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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636
|
# SOME DESCRIPTIVE TITLE.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: http://bugs.kde.org\n"
"POT-Creation-Date: 2012-09-14 17:50+0000\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <kde-i18n-doc@kde.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#. Tag: title
#: reference_lrs.xml:3
#, no-c-format
msgid "Linear Referencing"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:7
#, no-c-format
msgid "ST_Line_Interpolate_Point"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:9
#, no-c-format
msgid "Returns a point interpolated along a line. Second argument is a float8 between 0 and 1 representing fraction of total length of linestring the point has to be located."
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:15
#, no-c-format
msgid "<funcdef>geometry <function>ST_Line_Interpolate_Point</function></funcdef> <paramdef><type>geometry </type> <parameter>a_linestring</parameter></paramdef> <paramdef><type>float </type> <parameter>a_fraction</parameter></paramdef>"
msgstr ""
#. Tag: title
#: reference_lrs.xml:24 reference_lrs.xml:85 reference_lrs.xml:136 reference_lrs.xml:202 reference_lrs.xml:260 reference_lrs.xml:311 reference_lrs.xml:356 reference_lrs.xml:400
#, no-c-format
msgid "Description"
msgstr ""
#. Tag: para
#: reference_lrs.xml:26
#, no-c-format
msgid "Returns a point interpolated along a line. First argument must be a LINESTRING. Second argument is a float8 between 0 and 1 representing fraction of total linestring length the point has to be located."
msgstr ""
#. Tag: para
#: reference_lrs.xml:30 reference_lrs.xml:147
#, no-c-format
msgid "See <xref linkend=\"ST_Line_Locate_Point\"/> for computing the line location nearest to a Point."
msgstr ""
#. Tag: para
#: reference_lrs.xml:34
#, no-c-format
msgid "Since release 1.1.1 this function also interpolates M and Z values (when present), while prior releases set them to 0.0."
msgstr ""
#. Tag: para
#: reference_lrs.xml:38
#, no-c-format
msgid "Availability: 0.8.2, Z and M supported added in 1.1.1"
msgstr ""
#. Tag: para
#: reference_lrs.xml:39 reference_lrs.xml:157 reference_lrs.xml:319 reference_lrs.xml:362 reference_lrs.xml:406
#, no-c-format
msgid "&Z_support;"
msgstr ""
#. Tag: title
#: reference_lrs.xml:44 reference_lrs.xml:101 reference_lrs.xml:161 reference_lrs.xml:225 reference_lrs.xml:276 reference_lrs.xml:323 reference_lrs.xml:366 reference_lrs.xml:410
#, no-c-format
msgid "Examples"
msgstr ""
#. Tag: para
#: reference_lrs.xml:50
#, no-c-format
msgid "A linestring with the interpolated point at 20% position (0.20)"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:53
#, no-c-format
msgid ""
"--Return point 20% along 2d line\n"
"SELECT ST_AsEWKT(ST_Line_Interpolate_Point(the_line, 0.20))\n"
" FROM (SELECT ST_GeomFromEWKT('LINESTRING(25 50, 100 125, 150 190)') as the_line) As foo;\n"
" st_asewkt\n"
"----------------\n"
" POINT(51.5974135047432 76.5974135047432)"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:54
#, no-c-format
msgid ""
"--Return point mid-way of 3d line\n"
"SELECT ST_AsEWKT(ST_Line_Interpolate_Point(the_line, 0.5))\n"
" FROM (SELECT ST_GeomFromEWKT('LINESTRING(1 2 3, 4 5 6, 6 7 8)') as the_line) As foo;\n"
"\n"
" st_asewkt\n"
"--------------------\n"
" POINT(3.5 4.5 5.5)\n"
"\n"
"\n"
"--find closest point on a line to a point or other geometry\n"
" SELECT ST_AsText(ST_Line_Interpolate_Point(foo.the_line, ST_Line_Locate_Point(foo.the_line, ST_GeomFromText('POINT(4 3)'))))\n"
"FROM (SELECT ST_GeomFromText('LINESTRING(1 2, 4 5, 6 7)') As the_line) As foo;\n"
" st_astext\n"
"----------------\n"
" POINT(3 4)"
msgstr ""
#. Tag: title
#: reference_lrs.xml:59 reference_lrs.xml:108 reference_lrs.xml:175 reference_lrs.xml:231 reference_lrs.xml:283 reference_lrs.xml:330 reference_lrs.xml:372
#, no-c-format
msgid "See Also"
msgstr ""
#. Tag: para
#: reference_lrs.xml:61
#, no-c-format
msgid ", <xref linkend=\"ST_AsEWKT\"/>, <xref linkend=\"ST_Length\"/>, <xref linkend=\"ST_Line_Locate_Point\"/>"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:67
#, no-c-format
msgid "ST_Line_Locate_Point"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:69
#, no-c-format
msgid "Returns a float between 0 and 1 representing the location of the closest point on LineString to the given Point, as a fraction of total 2d line length."
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:76
#, no-c-format
msgid "<funcdef>float <function>ST_Line_Locate_Point</function></funcdef> <paramdef><type>geometry </type> <parameter>a_linestring</parameter></paramdef> <paramdef><type>geometry </type> <parameter>a_point</parameter></paramdef>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:87
#, no-c-format
msgid "Returns a float between 0 and 1 representing the location of the closest point on LineString to the given Point, as a fraction of total <link linkend=\"ST_Length2D\">2d line</link> length."
msgstr ""
#. Tag: para
#: reference_lrs.xml:91
#, no-c-format
msgid "You can use the returned location to extract a Point (<xref linkend=\"ST_Line_Interpolate_Point\"/>) or a substring (<xref linkend=\"ST_Line_Substring\"/>)."
msgstr ""
#. Tag: para
#: reference_lrs.xml:94
#, no-c-format
msgid "This is useful for approximating numbers of addresses"
msgstr ""
#. Tag: para
#: reference_lrs.xml:96
#, no-c-format
msgid "Availability: 1.1.0"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:103
#, no-c-format
msgid ""
"--Rough approximation of finding the street number of a point along the street\n"
"--Note the whole foo thing is just to generate dummy data that looks\n"
"--like house centroids and street\n"
"--We use ST_DWithin to exclude\n"
"--houses too far away from the street to be considered on the street\n"
"SELECT ST_AsText(house_loc) As as_text_house_loc,\n"
" startstreet_num +\n"
" CAST( (endstreet_num - startstreet_num)\n"
" * ST_Line_Locate_Point(street_line, house_loc) As integer) As street_num\n"
"FROM\n"
"(SELECT ST_GeomFromText('LINESTRING(1 2, 3 4)') As street_line,\n"
" ST_MakePoint(x*1.01,y*1.03) As house_loc, 10 As startstreet_num,\n"
" 20 As endstreet_num\n"
"FROM generate_series(1,3) x CROSS JOIN generate_series(2,4) As y)\n"
"As foo\n"
"WHERE ST_DWithin(street_line, house_loc, 0.2);\n"
"\n"
" as_text_house_loc | street_num\n"
"-------------------+------------\n"
" POINT(1.01 2.06) | 10\n"
" POINT(2.02 3.09) | 15\n"
" POINT(3.03 4.12) | 20\n"
"\n"
" --find closest point on a line to a point or other geometry\n"
" SELECT ST_AsText(ST_Line_Interpolate_Point(foo.the_line, ST_Line_Locate_Point(foo.the_line, ST_GeomFromText('POINT(4 3)'))))\n"
"FROM (SELECT ST_GeomFromText('LINESTRING(1 2, 4 5, 6 7)') As the_line) As foo;\n"
" st_astext\n"
"----------------\n"
" POINT(3 4)"
msgstr ""
#. Tag: para
#: reference_lrs.xml:110
#, no-c-format
msgid ", <xref linkend=\"ST_Length2D\"/>, <xref linkend=\"ST_Line_Interpolate_Point\"/>, <xref linkend=\"ST_Line_Substring\"/>"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:116
#, no-c-format
msgid "ST_Line_Substring"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:118
#, no-c-format
msgid "Return a linestring being a substring of the input one starting and ending at the given fractions of total 2d length. Second and third arguments are float8 values between 0 and 1."
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:126
#, no-c-format
msgid "<funcdef>geometry <function>ST_Line_Substring</function></funcdef> <paramdef><type>geometry </type> <parameter>a_linestring</parameter></paramdef> <paramdef><type>float </type> <parameter>startfraction</parameter></paramdef> <paramdef><type>float </type> <parameter>endfraction</parameter></paramdef>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:138
#, no-c-format
msgid "Return a linestring being a substring of the input one starting and ending at the given fractions of total 2d length. Second and third arguments are float8 values between 0 and 1. This only works with LINESTRINGs. To use with contiguous MULTILINESTRINGs use in conjunction with <xref linkend=\"ST_LineMerge\"/>."
msgstr ""
#. Tag: para
#: reference_lrs.xml:144
#, no-c-format
msgid "If 'start' and 'end' have the same value this is equivalent to <xref linkend=\"ST_Line_Interpolate_Point\"/>."
msgstr ""
#. Tag: para
#: reference_lrs.xml:151
#, no-c-format
msgid "Since release 1.1.1 this function also interpolates M and Z values (when present), while prior releases set them to unspecified values."
msgstr ""
#. Tag: para
#: reference_lrs.xml:156
#, no-c-format
msgid "Availability: 1.1.0, Z and M supported added in 1.1.1"
msgstr ""
#. Tag: para
#: reference_lrs.xml:167
#, no-c-format
msgid "A linestring seen with 1/3 midrange overlaid (0.333, 0.666)"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:170
#, no-c-format
msgid ""
"--Return the approximate 1/3 mid-range part of a linestring\n"
"SELECT ST_AsText(ST_Line_SubString(ST_GeomFromText('LINESTRING(25 50, 100 125, 150 190)'), 0.333, 0.666));\n"
"\n"
" st_astext\n"
"------------------------------------------------------------------------------------------------\n"
"LINESTRING(69.2846934853974 94.2846934853974,100 125,111.700356260683 140.210463138888)\n"
"\n"
"--The below example simulates a while loop in\n"
"--SQL using PostgreSQL generate_series() to cut all\n"
"--linestrings in a table to 100 unit segments\n"
"-- of which no segment is longer than 100 units\n"
"-- units are measured in the SRID units of measurement\n"
"-- It also assumes all geometries are LINESTRING or contiguous MULTILINESTRING\n"
"--and no geometry is longer than 100 units*10000\n"
"--for better performance you can reduce the 10000\n"
"--to match max number of segments you expect\n"
"\n"
"SELECT field1, field2, ST_Line_Substring(the_geom, 100.00*n/length,\n"
" CASE\n"
" WHEN 100.00*(n+1) < length THEN 100.00*(n+1)/length\n"
" ELSE 1\n"
" END) As the_geom\n"
"FROM\n"
" (SELECT sometable.field1, sometable.field2,\n"
" ST_LineMerge(sometable.the_geom) AS the_geom,\n"
" ST_Length(sometable.the_geom) As length\n"
" FROM sometable\n"
" ) AS t\n"
"CROSS JOIN generate_series(0,10000) AS n\n"
"WHERE n*100.00/length < 1;"
msgstr ""
#. Tag: para
#: reference_lrs.xml:177
#, no-c-format
msgid ", <xref linkend=\"ST_Line_Interpolate_Point\"/>, <xref linkend=\"ST_LineMerge\"/>"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:183
#, no-c-format
msgid "ST_LocateAlong"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:185
#, no-c-format
msgid "<refpurpose>Return a derived geometry collection value with elements that match the specified measure. Polygonal elements are not supported.</refpurpose>"
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:192
#, no-c-format
msgid "<funcdef>geometry <function>ST_LocateAlong</function></funcdef> <paramdef><type>geometry </type> <parameter>ageom_with_measure</parameter></paramdef> <paramdef><type>float </type> <parameter>a_measure</parameter></paramdef> <paramdef choice=\"opt\"><type>float </type> <parameter>offset</parameter></paramdef>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:204
#, no-c-format
msgid "<para>Return a derived geometry collection value with elements that match the specified measure. Polygonal elements are not supported.</para>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:208
#, no-c-format
msgid "If an offset is provided, the resultant will be offset to the left or right of the input line by the specified number of units. A positive offset will be to the left, and a negative one to the right."
msgstr ""
#. Tag: para
#: reference_lrs.xml:213 reference_lrs.xml:266
#, no-c-format
msgid "Semantic is specified by: ISO/IEC CD 13249-3:200x(E) - Text for Continuation CD Editing Meeting"
msgstr ""
#. Tag: para
#: reference_lrs.xml:216
#, no-c-format
msgid "Availability: 1.1.0 by old name ST_Locate_Along_Measure."
msgstr ""
#. Tag: para
#: reference_lrs.xml:217
#, no-c-format
msgid "Changed: 2.0.0 in prior versions this used to be called ST_Locate_Along_Measure. The old name has been deprecated and will be removed in the future but is still available."
msgstr ""
#. Tag: para
#: reference_lrs.xml:218
#, no-c-format
msgid "Use this function only for geometries with an M component"
msgstr ""
#. Tag: para
#: reference_lrs.xml:220 reference_lrs.xml:272
#, no-c-format
msgid "&M_support;"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:226
#, no-c-format
msgid ""
"SELECT ST_AsText(the_geom)\n"
" FROM\n"
" (SELECT ST_LocateAlong(\n"
" ST_GeomFromText('MULTILINESTRINGM((1 2 3, 3 4 2, 9 4 3),\n"
" (1 2 3, 5 4 5))'),3) As the_geom) As foo;\n"
"\n"
" st_asewkt\n"
"-----------------------------------------------------------\n"
" MULTIPOINT M (1 2 3)\n"
"\n"
"--Geometry collections are difficult animals so dump them\n"
"--to make them more digestable\n"
"SELECT ST_AsText((ST_Dump(the_geom)).geom)\n"
" FROM\n"
" (SELECT ST_LocateAlong(\n"
" ST_GeomFromText('MULTILINESTRINGM((1 2 3, 3 4 2, 9 4 3),\n"
" (1 2 3, 5 4 5))'),3) As the_geom) As foo;\n"
"\n"
" st_asewkt\n"
"---------------\n"
" POINTM(1 2 3)\n"
" POINTM(9 4 3)\n"
" POINTM(1 2 3)"
msgstr ""
#. Tag: para
#: reference_lrs.xml:233
#, no-c-format
msgid ", <xref linkend=\"ST_LocateBetween\"/>"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:239
#, no-c-format
msgid "ST_LocateBetween"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:241
#, no-c-format
msgid "<refpurpose>Return a derived geometry collection value with elements that match the specified range of measures inclusively. Polygonal elements are not supported.</refpurpose>"
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:248
#, no-c-format
msgid "<funcdef>geometry <function>ST_LocateBetween</function></funcdef> <paramdef><type>geometry </type> <parameter>geomA</parameter></paramdef> <paramdef><type>float </type> <parameter>measure_start</parameter></paramdef> <paramdef><type>float </type> <parameter>measure_end</parameter></paramdef> <paramdef choice=\"opt\"><type>float </type> <parameter>offset</parameter></paramdef>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:262
#, no-c-format
msgid "<para>Return a derived geometry collection value with elements that match the specified range of measures inclusively. Polygonal elements are not supported.</para>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:269
#, no-c-format
msgid "Availability: 1.1.0 by old name ST_Locate_Between_Measures."
msgstr ""
#. Tag: para
#: reference_lrs.xml:270
#, no-c-format
msgid "Changed: 2.0.0 - in prior versions this used to be called ST_Locate_Between_Measures. The old name has been deprecated and will be removed in the future but is still available for backward compatibility."
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:278
#, no-c-format
msgid ""
"SELECT ST_AsText(the_geom)\n"
" FROM\n"
" (SELECT ST_LocateBetween(\n"
" ST_GeomFromText('MULTILINESTRING M ((1 2 3, 3 4 2, 9 4 3),\n"
" (1 2 3, 5 4 5))'),1.5, 3) As the_geom) As foo;\n"
"\n"
" st_asewkt\n"
"------------------------------------------------------------------------\n"
" GEOMETRYCOLLECTION M (LINESTRING M (1 2 3,3 4 2,9 4 3),POINT M (1 2 3))\n"
"\n"
"--Geometry collections are difficult animals so dump them\n"
"--to make them more digestable\n"
"SELECT ST_AsText((ST_Dump(the_geom)).geom)\n"
" FROM\n"
" (SELECT ST_LocateBetween(\n"
" ST_GeomFromText('MULTILINESTRING M ((1 2 3, 3 4 2, 9 4 3),\n"
" (1 2 3, 5 4 5))'),1.5, 3) As the_geom) As foo;\n"
"\n"
" st_asewkt\n"
"--------------------------------\n"
" LINESTRING M (1 2 3,3 4 2,9 4 3)\n"
" POINT M (1 2 3)"
msgstr ""
#. Tag: para
#: reference_lrs.xml:285
#, no-c-format
msgid ", <xref linkend=\"ST_LocateAlong\"/>"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:291
#, no-c-format
msgid "ST_LocateBetweenElevations"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:293
#, no-c-format
msgid "Return a derived geometry (collection) value with elements that intersect the specified range of elevations inclusively. Only 3D, 4D LINESTRINGS and MULTILINESTRINGS are supported."
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:300
#, no-c-format
msgid "<funcdef>geometry <function>ST_LocateBetweenElevations</function></funcdef> <paramdef><type>geometry </type> <parameter>geom_mline</parameter></paramdef> <paramdef><type>float </type> <parameter>elevation_start</parameter></paramdef> <paramdef><type>float </type> <parameter>elevation_end</parameter></paramdef>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:313
#, no-c-format
msgid "Return a derived geometry (collection) value with elements that intersect the specified range of elevations inclusively. Only 3D, 3DM LINESTRINGS and MULTILINESTRINGS are supported."
msgstr ""
#. Tag: para
#: reference_lrs.xml:317
#, no-c-format
msgid "Availability: 1.4.0"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:325
#, no-c-format
msgid ""
"SELECT ST_AsEWKT(ST_LocateBetweenElevations(\n"
" ST_GeomFromEWKT('LINESTRING(1 2 3, 4 5 6)'),2,4)) As ewelev;\n"
" ewelev\n"
"----------------------------------------------------------------\n"
" MULTILINESTRING((1 2 3,2 3 4))\n"
"\n"
"SELECT ST_AsEWKT(ST_LocateBetweenElevations(\n"
" ST_GeomFromEWKT('LINESTRING(1 2 6, 4 5 -1, 7 8 9)'),6,9)) As ewelev;\n"
"\n"
" ewelev\n"
"----------------------------------------------------------------\n"
"GEOMETRYCOLLECTION(POINT(1 2 6),LINESTRING(6.1 7.1 6,7 8 9))\n"
"\n"
"--Geometry collections are difficult animals so dump them\n"
"--to make them more digestable\n"
"SELECT ST_AsEWKT((ST_Dump(the_geom)).geom)\n"
" FROM\n"
" (SELECT ST_LocateBetweenElevations(\n"
" ST_GeomFromEWKT('LINESTRING(1 2 6, 4 5 -1, 7 8 9)'),6,9) As the_geom) As foo;\n"
"\n"
" st_asewkt\n"
"--------------------------------\n"
"POINT(1 2 6)\n"
"LINESTRING(6.1 7.1 6,7 8 9)"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:339
#, no-c-format
msgid "ST_InterpolatePoint"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:341
#, no-c-format
msgid "<refpurpose>Return the value of the measure dimension of a geometry at the point closed to the provided point.</refpurpose>"
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:346
#, no-c-format
msgid "<funcdef>float <function>ST_InterpolatePoint</function></funcdef> <paramdef><type>geometry </type> <parameter>line</parameter></paramdef> <paramdef><type>geometry </type> <parameter>point</parameter></paramdef>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:358
#, no-c-format
msgid "<para>Return the value of the measure dimension of a geometry at the point closed to the provided point.</para>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:360
#, no-c-format
msgid "Availability: 2.0.0"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:368
#, no-c-format
msgid ""
"SELECT ST_InterpolatePoint('LINESTRING M (0 0 0, 10 0 20)', 'POINT(5 5)');\n"
" st_interpolatepoint \n"
" ---------------------\n"
" 10"
msgstr ""
#. Tag: para
#: reference_lrs.xml:374
#, no-c-format
msgid ", <xref linkend=\"ST_LocateAlong\"/>, <xref linkend=\"ST_LocateBetween\"/>"
msgstr ""
#. Tag: refname
#: reference_lrs.xml:382
#, no-c-format
msgid "ST_AddMeasure"
msgstr ""
#. Tag: refpurpose
#: reference_lrs.xml:384
#, no-c-format
msgid "<refpurpose>Return a derived geometry with measure elements linearly interpolated between the start and end points. If the geometry has no measure dimension, one is added. If the geometry has a measure dimension, it is over-written with new values. Only LINESTRINGS and MULTILINESTRINGS are supported.</refpurpose>"
msgstr ""
#. Tag: funcprototype
#: reference_lrs.xml:389
#, no-c-format
msgid "<funcdef>geometry <function>ST_AddMeasure</function></funcdef> <paramdef><type>geometry </type> <parameter>geom_mline</parameter></paramdef> <paramdef><type>float </type> <parameter>measure_start</parameter></paramdef> <paramdef><type>float </type> <parameter>measure_end</parameter></paramdef>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:402
#, no-c-format
msgid "<para>Return a derived geometry with measure elements linearly interpolated between the start and end points. If the geometry has no measure dimension, one is added. If the geometry has a measure dimension, it is over-written with new values. Only LINESTRINGS and MULTILINESTRINGS are supported.</para>"
msgstr ""
#. Tag: para
#: reference_lrs.xml:404
#, no-c-format
msgid "Availability: 1.5.0"
msgstr ""
#. Tag: programlisting
#: reference_lrs.xml:412
#, no-c-format
msgid ""
"SELECT ST_AsText(ST_AddMeasure(\n"
"ST_GeomFromEWKT('LINESTRING(1 0, 2 0, 4 0)'),1,4)) As ewelev;\n"
" ewelev \n"
"--------------------------------\n"
" LINESTRINGM(1 0 1,2 0 2,4 0 4)\n"
"\n"
"SELECT ST_AsText(ST_AddMeasure(\n"
"ST_GeomFromEWKT('LINESTRING(1 0 4, 2 0 4, 4 0 4)'),10,40)) As ewelev;\n"
" ewelev \n"
"----------------------------------------\n"
" LINESTRING(1 0 4 10,2 0 4 20,4 0 4 40)\n"
"\n"
"SELECT ST_AsText(ST_AddMeasure(\n"
"ST_GeomFromEWKT('LINESTRINGM(1 0 4, 2 0 4, 4 0 4)'),10,40)) As ewelev;\n"
" ewelev \n"
"----------------------------------------\n"
" LINESTRINGM(1 0 10,2 0 20,4 0 40)\n"
" \n"
"SELECT ST_AsText(ST_AddMeasure(\n"
"ST_GeomFromEWKT('MULTILINESTRINGM((1 0 4, 2 0 4, 4 0 4),(1 0 4, 2 0 4, 4 0 4))'),10,70)) As ewelev;\n"
" ewelev \n"
"-----------------------------------------------------------------\n"
" MULTILINESTRINGM((1 0 10,2 0 20,4 0 40),(1 0 40,2 0 50,4 0 70))"
msgstr ""
|