;

var labelFeas = themeSource.setLabelsStyle(labelFeatures);

expect(labelFeas).not.toBeNull();

expect(labelFeas.length).toBeGreaterThan(0);

for (var i = 0; i < labelFeas.length; i++) {

expect(labelFeas[i].CLASS_NAME).toEqual("SuperMap.Feature.Vector");

expect(labelFeas[i].attributes).not.toBeNull();

expect(labelFeas[i].geometry).not.toBeNull();

expect(labelFeas[i].geometry.CLASS_NAME).toEqual("SuperMap.Geometry.GeoText");

expect(labelFeas[i].geometry.id).not.toBeNull();

expect(labelFeas[i].style).not.toBeNull();

expect(labelFeas[i].id).toContain("SuperMap.Feature_");

}

done();

}, 2000)

});

//设置标签要素的Style

it('setStyle', (done) => {

addFeatures();

setTimeout(() => {

var feat = themeSource.labelFeatures[0];

var feature = themeSource.setStyle(feat);

expect(feature).not.toBeNull();

expect(feature.CLASS_NAME).toEqual("SuperMap.Feature.Vector");

expect(feature.attributes.aqi).toEqual(13);

expect(feature.attributes.area).toEqual("山南");

expect(feature.id).toContain("SuperMap.Feature_");

expect(feature.geometry.CLASS_NAME).toEqual("SuperMap.Geometry.GeoText");

expect(feature.geometry.bounds).not.toBeNull();

expect(feature.style).not.toBeNull();

done();

}, 2000)

});

//获取标签要素的像素坐标

it('getLabelPxLocation', (done) => {

addFeatures();

setTimeout(() => {

var feature = themeSource.labelFeatures[0];

feature.style.labelXOffset = 1;

feature.style.labelYOffset = 1;

var location = themeSource.getLabelPxLocation(feature);

expect(location).not.toBeNull();

expect(location.x).toEqual(33.691771733333326);

expect(location.y).toEqual(369.16040391111113);

done();

}, 2000)

});

//获得标签要素的最终范围默认getPxBoundsMode = 0

it('calculateLabelBounds_getPxBoundsMode = 0', (done) => {

addFeatures();

setTimeout(() => {

var feature = themeSource.labelFeatures[0];

var location = themeSource.getLabelPxLocation(feature);

var boundsQuad = themeSource.calculateLabelBounds(feature, location);

expect(boundsQuad).not.toBeNull();

expect(boundsQuad.length).toEqual(5);

for (var i = 0; i < boundsQuad.length; i++) {

expect(boundsQuad[i].x).not.toBeNaN();

expect(boundsQuad[i].y).not.toBeNaN();

}

done()

}, 2000)

});

//获得标签要素的最终范围 getPxBoundsMode = 1

it('calculateLabelBounds_getPxBoundsMode = 1', (done) => {

addFeatures();

setTimeout(() => {

themeSource.getPxBoundsMode = 1;

var feature = themeSource.labelFeatures[0];

feature.style.labelXOffset = 1;

feature.style.labelYOffset = 1;

var location = themeSource.getLabelPxLocation(feature);

var boundsQuad = themeSource.calculateLabelBounds(feature, location);

expect(boundsQuad).not.toBeNull();

expect(boundsQuad.length).toEqual(5);

for (var i = 0; i < boundsQuad.length; i++) {

expect(boundsQuad[i].x).not.toBeNaN();

expect(boundsQuad[i].y).not.toBeNaN();

}

done();

}, 2000)

});

//获得标签要素的最终范围的另一种算法

it('calculateLabelBounds2', (done) => {

addFeatures();

setTimeout(() => {

var feature = themeSource.labelFeatures[0];

var location = themeSource.getLabelPxLocation(feature);

feature.style.fontStyle = "italic";

feature.style.labelAlign = "lt";

var boundsQuad_lt = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_lt).not.toBeNull();

expect(boundsQuad_lt.length).toEqual(5);

for (var i = 0; i < boundsQuad_lt.length; i++) {

expect(boundsQuad_lt[i].x).not.toBeNaN();

expect(boundsQuad_lt[i].y).not.toBeNaN();

}

feature.style.labelAlign = "lm";

var boundsQuad_lm = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_lm).not.toBeNull();

expect(boundsQuad_lm.length).toEqual(5);

for (var i = 0; i < boundsQuad_lm.length; i++) {

expect(boundsQuad_lm[i].x).not.toBeNaN();

expect(boundsQuad_lm[i].y).not.toBeNaN();

}

feature.style.labelAlign = "lb";

var boundsQuad_lb = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_lb).not.toBeNull();

expect(boundsQuad_lb.length).toEqual(5);

for (var i = 0; i < boundsQuad_lb.length; i++) {

expect(boundsQuad_lb[i].x).not.toBeNaN();

expect(boundsQuad_lb[i].y).not.toBeNaN();

}

feature.style.labelAlign = "ct";

var boundsQuad_ct = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_ct).not.toBeNull();

expect(boundsQuad_ct.length).toEqual(5);

for (var i = 0; i < boundsQuad_ct.length; i++) {

expect(boundsQuad_ct[i].x).not.toBeNaN();

expect(boundsQuad_ct[i].y).not.toBeNaN();

}

feature.style.labelAlign = "cb";

var boundsQuad_cb = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_cb).not.toBeNull();

expect(boundsQuad_cb.length).toEqual(5);

for (var i = 0; i < boundsQuad_cb.length; i++) {

expect(boundsQuad_cb[i].x).not.toBeNaN();

expect(boundsQuad_cb[i].y).not.toBeNaN();

}

feature.style.labelAlign = "rt";

var boundsQuad_rt = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_rt).not.toBeNull();

expect(boundsQuad_rt.length).toEqual(5);

for (var i = 0; i < boundsQuad_rt.length; i++) {

expect(boundsQuad_rt[i].x).not.toBeNaN();

expect(boundsQuad_rt[i].y).not.toBeNaN();

}

feature.style.labelAlign = "rm";

var boundsQuad_rm = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_rm).not.toBeNull();

expect(boundsQuad_rm.length).toEqual(5);

for (var i = 0; i < boundsQuad_rm.length; i++) {

expect(boundsQuad_rm[i].x).not.toBeNaN();

expect(boundsQuad_rm[i].y).not.toBeNaN();

}

feature.style.labelAlign = "rb";

var boundsQuad_rb = themeSource.calculateLabelBounds2(feature, location);

expect(boundsQuad_rb).not.toBeNull();

expect(boundsQuad_rb.length).toEqual(5);

for (var i = 0; i < boundsQuad_rb.length; i++) {

expect(boundsQuad_rb[i].x).not.toBeNaN();

expect(boundsQuad_rb[i].y).not.toBeNaN();

}

done();

}, 2000);

});

//根据当前位置获取绘制后的标签信息，包括标签的宽，高和行数等

it('getLabelInfo', (done) => {

addFeatures();

setTimeout(() => {

var feature = themeSource.labelFeatures[0];

var location = feature.geometry.getCentroid();

var style = feature.style;

var labelInfo = themeSource.getLabelInfo(location, style);

expect(labelInfo).not.toBeNull();

expect(labelInfo.h).toEqual("12px");

expect(labelInfo.rows).toEqual(1);

expect(labelInfo.w).not.toBeNull();

done();

}, 2000)

});

//旋转bounds

it('rotationBounds', (done) => {

addFeatures();

setTimeout(() => {

var feature = themeSource.labelFeatures[0];

var bounds = new Bounds(50, 30, 30, 50);

var rotationCenterPoi = themeSource.getLabelPxLocation(feature);

var angle = feature.style.labelRotation;

var boundsQuad = themeSource.rotationBounds(bounds, rotationCenterPoi, angle);

expect(boundsQuad).not.toBeNull();

expect(boundsQuad.length).toEqual(5);

for (var i = 0; i < boundsQuad.length; i++) {

expect(boundsQuad[i].x).not.toBeNaN();

expect(boundsQuad[i].y).not.toBeNaN();

}

done();

}, 2000);

});

//获取一个点绕旋转中心顺时针旋转后的位置 (此方法用于屏幕坐标)

it('getRotatedLocation', () => {

var x = 10, y = 10, rx = 15, ry = 10, angle = 5;

var location = themeSource.getRotatedLocation(x, y, rx, ry, angle);

expect(location).not.toBeNull();

expect(location.x).toEqual(10.019026509541273);

expect(location.y).toEqual(9.56422128626171);

});

//获取避让的信息 quadrilateral.length = 5

it('getAvoidInfo_quadrilateral.length = 5', () => {

var bounds = new Bounds(35, 40, 40, 45);

var quadrilateral = [{"x": 30, "y": 30},

{"x": 30, "y": 50},

{"x": 50, "y": 30},

{"x": 50, "y": 50},

{"x": 30, "y": 30}];

var avoidInfo = themeSource.getAvoidInfo(bounds, quadrilateral);

expect(avoidInfo).not.toBeNull();

expect(avoidInfo.aspectH).toEqual("top");

expect(avoidInfo.aspectW).toEqual("right");

expect(avoidInfo.offsetX).toEqual(10);

expect(avoidInfo.offsetY).toEqual(15);

});

// 获取避让的信息 quadrilateral.length != 5

it('getAvoidInfo_quadrilateral.length != 5', () => {

var bounds = new Bounds(35, 40, 40, 45);

var quadrilateral = [{"x": 30, "y": 30},

{"x": 30, "y": 50},

{"x": 50, "y": 30},

{"x": 30, "y": 30}];

var avoidInfo = themeSource.getAvoidInfo(bounds, quadrilateral);

expect(avoidInfo).toBeNull();

});

//判断两个四边形是否有压盖原数据quadLen = 5 && quad2Len = 5，此处另测！= 5 的情况

it('isQuadrilateralOverLap_quadLen != 5', () => {

var quadrilateral = [{"x": 30, "y": 30},

{"x": 30, "y": 50},

{"x": 50, "y": 30},

{"x": 30, "y": 30}];

var quadrilateral2 = [

{"x": 25, "y": 35},

{"x": 25, "y": 55},

{"x": 45, "y": 35},

{"x": 25, "y": 35}

];

var overLap = themeSource.isQuadrilateralOverLap(quadrilateral, quadrilateral2);

expect(overLap).toBeNull();

});

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

FilesExpand file tree

LabelSpec.js

Latest commit

History

LabelSpec.js

File metadata and controls