EVOLUTION-MANAGER
Edit File: ogrunionlayer_8h_source.html
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class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_066bfa10b8dfa9042feff9f98f280572.html">ogrsf_frmts</a></li><li class="navelem"><a class="el" href="dir_52ee33b26d14df807596a1ed706426c7.html">generic</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">ogrunionlayer.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * $Id: ogrunionlayer.h 27044 2014-03-16 23:41:27Z rouault $</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Project: OpenGIS Simple Features Reference Implementation</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Purpose: Defines OGRUnionLayer class</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Author: Even Rouault, even dot rouault at mines dash paris dot org</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> ******************************************************************************</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Copyright (c) 2012-2014, Even Rouault <even dot rouault at mines-paris dot org></span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> ****************************************************************************/</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef _OGRUNIONLAYER_H_INCLUDED</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="preprocessor">#define _OGRUNIONLAYER_H_INCLUDED</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="ogrsf__frmts_8h.html">ogrsf_frmts.h</a>"</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">/************************************************************************/</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">/* OGRUnionLayerGeomFieldDefn */</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/************************************************************************/</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div> <div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classOGRUnionLayerGeomFieldDefn.html"> 39</a></span> <span class="keyword">class </span><a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a>: <span class="keyword">public</span> <a class="code" href="classOGRGeomFieldDefn.html">OGRGeomFieldDefn</a></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">int</span> bGeomTypeSet;</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">int</span> bSRSSet;</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classOGREnvelope.html">OGREnvelope</a> sStaticEnvelope;</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* pszName, <a class="code" href="ogr__core_8h.html#a800236a0d460ef66e687b7b65610f12a">OGRwkbGeometryType</a> eType);</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a>(<a class="code" href="classOGRGeomFieldDefn.html">OGRGeomFieldDefn</a>* poSrc);</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a>(<a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a>* poSrc);</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  ~<a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a>();</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> };</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">/************************************************************************/</span></div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">/* OGRUnionLayer */</span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">/************************************************************************/</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">typedef</span> <span class="keyword">enum</span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> {</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  FIELD_FROM_FIRST_LAYER,</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  FIELD_UNION_ALL_LAYERS,</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  FIELD_INTERSECTION_ALL_LAYERS,</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  FIELD_SPECIFIED,</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> } FieldUnionStrategy;</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classOGRUnionLayer.html"> 65</a></span> <span class="keyword">class </span><a class="code" href="classOGRUnionLayer.html">OGRUnionLayer</a> : <span class="keyword">public</span> <a class="code" href="classOGRLayer.html">OGRLayer</a></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> {</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">protected</span>:</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classCPLString.html">CPLString</a> osName;</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> nSrcLayers;</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classOGRLayer.html">OGRLayer</a> **papoSrcLayers;</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">int</span> bHasLayerOwnership;</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classOGRFeatureDefn.html">OGRFeatureDefn</a> *poFeatureDefn;</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">int</span> nFields;</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classOGRFieldDefn.html">OGRFieldDefn</a> **papoFields;</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">int</span> nGeomFields;</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a> **papoGeomFields;</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  FieldUnionStrategy eFieldStrategy;</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classCPLString.html">CPLString</a> osSourceLayerFieldName;</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">int</span> bPreserveSrcFID;</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">int</span> nFeatureCount;</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">int</span> iCurLayer;</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">char</span> *pszAttributeFilter;</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">int</span> nNextFID;</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">int</span> *panMap;</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">char</span> **papszIgnoredFields;</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">int</span> bAttrFilterPassThroughValue;</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> *pabModifiedLayers;</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">int</span> *pabCheckIfAutoWrap;</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classOGRSpatialReference.html">OGRSpatialReference</a> *poGlobalSRS;</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">void</span> AutoWarpLayerIfNecessary(<span class="keywordtype">int</span> iSubLayer);</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classOGRFeature.html">OGRFeature</a> *TranslateFromSrcLayer(<a class="code" href="classOGRFeature.html">OGRFeature</a>* poSrcFeature);</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">void</span> ApplyAttributeFilterToSrcLayer(<span class="keywordtype">int</span> iSubLayer);</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span> GetAttrFilterPassThroughValue();</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">void</span> ConfigureActiveLayer();</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">void</span> SetSpatialFilterToSourceLayer(<a class="code" href="classOGRLayer.html">OGRLayer</a>* poSrcLayer);</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classOGRUnionLayer.html">OGRUnionLayer</a>( <span class="keyword">const</span> <span class="keywordtype">char</span>* pszName,</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">int</span> nSrcLayers, <span class="comment">/* must be >= 1 */</span></div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="classOGRLayer.html">OGRLayer</a>** papoSrcLayers, <span class="comment">/* array itself ownership always transfered, layer ownership depending on bTakeLayerOwnership */</span></div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">int</span> bTakeLayerOwnership);</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">virtual</span> ~<a class="code" href="classOGRUnionLayer.html">OGRUnionLayer</a>();</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">/* All the following non virtual methods must be called just after the constructor */</span></div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">/* and before any virtual method */</span></div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">void</span> SetFields(FieldUnionStrategy eFieldStrategy,</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">int</span> nFields,</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classOGRFieldDefn.html">OGRFieldDefn</a>** papoFields, <span class="comment">/* duplicated by the method */</span></div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> nGeomFields, <span class="comment">/* maybe -1 to explicitely disable geometry fields */</span></div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a>** papoGeomFields <span class="comment">/* duplicated by the method */</span>);</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">void</span> SetSourceLayerFieldName(<span class="keyword">const</span> <span class="keywordtype">char</span>* pszSourceLayerFieldName);</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">void</span> SetPreserveSrcFID(<span class="keywordtype">int</span> bPreserveSrcFID);</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">void</span> SetFeatureCount(<span class="keywordtype">int</span> nFeatureCount);</div> <div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classOGRUnionLayer.html#a530eaa40528ad609ae506336103fbedf"> 120</a></span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classOGRUnionLayer.html#a530eaa40528ad609ae506336103fbedf">GetName</a>() { <span class="keywordflow">return</span> osName.c_str(); }</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">virtual</span> <a class="code" href="ogr__core_8h.html#a800236a0d460ef66e687b7b65610f12a">OGRwkbGeometryType</a> <a class="code" href="classOGRUnionLayer.html#a11d7365a8f7264b0cc0bfc3cd371aac7">GetGeomType</a>();</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOGRUnionLayer.html#a20c1d59b04f816722d0d6f865f079273">ResetReading</a>();</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRFeature.html">OGRFeature</a> *<a class="code" href="classOGRUnionLayer.html#a1ff231230bc51b63952c49fbf565d2b8">GetNextFeature</a>();</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRFeature.html">OGRFeature</a> *<a class="code" href="classOGRUnionLayer.html#a58427b11107fee76162055092e2364d2">GetFeature</a>( <span class="keywordtype">long</span> nFeatureId );</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRUnionLayer.html#a094a2f13809f0b2eaabbc572ddfc19ed">CreateFeature</a>( <a class="code" href="classOGRFeature.html">OGRFeature</a>* poFeature );</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRUnionLayer.html#ab44d7c6a95d8d6a73f906f60760c0c56">SetFeature</a>( <a class="code" href="classOGRFeature.html">OGRFeature</a>* poFeature );</div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRFeatureDefn.html">OGRFeatureDefn</a> *<a class="code" href="classOGRUnionLayer.html#a4c680d7e5c02454ea7361f341d6d54e9">GetLayerDefn</a>();</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">virtual</span> <a class="code" href="classOGRSpatialReference.html">OGRSpatialReference</a> *<a class="code" href="classOGRUnionLayer.html#a8223e23c723151ef11fba997ab4fc605">GetSpatialRef</a>();</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classOGRUnionLayer.html#a6f9c4f51181cb7db75b08a6b81182e67">GetFeatureCount</a>( <span class="keywordtype">int</span> );</div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRUnionLayer.html#a2231dba322c7cfbc5914e2201d27c610">SetAttributeFilter</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * );</div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classOGRUnionLayer.html#a6ba10280ddeda91a8ec0efc29e9ef7d6">TestCapability</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * );</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRUnionLayer.html#a36e1634fb7f68fae343179a6007960c4">GetExtent</a>(<span class="keywordtype">int</span> iGeomField, <a class="code" href="classOGREnvelope.html">OGREnvelope</a> *psExtent, <span class="keywordtype">int</span> bForce = TRUE);</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRUnionLayer.html#a36e1634fb7f68fae343179a6007960c4">GetExtent</a>( <a class="code" href="classOGREnvelope.html">OGREnvelope</a> *psExtent, <span class="keywordtype">int</span> bForce );</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOGRUnionLayer.html#a194555741a74ee0e61c92875683cce7f">SetSpatialFilter</a>( <a class="code" href="classOGRGeometry.html">OGRGeometry</a> * poGeomIn );</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classOGRUnionLayer.html#a194555741a74ee0e61c92875683cce7f">SetSpatialFilter</a>( <span class="keywordtype">int</span> iGeomField, <a class="code" href="classOGRGeometry.html">OGRGeometry</a> * );</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRUnionLayer.html#a81737b724f0c7c0f81d593cec662bb08">SetIgnoredFields</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> **papszFields );</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">virtual</span> OGRErr <a class="code" href="classOGRUnionLayer.html#a2504c28d8bb046a55c198dbdc58e99bb">SyncToDisk</a>();</div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> };</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#endif // _OGRUNIONLAYER_H_INCLUDED</span></div> <div class="ttc" id="classOGRUnionLayer_html"><div class="ttname"><a href="classOGRUnionLayer.html">OGRUnionLayer</a></div><div class="ttdef"><b>Definition:</b> ogrunionlayer.h:65</div></div> <div class="ttc" id="classOGRGeomFieldDefn_html"><div class="ttname"><a href="classOGRGeomFieldDefn.html">OGRGeomFieldDefn</a></div><div class="ttdef"><b>Definition:</b> ogr_feature.h:112</div></div> <div class="ttc" id="classOGRUnionLayer_html_a4c680d7e5c02454ea7361f341d6d54e9"><div class="ttname"><a href="classOGRUnionLayer.html#a4c680d7e5c02454ea7361f341d6d54e9">OGRUnionLayer::GetLayerDefn</a></div><div class="ttdeci">virtual OGRFeatureDefn * GetLayerDefn()</div><div class="ttdoc">Fetch the schema information for this layer. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:246</div></div> <div class="ttc" id="classCPLString_html"><div class="ttname"><a href="classCPLString.html">CPLString</a></div><div class="ttdoc">Convenient string class based on std::string. </div><div class="ttdef"><b>Definition:</b> cpl_string.h:226</div></div> <div class="ttc" id="classOGRUnionLayer_html_a530eaa40528ad609ae506336103fbedf"><div class="ttname"><a href="classOGRUnionLayer.html#a530eaa40528ad609ae506336103fbedf">OGRUnionLayer::GetName</a></div><div class="ttdeci">virtual const char * GetName()</div><div class="ttdoc">Return the layer name. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.h:120</div></div> <div class="ttc" id="classOGRUnionLayer_html_a6f9c4f51181cb7db75b08a6b81182e67"><div class="ttname"><a href="classOGRUnionLayer.html#a6f9c4f51181cb7db75b08a6b81182e67">OGRUnionLayer::GetFeatureCount</a></div><div class="ttdeci">virtual int GetFeatureCount(int)</div><div class="ttdoc">Fetch the feature count in this layer. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:946</div></div> <div class="ttc" id="classOGRUnionLayer_html_a2504c28d8bb046a55c198dbdc58e99bb"><div class="ttname"><a href="classOGRUnionLayer.html#a2504c28d8bb046a55c198dbdc58e99bb">OGRUnionLayer::SyncToDisk</a></div><div class="ttdeci">virtual OGRErr SyncToDisk()</div><div class="ttdoc">Flush pending changes to disk. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:1258</div></div> <div class="ttc" id="classOGRFeatureDefn_html"><div class="ttname"><a href="classOGRFeatureDefn.html">OGRFeatureDefn</a></div><div class="ttdef"><b>Definition:</b> ogr_feature.h:167</div></div> <div class="ttc" id="classOGRUnionLayer_html_a58427b11107fee76162055092e2364d2"><div class="ttname"><a href="classOGRUnionLayer.html#a58427b11107fee76162055092e2364d2">OGRUnionLayer::GetFeature</a></div><div class="ttdeci">virtual OGRFeature * GetFeature(long nFeatureId)</div><div class="ttdoc">Fetch a feature by its identifier. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:710</div></div> <div class="ttc" id="classOGRUnionLayer_html_a8223e23c723151ef11fba997ab4fc605"><div class="ttname"><a href="classOGRUnionLayer.html#a8223e23c723151ef11fba997ab4fc605">OGRUnionLayer::GetSpatialRef</a></div><div class="ttdeci">virtual OGRSpatialReference * GetSpatialRef()</div><div class="ttdoc">Fetch the spatial reference system for this layer. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:863</div></div> <div class="ttc" id="classOGRFieldDefn_html"><div class="ttname"><a href="classOGRFieldDefn.html">OGRFieldDefn</a></div><div class="ttdef"><b>Definition:</b> ogr_feature.h:52</div></div> <div class="ttc" id="ogr__core_8h_html_a800236a0d460ef66e687b7b65610f12a"><div class="ttname"><a href="ogr__core_8h.html#a800236a0d460ef66e687b7b65610f12a">OGRwkbGeometryType</a></div><div class="ttdeci">OGRwkbGeometryType</div><div class="ttdef"><b>Definition:</b> ogr_core.h:308</div></div> <div class="ttc" id="classOGRGeometry_html"><div class="ttname"><a href="classOGRGeometry.html">OGRGeometry</a></div><div class="ttdef"><b>Definition:</b> ogr_geometry.h:79</div></div> <div class="ttc" id="ogrsf__frmts_8h_html"><div class="ttname"><a href="ogrsf__frmts_8h.html">ogrsf_frmts.h</a></div></div> <div class="ttc" id="classOGRUnionLayer_html_a36e1634fb7f68fae343179a6007960c4"><div class="ttname"><a href="classOGRUnionLayer.html#a36e1634fb7f68fae343179a6007960c4">OGRUnionLayer::GetExtent</a></div><div class="ttdeci">virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce=TRUE)</div><div class="ttdoc">Fetch the extent of this layer, on the specified geometry field. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:1111</div></div> <div class="ttc" id="classOGRUnionLayer_html_a20c1d59b04f816722d0d6f865f079273"><div class="ttname"><a href="classOGRUnionLayer.html#a20c1d59b04f816722d0d6f865f079273">OGRUnionLayer::ResetReading</a></div><div class="ttdeci">virtual void ResetReading()</div><div class="ttdoc">Reset feature reading to start on the first feature. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:600</div></div> <div class="ttc" id="classOGRSpatialReference_html"><div class="ttname"><a href="classOGRSpatialReference.html">OGRSpatialReference</a></div><div class="ttdef"><b>Definition:</b> ogr_spatialref.h:129</div></div> <div class="ttc" id="classOGRUnionLayer_html_a094a2f13809f0b2eaabbc572ddfc19ed"><div class="ttname"><a href="classOGRUnionLayer.html#a094a2f13809f0b2eaabbc572ddfc19ed">OGRUnionLayer::CreateFeature</a></div><div class="ttdeci">virtual OGRErr CreateFeature(OGRFeature *poFeature)</div><div class="ttdoc">Create and write a new feature within a layer. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:753</div></div> <div class="ttc" id="classOGRUnionLayer_html_a81737b724f0c7c0f81d593cec662bb08"><div class="ttname"><a href="classOGRUnionLayer.html#a81737b724f0c7c0f81d593cec662bb08">OGRUnionLayer::SetIgnoredFields</a></div><div class="ttdeci">virtual OGRErr SetIgnoredFields(const char **papszFields)</div><div class="ttdoc">Set which fields can be omitted when retrieving features from the layer. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:1242</div></div> <div class="ttc" id="classOGRUnionLayer_html_a2231dba322c7cfbc5914e2201d27c610"><div class="ttname"><a href="classOGRUnionLayer.html#a2231dba322c7cfbc5914e2201d27c610">OGRUnionLayer::SetAttributeFilter</a></div><div class="ttdeci">virtual OGRErr SetAttributeFilter(const char *)</div><div class="ttdoc">Set a new attribute query. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:973</div></div> <div class="ttc" id="classOGRUnionLayer_html_a6ba10280ddeda91a8ec0efc29e9ef7d6"><div class="ttname"><a href="classOGRUnionLayer.html#a6ba10280ddeda91a8ec0efc29e9ef7d6">OGRUnionLayer::TestCapability</a></div><div class="ttdeci">virtual int TestCapability(const char *)</div><div class="ttdoc">Test if this layer supported the named capability. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:1003</div></div> <div class="ttc" id="classOGREnvelope_html"><div class="ttname"><a href="classOGREnvelope.html">OGREnvelope</a></div><div class="ttdef"><b>Definition:</b> ogr_core.h:48</div></div> <div class="ttc" id="classOGRUnionLayer_html_ab44d7c6a95d8d6a73f906f60760c0c56"><div class="ttname"><a href="classOGRUnionLayer.html#ab44d7c6a95d8d6a73f906f60760c0c56">OGRUnionLayer::SetFeature</a></div><div class="ttdeci">virtual OGRErr SetFeature(OGRFeature *poFeature)</div><div class="ttdoc">Rewrite an existing feature. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:805</div></div> <div class="ttc" id="classOGRLayer_html"><div class="ttname"><a href="classOGRLayer.html">OGRLayer</a></div><div class="ttdef"><b>Definition:</b> ogrsf_frmts.h:59</div></div> <div class="ttc" id="classOGRFeature_html"><div class="ttname"><a href="classOGRFeature.html">OGRFeature</a></div><div class="ttdef"><b>Definition:</b> ogr_feature.h:232</div></div> <div class="ttc" id="classOGRUnionLayer_html_a194555741a74ee0e61c92875683cce7f"><div class="ttname"><a href="classOGRUnionLayer.html#a194555741a74ee0e61c92875683cce7f">OGRUnionLayer::SetSpatialFilter</a></div><div class="ttdeci">virtual void SetSpatialFilter(OGRGeometry *poGeomIn)</div><div class="ttdoc">Set a new spatial filter. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:1166</div></div> <div class="ttc" id="classOGRUnionLayerGeomFieldDefn_html"><div class="ttname"><a href="classOGRUnionLayerGeomFieldDefn.html">OGRUnionLayerGeomFieldDefn</a></div><div class="ttdef"><b>Definition:</b> ogrunionlayer.h:39</div></div> <div class="ttc" id="classOGRUnionLayer_html_a11d7365a8f7264b0cc0bfc3cd371aac7"><div class="ttname"><a href="classOGRUnionLayer.html#a11d7365a8f7264b0cc0bfc3cd371aac7">OGRUnionLayer::GetGeomType</a></div><div class="ttdeci">virtual OGRwkbGeometryType GetGeomType()</div><div class="ttdoc">Return the layer geometry type. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:454</div></div> <div class="ttc" id="classOGRUnionLayer_html_a1ff231230bc51b63952c49fbf565d2b8"><div class="ttname"><a href="classOGRUnionLayer.html#a1ff231230bc51b63952c49fbf565d2b8">OGRUnionLayer::GetNextFeature</a></div><div class="ttdeci">virtual OGRFeature * GetNextFeature()</div><div class="ttdoc">Fetch the next available feature from this layer. </div><div class="ttdef"><b>Definition:</b> ogrunionlayer.cpp:666</div></div> </div><!-- fragment --></div><!-- contents --> <hr> Generated for GDAL by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.8.5. </body> </html>