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Overview
Comment: | The geopoly virtual table seems to be working. But only thinly tested so far. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | rtree-geopoly |
Files: | files | file ages | folders |
SHA3-256: |
4288f1ad5966701eac4cfe3061e8ce98 |
User & Date: | drh 2018-05-28 23:59:03.555 |
Context
2018-05-29
| ||
17:17 | Fix a problem in the geopoly json parser associated with spaces before a coordinate number. (check-in: 9d8d3af89a user: drh tags: rtree-geopoly) | |
2018-05-28
| ||
23:59 | The geopoly virtual table seems to be working. But only thinly tested so far. (check-in: 4288f1ad59 user: drh tags: rtree-geopoly) | |
13:23 | Untested incremental check-in. Add the geopoly_xform() function. Complete basic logic for the geopoly virtual table. (check-in: ed06cc3256 user: drh tags: rtree-geopoly) | |
Changes
Changes to ext/rtree/geopoly.c.
︙ | ︙ | |||
402 403 404 405 406 407 408 | ** ** For a translation: ** ** geopoly_xform(poly, 1, 0, 0, 1, x-offset, y-offset) ** ** Rotate by R around the point (0,0): ** | | | | 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 | ** ** For a translation: ** ** geopoly_xform(poly, 1, 0, 0, 1, x-offset, y-offset) ** ** Rotate by R around the point (0,0): ** ** geopoly_xform(poly, cos(R), sin(R), -sin(R), cos(R), 0, 0) */ static void geopolyXformFunc( sqlite3_context *context, int argc, sqlite3_value **argv ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); double A = sqlite3_value_double(argv[1]); double B = sqlite3_value_double(argv[2]); double C = sqlite3_value_double(argv[3]); double D = sqlite3_value_double(argv[4]); double E = sqlite3_value_double(argv[5]); double F = sqlite3_value_double(argv[6]); GeoCoord x1, y1, x0, y0; int ii; if( p ){ for(ii=0; ii<p->nVertex; ii++){ x0 = p->a[ii*2]; y0 = p->a[ii*2+1]; x1 = A*x0 + B*y0 + E; |
︙ | ︙ | |||
1013 1014 1015 1016 1017 1018 1019 | ** the r-tree table schema. */ pSql = sqlite3_str_new(db); sqlite3_str_appendf(pSql, "CREATE TABLE x(_shape"); pRtree->nAux = 1; /* Add one for _shape */ for(ii=3; ii<argc; ii++){ pRtree->nAux++; | | | 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 | ** the r-tree table schema. */ pSql = sqlite3_str_new(db); sqlite3_str_appendf(pSql, "CREATE TABLE x(_shape"); pRtree->nAux = 1; /* Add one for _shape */ for(ii=3; ii<argc; ii++){ pRtree->nAux++; sqlite3_str_appendf(pSql, ",%s", argv[ii]); } sqlite3_str_appendf(pSql, ",_bbox HIDDEN);"); zSql = sqlite3_str_finish(pSql); if( !zSql ){ rc = SQLITE_NOMEM; }else if( SQLITE_OK!=(rc = sqlite3_declare_vtab(db, zSql)) ){ *pzErr = sqlite3_mprintf("%s", sqlite3_errmsg(db)); |
︙ | ︙ | |||
1145 1146 1147 1148 1149 1150 1151 | return rc; } pCsr->aConstraint = p = sqlite3_malloc(sizeof(RtreeConstraint)*4); pCsr->nConstraint = 4; if( p==0 ){ rc = SQLITE_NOMEM; }else{ | | | | | | | | | | | 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 | return rc; } pCsr->aConstraint = p = sqlite3_malloc(sizeof(RtreeConstraint)*4); pCsr->nConstraint = 4; if( p==0 ){ rc = SQLITE_NOMEM; }else{ memset(pCsr->aConstraint, 0, sizeof(RtreeConstraint)*4); memset(pCsr->anQueue, 0, sizeof(u32)*(pRtree->iDepth + 1)); p->op = 'B'; p->iCoord = 0; p->u.rValue = bbox[1].f; p++; p->op = 'D'; p->iCoord = 1; p->u.rValue = bbox[0].f; p++; p->op = 'B'; p->iCoord = 2; p->u.rValue = bbox[3].f; p++; p->op = 'D'; p->iCoord = 3; p->u.rValue = bbox[2].f; } } if( rc==SQLITE_OK ){ RtreeSearchPoint *pNew; pNew = rtreeSearchPointNew(pCsr, RTREE_ZERO, (u8)(pRtree->iDepth+1)); if( pNew==0 ) return SQLITE_NOMEM; pNew->id = 1; |
︙ | ︙ | |||
1224 1225 1226 1227 1228 1229 1230 | pIdxInfo->estimatedCost = 30.0; pIdxInfo->estimatedRows = 1; pIdxInfo->idxFlags = SQLITE_INDEX_SCAN_UNIQUE; return SQLITE_OK; } if( iFuncTerm>=0 ){ pIdxInfo->idxNum = 2; | > | | 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 | pIdxInfo->estimatedCost = 30.0; pIdxInfo->estimatedRows = 1; pIdxInfo->idxFlags = SQLITE_INDEX_SCAN_UNIQUE; return SQLITE_OK; } if( iFuncTerm>=0 ){ pIdxInfo->idxNum = 2; pIdxInfo->aConstraintUsage[iFuncTerm].argvIndex = 1; pIdxInfo->aConstraintUsage[iFuncTerm].omit = 0; pIdxInfo->estimatedCost = 300.0; pIdxInfo->estimatedRows = 10; return SQLITE_OK; } pIdxInfo->idxNum = 3; pIdxInfo->estimatedCost = 3000000.0; pIdxInfo->estimatedRows = 100000; |
︙ | ︙ | |||
1266 1267 1268 1269 1270 1271 1272 | pCsr->bAuxValid = 1; }else{ sqlite3_reset(pCsr->pReadAux); if( rc==SQLITE_DONE ) rc = SQLITE_OK; return rc; } } | | < | 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 | pCsr->bAuxValid = 1; }else{ sqlite3_reset(pCsr->pReadAux); if( rc==SQLITE_DONE ) rc = SQLITE_OK; return rc; } } sqlite3_result_value(ctx, sqlite3_column_value(pCsr->pReadAux, i+2)); }else{ /* Must be the _bbox column */ } return SQLITE_OK; } |
︙ | ︙ | |||
1363 1364 1365 1366 1367 1368 1369 | } } /* If aData[0] is not an SQL NULL value, it is the rowid of a ** record to delete from the r-tree table. The following block does ** just that. */ | | > > > | | 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 | } } /* If aData[0] is not an SQL NULL value, it is the rowid of a ** record to delete from the r-tree table. The following block does ** just that. */ if( rc==SQLITE_OK && (nData==1 || (coordChange && oldRowidValid)) ){ rc = rtreeDeleteRowid(pRtree, oldRowid); } /* If the aData[] array contains more than one element, elements ** (aData[2]..aData[argc-1]) contain a new record to insert into ** the r-tree structure. */ if( rc==SQLITE_OK && nData>1 && coordChange ){ /* Insert the new record into the r-tree */ RtreeNode *pLeaf = 0; if( !newRowidValid ){ rc = rtreeNewRowid(pRtree, &cell.iRowid); } *pRowid = cell.iRowid; if( rc==SQLITE_OK ){ rc = ChooseLeaf(pRtree, &cell, 0, &pLeaf); } if( rc==SQLITE_OK ){ int rc2; pRtree->iReinsertHeight = -1; rc = rtreeInsertCell(pRtree, pLeaf, &cell, 0); rc2 = nodeRelease(pRtree, pLeaf); if( rc==SQLITE_OK ){ rc = rc2; } } } /* Change the data */ if( rc==SQLITE_OK ){ sqlite3_stmt *pUp = pRtree->pWriteAux; int jj; int nChange = 0; sqlite3_bind_int64(pUp, 1, cell.iRowid); for(jj=0; jj<pRtree->nAux; jj++){ if( !sqlite3_value_nochange(aData[jj+2]) ) nChange++; sqlite3_bind_value(pUp, jj+2, aData[jj+2]); } if( nChange ){ sqlite3_step(pUp); rc = sqlite3_reset(pUp); |
︙ | ︙ |
Changes to ext/rtree/rtree.c.
︙ | ︙ | |||
2889 2890 2891 2892 2893 2894 2895 | } return rc; } /* ** Select a currently unused rowid for a new r-tree record. */ | | | 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 | } return rc; } /* ** Select a currently unused rowid for a new r-tree record. */ static int rtreeNewRowid(Rtree *pRtree, i64 *piRowid){ int rc; sqlite3_bind_null(pRtree->pWriteRowid, 1); sqlite3_bind_null(pRtree->pWriteRowid, 2); sqlite3_step(pRtree->pWriteRowid); rc = sqlite3_reset(pRtree->pWriteRowid); *piRowid = sqlite3_last_insert_rowid(pRtree->db); return rc; |
︙ | ︙ | |||
3176 3177 3178 3179 3180 3181 3182 | */ if( rc==SQLITE_OK && nData>1 ){ /* Insert the new record into the r-tree */ RtreeNode *pLeaf = 0; /* Figure out the rowid of the new row. */ if( bHaveRowid==0 ){ | | | 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 | */ if( rc==SQLITE_OK && nData>1 ){ /* Insert the new record into the r-tree */ RtreeNode *pLeaf = 0; /* Figure out the rowid of the new row. */ if( bHaveRowid==0 ){ rc = rtreeNewRowid(pRtree, &cell.iRowid); } *pRowid = cell.iRowid; if( rc==SQLITE_OK ){ rc = ChooseLeaf(pRtree, &cell, 0, &pLeaf); } if( rc==SQLITE_OK ){ |
︙ | ︙ |
Added ext/rtree/visual01.txt.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 | #!sqlite3 # # This is a visual test case for the geopoly virtual table. # # Run this script in the sqlite3 CLI, and redirect output into an # HTML file. This display the HTML in a webbrowser. # /* Test data. ** Lots of shapes to be displayed over a 1000x800 canvas. */ CREATE TEMP TABLE basis(name TEXT, jshape TEXT); INSERT INTO basis(name,jshape) VALUES ('box-20','[[0,0],[20,0],[20,20],[0,20],[0,0]]'), ('house-70','[[0,0],[50,0],[50,50],[25,70],[0,50],[0,0]]'), ('line-40','[[0,0],[40,0],[40,5],[0,5],[0,0]]'), ('line-80','[[0,0],[80,0],[80,7],[0,7],[0,0]]'), ('arrow-50','[[0,0],[25,25],[0,50],[15,25],[0,0]]'), ('triangle-30','[[0,0],[30,0],[15,30],[0,0]]'), ('angle-30','[[0,0],[30,0],[30,30],[26,30],[26,4],[0,4],[0,0]]'), ('star-10','[[1,0],[5,2],[9,0],[7,4],[10,8],[7,7],[5,10],[3,7],[0,8],[3,4],[1,0]]'); CREATE TEMP TABLE xform(A,B,C,D,clr); INSERT INTO xform(A,B,clr) VALUES (1,0,'black'), (0.707,0.707,'blue'), (0.5,0.866,'red'), (-0.866,0.5,'green'); CREATE TEMP TABLE xyoff(id1,id2,xoff,yoff,PRIMARY KEY(id1,id2,xoff,yoff)) WITHOUT ROWID; INSERT INTO xyoff VALUES(1,1,811,659); INSERT INTO xyoff VALUES(1,1,235,550); INSERT INTO xyoff VALUES(1,1,481,620); INSERT INTO xyoff VALUES(1,1,106,494); INSERT INTO xyoff VALUES(1,1,487,106); INSERT INTO xyoff VALUES(1,1,817,595); INSERT INTO xyoff VALUES(1,1,240,504); INSERT INTO xyoff VALUES(1,1,806,457); INSERT INTO xyoff VALUES(1,1,608,107); INSERT INTO xyoff VALUES(1,1,768,662); INSERT INTO xyoff VALUES(1,2,808,528); INSERT INTO xyoff VALUES(1,2,768,528); INSERT INTO xyoff VALUES(1,2,771,171); INSERT INTO xyoff VALUES(1,2,275,671); INSERT INTO xyoff VALUES(1,2,326,336); INSERT INTO xyoff VALUES(1,2,690,688); INSERT INTO xyoff VALUES(1,2,597,239); INSERT INTO xyoff VALUES(1,2,317,528); INSERT INTO xyoff VALUES(1,2,366,223); INSERT INTO xyoff VALUES(1,2,621,154); INSERT INTO xyoff VALUES(1,3,829,469); INSERT INTO xyoff VALUES(1,3,794,322); INSERT INTO xyoff VALUES(1,3,358,387); INSERT INTO xyoff VALUES(1,3,184,444); INSERT INTO xyoff VALUES(1,3,729,500); INSERT INTO xyoff VALUES(1,3,333,523); INSERT INTO xyoff VALUES(1,3,117,595); INSERT INTO xyoff VALUES(1,3,496,201); INSERT INTO xyoff VALUES(1,3,818,601); INSERT INTO xyoff VALUES(1,3,541,343); INSERT INTO xyoff VALUES(1,4,603,248); INSERT INTO xyoff VALUES(1,4,761,649); INSERT INTO xyoff VALUES(1,4,611,181); INSERT INTO xyoff VALUES(1,4,607,233); INSERT INTO xyoff VALUES(1,4,860,206); INSERT INTO xyoff VALUES(1,4,310,231); INSERT INTO xyoff VALUES(1,4,727,539); INSERT INTO xyoff VALUES(1,4,660,661); INSERT INTO xyoff VALUES(1,4,403,133); INSERT INTO xyoff VALUES(1,4,619,331); INSERT INTO xyoff VALUES(2,1,712,578); INSERT INTO xyoff VALUES(2,1,567,313); INSERT INTO xyoff VALUES(2,1,231,423); INSERT INTO xyoff VALUES(2,1,490,175); INSERT INTO xyoff VALUES(2,1,898,353); INSERT INTO xyoff VALUES(2,1,589,483); INSERT INTO xyoff VALUES(2,1,188,462); INSERT INTO xyoff VALUES(2,1,720,106); INSERT INTO xyoff VALUES(2,1,793,380); INSERT INTO xyoff VALUES(2,1,154,396); INSERT INTO xyoff VALUES(2,2,324,218); INSERT INTO xyoff VALUES(2,2,120,327); INSERT INTO xyoff VALUES(2,2,655,133); INSERT INTO xyoff VALUES(2,2,516,603); INSERT INTO xyoff VALUES(2,2,529,572); INSERT INTO xyoff VALUES(2,2,481,212); INSERT INTO xyoff VALUES(2,2,802,107); INSERT INTO xyoff VALUES(2,2,234,509); INSERT INTO xyoff VALUES(2,2,501,269); INSERT INTO xyoff VALUES(2,2,349,553); INSERT INTO xyoff VALUES(2,3,495,685); INSERT INTO xyoff VALUES(2,3,897,372); INSERT INTO xyoff VALUES(2,3,350,681); INSERT INTO xyoff VALUES(2,3,832,257); INSERT INTO xyoff VALUES(2,3,778,149); INSERT INTO xyoff VALUES(2,3,683,426); INSERT INTO xyoff VALUES(2,3,693,217); INSERT INTO xyoff VALUES(2,3,746,317); INSERT INTO xyoff VALUES(2,3,805,369); INSERT INTO xyoff VALUES(2,3,336,585); INSERT INTO xyoff VALUES(2,4,890,255); INSERT INTO xyoff VALUES(2,4,556,565); INSERT INTO xyoff VALUES(2,4,865,555); INSERT INTO xyoff VALUES(2,4,230,293); INSERT INTO xyoff VALUES(2,4,247,251); INSERT INTO xyoff VALUES(2,4,730,563); INSERT INTO xyoff VALUES(2,4,318,282); INSERT INTO xyoff VALUES(2,4,220,431); INSERT INTO xyoff VALUES(2,4,828,336); INSERT INTO xyoff VALUES(2,4,278,525); INSERT INTO xyoff VALUES(3,1,324,656); INSERT INTO xyoff VALUES(3,1,625,362); INSERT INTO xyoff VALUES(3,1,155,570); INSERT INTO xyoff VALUES(3,1,267,433); INSERT INTO xyoff VALUES(3,1,599,121); INSERT INTO xyoff VALUES(3,1,873,498); INSERT INTO xyoff VALUES(3,1,789,520); INSERT INTO xyoff VALUES(3,1,656,378); INSERT INTO xyoff VALUES(3,1,831,601); INSERT INTO xyoff VALUES(3,1,256,471); INSERT INTO xyoff VALUES(3,2,332,258); INSERT INTO xyoff VALUES(3,2,305,463); INSERT INTO xyoff VALUES(3,2,796,341); INSERT INTO xyoff VALUES(3,2,830,229); INSERT INTO xyoff VALUES(3,2,413,271); INSERT INTO xyoff VALUES(3,2,269,140); INSERT INTO xyoff VALUES(3,2,628,441); INSERT INTO xyoff VALUES(3,2,747,643); INSERT INTO xyoff VALUES(3,2,584,435); INSERT INTO xyoff VALUES(3,2,784,314); INSERT INTO xyoff VALUES(3,3,722,233); INSERT INTO xyoff VALUES(3,3,815,421); INSERT INTO xyoff VALUES(3,3,401,267); INSERT INTO xyoff VALUES(3,3,451,650); INSERT INTO xyoff VALUES(3,3,329,485); INSERT INTO xyoff VALUES(3,3,878,370); INSERT INTO xyoff VALUES(3,3,162,616); INSERT INTO xyoff VALUES(3,3,844,183); INSERT INTO xyoff VALUES(3,3,161,216); INSERT INTO xyoff VALUES(3,3,176,676); INSERT INTO xyoff VALUES(3,4,780,128); INSERT INTO xyoff VALUES(3,4,566,121); INSERT INTO xyoff VALUES(3,4,646,120); INSERT INTO xyoff VALUES(3,4,223,557); INSERT INTO xyoff VALUES(3,4,251,117); INSERT INTO xyoff VALUES(3,4,139,209); INSERT INTO xyoff VALUES(3,4,813,597); INSERT INTO xyoff VALUES(3,4,454,538); INSERT INTO xyoff VALUES(3,4,616,198); INSERT INTO xyoff VALUES(3,4,210,159); INSERT INTO xyoff VALUES(4,1,208,415); INSERT INTO xyoff VALUES(4,1,326,665); INSERT INTO xyoff VALUES(4,1,612,133); INSERT INTO xyoff VALUES(4,1,537,513); INSERT INTO xyoff VALUES(4,1,638,438); INSERT INTO xyoff VALUES(4,1,808,269); INSERT INTO xyoff VALUES(4,1,552,121); INSERT INTO xyoff VALUES(4,1,100,189); INSERT INTO xyoff VALUES(4,1,643,664); INSERT INTO xyoff VALUES(4,1,726,378); INSERT INTO xyoff VALUES(4,2,478,409); INSERT INTO xyoff VALUES(4,2,497,507); INSERT INTO xyoff VALUES(4,2,233,148); INSERT INTO xyoff VALUES(4,2,587,237); INSERT INTO xyoff VALUES(4,2,604,166); INSERT INTO xyoff VALUES(4,2,165,455); INSERT INTO xyoff VALUES(4,2,320,258); INSERT INTO xyoff VALUES(4,2,353,496); INSERT INTO xyoff VALUES(4,2,347,495); INSERT INTO xyoff VALUES(4,2,166,622); INSERT INTO xyoff VALUES(4,3,461,332); INSERT INTO xyoff VALUES(4,3,685,278); INSERT INTO xyoff VALUES(4,3,427,594); INSERT INTO xyoff VALUES(4,3,467,346); INSERT INTO xyoff VALUES(4,3,125,548); INSERT INTO xyoff VALUES(4,3,597,680); INSERT INTO xyoff VALUES(4,3,820,445); INSERT INTO xyoff VALUES(4,3,144,330); INSERT INTO xyoff VALUES(4,3,557,434); INSERT INTO xyoff VALUES(4,3,254,315); INSERT INTO xyoff VALUES(4,4,157,339); INSERT INTO xyoff VALUES(4,4,249,220); INSERT INTO xyoff VALUES(4,4,391,323); INSERT INTO xyoff VALUES(4,4,589,429); INSERT INTO xyoff VALUES(4,4,859,592); INSERT INTO xyoff VALUES(4,4,337,680); INSERT INTO xyoff VALUES(4,4,410,288); INSERT INTO xyoff VALUES(4,4,636,596); INSERT INTO xyoff VALUES(4,4,734,433); INSERT INTO xyoff VALUES(4,4,559,549); INSERT INTO xyoff VALUES(5,1,549,607); INSERT INTO xyoff VALUES(5,1,584,498); INSERT INTO xyoff VALUES(5,1,699,116); INSERT INTO xyoff VALUES(5,1,525,524); INSERT INTO xyoff VALUES(5,1,304,667); INSERT INTO xyoff VALUES(5,1,302,232); INSERT INTO xyoff VALUES(5,1,403,149); INSERT INTO xyoff VALUES(5,1,824,403); INSERT INTO xyoff VALUES(5,1,697,203); INSERT INTO xyoff VALUES(5,1,293,689); INSERT INTO xyoff VALUES(5,2,199,275); INSERT INTO xyoff VALUES(5,2,395,393); INSERT INTO xyoff VALUES(5,2,657,642); INSERT INTO xyoff VALUES(5,2,200,655); INSERT INTO xyoff VALUES(5,2,882,234); INSERT INTO xyoff VALUES(5,2,483,565); INSERT INTO xyoff VALUES(5,2,755,640); INSERT INTO xyoff VALUES(5,2,810,305); INSERT INTO xyoff VALUES(5,2,731,655); INSERT INTO xyoff VALUES(5,2,466,690); INSERT INTO xyoff VALUES(5,3,563,584); INSERT INTO xyoff VALUES(5,3,491,117); INSERT INTO xyoff VALUES(5,3,779,292); INSERT INTO xyoff VALUES(5,3,375,637); INSERT INTO xyoff VALUES(5,3,253,553); INSERT INTO xyoff VALUES(5,3,797,514); INSERT INTO xyoff VALUES(5,3,229,480); INSERT INTO xyoff VALUES(5,3,257,194); INSERT INTO xyoff VALUES(5,3,449,555); INSERT INTO xyoff VALUES(5,3,849,630); INSERT INTO xyoff VALUES(5,4,329,286); INSERT INTO xyoff VALUES(5,4,640,197); INSERT INTO xyoff VALUES(5,4,104,150); INSERT INTO xyoff VALUES(5,4,438,272); INSERT INTO xyoff VALUES(5,4,773,226); INSERT INTO xyoff VALUES(5,4,441,650); INSERT INTO xyoff VALUES(5,4,242,340); INSERT INTO xyoff VALUES(5,4,301,435); INSERT INTO xyoff VALUES(5,4,171,397); INSERT INTO xyoff VALUES(5,4,541,619); INSERT INTO xyoff VALUES(6,1,651,301); INSERT INTO xyoff VALUES(6,1,637,137); INSERT INTO xyoff VALUES(6,1,765,643); INSERT INTO xyoff VALUES(6,1,173,296); INSERT INTO xyoff VALUES(6,1,263,192); INSERT INTO xyoff VALUES(6,1,791,302); INSERT INTO xyoff VALUES(6,1,860,601); INSERT INTO xyoff VALUES(6,1,780,445); INSERT INTO xyoff VALUES(6,1,462,214); INSERT INTO xyoff VALUES(6,1,802,207); INSERT INTO xyoff VALUES(6,2,811,685); INSERT INTO xyoff VALUES(6,2,533,531); INSERT INTO xyoff VALUES(6,2,390,614); INSERT INTO xyoff VALUES(6,2,260,580); INSERT INTO xyoff VALUES(6,2,116,377); INSERT INTO xyoff VALUES(6,2,860,458); INSERT INTO xyoff VALUES(6,2,438,590); INSERT INTO xyoff VALUES(6,2,604,562); INSERT INTO xyoff VALUES(6,2,241,242); INSERT INTO xyoff VALUES(6,2,667,298); INSERT INTO xyoff VALUES(6,3,787,698); INSERT INTO xyoff VALUES(6,3,868,521); INSERT INTO xyoff VALUES(6,3,412,587); INSERT INTO xyoff VALUES(6,3,640,131); INSERT INTO xyoff VALUES(6,3,748,410); INSERT INTO xyoff VALUES(6,3,257,244); INSERT INTO xyoff VALUES(6,3,411,195); INSERT INTO xyoff VALUES(6,3,464,356); INSERT INTO xyoff VALUES(6,3,157,339); INSERT INTO xyoff VALUES(6,3,434,505); INSERT INTO xyoff VALUES(6,4,480,671); INSERT INTO xyoff VALUES(6,4,519,228); INSERT INTO xyoff VALUES(6,4,404,513); INSERT INTO xyoff VALUES(6,4,120,538); INSERT INTO xyoff VALUES(6,4,403,663); INSERT INTO xyoff VALUES(6,4,477,677); INSERT INTO xyoff VALUES(6,4,690,154); INSERT INTO xyoff VALUES(6,4,606,498); INSERT INTO xyoff VALUES(6,4,430,665); INSERT INTO xyoff VALUES(6,4,499,273); INSERT INTO xyoff VALUES(7,1,118,526); INSERT INTO xyoff VALUES(7,1,817,522); INSERT INTO xyoff VALUES(7,1,388,638); INSERT INTO xyoff VALUES(7,1,181,265); INSERT INTO xyoff VALUES(7,1,442,332); INSERT INTO xyoff VALUES(7,1,475,282); INSERT INTO xyoff VALUES(7,1,722,633); INSERT INTO xyoff VALUES(7,1,104,394); INSERT INTO xyoff VALUES(7,1,631,262); INSERT INTO xyoff VALUES(7,1,372,392); INSERT INTO xyoff VALUES(7,2,600,413); INSERT INTO xyoff VALUES(7,2,386,223); INSERT INTO xyoff VALUES(7,2,839,174); INSERT INTO xyoff VALUES(7,2,293,410); INSERT INTO xyoff VALUES(7,2,281,391); INSERT INTO xyoff VALUES(7,2,859,387); INSERT INTO xyoff VALUES(7,2,478,347); INSERT INTO xyoff VALUES(7,2,646,690); INSERT INTO xyoff VALUES(7,2,713,234); INSERT INTO xyoff VALUES(7,2,199,588); INSERT INTO xyoff VALUES(7,3,389,256); INSERT INTO xyoff VALUES(7,3,349,542); INSERT INTO xyoff VALUES(7,3,363,345); INSERT INTO xyoff VALUES(7,3,751,302); INSERT INTO xyoff VALUES(7,3,423,386); INSERT INTO xyoff VALUES(7,3,267,444); INSERT INTO xyoff VALUES(7,3,243,182); INSERT INTO xyoff VALUES(7,3,453,658); INSERT INTO xyoff VALUES(7,3,126,345); INSERT INTO xyoff VALUES(7,3,120,472); INSERT INTO xyoff VALUES(7,4,359,654); INSERT INTO xyoff VALUES(7,4,339,516); INSERT INTO xyoff VALUES(7,4,710,452); INSERT INTO xyoff VALUES(7,4,810,560); INSERT INTO xyoff VALUES(7,4,644,692); INSERT INTO xyoff VALUES(7,4,826,327); INSERT INTO xyoff VALUES(7,4,465,462); INSERT INTO xyoff VALUES(7,4,310,456); INSERT INTO xyoff VALUES(7,4,577,613); INSERT INTO xyoff VALUES(7,4,502,555); INSERT INTO xyoff VALUES(8,1,601,620); INSERT INTO xyoff VALUES(8,1,372,683); INSERT INTO xyoff VALUES(8,1,758,399); INSERT INTO xyoff VALUES(8,1,485,552); INSERT INTO xyoff VALUES(8,1,159,563); INSERT INTO xyoff VALUES(8,1,536,303); INSERT INTO xyoff VALUES(8,1,122,263); INSERT INTO xyoff VALUES(8,1,836,435); INSERT INTO xyoff VALUES(8,1,544,146); INSERT INTO xyoff VALUES(8,1,270,277); INSERT INTO xyoff VALUES(8,2,849,281); INSERT INTO xyoff VALUES(8,2,563,242); INSERT INTO xyoff VALUES(8,2,704,463); INSERT INTO xyoff VALUES(8,2,102,165); INSERT INTO xyoff VALUES(8,2,797,524); INSERT INTO xyoff VALUES(8,2,612,426); INSERT INTO xyoff VALUES(8,2,345,372); INSERT INTO xyoff VALUES(8,2,820,376); INSERT INTO xyoff VALUES(8,2,789,156); INSERT INTO xyoff VALUES(8,2,321,466); INSERT INTO xyoff VALUES(8,3,150,332); INSERT INTO xyoff VALUES(8,3,136,152); INSERT INTO xyoff VALUES(8,3,468,528); INSERT INTO xyoff VALUES(8,3,409,192); INSERT INTO xyoff VALUES(8,3,820,216); INSERT INTO xyoff VALUES(8,3,847,249); INSERT INTO xyoff VALUES(8,3,801,267); INSERT INTO xyoff VALUES(8,3,181,670); INSERT INTO xyoff VALUES(8,3,398,563); INSERT INTO xyoff VALUES(8,3,439,576); INSERT INTO xyoff VALUES(8,4,123,309); INSERT INTO xyoff VALUES(8,4,190,496); INSERT INTO xyoff VALUES(8,4,571,531); INSERT INTO xyoff VALUES(8,4,290,255); INSERT INTO xyoff VALUES(8,4,244,412); INSERT INTO xyoff VALUES(8,4,264,596); INSERT INTO xyoff VALUES(8,4,253,420); INSERT INTO xyoff VALUES(8,4,847,536); INSERT INTO xyoff VALUES(8,4,120,288); INSERT INTO xyoff VALUES(8,4,331,639); /* Create the geopoly object from test data above */ CREATE VIRTUAL TABLE geo1 USING geopoly(type,clr); INSERT INTO geo1(_shape,type,clr) SELECT geopoly_xform(jshape,A,B,-B,A,xoff,yoff), basis.name, xform.clr FROM basis, xform, xyoff WHERE xyoff.id1=basis.rowid AND xyoff.id2=xform.rowid; /* Query polygon */ CREATE TEMP TABLE querypoly(poly JSON, clr TEXT); INSERT INTO querypoly(clr, poly) VALUES ('orange', '[[300,300],[400,350],[500,250],[480,500],[400,480],[300,550],[280,450],[320,400],[280,350],[300,300]]'); /* Generate the HTML */ .print '<html>' .print '<h1>Everything</h1>' .print '<svg width="1000" height="800" style="border:1px solid black">' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',clr) ) FROM geo1; SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; .print '</svg>' .print '<h1>Query</h1>' .print '<svg width="1000" height="800" style="border:1px solid black">' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ) FROM geo1, querypoly WHERE geopoly_overlap(_shape, poly); SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; .print '</svg>' .print '</html>' |