source: issm/trunk-jpl/src/m/exp/manipulation/cutarea.m@ 13730

Last change on this file since 13730 was 13730, checked in by Mathieu Morlighem, 12 years ago

CHG: per matlab's request, removed all unnecessary semicolon
File size: 5.2 KB
Line 
1function [A,numprofiles,numpoints,closed]=cutarea(A,numprofiles,numpoints,closed,prevplot,root,options)
2%CUTAREA - cut several point of a profile
3%
4%
5% this script is used by exptool as an elementary operation
6% on an ARGUS profile. The user must click 3 times to select the
7% area to be removed. Twice to select the tips and one to select
8% the part of the profile to be removed
9%
10% Usage:
11% [A,numprofiles,numpoints,closed]=cutarea(A,numprofiles,numpoints,closed,prevplot,root,options)
12
13 hold on
14 loop=1;
15
16 %plot squares
17 for i=1:numprofiles
18 plot(A(i).x,A(i).y,'color',getfieldvalue(options,'color'),'LineStyle',getfieldvalue(options,'LineStyle'),'LineWidth',getfieldvalue(options,'LineWidth'),...
19 'MarkerEdgeColor',getfieldvalue(options,'MarkerEdgeColor'),'MarkerSize',getfieldvalue(options,'MarkerSize'),'Marker',getfieldvalue(options,'Marker'));
20 end
21
22 points=[];
23
24 %loop (at least 3 clicks needed)
25 while loop
26
27 %some checks
28 if numprofiles==0
29 disp('no profile present, exiting...')
30 return
31 end
32 if numpoints<3
33 disp('at least two points are needed, exiting...')
34 return
35 end
36
37 %select a point
38 if isempty(points)
39 title('click on the first tip, RETURN to exit','FontSize',14)
40 elseif length(points)==1
41 title('click on the second tip, RETURN to exit','FontSize',14)
42 else
43 title('click in the middle of the area to be cut, RETURN to exit','FontSize',14)
44 end
45
46 [xi,yi] = ginput(1);
47
48 if ~isempty(xi)
49 %get the closest point
50 %first time, look at all profiles
51 if isempty(points)
52 [profsel indsel]=closestpoint(A,numprofiles,xi,yi);
53 if ((closed(profsel) & length(A(profsel).x)<4) | (~closed(profsel) & length(A(profsel).x)<3)),
54 disp('the selected profile has less than 3 points, make another selection');
55 else
56 selection=profsel;
57 points(end+1)=indsel;
58 plot(A(profsel).x,A(profsel).y,...
59 'color',getfieldvalue(options,'selectioncolor'),'LineStyle',getfieldvalue(options,'LineStyle'),'LineWidth',getfieldvalue(options,'LineWidth'));
60 text(A(selection).x(indsel),A(selection).y(indsel),num2str(1),'FontSize',14,'background',[0.7 0.7 0.9]);
61 end
62 else
63 %get the 2d or 3d point for the given contou
64 [profsel indsel]=closestpoint(A(selection),1,xi,yi);
65 if ismember(indsel,points)
66 disp('the selected points must be distinct')
67 else
68 %second click?
69 if length(points)==1,
70 points(end+1)=indsel;
71 text(A(selection).x(indsel),A(selection).y(indsel),num2str(2),'FontSize',14,'background',[0.7 0.7 0.9]);
72 %third click?
73 else
74 p1=points(1); p2=points(2); p3=indsel;
75 x=A(selection).x; y=A(selection).y;
76 if p1<p2
77 if p3>p1 & p3<p2
78 if closed(selection)
79 %open the profile
80 n=length(A(selection).x);
81 A(selection).x=[A(selection).x(p2:end-1,1);A(selection).x(1:p1,1)];
82 A(selection).y=[A(selection).y(p2:end-1,1);A(selection).y(1:p1,1)];
83 numpoints=numpoints-(n-length(A(selection).x));
84 closed(selection)=0;
85 else
86 %cut in 2 profiles
87 A(selection).x=x(1:p1);
88 A(selection).y=y(1:p1);
89 closed(selection)=0;
90 A(end+1).x=x(p2:end);
91 A(end).y=y(p2:end);
92 A(end).density=A(selection).density;
93 A(end).name=A(selection).name;
94 closed(end+1)=0;
95 numprofiles=numprofiles+1;
96 numpoints=numpoints-(p2-p1-1);
97 end
98 else
99 %only point removal
100 n=length(A(selection).x);
101 A(selection).x=x(p1:p2);
102 A(selection).y=y(p1:p2);
103 numpoints=numpoints-(n-length(A(selection).x));
104 closed(selection)=0;
105 end
106 else
107 if p3>p2 & p3<p1
108 if closed(selection)
109 %open the profile
110 n=length(A(selection).x);
111 A(selection).x=[A(selection).x(p1:end-1,1);A(selection).x(1:p2,1)];
112 A(selection).y=[A(selection).y(p1:end-1,1);A(selection).y(1:p2,1)];
113 numpoints=numpoints-(n-length(A(selection).x));
114 closed(selection)=0;
115 else
116 %cut in 2 profiles
117 closed(selection)=0;
118 A(selection).x=x(1:p2);
119 A(selection).y=y(1:p2);
120 A(end+1).x=x(p1:end);
121 A(end).y=y(p1:end);
122 A(end).density=A(selection).density;
123 A(end).name=A(selection).name;
124 closed(end+1)=0;
125 numprofiles=numprofiles+1;
126 numpoints=numpoints-(p1-p2-1);
127 end
128 else
129 %only point removal
130 n=length(A(selection).x);
131 x(1:p2-1)=[];x(p1-p2+2:end)=[];%it should have been x(p2+1:end)
132 y(1:p2-1)=[];y(p1-p2+2:end)=[];
133 A(selection).x=x;
134 A(selection).y=y;
135 numpoints=numpoints-(n-length(A(selection).x));
136 closed(selection)=0;
137 end
138 end
139
140 %plot new profile
141 undoplots(prevplot);
142 for i=1:numprofiles
143 plot(A(i).x,A(i).y,'color',getfieldvalue(options,'color'),'LineStyle',getfieldvalue(options,'LineStyle'),'LineWidth',getfieldvalue(options,'LineWidth'),...
144 'MarkerEdgeColor',getfieldvalue(options,'MarkerEdgeColor'),'MarkerSize',getfieldvalue(options,'MarkerSize'),'Marker',getfieldvalue(options,'Marker'));
145 end
146 points=[];
147
148 end
149 end
150 end
151 else
152 %RETRUN-> quit
153 loop=0;
154 end
155 end
156end
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