1 | function [data datatype]=processdata(md,data,options);
|
---|
2 | %PROCESSDATA - process data to be plotted
|
---|
3 | %
|
---|
4 | % datatype = 1 -> elements
|
---|
5 | % datatype = 2 -> nodes
|
---|
6 | % datatype = 3 -> node quivers
|
---|
7 | % datatype = 4 -> patch
|
---|
8 | %
|
---|
9 | % Usage:
|
---|
10 | % [data datatype]=processdata(md,data,options);
|
---|
11 | %
|
---|
12 | % See also: PLOTMODEL, PROCESSMESH
|
---|
13 |
|
---|
14 | %check format
|
---|
15 | if (iscell(data) | isempty(data) | length(data)==0 | (length(data)==1 & ~isstruct(data) & isnan(data))),
|
---|
16 | error('plotmodel error message: data provided is empty');
|
---|
17 | end
|
---|
18 |
|
---|
19 | %Process Patch
|
---|
20 | if isstruct(data)
|
---|
21 | if (isfield(data,'index') & isfield(data,'value')),
|
---|
22 | data=data.value;
|
---|
23 | if size(data,2)==1,
|
---|
24 | data=repmat(data,1,3);
|
---|
25 | end
|
---|
26 | data=data';
|
---|
27 | data=data(:);
|
---|
28 | datatype=4;
|
---|
29 | else
|
---|
30 | error('structure other than Patch not supported yet');
|
---|
31 | end
|
---|
32 | else
|
---|
33 | %initialize datatype
|
---|
34 | datatype=0;
|
---|
35 | end
|
---|
36 |
|
---|
37 | %get datatype
|
---|
38 | datasize=size(data);
|
---|
39 |
|
---|
40 | %non patch processing
|
---|
41 | if datatype~=4,
|
---|
42 |
|
---|
43 | %transpose data if necessary
|
---|
44 | if (size(data,2) > size(data,1)),
|
---|
45 | data=data';
|
---|
46 | end
|
---|
47 | datasize=size(data);
|
---|
48 |
|
---|
49 | %convert to double if necessary
|
---|
50 | if ~isnumeric(data);
|
---|
51 | disp('processdata info message: data is not numeric (logical?). Converted to double');
|
---|
52 | data=double(data);
|
---|
53 | end
|
---|
54 |
|
---|
55 | %check length
|
---|
56 | if datasize(1)~=md.numberofgrids & datasize(1)~=md.numberofelements & datasize(1)~=md.numberofgrids*6 & (md.dim==3 & ~(datasize(1)==md.numberofelements2d | datasize(1)==md.numberofgrids2d))
|
---|
57 | error('plotmodel error message: data not supported yet');
|
---|
58 | end
|
---|
59 |
|
---|
60 | %quiver?
|
---|
61 | if datasize(2)>1,
|
---|
62 | datatype=3;
|
---|
63 |
|
---|
64 | %check number of columns, add zeros if necessary,
|
---|
65 | if (md.dim==3)
|
---|
66 | if datasize(2)==2,
|
---|
67 | data=[data, zeros(datasize(1),1)];
|
---|
68 | elseif datasize(2)~=3,
|
---|
69 | error('plotmodel error message: data provided should have 2 or 3 columns for quiver plot, and 1 for regular plot');
|
---|
70 | end
|
---|
71 | %elseif ((md.dim==2) & datasize(2)~=2),
|
---|
72 | % error('plotmodel error message: data provided should have 2 columns for quiver plot, and 1 for regular plot');
|
---|
73 | end
|
---|
74 | end
|
---|
75 |
|
---|
76 | %treat the case datasize(1)=6*grids
|
---|
77 | if datasize(1)==6*md.numberofgrids
|
---|
78 | %keep the only norm of data
|
---|
79 | data1=data(1:6:md.numberofgrids*6,:);
|
---|
80 | data2=data(2:6:md.numberofgrids*6,:);
|
---|
81 | data=sqrt(data1.^2+data2.^2);
|
---|
82 | datasize(1)=md.numberofgrids;
|
---|
83 | %---> go to grid data
|
---|
84 | end
|
---|
85 |
|
---|
86 | %treat the case datasize(1)=grids2d
|
---|
87 | if (md.dim==3 & datasize(1)==md.numberofgrids2d),
|
---|
88 | data=project3d(md,data,'node');
|
---|
89 | datasize(1)=md.numberofgrids;
|
---|
90 | %---> go to grid data
|
---|
91 | end
|
---|
92 |
|
---|
93 | %treat the case datasize(1)=grids2d
|
---|
94 | if (md.dim==3 & datasize(1)==md.numberofelements2d),
|
---|
95 | data=project3d(md,data,'element');
|
---|
96 | datasize(1)=md.numberofelements;
|
---|
97 | %---> go to grid data
|
---|
98 | end
|
---|
99 |
|
---|
100 | %smoothing?
|
---|
101 | if exist(options,'smooth')
|
---|
102 | data=averaging(md,data,getfieldvalue(options,'smooth'));
|
---|
103 | datasize(1)=md.numberofgrids;
|
---|
104 | %---> go to grid data
|
---|
105 | end
|
---|
106 | end
|
---|
107 |
|
---|
108 | %element data
|
---|
109 | if (datasize(1)==md.numberofelements & datasize(2)==1),
|
---|
110 |
|
---|
111 | %Initialize datatype if non patch
|
---|
112 | if datatype~=4,
|
---|
113 | datatype=1;
|
---|
114 | end
|
---|
115 |
|
---|
116 | %ice sheet only?
|
---|
117 | if getfieldvalue(options,'iceshelf',1)==0,
|
---|
118 | data(find(md.elementoniceshelf),:)=NaN;
|
---|
119 | end
|
---|
120 | %ice shelf only?
|
---|
121 | if getfieldvalue(options,'icesheet',1)==0,
|
---|
122 | data(find(~md.elementoniceshelf),:)=NaN;
|
---|
123 | end
|
---|
124 | %no water?
|
---|
125 | if getfieldvalue(options,'water',1)==0,
|
---|
126 | data(find(md.elementonwater),:)=NaN;
|
---|
127 | end
|
---|
128 | %log?
|
---|
129 | if exist(options,'log'),
|
---|
130 | bounds=getfieldvalue(options,'caxis',[min(data(:)) max(data(:))]);
|
---|
131 | data(find(data<bounds(1)))=bounds(1);
|
---|
132 | if any(data<=0),
|
---|
133 | error('Log option cannot be applied on negative values. Use caxis option (Rignot''s settings: [1.5 max(data)])');
|
---|
134 | end
|
---|
135 | pos=find(~isnan(data));
|
---|
136 | data(pos)=log(data(pos))/log(getfieldvalue(options,'log'));
|
---|
137 | end
|
---|
138 | end
|
---|
139 |
|
---|
140 | %grid data
|
---|
141 | if (datasize(1)==md.numberofgrids & datasize(2)==1),
|
---|
142 | datatype=2;
|
---|
143 | %ice sheet only?
|
---|
144 | if getfieldvalue(options,'iceshelf',1)==0,
|
---|
145 | pos=find(md.gridoniceshelf);
|
---|
146 | data(pos,:)=NaN;
|
---|
147 | end
|
---|
148 | %ice shelf only?
|
---|
149 | if getfieldvalue(options,'icesheet',1)==0,
|
---|
150 | pos=find(md.gridonicesheet);
|
---|
151 | data(pos,:)=NaN;
|
---|
152 | end
|
---|
153 | %no water?
|
---|
154 | if getfieldvalue(options,'water',1)==0,
|
---|
155 | pos=find(md.gridonwater);
|
---|
156 | data(pos,:)=NaN;
|
---|
157 | end
|
---|
158 | %log?
|
---|
159 | if exist(options,'log'),
|
---|
160 | %if any(data<=0),
|
---|
161 | % error('Log option cannot be applied on negative values. Use caxis option (Rignot''s settings: [1.5 max(data)])');
|
---|
162 | %end
|
---|
163 | data=log(data)/log(getfieldvalue(options,'log'));
|
---|
164 | end
|
---|
165 |
|
---|
166 | end
|
---|
167 |
|
---|
168 | %layer projection?
|
---|
169 | if getfieldvalue(options,'layer',0)>=1,
|
---|
170 | data=project2d(md,data,getfieldvalue(options,'layer')); %project onto 2d mesh
|
---|
171 | end
|
---|
172 |
|
---|
173 | %control arrow density if quiverplot
|
---|
174 | if datatype==3 & exist(options,'density')
|
---|
175 | databak=data;
|
---|
176 | data=NaN*ones(datasize);
|
---|
177 | density=getfieldvalue(options,'density');
|
---|
178 | data(1:density:end,:)=databak(1:density:end,:);
|
---|
179 | clear databak
|
---|
180 | end
|
---|