gusucode.com > DSISoft是由加拿大地质调查局发布的用于垂直地震剖面(VSP)数据处理的免费软件包 > dsisoftv3/dsisoftv3/dsisoftv3/picker/greenpeaks.m
function greenpeaks(pt,n) %function greenpeaks(pt,n) % %pt is vector of trace/picktime/index of picktime %n is row in 'ptimes' in which to store patch handle (default is 2) %sets global ptimes to proper values %shades a picked peak or trough of a seismic trace %called by 'picktimes2' and 'tune' % %written by K.S. Beaty February, 1998 %$Id: greenpeaks.m,v 3.0 2000/06/13 19:22:44 gilles Exp $ %$Log: greenpeaks.m,v $ %Revision 3.0 2000/06/13 19:22:44 gilles %Release 3 % %Revision 2.0 1999/05/21 18:47:08 mah %Release 2 % %Revision 1.1 1999/01/06 19:09:24 kay %Initial revision % % %Copyright (C) 1998 Seismology and Electromagnetic Section/ %Continental Geosciences Division/Geological Survey of Canada % %This library is free software; you can redistribute it and/or %modify it under the terms of the GNU Library General Public %License as published by the Free Software Foundation; either %version 2 of the License, or (at your option) any later version. % %This library is distributed in the hope that it will be useful, %but WITHOUT ANY WARRANTY; without even the implied warranty of %MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU %Library General Public License for more details. % %You should have received a copy of the GNU Library General Public %License along with this library; if not, write to the %Free Software Foundation, Inc., 59 Temple Place - Suite 330, %Boston, MA 02111-1307, USA. % %DSI Consortium %Continental Geosciences Division %Geological Survey of Canada %615 Booth St. %Ottawa, Ontario %K1A 0E9 % %email: dsi@cg.nrcan.gc.ca global ptimes if nargin==1 n=2; end %if tr1=get(findobj(findobj('Name','Picker Menu'),'tag','EditTr1'),'string'); tr1=str2num(tr1); child=get(gca,'children'); L=flipud(findobj(child,'type','line')); xd=get(L(pt(1,1)-tr1+1),'xdata'); yd=get(L(pt(1,1)-tr1+1),'ydata'); npts=length(xd); k=pt(1,3); %index if xd(k)<pt(1,1) pxd=2.*pt(1,1)-xd; else pxd=xd; end %if low=k; high=k; while pxd(low)>pt(1,1) low=low-1; if low==1 break; end %if end %while while pxd(high)>pt(1,1) high=high+1; if high==npts break; end %if end %while low=low+1; high=high-1; peakx=[pt(1,1) xd(low:high) pt(1,1)]; peaky=[yd(low) yd(low:high) yd(high)]; ptimes(n,pt(1,1)-tr1+1)=patch(peakx,peaky,'g', 'EraseMode', 'xor'); ptimes(1,pt(1,1)-tr1+1)=pt(1,3);