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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "forward.h"</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <limits></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <isce3/core/forward.h></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <isce3/io/forward.h></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <isce3/product/forward.h></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <isce3/core/Constants.h></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <pyre/journal.h></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>isce3 { <span class="keyword">namespace </span>geometry {</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d"> 19</a></span> <span class="keyword">enum</span> <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  BETA_NAUGHT = 0,</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  SIGMA_NAUGHT_ELLIPSOID = 1,</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> };</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6"> 25</a></span> <span class="keyword">enum</span> <a class="code" href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6">rtcMemoryMode</a> {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  RTC_AUTO = 0,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  RTC_SINGLE_BLOCK = 1,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  RTC_BLOCKS_GEOGRID = 2,</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> </div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed"> 32</a></span> <span class="keyword">enum</span> <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> { AREA = 0, AREA_FACTOR = 1 };</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60"> 36</a></span> <span class="keyword">enum</span> <a class="code" href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60">rtcAlgorithm</a> { RTC_DAVID_SMALL = 0, RTC_AREA_PROJECTION = 1 };</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">void</span> <a class="code" href="namespaceisce3_1_1geometry.html#afaebfb35130556931774bc19a608d112">applyRTC</a>(</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a>& radarGrid,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1Orbit.html">isce3::core::Orbit</a>& orbit, <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1LUT2d.html">isce3::core::LUT2d<double></a>& dop,</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& input_raster, <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& dem_raster,</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& output_raster,</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> inputRadiometry = rtcInputRadiometry::BETA_NAUGHT,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">int</span> exponent = 0, <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode = rtcAreaMode::AREA_FACTOR,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60">rtcAlgorithm</a> rtc_algorithm = rtcAlgorithm::RTC_AREA_PROJECTION,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">double</span> geogrid_upsampling = std::numeric_limits<double>::quiet_NaN(),</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">float</span> rtc_min_value_db = std::numeric_limits<float>::quiet_NaN(),</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">double</span> abs_cal_factor = 1, <span class="keywordtype">float</span> radar_grid_nlooks = 1,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_nlooks = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* input_rtc = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* output_rtc = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6">rtcMemoryMode</a> rtc_memory_mode = rtcMemoryMode::RTC_AUTO);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keywordtype">void</span> <a class="code" href="namespaceisce3_1_1geometry.html#a4ce8d1c96cc0a40140f695f999e8104b">facetRTC</a>(</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classisce3_1_1product_1_1Product.html">isce3::product::Product</a>& product, <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& dem_raster,</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& output_raster, <span class="keywordtype">char</span> frequency = <span class="charliteral">'A'</span>,</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">bool</span> native_doppler = <span class="keyword">false</span>,</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> inputRadiometry = rtcInputRadiometry::BETA_NAUGHT,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode = rtcAreaMode::AREA_FACTOR,</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60">rtcAlgorithm</a> rtc_algorithm = rtcAlgorithm::RTC_AREA_PROJECTION,</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">double</span> geogrid_upsampling = std::numeric_limits<double>::quiet_NaN(),</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">float</span> rtc_min_value_db = std::numeric_limits<float>::quiet_NaN(),</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">size_t</span> nlooks_az = 1, <span class="keywordtype">size_t</span> nlooks_rg = 1,</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_nlooks = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6">rtcMemoryMode</a> rtc_memory_mode = rtcMemoryMode::RTC_AUTO);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keywordtype">void</span> <a class="code" href="namespaceisce3_1_1geometry.html#a4ce8d1c96cc0a40140f695f999e8104b">facetRTC</a>(</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a>& radarGrid,</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1Orbit.html">isce3::core::Orbit</a>& orbit, <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1LUT2d.html">isce3::core::LUT2d<double></a>& dop,</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& dem, <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& output_raster,</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> inputRadiometry = rtcInputRadiometry::BETA_NAUGHT,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode = rtcAreaMode::AREA_FACTOR,</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60">rtcAlgorithm</a> rtc_algorithm = rtcAlgorithm::RTC_AREA_PROJECTION,</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">double</span> geogrid_upsampling = std::numeric_limits<double>::quiet_NaN(),</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">float</span> rtc_min_value_db = std::numeric_limits<float>::quiet_NaN(),</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">float</span> radar_grid_nlooks = 1,</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_nlooks = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6">rtcMemoryMode</a> rtc_memory_mode = rtcMemoryMode::RTC_AUTO,</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="namespaceisce3_1_1core.html#a22d6f9cff6792e3f542529600d50ebce">isce3::core::dataInterpMethod</a> interp_method =</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  isce3::core::dataInterpMethod::BIQUINTIC_METHOD,</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">double</span> threshold = 1e-4, <span class="keywordtype">int</span> num_iter = 100, <span class="keywordtype">double</span> delta_range = 1e-4);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keywordtype">void</span> <a class="code" href="namespaceisce3_1_1geometry.html#a4ce8d1c96cc0a40140f695f999e8104b">facetRTC</a>(</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& dem_raster, <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& output_raster,</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a>& radarGrid,</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1Orbit.html">isce3::core::Orbit</a>& orbit, <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1LUT2d.html">isce3::core::LUT2d<double></a>& dop,</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y0, <span class="keyword">const</span> <span class="keywordtype">double</span> dy, <span class="keyword">const</span> <span class="keywordtype">double</span> x0, <span class="keyword">const</span> <span class="keywordtype">double</span> dx,</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_length, <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_width,</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> epsg,</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> inputRadiometry = rtcInputRadiometry::BETA_NAUGHT,</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode = rtcAreaMode::AREA_FACTOR,</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60">rtcAlgorithm</a> rtc_algorithm = rtcAlgorithm::RTC_AREA_PROJECTION,</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">double</span> geogrid_upsampling = std::numeric_limits<double>::quiet_NaN(),</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">float</span> rtc_min_value_db = std::numeric_limits<float>::quiet_NaN(),</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordtype">float</span> radar_grid_nlooks = 1,</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_geo_vertices = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_geo_grid = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_nlooks = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6">rtcMemoryMode</a> rtc_memory_mode = rtcMemoryMode::RTC_AUTO,</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="namespaceisce3_1_1core.html#a22d6f9cff6792e3f542529600d50ebce">isce3::core::dataInterpMethod</a> interp_method =</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  isce3::core::dataInterpMethod::BIQUINTIC_METHOD,</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">double</span> threshold = 1e-4, <span class="keywordtype">int</span> num_iter = 100, <span class="keywordtype">double</span> delta_range = 1e-4);</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="keywordtype">void</span> <a class="code" href="namespaceisce3_1_1geometry.html#a198ada06a2883dba4ea8ba4d7064fd26">facetRTCDavidSmall</a>(</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& dem_raster, <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& output_raster,</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a>& radarGrid,</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1Orbit.html">isce3::core::Orbit</a>& orbit, <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1LUT2d.html">isce3::core::LUT2d<double></a>& dop,</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y0, <span class="keyword">const</span> <span class="keywordtype">double</span> dy, <span class="keyword">const</span> <span class="keywordtype">double</span> x0, <span class="keyword">const</span> <span class="keywordtype">double</span> dx,</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_length, <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_width,</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> epsg,</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> inputRadiometry = rtcInputRadiometry::BETA_NAUGHT,</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode = rtcAreaMode::AREA_FACTOR,</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">double</span> geogrid_upsampling = std::numeric_limits<double>::quiet_NaN());</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="keywordtype">void</span> <a class="code" href="namespaceisce3_1_1geometry.html#a30dffc6bac59625a0567bd798203c43f">facetRTCAreaProj</a>(</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& dem, <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>& output_raster,</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a>& radarGrid,</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1Orbit.html">isce3::core::Orbit</a>& orbit, <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1LUT2d.html">isce3::core::LUT2d<double></a>& dop,</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y0, <span class="keyword">const</span> <span class="keywordtype">double</span> dy, <span class="keyword">const</span> <span class="keywordtype">double</span> x0, <span class="keyword">const</span> <span class="keywordtype">double</span> dx,</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_length, <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_width,</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> epsg,</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> inputRadiometry = rtcInputRadiometry::BETA_NAUGHT,</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode = rtcAreaMode::AREA_FACTOR,</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordtype">double</span> geogrid_upsampling = std::numeric_limits<double>::quiet_NaN(),</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">float</span> rtc_min_value_db = std::numeric_limits<float>::quiet_NaN(),</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordtype">float</span> radar_grid_nlooks = 1,</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_geo_vertices = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_geo_grid = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <a class="code" href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a>* out_nlooks = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6">rtcMemoryMode</a> rtc_memory_mode = rtcMemoryMode::RTC_AUTO,</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="namespaceisce3_1_1core.html#a22d6f9cff6792e3f542529600d50ebce">isce3::core::dataInterpMethod</a> interp_method =</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  isce3::core::dataInterpMethod::BIQUINTIC_METHOD,</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordtype">double</span> threshold = 1e-4, <span class="keywordtype">int</span> num_iter = 100, <span class="keywordtype">double</span> delta_range = 1e-4);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="keywordtype">void</span> areaProjIntegrateSegment(<span class="keywordtype">double</span> y1, <span class="keywordtype">double</span> y2, <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2,</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> width,</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <a class="code" href="classisce3_1_1core_1_1Matrix.html">isce3::core::Matrix<double></a>& w_arr,</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordtype">double</span>& w_total, <span class="keywordtype">int</span> plane_orientation);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="keywordtype">int</span> areaProjGetNBlocks(<span class="keywordtype">int</span> array_length,</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  pyre::journal::info_t* channel = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordtype">int</span> upsampling = 0,</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">int</span>* block_length_with_upsampling = <span class="keyword">nullptr</span>, </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">int</span>* block_length = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordtype">int</span> min_block_length = std::pow(2, 8), <span class="comment">// 256</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">int</span> max_block_length = std::pow(2, 10)); <span class="comment">// 1024</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="keywordtype">double</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> computeUpsamplingFactor(<span class="keyword">const</span> DEMInterpolator& dem_interp,</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a>& radar_grid,</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1core_1_1Ellipsoid.html">isce3::core::Ellipsoid</a>& ellps);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="keywordtype">double</span> computeFacet(<a class="code" href="classisce3_1_1core_1_1Vector.html">isce3::core::Vec3</a> xyz_center, <a class="code" href="classisce3_1_1core_1_1Vector.html">isce3::core::Vec3</a> xyz_left,</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <a class="code" href="classisce3_1_1core_1_1Vector.html">isce3::core::Vec3</a> xyz_right, <a class="code" href="classisce3_1_1core_1_1Vector.html">isce3::core::Vec3</a> lookXYZ,</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordtype">double</span> p1, <span class="keywordtype">double</span>& p3, <span class="keywordtype">double</span> divisor,</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordtype">bool</span> clockwise_direction);</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> std::string <a class="code" href="namespaceisce3_1_1geometry.html#a87ba304bff2bf73b9b022e68c3845176">get_input_radiometry_str</a>(<a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> input_radiometry);</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> std::string <a class="code" href="namespaceisce3_1_1geometry.html#a44879330852456ab7b519067073e4533">get_rtc_area_mode_str</a>(<a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode);</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> std::string <a class="code" href="namespaceisce3_1_1geometry.html#a47172b7d66c581749300ba395fd91708">get_rtc_algorithm_str</a>(<a class="code" href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60">rtcAlgorithm</a> rtc_algorithm);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="keywordtype">void</span> print_parameters(</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  pyre::journal::info_t& channel,</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">const</span> <a class="code" href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a>& radar_grid, <span class="keyword">const</span> <span class="keywordtype">double</span> y0,</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dy, <span class="keyword">const</span> <span class="keywordtype">double</span> x0, <span class="keyword">const</span> <span class="keywordtype">double</span> dx,</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_length, <span class="keyword">const</span> <span class="keywordtype">int</span> geogrid_width,</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <a class="code" href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">rtcInputRadiometry</a> input_radiometry, <a class="code" href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">rtcAreaMode</a> rtc_area_mode,</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordtype">double</span> geogrid_upsampling,</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordtype">float</span> rtc_min_value_db = std::numeric_limits<float>::quiet_NaN());</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> } <span class="comment">// namespace geometry</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> } <span class="comment">// namespace isce3</span></div>
<div class="ttc" id="namespaceisce3_1_1core_html_a22d6f9cff6792e3f542529600d50ebce"><div class="ttname"><a href="namespaceisce3_1_1core.html#a22d6f9cff6792e3f542529600d50ebce">isce3::core::dataInterpMethod</a></div><div class="ttdeci">dataInterpMethod</div><div class="ttdoc">Enumeration type to indicate interpolation method. </div><div class="ttdef"><b>Definition:</b> Constants.h:23</div></div>
<div class="ttc" id="classisce3_1_1core_1_1Ellipsoid_html"><div class="ttname"><a href="classisce3_1_1core_1_1Ellipsoid.html">isce3::core::Ellipsoid</a></div><div class="ttdoc">Data structure to store Ellipsoid information. </div><div class="ttdef"><b>Definition:</b> Ellipsoid.h:20</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a4ce8d1c96cc0a40140f695f999e8104b"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a4ce8d1c96cc0a40140f695f999e8104b">isce3::geometry::facetRTC</a></div><div class="ttdeci">void facetRTC(isce3::product::Product &product, isce3::io::Raster &dem_raster, isce3::io::Raster &output_raster, char frequency, bool native_doppler, rtcInputRadiometry input_radiometry, rtcAreaMode rtc_area_mode, rtcAlgorithm rtc_algorithm, double geogrid_upsampling, float rtc_min_value_db, size_t nlooks_az, size_t nlooks_rg, isce3::io::Raster *out_nlooks, rtcMemoryMode rtc_memory_mode)</div><div class="ttdoc">Generate radiometric terrain correction (RTC) area or area factor. </div><div class="ttdef"><b>Definition:</b> RTC.cpp:339</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a44879330852456ab7b519067073e4533"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a44879330852456ab7b519067073e4533">isce3::geometry::get_rtc_area_mode_str</a></div><div class="ttdeci">std::string get_rtc_area_mode_str(rtcAreaMode rtc_area_mode)</div><div class="ttdoc">Convert enum output_mode to string. </div><div class="ttdef"><b>Definition:</b> RTC.cpp:1401</div></div>
<div class="ttc" id="classisce3_1_1product_1_1RadarGridParameters_html"><div class="ttname"><a href="classisce3_1_1product_1_1RadarGridParameters.html">isce3::product::RadarGridParameters</a></div><div class="ttdef"><b>Definition:</b> RadarGridParameters.h:15</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_afaebfb35130556931774bc19a608d112"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#afaebfb35130556931774bc19a608d112">isce3::geometry::applyRTC</a></div><div class="ttdeci">void applyRTC(const isce3::product::RadarGridParameters &radar_grid, const isce3::core::Orbit &orbit, const isce3::core::LUT2d< double > &input_dop, isce3::io::Raster &input_raster, isce3::io::Raster &dem_raster, isce3::io::Raster &output_raster, rtcInputRadiometry input_radiometry, int exponent, rtcAreaMode rtc_area_mode, rtcAlgorithm rtc_algorithm, double geogrid_upsampling, float rtc_min_value_db, double abs_cal_factor, float radar_grid_nlooks, isce3::io::Raster *out_nlooks, isce3::io::Raster *input_rtc, isce3::io::Raster *output_rtc, rtcMemoryMode rtc_memory_mode)</div><div class="ttdoc">Apply radiometric terrain correction (RTC) over an input raster. </div><div class="ttdef"><b>Definition:</b> RTC.cpp:165</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a9ef4d1ed0cd0024d2c3e5d660881f0a6"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a9ef4d1ed0cd0024d2c3e5d660881f0a6">isce3::geometry::rtcMemoryMode</a></div><div class="ttdeci">rtcMemoryMode</div><div class="ttdoc">Enumeration type to indicate memory management. </div><div class="ttdef"><b>Definition:</b> RTC.h:25</div></div>
<div class="ttc" id="classisce3_1_1core_1_1Matrix_html"><div class="ttname"><a href="classisce3_1_1core_1_1Matrix.html">isce3::core::Matrix< double ></a></div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a8c7822e28716a12eab8e11707f301e60"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a8c7822e28716a12eab8e11707f301e60">isce3::geometry::rtcAlgorithm</a></div><div class="ttdeci">rtcAlgorithm</div><div class="ttdoc">Enumeration type to select RTC algorithm (RTC_DAVID_SMALL or RTC_AREA_PROJECTION) ...</div><div class="ttdef"><b>Definition:</b> RTC.h:36</div></div>
<div class="ttc" id="classisce3_1_1core_1_1LUT2d_html"><div class="ttname"><a href="classisce3_1_1core_1_1LUT2d.html">isce3::core::LUT2d< double ></a></div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_abfd018032ed58a60e5f545b07ba2bfed"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#abfd018032ed58a60e5f545b07ba2bfed">isce3::geometry::rtcAreaMode</a></div><div class="ttdeci">rtcAreaMode</div><div class="ttdoc">Enumeration type to indicate RTC area mode (AREA or AREA_FACTOR) </div><div class="ttdef"><b>Definition:</b> RTC.h:32</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a30dffc6bac59625a0567bd798203c43f"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a30dffc6bac59625a0567bd798203c43f">isce3::geometry::facetRTCAreaProj</a></div><div class="ttdeci">void facetRTCAreaProj(isce3::io::Raster &dem_raster, isce3::io::Raster &output_raster, const isce3::product::RadarGridParameters &radar_grid, const isce3::core::Orbit &orbit, const isce3::core::LUT2d< double > &input_dop, const double y0, const double dy, const double x0, const double dx, const int geogrid_length, const int geogrid_width, const int epsg, rtcInputRadiometry input_radiometry, rtcAreaMode rtc_area_mode, double geogrid_upsampling, float rtc_min_value_db, float radar_grid_nlooks, isce3::io::Raster *out_geo_vertices, isce3::io::Raster *out_geo_grid, isce3::io::Raster *out_nlooks, rtcMemoryMode rtc_memory_mode, isce3::core::dataInterpMethod interp_method, double threshold, int num_iter, double delta_range)</div><div class="ttdoc">Generate radiometric terrain correction (RTC) area or area factor using the area projection algorithm...</div><div class="ttdef"><b>Definition:</b> RTC.cpp:1249</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a47172b7d66c581749300ba395fd91708"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a47172b7d66c581749300ba395fd91708">isce3::geometry::get_rtc_algorithm_str</a></div><div class="ttdeci">std::string get_rtc_algorithm_str(rtcAlgorithm rtc_algorithm)</div><div class="ttdoc">Convert enum output_mode to string. </div><div class="ttdef"><b>Definition:</b> RTC.cpp:1415</div></div>
<div class="ttc" id="classisce3_1_1product_1_1Product_html"><div class="ttname"><a href="classisce3_1_1product_1_1Product.html">isce3::product::Product</a></div><div class="ttdef"><b>Definition:</b> Product.h:29</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a87ba304bff2bf73b9b022e68c3845176"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a87ba304bff2bf73b9b022e68c3845176">isce3::geometry::get_input_radiometry_str</a></div><div class="ttdeci">std::string get_input_radiometry_str(rtcInputRadiometry input_radiometry)</div><div class="ttdoc">Convert enum input_radiometry to string. </div><div class="ttdef"><b>Definition:</b> RTC.cpp:1383</div></div>
<div class="ttc" id="classisce3_1_1core_1_1Orbit_html"><div class="ttname"><a href="classisce3_1_1core_1_1Orbit.html">isce3::core::Orbit</a></div><div class="ttdoc">Sequence of platform ephemeris samples (state vectors) with uniform temporal spacing, supporting efficient lookup and interpolation. </div><div class="ttdef"><b>Definition:</b> Orbit.h:43</div></div>
<div class="ttc" id="classisce3_1_1core_1_1Vector_html"><div class="ttname"><a href="classisce3_1_1core_1_1Vector.html">isce3::core::Vector< 3 ></a></div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a3152617906cf72c5a9e2adebb1cbee2d"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a3152617906cf72c5a9e2adebb1cbee2d">isce3::geometry::rtcInputRadiometry</a></div><div class="ttdeci">rtcInputRadiometry</div><div class="ttdoc">Enumeration type to indicate input terrain radiometry (for RTC) </div><div class="ttdef"><b>Definition:</b> RTC.h:19</div></div>
<div class="ttc" id="classisce3_1_1io_1_1Raster_html"><div class="ttname"><a href="classisce3_1_1io_1_1Raster.html">isce3::io::Raster</a></div><div class="ttdoc">Data structure meant to handle Raster I/O operations. </div><div class="ttdef"><b>Definition:</b> Raster.h:34</div></div>
<div class="ttc" id="namespaceisce3_1_1geometry_html_a198ada06a2883dba4ea8ba4d7064fd26"><div class="ttname"><a href="namespaceisce3_1_1geometry.html#a198ada06a2883dba4ea8ba4d7064fd26">isce3::geometry::facetRTCDavidSmall</a></div><div class="ttdeci">void facetRTCDavidSmall(isce3::io::Raster &dem_raster, isce3::io::Raster &output_raster, const isce3::product::RadarGridParameters &radar_grid, const isce3::core::Orbit &orbit, const isce3::core::LUT2d< double > &input_dop, const double y0, const double dy, const double x0, const double dx, const int geogrid_length, const int geogrid_width, const int epsg, rtcInputRadiometry input_radiometry, rtcAreaMode rtc_area_mode, double upsample_factor)</div><div class="ttdoc">Generate radiometric terrain correction (RTC) area or area factor using the David Small algorithm...</div><div class="ttdef"><b>Definition:</b> RTC.cpp:582</div></div>
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