Changes between Version 6 and Version 7 of MapGuideRfc161
- Timestamp:
- Jun 28, 2017, 6:58:48 AM (7 years ago)
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MapGuideRfc161
v6 v7 53 53 || COORDINATESYSTEM || string || Yes || The coordinate system (CS-Map code) of the input geometry || 54 54 || TRANSFORMTO || string || Optional || The coordinate system (CS-Map code) to transform the buffer geometry into. If not specified, the buffer geometry will be in the input coordinate system || 55 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, it will default to 7 decimal places. Has no effect if output format is notGeoJSON ||55 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, coordinates will be output as-is if output format is GeoJSON || 56 56 57 57 === Simplify === … … 71 71 || COORDINATESYSTEM || string || Optional || The coordinate system (CS-Map code) of the input geometry. Only required in combination with `TRANSFORMTO` if you intend to transform the simplified geometry || 72 72 || TRANSFORMTO || string || Optional || The coordinate system (CS-Map code) to transform the simplified geometry into. Only required in combination with `COORDINATESYSTEM ` if you intend to transform the simplified geometry || 73 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, it will default to 7 decimal places. Has no effect if output format is notGeoJSON ||73 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, coordinates will be output as-is if output format is GeoJSON || 74 74 75 75 === Binary Operation === … … 94 94 || COORDINATESYSTEM || string || Optional || The coordinate system (CS-Map code) of the input geometries. Only required in combination with `TRANSFORMTO` if you intend to transform the geometry result || 95 95 || TRANSFORMTO || string || Optional || The coordinate system (CS-Map code) to transform the simplified geometry into. Only required in combination with `COORDINATESYSTEM ` if you intend to transform the geometry result || 96 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, it will default to 7 decimal places. Has no effect if output format is notGeoJSON ||96 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, coordinates will be output as-is if output format is GeoJSON || 97 97 98 98 All operators are invoked in the form of {{{GEOMETRYA OPERATOR GEOMETRYB}}}. Where ordering of input geometries matters (the operator is not commutative), refer to this rule. … … 135 135 || COORDINATESYSTEM || string || Optional || The coordinate system (CS-Map code) of the input geometries. Only required in combination with `TRANSFORMTO` if you intend to transform the geometry result || 136 136 || TRANSFORMTO || string || Optional || The coordinate system (CS-Map code) to transform the simplified geometry into. Only required in combination with `COORDINATESYSTEM ` if you intend to transform the geometry result || 137 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, it will default to 7 decimal places. Has no effect if output format is notGeoJSON ||137 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, coordinates will be output as-is if output format is GeoJSON || 138 138 139 139 === Boundary === … … 149 149 || COORDINATESYSTEM || string || Optional || The coordinate system (CS-Map code) of the input geometries. Only required in combination with `TRANSFORMTO` if you intend to transform the geometry result || 150 150 || TRANSFORMTO || string || Optional || The coordinate system (CS-Map code) to transform the simplified geometry into. Only required in combination with `COORDINATESYSTEM ` if you intend to transform the geometry result || 151 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, it will default to 7 decimal places. Has no effect if output format is notGeoJSON ||151 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, coordinates will be output as-is if output format is GeoJSON || 152 152 153 153 === Tessellate === … … 163 163 || COORDINATESYSTEM || string || Optional || The coordinate system (CS-Map code) of the input geometries. Only required in combination with `TRANSFORMTO` if you intend to transform the geometry result || 164 164 || TRANSFORMTO || string || Optional || The coordinate system (CS-Map code) to transform the simplified geometry into. Only required in combination with `COORDINATESYSTEM ` if you intend to transform the geometry result || 165 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, it will default to 7 decimal places. Has no effect if output format is notGeoJSON ||165 || PRECISION || number || Optional || The decimal precision to use when outputting as GeoJSON. If not specified, coordinates will be output as-is if output format is GeoJSON || 166 166 167 167 === Distance === … … 281 281 Before this RFC, GeoJSON coordinates were output verbatim from their source geometry counterparts. Generally speaking, coordinates beyond 7 decimal places in most coordinate systems are superfluous and adds unnecessary bloat to GeoJSON content when converting feature geometry. 282 282 283 As a result, the {{{MgGeoJsonWriter}}} class has been extended to allow a custom decimal precision to be specified 283 As a result, the {{{MgGeoJsonWriter}}} class has been extended to allow a custom decimal precision to be specified. Coordinate precision is opt-in so it requires manual activation. 284 284 285 285 {{{ … … 292 292 ////////////////////////////////////////////////////////////////// 293 293 /// \brief 294 /// Sets the decimal precision to use when writing out coordinates. If you do not call this method, the default precision used is 7 decimal places 294 /// Sets the decimal precision to use when writing out coordinates. If you do not call this method, the default precision used is 7 decimal places. 295 /// Precision must be enabled in order for this setting to have any effect 295 296 /// 296 297 /// <!-- Syntax in .Net, Java, and PHP --> … … 308 309 /// The decimal precision to write out coordinates 309 310 /// 311 /// 312 void SetPrecision(INT32 precision); 313 314 ////////////////////////////////////////////////////////////////// 315 /// \brief 316 /// Gets the decimal precision to use when writing out coordinates 317 /// 318 /// <!-- Syntax in .Net, Java, and PHP --> 319 /// \htmlinclude DotNetSyntaxTop.html 320 /// int GetPrecision(); 321 /// \htmlinclude SyntaxBottom.html 322 /// \htmlinclude JavaSyntaxTop.html 323 /// int GetPrecision(); 324 /// \htmlinclude SyntaxBottom.html 325 /// \htmlinclude PHPSyntaxTop.html 326 /// int GetPrecision(); 327 /// \htmlinclude SyntaxBottom.html 328 /// 329 /// \return 330 /// Returns the current precision 331 /// 332 INT32 GetPrecision(); 333 334 ////////////////////////////////////////////////////////////////// 335 /// \brief 336 /// Sets whether to apply coordinate precision when writing out GeoJSON coordinates 337 /// 338 /// <!-- Syntax in .Net, Java, and PHP --> 339 /// \htmlinclude DotNetSyntaxTop.html 340 /// void SetPrecisionEnabled(bool enabled); 341 /// \htmlinclude SyntaxBottom.html 342 /// \htmlinclude JavaSyntaxTop.html 343 /// void SetPrecisionEnabled(boolean enabled); 344 /// \htmlinclude SyntaxBottom.html 345 /// \htmlinclude PHPSyntaxTop.html 346 /// void SetPrecisionEnabled(bool enabled); 347 /// \htmlinclude SyntaxBottom.html 348 /// 349 /// \param enabled (bool) 350 /// If true, enables coordinate precision. Otherwise disables it 351 /// 310 352 /// \return 311 353 /// Returns the GeoJSON output as a string. 312 354 /// 313 void SetPrecision (INT32 precision);355 void SetPrecisionEnabled(bool enabled); 314 356 315 357 ////////////////////////////////////////////////////////////////// 316 358 /// \brief 317 /// Gets the decimal precision to use when writing out coordinates318 /// 319 /// <!-- Syntax in .Net, Java, and PHP --> 320 /// \htmlinclude DotNetSyntaxTop.html 321 /// int GetPrecision();322 /// \htmlinclude SyntaxBottom.html 323 /// \htmlinclude JavaSyntaxTop.html 324 /// int GetPrecision();325 /// \htmlinclude SyntaxBottom.html 326 /// \htmlinclude PHPSyntaxTop.html 327 /// int GetPrecision();328 /// \htmlinclude SyntaxBottom.html 329 /// 330 /// \return 331 /// Returns the current precision332 /// 333 INT32 GetPrecision();359 /// Gets whether coordinate precision is enabled 360 /// 361 /// <!-- Syntax in .Net, Java, and PHP --> 362 /// \htmlinclude DotNetSyntaxTop.html 363 /// bool IsPrecisionEnabled(); 364 /// \htmlinclude SyntaxBottom.html 365 /// \htmlinclude JavaSyntaxTop.html 366 /// boolean IsPrecisionEnabled(); 367 /// \htmlinclude SyntaxBottom.html 368 /// \htmlinclude PHPSyntaxTop.html 369 /// bool IsPrecisionEnabled(); 370 /// \htmlinclude SyntaxBottom.html 371 /// 372 /// \return 373 /// True if coordinate precision is enabled. False otherwise 374 /// 375 bool IsPrecisionEnabled(); 334 376 }; 335 377 336 378 }}} 337 379 338 If not specified, 7 decimal places will be default when converting feature data to GeoJSON using {{{MgGeoJsonWriter}}} 380 By default, {{{MgGeoJsonWriter}}} will output coordinates as-is. 381 382 If not specified, 7 decimal places will be default when converting feature data to GeoJSON using {{{MgGeoJsonWriter}}} if coordinate precision is enabled, but no call to {{{SetPrecision}}} is made. 339 383 340 384 === Auto-tessellation of curves === … … 693 737 Test new mapagent geo-processing operations and verify that their output is the same as the results provided by using `MgGeometry` APIs directly. 694 738 739 Add tests for double to string conversion with specific decimal precision. 740 695 741 Benchmark repeated evaluation of spatial operations using `MgGeometry` vs `MgPreparedGeometry`. Verify that using `MgPreparedGeometry` provides noticeable performance over using `MgGeometry` 696 742
