1 | %MESH3DSURFACE class definition
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2 | %
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3 | % Usage:
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4 | % mesh3dsurface=mesh3dsurface();
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5 |
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6 | classdef mesh3dsurface
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7 | properties (SetAccess=public)
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8 | x = NaN;
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9 | y = NaN;
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10 | z = NaN;
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11 | elements = NaN;
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12 | numberofelements = 0;
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13 | numberofvertices = 0;
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14 | numberofedges = 0;
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15 |
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16 | lat = NaN;
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17 | long = NaN;
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18 | r = NaN;
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19 |
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20 | vertexonboundary = NaN;
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21 | edges = NaN;
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22 | segments = NaN;
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23 | segmentmarkers = NaN;
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24 | vertexconnectivity = NaN;
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25 | elementconnectivity = NaN;
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26 | average_vertex_connectivity = 0;
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27 |
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28 | extractedvertices = NaN;
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29 | extractedelements = NaN;
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30 | end
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31 | methods (Static)
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32 | function self = loadobj(self) % {{{
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33 | % This function is directly called by matlab when a model selfect is
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34 | % loaded. Update old properties here
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35 |
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36 | %2014 Oct. 1st
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37 | if isstruct(self),
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38 | oldself=self;
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39 | %Assign property values from struct
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40 | self=structtoobj(mesh3dsurface(),oldself);
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41 | if isfield(oldself,'hemisphere'),
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42 | disp('md.mesh.hemisphere has been automatically converted to EPSG code');
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43 | if strcmpi(oldself.hemisphere,'n'),
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44 | self.epsg=3413;
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45 | else
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46 | self.epsg=3031;
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47 | end
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48 | end
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49 | end
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50 |
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51 | end% }}}
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52 | end
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53 | methods
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54 | function self = mesh3dsurface(varargin) % {{{
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55 | switch nargin
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56 | case 0
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57 | self=setdefaultparameters(self);
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58 | case 1
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59 | self=mesh3dsurface();
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60 | object=varargin{1};
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61 | fields=fieldnames(object);
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62 | for i=1:length(fields)
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63 | field=fields{i};
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64 | if ismember(field,properties('mesh3dsurface')),
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65 | self.(field)=object.(field);
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66 | end
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67 | end
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68 | otherwise
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69 | error('constructor not supported');
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70 | end
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71 | end % }}}
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72 | function obj = setdefaultparameters(obj) % {{{
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73 |
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74 | %the connectivity is the averaged number of nodes linked to a
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75 | %given node through an edge. This connectivity is used to initially
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76 | %allocate memory to the stiffness matrix. A value of 16 seems to
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77 | %give a good memory/time ration. This value can be checked in
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78 | %trunk/test/Miscellaneous/runme.m
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79 | obj.average_vertex_connectivity=25;
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80 | end % }}}
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81 | function md = checkconsistency(obj,md,solution,analyses) % {{{
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82 |
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83 | if strcmpi(solution,'LoveSolution'), return; end
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84 |
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85 | md = checkfield(md,'fieldname','mesh.x','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
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86 | md = checkfield(md,'fieldname','mesh.y','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
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87 | md = checkfield(md,'fieldname','mesh.z','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
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88 | md = checkfield(md,'fieldname','mesh.lat','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
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89 | md = checkfield(md,'fieldname','mesh.long','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
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90 | md = checkfield(md,'fieldname','mesh.r','NaN',1,'Inf',1,'size',[md.mesh.numberofvertices 1]);
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91 | md = checkfield(md,'fieldname','mesh.elements','NaN',1,'Inf',1,'>',0,'values',1:md.mesh.numberofvertices);
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92 | md = checkfield(md,'fieldname','mesh.elements','size',[md.mesh.numberofelements 3]);
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93 | if any(~ismember(1:md.mesh.numberofvertices,sort(unique(md.mesh.elements(:)))));
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94 | md = checkmessage(md,'orphan nodes have been found. Check the mesh outline');
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95 | end
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96 | md = checkfield(md,'fieldname','mesh.numberofelements','>',0);
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97 | md = checkfield(md,'fieldname','mesh.numberofvertices','>',0);
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98 | md = checkfield(md,'fieldname','mesh.average_vertex_connectivity','>=',9,'message','''mesh.average_vertex_connectivity'' should be at least 9 in 2d');
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99 |
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100 | if strcmp(solution,'ThermalSolution')
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101 | md = checkmessage(md,'thermal not supported for 2d mesh');
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102 | end
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103 | end % }}}
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104 | function disp(obj) % {{{
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105 | disp(sprintf(' 2D tria Mesh (horizontal):'));
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106 |
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107 | disp(sprintf('\n Elements and vertices:'));
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108 | fielddisplay(obj,'numberofelements','number of elements');
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109 | fielddisplay(obj,'numberofvertices','number of vertices');
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110 | fielddisplay(obj,'elements','vertex indices of the mesh elements');
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111 | fielddisplay(obj,'x','vertices x coordinate [m]');
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112 | fielddisplay(obj,'y','vertices y coordinate [m]');
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113 | fielddisplay(obj,'z','vertices z coordinate [m]');
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114 | fielddisplay(obj,'lat','vertices latitude [degrees]');
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115 | fielddisplay(obj,'long','vertices longitude [degrees]');
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116 | fielddisplay(obj,'r','vertices radius [m]');
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117 |
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118 | fielddisplay(obj,'edges','edges of the 2d mesh (vertex1 vertex2 element1 element2)');
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119 | fielddisplay(obj,'numberofedges','number of edges of the 2d mesh');
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120 |
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121 | disp(sprintf('\n Properties:'));
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122 | fielddisplay(obj,'vertexonboundary','vertices on the boundary of the domain flag list');
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123 | fielddisplay(obj,'segments','edges on domain boundary (vertex1 vertex2 element)');
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124 | fielddisplay(obj,'segmentmarkers','number associated to each segment');
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125 | fielddisplay(obj,'vertexconnectivity','list of vertices connected to vertex_i');
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126 | fielddisplay(obj,'elementconnectivity','list of vertices connected to element_i');
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127 | fielddisplay(obj,'average_vertex_connectivity','average number of vertices connected to one vertex');
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128 |
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129 | disp(sprintf('\n Extracted model:'));
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130 | fielddisplay(obj,'extractedvertices','vertices extracted from the model');
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131 | fielddisplay(obj,'extractedelements','elements extracted from the model');
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132 | end % }}}
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133 | function marshall(obj,prefix,md,fid) % {{{
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134 | WriteData(fid,prefix,'name','md.mesh.domain_type','data',['Domain' domaintype(obj)],'format','String');
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135 | WriteData(fid,prefix,'name','md.mesh.domain_dimension','data',dimension(obj),'format','Integer');
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136 | WriteData(fid,prefix,'name','md.mesh.elementtype','data',elementtype(obj),'format','String');
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137 | WriteData(fid,prefix,'object',obj,'fieldname','x','format','DoubleMat','mattype',1);
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138 | WriteData(fid,prefix,'object',obj,'fieldname','y','format','DoubleMat','mattype',1);
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139 | WriteData(fid,prefix,'object',obj,'fieldname','z','format','DoubleMat','mattype',1);
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140 | WriteData(fid,prefix,'object',obj,'fieldname','lat','data',obj.lat,'format','DoubleMat','mattype',1);
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141 | WriteData(fid,prefix,'object',obj,'fieldname','long','data',obj.long,'format','DoubleMat','mattype',1);
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142 | WriteData(fid,prefix,'object',obj,'fieldname','r','format','DoubleMat','mattype',1);
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143 | WriteData(fid,prefix,'name','md.mesh.z','data',zeros(obj.numberofvertices,1),'format','DoubleMat','mattype',1);
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144 | WriteData(fid,prefix,'object',obj,'fieldname','elements','format','DoubleMat','mattype',2);
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145 | WriteData(fid,prefix,'object',obj,'fieldname','numberofelements','format','Integer');
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146 | WriteData(fid,prefix,'object',obj,'fieldname','numberofvertices','format','Integer');
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147 | WriteData(fid,prefix,'object',obj,'fieldname','average_vertex_connectivity','format','Integer');
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148 | WriteData(fid,prefix,'object',obj,'fieldname','vertexonboundary','format','DoubleMat','mattype',1);
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149 | end % }}}
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150 | function t = domaintype(obj) % {{{
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151 | t = '3Dsurface';
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152 | end % }}}
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153 | function d = dimension(obj) % {{{
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154 | d = 2;
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155 | end % }}}
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156 | function s = elementtype(obj) % {{{
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157 | s = 'Tria';
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158 | end % }}}
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159 | function [x y z elements is2d isplanet] = processmesh(self,options) % {{{
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160 |
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161 | isplanet = 1;
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162 | is2d = 0;
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163 |
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164 | elements = self.elements;
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165 | x = self.x;
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166 | y = self.y;
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167 | z = self.z;
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168 | end % }}}
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169 | function savemodeljs(self,fid,modelname) % {{{
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170 |
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171 | fprintf(fid,'%s.mesh=new mesh3dsurface();\n',modelname);
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172 | writejs1Darray(fid,[modelname '.mesh.x'],self.x);
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173 | writejs1Darray(fid,[modelname '.mesh.y'],self.y);
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174 | writejs1Darray(fid,[modelname '.mesh.z'],self.z);
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175 | writejs2Darray(fid,[modelname '.mesh.elements'],self.elements);
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176 | writejsdouble(fid,[modelname '.mesh.numberofelements'],self.numberofelements);
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177 | writejsdouble(fid,[modelname '.mesh.numberofvertices'],self.numberofvertices);
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178 | writejsdouble(fid,[modelname '.mesh.numberofedges'],self.numberofedges);
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179 | writejs1Darray(fid,[modelname '.mesh.lat'],self.lat);
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180 | writejs1Darray(fid,[modelname '.mesh.long'],self.long);
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181 | writejs1Darray(fid,[modelname '.mesh.r'],self.r);
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182 | writejs1Darray(fid,[modelname '.mesh.vertexonboundary'],self.vertexonboundary);
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183 | writejs2Darray(fid,[modelname '.mesh.edges'],self.edges);
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184 | writejs2Darray(fid,[modelname '.mesh.segments'],self.segments);
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185 | writejs2Darray(fid,[modelname '.mesh.segmentmarkers'],self.segmentmarkers);
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186 | writejs2Darray(fid,[modelname '.mesh.vertexconnectivity'],self.vertexconnectivity);
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187 | writejs2Darray(fid,[modelname '.mesh.elementconnectivity'],self.elementconnectivity);
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188 | writejsdouble(fid,[modelname '.mesh.average_vertex_connectivity'],self.average_vertex_connectivity);
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189 | writejs1Darray(fid,[modelname '.mesh.extractedvertices'],self.extractedvertices);
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190 | writejs1Darray(fid,[modelname '.mesh.extractedelements'],self.extractedelements);
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191 |
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192 | end % }}}
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193 | end
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194 | end
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