projections_8h.html

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Convert an a Datum Code to a string of the Datum Name.     </td>
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<a class="anchor" name="c50505e934077b534f592ac1c14d8386"></a><!-- doxytag: member="Projections.h::DatumToStringShort" ref="c50505e934077b534f592ac1c14d8386" args="(int d)" --><p>
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          <td class="md" nowrap valign="top">const char* DatumToStringShort           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">int&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>d</em>          </td>
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Convert a Datum Code to a (short) string of the Datum Name.     </td>
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<a class="anchor" name="8934b4683c35a2048ce19f1fe3d02cf5"></a><!-- doxytag: member="Projections.h::EstimateDegreesToMeters" ref="8934b4683c35a2048ce19f1fe3d02cf5" args="(double latitude)" --><p>
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          <td class="md" nowrap valign="top">double EstimateDegreesToMeters           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">double&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>latitude</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Determine an approximate conversion from degrees of longitude to meters, given a latitude in degrees.     </td>
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<a class="anchor" name="492102444d010e17e0a67aaa525e451c"></a><!-- doxytag: member="Projections.h::GetLinearUnitName" ref="492102444d010e17e0a67aaa525e451c" args="(LinearUnits lu)" --><p>
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          <td class="md" nowrap valign="top">const char* GetLinearUnitName           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">LinearUnits&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>lu</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Return a string describing the units.     </td>
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<a class="anchor" name="f49e44a4a6b2c96ebab9ac6ca129f663"></a><!-- doxytag: member="Projections.h::GetMetersPerUnit" ref="f49e44a4a6b2c96ebab9ac6ca129f663" args="(LinearUnits lu)" --><p>
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          <td class="md" nowrap valign="top">double GetMetersPerUnit           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">LinearUnits&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>lu</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Return the number of meters for a given type of linear units     </td>
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<a class="anchor" name="fb4da90ad3112e75e38970af7fceceb9"></a><!-- doxytag: member="Projections.h::GetStatePlaneTable" ref="fb4da90ad3112e75e38970af7fceceb9" args="()" --><p>
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          <td class="md" nowrap valign="top">StatePlaneInfo* GetStatePlaneTable           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
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Provides access to the State Plane Table     </td>
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<a class="anchor" name="ae7213444a806bb044f0ff75f189fcd4"></a><!-- doxytag: member="Projections.h::MetersPerLongitude" ref="ae7213444a806bb044f0ff75f189fcd4" args="(double latitude)" --><p>
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          <td class="md" nowrap valign="top">double MetersPerLongitude           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">double&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>latitude</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Return number of meters per degree of longitude, at a given latitude.     </td>
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<a class="anchor" name="66dceadbb98e9b3320b341a910e34006"></a><!-- doxytag: member="Projections.h::ReadAssociatedWorldFile" ref="66dceadbb98e9b3320b341a910e34006" args="(const char *filename_base, double params[6])" --><p>
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          <td class="md" nowrap valign="top">bool ReadAssociatedWorldFile           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const char *&nbsp;</td>
          <td class="mdname" nowrap> <em>filename_base</em>, </td>
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          <td class="md" nowrap align="right"></td>
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          <td class="md" nowrap>double&nbsp;</td>
          <td class="mdname" nowrap> <em>params</em>[6]</td>
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          <td class="md">)&nbsp;</td>
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Read the contents of a world file. You can pass any filename, and it will look for the corresponding world file.     </td>
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<a class="anchor" name="b6b7c750e4d50e9ddb303714bd9c506a"></a><!-- doxytag: member="Projections.h::SetupEPSGDatums" ref="b6b7c750e4d50e9ddb303714bd9c506a" args="()" --><p>
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          <td class="md" nowrap valign="top">void SetupEPSGDatums           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
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Setup the global array of EPSG Datums, accessible as g_EPSGDatums.     </td>
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