gdal__pam_8h-source.html

gdal库的学习文档

<a name="l00083"></a>00083     <span class="keywordtype">char</span>        *pszProjection;
<a name="l00084"></a>00084 
<a name="l00085"></a>00085     <span class="keywordtype">int</span>         bHaveGeoTransform;
<a name="l00086"></a>00086     <span class="keywordtype">double</span>      adfGeoTransform[6];
<a name="l00087"></a>00087 
<a name="l00088"></a>00088     <span class="keywordtype">int</span>         nGCPCount;
<a name="l00089"></a>00089     <a class="code" href="structGDAL__GCP.html">GDAL_GCP</a>   *pasGCPList;
<a name="l00090"></a>00090     <span class="keywordtype">char</span>       *pszGCPProjection;
<a name="l00091"></a>00091 
<a name="l00092"></a>00092 } GDALDatasetPamInfo;
<a name="l00093"></a>00093 
<a name="l00094"></a>00094 <span class="comment">/* ******************************************************************** */</span>
<a name="l00095"></a>00095 <span class="comment">/*                           GDALPamDataset                             */</span>
<a name="l00096"></a>00096 <span class="comment">/* ******************************************************************** */</span>
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 <span class="keyword">class </span>CPL_DLL GDALPamDataset : <span class="keyword">public</span> <a class="code" href="classGDALDataset.html">GDALDataset</a>
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100     <span class="keyword">friend</span> <span class="keyword">class </span>GDALPamRasterBand;
<a name="l00101"></a>00101 
<a name="l00102"></a>00102   <span class="keyword">protected</span>:
<a name="l00103"></a>00103                 GDALPamDataset(<span class="keywordtype">void</span>);
<a name="l00104"></a>00104 
<a name="l00105"></a>00105     <span class="keywordtype">int</span>         nPamFlags;
<a name="l00106"></a>00106     GDALDatasetPamInfo *psPam;
<a name="l00107"></a>00107 
<a name="l00108"></a>00108     <span class="keyword">virtual</span> <a class="code" href="struct__CPLXMLNode.html">CPLXMLNode</a> *SerializeToXML( <span class="keyword">const</span> <span class="keywordtype">char</span> *);
<a name="l00109"></a>00109     <span class="keyword">virtual</span> CPLErr      XMLInit( <a class="code" href="struct__CPLXMLNode.html">CPLXMLNode</a> *, <span class="keyword">const</span> <span class="keywordtype">char</span> * );
<a name="l00110"></a>00110     
<a name="l00111"></a>00111     <span class="keyword">virtual</span> CPLErr TryLoadXML();
<a name="l00112"></a>00112     <span class="keyword">virtual</span> CPLErr TrySaveXML();
<a name="l00113"></a>00113 
<a name="l00114"></a>00114     CPLErr  TryLoadAux();
<a name="l00115"></a>00115     CPLErr  TrySaveAux();
<a name="l00116"></a>00116 
<a name="l00117"></a>00117     <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *BuildPamFilename();
<a name="l00118"></a>00118 
<a name="l00119"></a>00119     <span class="keywordtype">void</span>   PamInitialize();
<a name="l00120"></a>00120     <span class="keywordtype">void</span>   PamClear();
<a name="l00121"></a>00121 
<a name="l00122"></a>00122   <span class="keyword">public</span>:
<a name="l00123"></a>00123     <span class="keyword">virtual</span>     ~GDALPamDataset();
<a name="l00124"></a>00124 
<a name="l00125"></a>00125     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classGDALDataset.html#b6421c7ec7068c274a030e22aa6609e1">FlushCache</a>(<span class="keywordtype">void</span>);
<a name="l00126"></a>00126 
<a name="l00127"></a>00127     <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classGDALDataset.html#a42537e1062ce254d124b29ff3ebe857">GetProjectionRef</a>(<span class="keywordtype">void</span>);
<a name="l00128"></a>00128     <span class="keyword">virtual</span> CPLErr <a class="code" href="classGDALDataset.html#e2d2e231f6d632f8c2b2cf0078a01150">SetProjection</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * );
<a name="l00129"></a>00129 
<a name="l00130"></a>00130     <span class="keyword">virtual</span> CPLErr <a class="code" href="classGDALDataset.html#f9593cc241e7d140f5f3c4798a43a668">GetGeoTransform</a>( <span class="keywordtype">double</span> * );
<a name="l00131"></a>00131     <span class="keyword">virtual</span> CPLErr <a class="code" href="classGDALDataset.html#0fe0f81d65d84557b5d71ddc024faa02">SetGeoTransform</a>( <span class="keywordtype">double</span> * );
<a name="l00132"></a>00132 
<a name="l00133"></a>00133     <span class="keyword">virtual</span> <span class="keywordtype">int</span>    <a class="code" href="classGDALDataset.html#499a33ef83b64c38fa218c83a113bd09">GetGCPCount</a>();
<a name="l00134"></a>00134     <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="classGDALDataset.html#35ea63c2f9ea12afd190ca2446d02ddb">GetGCPProjection</a>();
<a name="l00135"></a>00135     <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="structGDAL__GCP.html">GDAL_GCP</a> *<a class="code" href="classGDALDataset.html#c91ea1fc26dd19f14d31baec4988d5b6">GetGCPs</a>();
<a name="l00136"></a>00136     <span class="keyword">virtual</span> CPLErr <a class="code" href="classGDALDataset.html#3c812b05467213f05055c1f18438d874">SetGCPs</a>( <span class="keywordtype">int</span> nGCPCount, <span class="keyword">const</span> <a class="code" href="structGDAL__GCP.html">GDAL_GCP</a> *pasGCPList,
<a name="l00137"></a>00137                             <span class="keyword">const</span> <span class="keywordtype">char</span> *pszGCPProjection );
<a name="l00138"></a>00138 
<a name="l00139"></a>00139     <span class="keyword">virtual</span> CPLErr      <a class="code" href="classGDALMajorObject.html#61ab7226d95b20e3e1f42461a1f62906">SetMetadata</a>( <span class="keywordtype">char</span> ** papszMetadata,
<a name="l00140"></a>00140                                      <span class="keyword">const</span> <span class="keywordtype">char</span> * pszDomain = <span class="stringliteral">""</span> );
<a name="l00141"></a>00141     <span class="keyword">virtual</span> CPLErr      <a class="code" href="classGDALMajorObject.html#3e157735f6ff6e11935c2a2dbcc24c92">SetMetadataItem</a>( <span class="keyword">const</span> <span class="keywordtype">char</span> * pszName,
<a name="l00142"></a>00142                                          <span class="keyword">const</span> <span class="keywordtype">char</span> * pszValue,
<a name="l00143"></a>00143                                          <span class="keyword">const</span> <span class="keywordtype">char</span> * pszDomain = <span class="stringliteral">""</span> );
<a name="l00144"></a>00144 
<a name="l00145"></a>00145     <span class="keyword">virtual</span> CPLErr CloneInfo( <a class="code" href="classGDALDataset.html">GDALDataset</a> *poSrcDS, <span class="keywordtype">int</span> nCloneInfoFlags );
<a name="l00146"></a>00146 
<a name="l00147"></a>00147 
<a name="l00148"></a>00148     <span class="comment">// "semi private" methods.</span>
<a name="l00149"></a>00149     <span class="keywordtype">void</span>   MarkPamDirty() { nPamFlags |= GPF_DIRTY; }
<a name="l00150"></a>00150     GDALDatasetPamInfo *GetPamInfo() { <span class="keywordflow">return</span> psPam; }
<a name="l00151"></a>00151 };
<a name="l00152"></a>00152 
<a name="l00153"></a>00153 <span class="comment">/* ==================================================================== */</span>
<a name="l00154"></a>00154 <span class="comment">/*      GDALDatasetPamInfo                                              */</span>
<a name="l00155"></a>00155 <span class="comment">/*                                                                      */</span>
<a name="l00156"></a>00156 <span class="comment">/*      We make these things a seperate structure of information        */</span>
<a name="l00157"></a>00157 <span class="comment">/*      primarily so we can modify it without altering the size of      */</span>
<a name="l00158"></a>00158 <span class="comment">/*      the GDALPamDataset.  It is an effort to reduce ABI churn for    */</span>
<a name="l00159"></a>00159 <span class="comment">/*      driver plugins.                                                 */</span>
<a name="l00160"></a>00160 <span class="comment">/* ==================================================================== */</span>
<a name="l00161"></a>00161 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00162"></a>00162     GDALPamDataset *poParentDS;
<a name="l00163"></a>00163 
<a name="l00164"></a>00164     <span class="keywordtype">int</span>            bNoDataValueSet;
<a name="l00165"></a>00165     <span class="keywordtype">double</span>         dfNoDataValue;
<a name="l00166"></a>00166 
<a name="l00167"></a>00167     GDALColorTable *poColorTable;
<a name="l00168"></a>00168 
<a name="l00169"></a>00169     <a class="code" href="gdal_8h.html#ce76452d94514561fffa8ea1d2a5968c">GDALColorInterp</a> eColorInterp;
<a name="l00170"></a>00170 
<a name="l00171"></a>00171     <span class="keywordtype">char</span>           *pszUnitType;
<a name="l00172"></a>00172     <span class="keywordtype">char</span>           **papszCategoryNames;
<a name="l00173"></a>00173     
<a name="l00174"></a>00174     <span class="keywordtype">double</span>         dfOffset;
<a name="l00175"></a>00175     <span class="keywordtype">double</span>         dfScale;
<a name="l00176"></a>00176 
<a name="l00177"></a>00177     <span class="keywordtype">int</span>            bHaveMinMax;
<a name="l00178"></a>00178     <span class="keywordtype">double</span>         dfMin;
<a name="l00179"></a>00179     <span class="keywordtype">double</span>         dfMax;
<a name="l00180"></a>00180 
<a name="l00181"></a>00181     <span class="keywordtype">int</span>            bHaveStats;
<a name="l00182"></a>00182     <span class="keywordtype">double</span>         dfMean;
<a name="l00183"></a>00183     <span class="keywordtype">double</span>         dfStdDev;