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<div id="projectname">Gamedev Framework (gf)
 <span id="projectnumber">0.6.0</span>
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<div id="projectbrief">A C++11 framework for 2D games</div>
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<div class="title">Heightmap.h</div> </div>
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<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"> * Gamedev Framework (gf)</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 2016-2017 Julien Bernard</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This software is provided 'as-is', without any express or implied</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * warranty. In no event will the authors be held liable for any damages</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * arising from the use of this software.</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"> * Permission is granted to anyone to use this software for any purpose,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * including commercial applications, and to alter it and redistribute it</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * freely, subject to the following restrictions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 1. The origin of this software must not be misrepresented; you must not</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * claim that you wrote the original software. If you use this software</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * in a product, an acknowledgment in the product documentation would be</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * appreciated but is not required.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * 2. Altered source versions must be plainly marked as such, and must not be</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * misrepresented as being the original software.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * 3. This notice may not be removed or altered from any source distribution.</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="preprocessor">#</span><span class="preprocessor">ifndef</span> <span class="preprocessor">GF_HEIGHTMAP_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#</span><span class="preprocessor">define</span> <span class="preprocessor">GF_HEIGHTMAP_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#</span><span class="preprocessor">include</span> <span class="preprocessor"><</span><span class="preprocessor">tuple</span><span class="preprocessor">></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#</span><span class="preprocessor">include</span> <a class="code" href="_array2_d_8h.html">"Array2D.h"</a></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#</span><span class="preprocessor">include</span> <a class="code" href="_color_ramp_8h.html">"ColorRamp.h"</a></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#</span><span class="preprocessor">include</span> <a class="code" href="_image_8h.html">"Image.h"</a></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#</span><span class="preprocessor">include</span> <a class="code" href="_noise_8h.html">"Noise.h"</a></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#</span><span class="preprocessor">include</span> <a class="code" href="_portability_8h.html">"Portability.h"</a></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#</span><span class="preprocessor">include</span> <a class="code" href="_rect_8h.html">"Rect.h"</a></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace</span> <a class="code" href="namespacegf.html">gf</a> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#</span><span class="preprocessor">ifndef</span> <span class="preprocessor">DOXYGEN_SHOULD_SKIP_THIS</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">inline</span> <span class="keyword">namespace</span> v1 {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#</span><span class="preprocessor">endif</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">/**</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * @ingroup core</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * @brief A heightmap</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> *</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * @sa gf::midpointDisplacement2D(), gf::diamondSquare2D()</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> */</span></div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html"> 44</a></span>  <span class="keyword">class</span> <a class="code" href="_portability_8h.html#a0169111e0ff1d9fe0f23dee89e904d57">GF_API</a> <a class="code" href="classgf_1_1_heightmap.html">Heightmap</a> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">/**</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * @brief Constructor</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> *</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * @param size The size of the heightmap</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> */</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classgf_1_1_heightmap.html#a93020b746ea67fb83ed3ce520ca60a17">Heightmap</a>(Vector2i size);</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"> * @brief Get the size of the heightmap</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> <span class="comment"> * @returns The current size of the heightmap</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> */</span></div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#ae77848b6cdd60658af1d15764cde6bac"> 58</a></span>  Vector2i <a class="code" href="classgf_1_1_heightmap.html#ae77848b6cdd60658af1d15764cde6bac">getSize</a>() <span class="keyword">const</span> {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> m_data.getSize();</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">/**</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * @brief Reset the heightmap</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> *</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * The values are all set to @f$ 0.0 @f$</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> */</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a0f73c3f4a6ba9245aefc70f5854b3263">reset</a>();</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">/**</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> * @brief Get the value at the specified position</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> *</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * @param position A position</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * @returns The value at the given position</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> */</span></div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#ad4025649625bd737917459a9cef8437e"> 75</a></span>  <span class="keywordtype">double</span> <a class="code" href="classgf_1_1_heightmap.html#ad4025649625bd737917459a9cef8437e">getValue</a>(Vector2i position) <span class="keyword">const</span> {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> m_data(position);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">/**</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * @brief Set the value at the specified position</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> *</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> * @param position A position</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> * @param value The new value</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> */</span></div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#a61242f9a76feea5df8cc87242e0d9274"> 85</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a61242f9a76feea5df8cc87242e0d9274">setValue</a>(Vector2i position, <span class="keywordtype">double</span> value) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  m_data(position) = value;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">/**</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> * @brief Get the minimum and maximum of the heightmap</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> *</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> * @returns A pair with the first element being the minimum and the second element the maximum</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> */</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  std::tuple<<span class="keywordtype">double</span>, <span class="keywordtype">double</span>> <a class="code" href="classgf_1_1_heightmap.html#a00bf3f3607071404dae70605fab93869">getMinMax</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">/**</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> * @name Shaping</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> */</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">/**</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> * @brief Normalize the heightmap</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> *</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * @param min The new minimum value (defaults to @f$ 0.0 @f$)</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * @param max The new maximum value (defaults to @f$ 1.0 @f$)</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> */</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#acc9d34fd2541c3ad0438eea4a972d55e">normalize</a>(<span class="keywordtype">double</span> min = 0.0, <span class="keywordtype">double</span> max = 1.0);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">/**</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> * @brief Add a hill to the heightmap</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> *</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> * @param center The center of the hill</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> * @param radius The radius of the hill</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * @param height The height of the hill</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> */</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a599a8fbf293b6dda8a8ad0a88b315377">addHill</a>(Vector2d center, <span class="keywordtype">double</span> radius, <span class="keywordtype">double</span> height);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">/**</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * @brief Dig a hill in the heightmap</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> *</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * @param center The center of the hill</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * @param radius The radius of the hill</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> * @param height The height of the hill</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> */</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a23270fcee9c9daa170abda92f02d781f">digHill</a>(Vector2d center, <span class="keywordtype">double</span> radius, <span class="keywordtype">double</span> height);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">/**</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> * @brief Add a noise to the heightmap</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> *</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> * @param noise The noise to use</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> * @param scale The scale of the noise</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> */</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a91d4d0820d83a0017979d09eb0722e6d">addNoise</a>(<a class="code" href="classgf_1_1_noise2_d.html">Noise2D</a>& noise, <span class="keywordtype">double</span> scale = 1.0);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">/**</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> * @brief Add a constant to the heightmap</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> *</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> * @param value The value of the constant</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> */</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a7ca818c0848c0e79b9f78b59e71f6649">addValue</a>(<span class="keywordtype">double</span> value);</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="comment">/**</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> * @brief Scale the values of the heightmap</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> *</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> * @param value The factor of scaling</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> */</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#aaa100a9175f8dd28fd43b39a7d7769d3">scale</a>(<span class="keywordtype">double</span> value);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">/**</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * @brief Clamp the values of the heightmap</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> *</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * @param min The minimum value (defaults to @f$ 0.0 @f$)</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * @param max The maximum value (defaults to @f$ 1.0 @f$)</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * @sa normalize()</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> */</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a34f44c5d6f642b142412ac9be23329cf">clamp</a>(<span class="keywordtype">double</span> min = 0.0, <span class="keywordtype">double</span> max = 1.0);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">/**</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * @}</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> */</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">/**</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> * @name Erosion</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> */</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">/**</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * @brief Compute the slope at a position</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> *</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> * The slope is defined as "the greatest of the height differences between</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> * the cell and its four neighbours in a Von Neumann neighbourhood".</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> *</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * @f[ \text{slope}(x, y) = \max(|h(x,y) - h(x - 1, y)|, |h(x,y) - h(x + 1, y)|, |h(x,y) - h(x, y - 1)|, |h(x,y) - h(x, y + 1)|) @f]</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> *</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * @param position The given position</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> */</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">double</span> <a class="code" href="classgf_1_1_heightmap.html#a4d6fbfcede9b757fb37d8e76097bc319">getSlope</a>(Vector2i position) <span class="keyword">const</span>;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">/**</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * @brief Apply thermal erosion to the heightmap</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> *</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> * @param iterations The number of iterations</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * @param talus The minimum difference for a move of material (typically @f$ \frac{4}{N} @f$)</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> * @param fraction The fraction of material that moves (typically @f$ 0.5 @f$)</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> */</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a7e75d60d09325cf6d8b5314a8b5e8494">thermalErosion</a>(<span class="keywordtype">unsigned</span> iterations, <span class="keywordtype">double</span> talus, <span class="keywordtype">double</span> fraction);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">/**</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> * @brief Apply hydraulic erosision to the heightmap</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> *</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> * @param iterations The number of iterations</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> * @param rainAmount The amount of rain each cell receives at each iteration (typically @f$ 0.01 @f$)</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> * @param solubility The solubility of the terrain (typically @f$ 0.01 @f$)</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> * @param evaporation The proportion of evaporated water at each iteration (typically @f$ 0.5 @f$)</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> * @param capacity The maximum proportion of material that can be carried by water (typically @f$ 0.01 @f$)</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> */</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#a3f236a680689d7139772a9b4bcb7d38d">hydraulicErosion</a>(<span class="keywordtype">unsigned</span> iterations, <span class="keywordtype">double</span> rainAmount, <span class="keywordtype">double</span> solubility, <span class="keywordtype">double</span> evaporation, <span class="keywordtype">double</span> capacity);</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">/**</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> * @brief Apply fast erosion to the heightmap</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> *</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * @param iterations The number of iterations</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> * @param talus The maximum difference for a move of material (typically @f$ \frac{8}{N} @f$ or more)</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * @param fraction The fraction of material that moves (typically @f$ 0.5 @f$)</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> */</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_heightmap.html#aafdac386fbe1379ae476e5810da9488d">fastErosion</a>(<span class="keywordtype">unsigned</span> iterations, <span class="keywordtype">double</span> talus, <span class="keywordtype">double</span> fraction);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">/**</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * @brief Compute the erosion score for the heightmap</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> *</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * The erosion score is the average slope divided by the standard</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> * deviation of slopes. A high erosion score means that the terrain has</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> * large flat areas and has some steep areas.</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> */</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">double</span> <a class="code" href="classgf_1_1_heightmap.html#ae4833677969e827030a098a195cbd0c2">getErosionScore</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">/**</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> * @}</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> */</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">/**</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> * @brief Rendering mode</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> */</span></div><div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4"> 224</a></span>  <span class="keyword">enum</span> <span class="keyword">class</span> <a class="code" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4">Render</a> {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4a23aad110ee43b97ef120fbbeb743d81c">Colored</a>, <span class="comment">///< Export to a simply colored image</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4a95e4c683b31aacc6c251c95780ff6808">Shaded</a>, <span class="comment">///< Export to a shaded image</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  };</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">/**</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * @name Export</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> */</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">/**</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> * @brief Get a sub-map of the heightmap</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> *</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * @param area The area of the sub-map in the heightmap</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> */</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="classgf_1_1_heightmap.html">Heightmap</a> <a class="code" href="classgf_1_1_heightmap.html#a7d1d6af9c7a00ceaf47391f607dd641c">subMap</a>(RectI area) <span class="keyword">const</span>;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">/**</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> * @brief Export to a grayscale image</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> *</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> * The heightmap is assumed to be normalized.</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> *</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * @returns A grayscale image representing the heightmap</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> *</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> * @sa copyToColoredImage()</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> */</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="classgf_1_1_image.html">Image</a> <a class="code" href="classgf_1_1_heightmap.html#a66e60f36f6c1aab6c0fa80d48b94191d">copyToGrayscaleImage</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">/**</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * @brief Export to a colored image</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> *</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> * The heightmap is assumed to be normalized.</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> *</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * The color ramp assumes that the water level is at @f$ 0.5 @f$. The</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * actual water level can be specified and the ramp is automatically</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * adapted on the fly.</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> *</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> * @param ramp A color ramp</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> * @param waterLevel The actual water level (defaults to @f$ 0.5 @f$)</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> * @param render The rendering mode</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * @returns A colored image representing the heightmap</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> *</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * @sa copyToGrayscaleImage()</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> */</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="classgf_1_1_image.html">Image</a> <a class="code" href="classgf_1_1_heightmap.html#a6f442648e8bad59bc400a213ed85a30e">copyToColoredImage</a>(<span class="keyword">const</span> <a class="code" href="structgf_1_1_color_ramp.html">ColorRamp</a>& ramp, <span class="keywordtype">double</span> waterLevel = 0.5, <a class="code" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4">Render</a> render = <a class="code" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4">Render</a><a class="code" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4a23aad110ee43b97ef120fbbeb743d81c">::</a><a class="code" href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4a23aad110ee43b97ef120fbbeb743d81c">Colored</a>) <span class="keyword">const</span>;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">/**</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> * @}</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> */</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <a class="code" href="classgf_1_1_array2_d.html">Array2D</a><<span class="keywordtype">double</span>, <span class="keywordtype">int</span>> m_data;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  };</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor">#</span><span class="preprocessor">ifndef</span> <span class="preprocessor">DOXYGEN_SHOULD_SKIP_THIS</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> }</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#</span><span class="preprocessor">endif</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#</span><span class="preprocessor">endif</span> <span class="comment">// GF_HEIGHTMAP_H</span></div><div class="ttc" id="classgf_1_1_heightmap_html_a61242f9a76feea5df8cc87242e0d9274"><div class="ttname"><a href="classgf_1_1_heightmap.html#a61242f9a76feea5df8cc87242e0d9274">gf::Heightmap::setValue</a></div><div class="ttdeci">void setValue(Vector2i position, double value)</div><div class="ttdoc">Set the value at the specified position. </div><div class="ttdef"><b>Definition:</b> Heightmap.h:85</div></div>
<div class="ttc" id="classgf_1_1_array2_d_html"><div class="ttname"><a href="classgf_1_1_array2_d.html">gf::Array2D</a></div><div class="ttdoc">A two-dimensional array. </div><div class="ttdef"><b>Definition:</b> Array2D.h:63</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a23270fcee9c9daa170abda92f02d781f"><div class="ttname"><a href="classgf_1_1_heightmap.html#a23270fcee9c9daa170abda92f02d781f">gf::Heightmap::digHill</a></div><div class="ttdeci">void digHill(Vector2d center, double radius, double height)</div><div class="ttdoc">Dig a hill in the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_ae4833677969e827030a098a195cbd0c2"><div class="ttname"><a href="classgf_1_1_heightmap.html#ae4833677969e827030a098a195cbd0c2">gf::Heightmap::getErosionScore</a></div><div class="ttdeci">double getErosionScore() const</div><div class="ttdoc">Compute the erosion score for the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_aafdac386fbe1379ae476e5810da9488d"><div class="ttname"><a href="classgf_1_1_heightmap.html#aafdac386fbe1379ae476e5810da9488d">gf::Heightmap::fastErosion</a></div><div class="ttdeci">void fastErosion(unsigned iterations, double talus, double fraction)</div><div class="ttdoc">Apply fast erosion to the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a91d4d0820d83a0017979d09eb0722e6d"><div class="ttname"><a href="classgf_1_1_heightmap.html#a91d4d0820d83a0017979d09eb0722e6d">gf::Heightmap::addNoise</a></div><div class="ttdeci">void addNoise(Noise2D &noise, double scale=1.0)</div><div class="ttdoc">Add a noise to the heightmap. </div></div>
<div class="ttc" id="structgf_1_1_color_ramp_html"><div class="ttname"><a href="structgf_1_1_color_ramp.html">gf::ColorRamp</a></div><div class="ttdoc">A color ramp. </div><div class="ttdef"><b>Definition:</b> ColorRamp.h:41</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a6f442648e8bad59bc400a213ed85a30e"><div class="ttname"><a href="classgf_1_1_heightmap.html#a6f442648e8bad59bc400a213ed85a30e">gf::Heightmap::copyToColoredImage</a></div><div class="ttdeci">Image copyToColoredImage(const ColorRamp &ramp, double waterLevel=0.5, Render render=Render::Colored) const</div><div class="ttdoc">Export to a colored image. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a599a8fbf293b6dda8a8ad0a88b315377"><div class="ttname"><a href="classgf_1_1_heightmap.html#a599a8fbf293b6dda8a8ad0a88b315377">gf::Heightmap::addHill</a></div><div class="ttdeci">void addHill(Vector2d center, double radius, double height)</div><div class="ttdoc">Add a hill to the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_aca20336340f6c9f326e6aeeee96d4ae4a95e4c683b31aacc6c251c95780ff6808"><div class="ttname"><a href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4a95e4c683b31aacc6c251c95780ff6808">gf::Heightmap::Render::Shaded</a></div><div class="ttdoc">Export to a shaded image. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html"><div class="ttname"><a href="classgf_1_1_heightmap.html">gf::Heightmap</a></div><div class="ttdoc">A heightmap. </div><div class="ttdef"><b>Definition:</b> Heightmap.h:44</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a93020b746ea67fb83ed3ce520ca60a17"><div class="ttname"><a href="classgf_1_1_heightmap.html#a93020b746ea67fb83ed3ce520ca60a17">gf::Heightmap::Heightmap</a></div><div class="ttdeci">Heightmap(Vector2i size)</div><div class="ttdoc">Constructor. </div></div>
<div class="ttc" id="classgf_1_1_noise2_d_html"><div class="ttname"><a href="classgf_1_1_noise2_d.html">gf::Noise2D</a></div><div class="ttdoc">2D A noise function </div><div class="ttdef"><b>Definition:</b> Noise.h:35</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_aaa100a9175f8dd28fd43b39a7d7769d3"><div class="ttname"><a href="classgf_1_1_heightmap.html#aaa100a9175f8dd28fd43b39a7d7769d3">gf::Heightmap::scale</a></div><div class="ttdeci">void scale(double value)</div><div class="ttdoc">Scale the values of the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_aca20336340f6c9f326e6aeeee96d4ae4a23aad110ee43b97ef120fbbeb743d81c"><div class="ttname"><a href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4a23aad110ee43b97ef120fbbeb743d81c">gf::Heightmap::Render::Colored</a></div><div class="ttdoc">Export to a simply colored image. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_ae77848b6cdd60658af1d15764cde6bac"><div class="ttname"><a href="classgf_1_1_heightmap.html#ae77848b6cdd60658af1d15764cde6bac">gf::Heightmap::getSize</a></div><div class="ttdeci">Vector2i getSize() const</div><div class="ttdoc">Get the size of the heightmap. </div><div class="ttdef"><b>Definition:</b> Heightmap.h:58</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_aca20336340f6c9f326e6aeeee96d4ae4"><div class="ttname"><a href="classgf_1_1_heightmap.html#aca20336340f6c9f326e6aeeee96d4ae4">gf::Heightmap::Render</a></div><div class="ttdeci">Render</div><div class="ttdoc">Rendering mode. </div><div class="ttdef"><b>Definition:</b> Heightmap.h:224</div></div>
<div class="ttc" id="classgf_1_1_image_html"><div class="ttname"><a href="classgf_1_1_image.html">gf::Image</a></div><div class="ttdoc">Class for loading, manipulating and saving images. </div><div class="ttdef"><b>Definition:</b> Image.h:92</div></div>
<div class="ttc" id="namespacegf_html"><div class="ttname"><a href="namespacegf.html">gf</a></div><div class="ttdoc">The namespace for gf classes. </div><div class="ttdef"><b>Definition:</b> Action.h:34</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a3f236a680689d7139772a9b4bcb7d38d"><div class="ttname"><a href="classgf_1_1_heightmap.html#a3f236a680689d7139772a9b4bcb7d38d">gf::Heightmap::hydraulicErosion</a></div><div class="ttdeci">void hydraulicErosion(unsigned iterations, double rainAmount, double solubility, double evaporation, double capacity)</div><div class="ttdoc">Apply hydraulic erosision to the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a0f73c3f4a6ba9245aefc70f5854b3263"><div class="ttname"><a href="classgf_1_1_heightmap.html#a0f73c3f4a6ba9245aefc70f5854b3263">gf::Heightmap::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Reset the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a4d6fbfcede9b757fb37d8e76097bc319"><div class="ttname"><a href="classgf_1_1_heightmap.html#a4d6fbfcede9b757fb37d8e76097bc319">gf::Heightmap::getSlope</a></div><div class="ttdeci">double getSlope(Vector2i position) const</div><div class="ttdoc">Compute the slope at a position. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a34f44c5d6f642b142412ac9be23329cf"><div class="ttname"><a href="classgf_1_1_heightmap.html#a34f44c5d6f642b142412ac9be23329cf">gf::Heightmap::clamp</a></div><div class="ttdeci">void clamp(double min=0.0, double max=1.0)</div><div class="ttdoc">Clamp the values of the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_ad4025649625bd737917459a9cef8437e"><div class="ttname"><a href="classgf_1_1_heightmap.html#ad4025649625bd737917459a9cef8437e">gf::Heightmap::getValue</a></div><div class="ttdeci">double getValue(Vector2i position) const</div><div class="ttdoc">Get the value at the specified position. </div><div class="ttdef"><b>Definition:</b> Heightmap.h:75</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a00bf3f3607071404dae70605fab93869"><div class="ttname"><a href="classgf_1_1_heightmap.html#a00bf3f3607071404dae70605fab93869">gf::Heightmap::getMinMax</a></div><div class="ttdeci">std::tuple< double, double > getMinMax() const</div><div class="ttdoc">Get the minimum and maximum of the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_acc9d34fd2541c3ad0438eea4a972d55e"><div class="ttname"><a href="classgf_1_1_heightmap.html#acc9d34fd2541c3ad0438eea4a972d55e">gf::Heightmap::normalize</a></div><div class="ttdeci">void normalize(double min=0.0, double max=1.0)</div><div class="ttdoc">Normalize the heightmap. </div></div>
<div class="ttc" id="_portability_8h_html_a0169111e0ff1d9fe0f23dee89e904d57"><div class="ttname"><a href="_portability_8h.html#a0169111e0ff1d9fe0f23dee89e904d57">GF_API</a></div><div class="ttdeci">#define GF_API</div><div class="ttdef"><b>Definition:</b> Portability.h:35</div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a7ca818c0848c0e79b9f78b59e71f6649"><div class="ttname"><a href="classgf_1_1_heightmap.html#a7ca818c0848c0e79b9f78b59e71f6649">gf::Heightmap::addValue</a></div><div class="ttdeci">void addValue(double value)</div><div class="ttdoc">Add a constant to the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a66e60f36f6c1aab6c0fa80d48b94191d"><div class="ttname"><a href="classgf_1_1_heightmap.html#a66e60f36f6c1aab6c0fa80d48b94191d">gf::Heightmap::copyToGrayscaleImage</a></div><div class="ttdeci">Image copyToGrayscaleImage() const</div><div class="ttdoc">Export to a grayscale image. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a7e75d60d09325cf6d8b5314a8b5e8494"><div class="ttname"><a href="classgf_1_1_heightmap.html#a7e75d60d09325cf6d8b5314a8b5e8494">gf::Heightmap::thermalErosion</a></div><div class="ttdeci">void thermalErosion(unsigned iterations, double talus, double fraction)</div><div class="ttdoc">Apply thermal erosion to the heightmap. </div></div>
<div class="ttc" id="classgf_1_1_heightmap_html_a7d1d6af9c7a00ceaf47391f607dd641c"><div class="ttname"><a href="classgf_1_1_heightmap.html#a7d1d6af9c7a00ceaf47391f607dd641c">gf::Heightmap::subMap</a></div><div class="ttdeci">Heightmap subMap(RectI area) const</div><div class="ttdoc">Get a sub-map of the heightmap. </div></div>
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