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source: trunk/src/mouse_motion.m @ 230

Last change on this file since 230 was 225, checked in by sommeria, 14 years ago
civ : bug in binary check repaired. Introduction of the option PIVlab for PIV (still under test)
File size: 23.2 KB

Rev	Line
[11]	1	%'mouse_motion': permanently called by mouse motion over a figure (Callback for 'WindowButtonMotionFcn' of the figure)
	2	%-----------------------------------------------------------------------
	3	%
	4	% function mouse_motion(hObject,eventdata,handles)
	5	% activated by the command:
	6	% set(hObject,'WindowButtonMotionFcn',{'mouse_motion',handles})
	7	% where hObject is the handle of the figure
	8	%
	9	%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
	10	% Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org.
	11	%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
	12	% This file is part of the toolbox UVMAT.
	13	%
	14	% UVMAT is free software; you can redistribute it and/or modify
	15	% it under the terms of the GNU General Public License as published by
	16	% the Free Software Foundation; either version 2 of the License, or
	17	% (at your option) any later version.
	18	%
	19	% UVMAT is distributed in the hope that it will be useful,
	20	% but WITHOUT ANY WARRANTY; without even the implied warranty of
	21	% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	22	% GNU General Public License (file UVMAT/COPYING.txt) for more details.
	23	%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
	24
	25	function mouse_motion(hObject,eventdata,handles)
[78]	26
[11]	27	if ~exist('handles','var')
	28	return
	29	end
[187]	30	FigData=get(hObject,'UserData');
	31	if ishandle(FigData)% case of a zoom plot, the handle of the parent rectangle is stored in UserData, its parent is the plotting axes of the rectangle
	32	currentfig=get(get(FigData,'parent'),'parent');
	33	else
	34	currentfig=hObject;%usual plot
	35	end
[150]	36	hhcurrentfig=guidata(currentfig);
	37	test_zoom=get(hhcurrentfig.zoom,'Value');%test for zoom activated on the current figure
	38	test_draw=0;%test for mouse drawing of object, =0 by default
	39	test_object=0; %test for object editing or creation
[156]	40	test_edit_object=0;% edit test for mouse shap: an arrow
[150]	41	test_zoom_draw=0; % test for zoom drawing
	42	test_ruler=0;%test for active ruler
	43	test_piv=0;% test for PIV correlation display
	44	huvmat=findobj(allchild(0),'tag','uvmat');%find the uvmat interface handle
[71]	45	if ~isempty(huvmat)
[150]	46	hhuvmat=guidata(huvmat);
[156]	47	test_edit_object=get(hhuvmat.edit_object,'Value');
	48	test_ruler=isequal(get(hhuvmat.MenuRuler,'checked'),'on');
[150]	49	end
[156]	50	hciv=findobj(allchild(0),'tag','civ');%find the civ interface handle
[150]	51	if ~isempty(hciv) && strcmp(get(currentfig,'tag'),'view_field')
	52	hhciv=guidata(hciv);
	53	test_piv =get(hhciv.TestCiv1,'Value');
	54	end
[11]	55
	56	%find the current axe 'haxes' and display the current mouse position or uicontrol tag
	57	text_displ_1='';
	58	text_displ_2='';
	59	text_displ_3='';
	60	text_displ_4='';
	61
	62	AxeData=[];%default
	63	mouse=[];
[67]	64	xy=[];%default
[11]	65
	66	pointershape='arrow';% default pointer is an arrow
[150]	67
[187]	68	xy_fig=get(hObject,'CurrentPoint');% current point of the current figure (gcbo)
	69	hchild=get(hObject,'Children');%handles of all objects in the current figure
[11]	70
[150]	71	%% loop on all the objects in the current figure and detect whether the mouse is over a plot axes
[71]	72	haxes=[];
[11]	73	for ichild=1:length(hchild)
[103]	74	obj_pos=get(hchild(ichild),'Position');
[104]	75	if numel(obj_pos)~=4% for some versions of matlab a uicontextmenu appears
	76	continue
[103]	77	end%position of the object
[150]	78	if xy_fig(1) >=obj_pos(1) && xy_fig(2) >= obj_pos(2)&& xy_fig(1) <=obj_pos(1)+obj_pos(3) && xy_fig(2) <= obj_pos(2)+obj_pos(4);
[11]	79	htype=get(hchild(ichild),'Type');%type of the crrent child
	80	%if the mouse is over an axis, look at the data
[187]	81	if strcmp(htype,'axes')
[11]	82	haxes=hchild(ichild);
	83	xy=get(haxes,'CurrentPoint');%xy(1,1),xy(1,2): current x,y positions in axes coordinates
	84	AxeData=get(haxes,'UserData');% data attached to the axis
[105]	85	if isfield(AxeData,'Drawing')&& ~isempty(AxeData.Drawing)
[150]	86	test_draw=~isequal(AxeData.Drawing,'off');%=1 if mouse drawing of object is active
[71]	87	end
	88	test_zoom_draw=test_draw && isequal(AxeData.Drawing,'zoom')&& isfield(AxeData,'CurrentOrigin') && isequal(get(gcf,'SelectionType'),'normal');
[105]	89	test_object=test_draw && isfield(AxeData,'CurrentObject') && ~isempty(AxeData.CurrentObject) && ishandle(AxeData.CurrentObject);
[156]	90	if ~test_edit_object && ~test_zoom_draw && ~test_ruler
[105]	91	pointershape='crosshair';%set pointer with cross shape (default when mouse is over an axis)
	92	end
[150]	93	FigData=get(currentfig,'UserData');
	94	tagaxes=get(haxes,'tag');
	95	if isfield(FigData,tagaxes)
	96	eval(['Field=FigData.' tagaxes ';'])
	97	if isfield(Field,'ListVarName')
	98	[CellVarIndex,NbDim,VarType]=find_field_indices(Field);%analyse the physical fields contained in Field
	99	% if isfield(Field,'Mesh') && ~isempty(Field.Mesh)
	100	text_displ_1='';
	101	text_displ_2='';
	102	text_displ_3='';
	103	text_displ_4='';
	104	for icell=1:numel(CellVarIndex)%look for all physical fields
[207]	105	if NbDim(icell)>=2 % select 2D field
[150]	106	if isfield(Field,'Mesh') && ~isempty(Field.Mesh)&& ~isempty(VarType{icell}.coord_x) && ~isempty(VarType{icell}.coord_y)%case of unstructured data
	107	eval(['X=Field.' Field.ListVarName{VarType{icell}.coord_x} ';'])
	108	eval(['Y=Field.' Field.ListVarName{VarType{icell}.coord_y} ';'])
	109	flag_vec=(X<(xy(1,1)+Field.Mesh/3) & X>(xy(1,1)-Field.Mesh/3)) & ...%flagx=1 for the vectors with x position selected by the mouse
	110	(Y<(xy(1,2)+Field.Mesh/3) & Y>(xy(1,2)-Field.Mesh/3));%f
	111	ivec=find(flag_vec,1);% search the (first) selected vector index ivec
	112	hhh=findobj(haxes,'Tag','vector_marker');
	113	if ~isempty(ivec)
	114	% mark the vectors with a circle in the absence of other operations
[156]	115	if ~test_object && ~test_edit_object && ~test_ruler
[150]	116	pointershape='arrow'; %mouse indicates the detection of a vector
	117	if isempty(hhh)
	118	set(0,'CurrentFigure',currentfig)
	119	set(currentfig,'CurrentAxes',haxes)
	120	rectangle('Curvature',[1 1],...
	121	'Position',[X(ivec)-Field.Mesh/2 Y(ivec)-Field.Mesh/2 Field.Mesh Field.Mesh],'EdgeColor','m',...
	122	'LineStyle','-','Tag','vector_marker');
	123	else
	124	set(hhh,'Visible','on')
	125	set(hhh,'Position',[X(ivec)-Field.Mesh/2 Y(ivec)-Field.Mesh/2 Field.Mesh Field.Mesh])
	126	end
[105]	127	end
[150]	128	%display the field values
[105]	129	for ivar=1:numel(CellVarIndex{icell})
[150]	130	VarName=Field.ListVarName{CellVarIndex{icell}(ivar)};
	131	eval(['VarVal=Field.' VarName '(ivec);'])
[105]	132	var_text=[VarName '=' num2str(VarVal,3) ','];
[150]	133	if isequal(ivar,VarType{icell}.coord_x)\|\|isequal(ivar,VarType{icell}.coord_y)\|\|isequal(ivar,VarType{icell}.coord_z)
	134	text_displ_1=[text_displ_1 var_text];
	135	elseif isequal(ivar,VarType{icell}.vector_x)\|\|isequal(ivar,VarType{icell}.vector_y)\|\|isequal(ivar,VarType{icell}.vector_z)
	136	text_displ_3=[text_displ_3 var_text];
	137	else
	138	text_displ_4=[text_displ_4 var_text];
	139	end
[105]	140	end
[150]	141	else
	142	if ~isempty(hhh)
	143	set(hhh,'Visible','off')
	144	end
[105]	145	end
[150]	146	elseif numel(VarType{icell}.coord) >=2 %structured coordinates
	147	eval(['y=Field.' Field.ListVarName{VarType{icell}.coord(1)} ';'])
	148	eval(['x=Field.' Field.ListVarName{VarType{icell}.coord(2)} ';'])
	149	VarName=Field.ListVarName{CellVarIndex{icell}(1)};
	150	eval(['nxy=size(Field.' VarName ');']);
[153]	151	MaxAY=max(y(1),y(end)); %#ok<COLND>
	152	MinAY=min(y(1),y(end)); %#ok<COLND>
	153	if (xy(1,1)>x(1))&(xy(1,1)<x(end))&(xy(1,2)<MaxAY)&(xy(1,2)>MinAY) %#ok<COLND>
	154	indx0=1+round((nxy(2)-1)*(xy(1,1)-x(1))/(x(end)-x(1)));%#ok<COLND> % index x of pixel
	155	indy0=1+round((nxy(1)-1)*(xy(1,2)-y(1))/(y(end)-y(1)));%#ok<COLND> % index y of pixel
[150]	156	if indx0>=1 & indx0<=nxy(2) & indy0>=1 & indy0<=nxy(1)
	157	text_displ_2=['i=' num2str(indx0) ',j=' num2str(indy0) ','];
	158	for ivar=1:numel(CellVarIndex{icell})
	159	VarName=Field.ListVarName{CellVarIndex{icell}(ivar)};
	160	eval(['VarVal=Field.' VarName '(indy0,indx0,:);'])
	161	var_text=[VarName '=' num2str(VarVal) ','];
	162	text_displ_2=[text_displ_2 var_text];
	163	end
	164	end
	165	end
[105]	166	end
[61]	167	end
[71]	168	end
[150]	169	% end
	170	if strcmp(text_displ_1,'')
[207]	171	text_displ_1=['x=' num2str(xy(1,1),3) ',y=' num2str(xy(1,2),3) ','];
	172	z=[];
	173	if isfield(Field,'PlaneCoord') && isfield(Field,'ZIndex')
	174	ZIndex=Field.ZIndex;
	175	if size(Field.PlaneCoord)>=[ZIndex 3]
	176	z=Field.PlaneCoord(ZIndex,3);
[213]	177	if isfield(Field,'PlaneAngle')&&~isequal(Field.PlaneAngle,[0 0 0])
[207]	178	om=norm(Field.PlaneAngle(ZIndex,:));%norm of rotation angle in radians
	179	OmAxis=Field.PlaneAngle(ZIndex,:)/om; %unit vector marking the rotation axis
	180	cos_om=cos(pi*om/180);
	181	sin_om=sin(pi*om/180);
	182	coeff=OmAxis(3)*(1-cos_om);
	183	norm_plane(1)=OmAxis(1)coeff+OmAxis(2)sin_om;
	184	norm_plane(2)=OmAxis(2)coeff-OmAxis(1)sin_om;
	185	norm_plane(3)=OmAxis(3)*coeff+cos_om;
	186	Z0=norm_plane*Field.PlaneCoord(ZIndex,:)'/norm_plane(3);
	187	z=Z0-norm_plane(1)xy(1,1)/norm_plane(3)-norm_plane(2)xy(1,2)/norm_plane(3);
	188	end
	189	end
	190	end
	191	if ~isempty(z)
	192	text_displ_1=[text_displ_1 ' z=' num2str(z,3)]; %TODO: generaliser au cas avec angle
	193	end
[11]	194	end
[150]	195	%coordinate transform if proj_coord differs from menu_coord A REVOIR
	196	if isfield(Field,'CoordUnit')
	197	mouse.CoordUnit=Field.CoordUnit;
	198	end
[158]	199	% if isfield(Field,'CoordUnit')
	200	% mouse.CoordUnit=Field.CoordUnit;
	201	% end
	202	% if isfield(mouse,'CoordType')
	203	% if isequal(mouse.CoordType,'px')
	204	% mouse.CoordUnit='px';
	205	% end
	206	% else
	207	% mouse.CoordUnit='';%default
	208	% end
[150]	209	if test_piv
	210	par=civ('read_param_civ1',hhciv);
	211	if isfield(Field,'A')
	212	dx=str2double(par.dx);
	213	dy=str2double(par.dy);
	214	xround=x(1)+dx*round((xy(1,1)-x(1))/dx);% index x of pixel
	215	yround=y(1)+dy*round((xy(1,2)-y(1))/dy);% index y of pixel
	216	end
	217	% mark the correlation box with a rectangle
	218	ibx2=floor((str2double(par.ibx)-1)/2);
	219	iby2=floor((str2double(par.iby)-1)/2);
	220	isx2=floor((str2double(par.isx)-1)/2);
	221	isy2=floor((str2double(par.isy)-1)/2);
[224]	222	shiftx=str2double(par.shiftx);
	223	shifty=str2double(par.shifty);
[150]	224	hhh=findobj(haxes,'Tag','PIV_box_marker');
	225	hhhh=findobj(haxes,'Tag','PIV_search_marker');
	226	if isempty(hhh)
	227	set(0,'CurrentFigure',currentfig)
	228	set(currentfig,'CurrentAxes',haxes)
	229	rectangle('Curvature',[0 0],...
	230	'Position',[xround-ibx2 yround-iby2 2ibx2 2iby2],'EdgeColor','m',...
	231	'LineStyle','-','Tag','PIV_box_marker');
	232	rectangle('Curvature',[0 0],...
[224]	233	'Position',[xround-isx2+shiftx yround-isy2+shifty 2isx2 2isy2],'EdgeColor','m',...
[150]	234	'LineStyle','- -','Tag','PIV_search_marker');
	235	else
	236	% set(hhh,'Visible','on')
	237	set(hhh,'Position',[xround-ibx2 yround-iby2 2ibx2 2iby2])
[224]	238	set(hhhh,'Position',[xround-isx2+shiftx yround-isy2+shifty 2isx2 2isy2])
[150]	239	end
[224]	240	Asub=Field.A(yround-iby2:yround+iby2,xround-ibx2:xround+ibx2);%first sub-image
	241	Asub=reshape(Asub,[],1);%first sub-image reshaped as matlab vector
	242	rangx(1)=-(isx2-ibx2)+shiftx;
[225]	243	rangx(2)=isx2-ibx2+shiftx;
[224]	244	rangy(1)=-(isy2-iby2)-shifty;
	245	rangy(2)=(isy2-iby2)-shifty
	246	correl=zeros(rangy(2)-rangy(1)+1,rangx(2)-rangx(1)+1);
[150]	247	for id=rangx(1):rangx(2)
[224]	248	for jd=rangy(1):rangy(2)
	249	Bsub=Field.B(yround-iby2+jd:yround+iby2+jd,xround-ibx2+id:xround+ibx2+id);
[150]	250	Bsub=reshape(Bsub,[],1);
[224]	251	correl(jd-rangy(1)+1,id-rangx(1)+1)=corr(double(Asub),double(Bsub));
[150]	252	end
	253	end
	254	%correl=uint8(63.5*correl+63.5);
	255	hcorr=[];
	256	if isfield(AxeData,'CurrentCorrImage')
	257	hcorr=AxeData.CurrentCorrImage;
	258	if ~ishandle(hcorr)
	259	hcorr=[];
	260	end
	261	end
	262	if isempty(hcorr)
[152]	263	corrfig=findobj(allchild(0),'tag','corrfig');
[224]	264	if ~isempty(corrfig)
	265	set(0,'CurrentFigure',corrfig(1))
	266	AxeData.CurrentCorrImage=imagesc(rangx,-rangy,correl,[0 1]);
	267	colorbar
	268	set(haxes,'UserData',AxeData)
	269	set(get(AxeData.CurrentCorrImage,'parent'),'YDir','normal')
[150]	270	end
	271	else
	272	set(AxeData.CurrentCorrImage,'CData',correl)
[224]	273	set(AxeData.CurrentCorrImage,'XData',rangx)
	274	set(AxeData.CurrentCorrImage,'YData',-rangy)
[150]	275	end
[11]	276	end
	277	end
[150]	278	end
[11]	279	end
	280	end
	281	end
	282	set(handles.text_display_1,'String',text_displ_1);
	283	set(handles.text_display_2,'String',text_displ_2);
	284	set(handles.text_display_3,'String',text_displ_3);
	285	set(handles.text_display_4,'String',text_displ_4);
	286
[71]	287	%%%%%%%%%%%%%
[150]	288	%% draw a zoom rectangle if no object creation is selected
[71]	289	if test_zoom_draw
	290	xy_rect=AxeData.CurrentOrigin;
	291	if ~isempty(xy_rect)
	292	rect(1)=min(xy(1,1),xy_rect(1));%origin rectangle, x coordinate
	293	rect(2)=min(xy(1,2),xy_rect(2));%origin rectangle, y coordinate
	294	rect(3)=abs(xy(1,1)-xy_rect(1));%rectangle width
	295	rect(4)=abs(xy(1,2)-xy_rect(2));%rectangle height
	296	if rect(3)>0 & rect(4)>0
	297	if isfield(AxeData,'CurrentRectZoom')& ishandle(AxeData.CurrentRectZoom)
	298	set(AxeData.CurrentRectZoom,'Position',rect);%update the rectangle position
	299	else
	300	AxeData.CurrentRectZoom=rectangle('Position',rect,'LineStyle',':','Tag','rect_zoom');
	301	set(haxes,'UserData',AxeData)
	302	end
	303	end
	304	end
	305	pointershape='arrow';
	306	end
	307
[11]	308	%%%%%%%%%%%%%%%%%
[150]	309	%% create or modify an object
[71]	310	if ~isempty(huvmat) && test_object
[11]	311	PlotData=get(AxeData.CurrentObject,'UserData');
	312	huvmat=findobj(allchild(0),'Name','uvmat');%find the uvmat interface handle
	313	if ~isempty(huvmat)
	314	UvData=get(huvmat,'UserData');
	315	if ~isfield(PlotData,'IndexObj')
	316	return
	317	end
	318	ObjectData=UvData.Object{PlotData.IndexObj};
	319	XYData=AxeData.CurrentOrigin;
	320	if isequal(AxeData.Drawing,'create') && isfield(AxeData,'CurrentOrigin') && ~isempty(AxeData.CurrentOrigin)
[150]	321	if strcmp(ObjectData.Style,'line')\|\|strcmp(ObjectData.Style,'polyline')\|\|strcmp(ObjectData.Style,'polygon')\|\|strcmp(ObjectData.Style,'points')
[11]	322	xy(1,3)=0;
	323	ObjectData.Coord=[ObjectData.Coord ;xy(1,:)];
	324	% ObjectData.Coord(end,:)=xy(1,:);
[150]	325	elseif strcmp(ObjectData.Style,'rectangle')\|\|strcmp(ObjectData.Style,'ellipse')\|\|strcmp(ObjectData.Style,'volume')
[11]	326	ObjectData.Coord(1,1)=(xy(1,1)+XYData(1))/2;%origin rectangle, x coordinate
	327	ObjectData.Coord(1,2)=(xy(1,2)+XYData(2))/2;
	328	ObjectData.RangeX=abs(xy(1,1)-XYData(1))/2;%rectangle width
	329	ObjectData.RangeY=abs(xy(1,2)-XYData(2))/2;%rectangle height
	330	elseif isequal(ObjectData.Style,'plane') %case of 'plane'
	331	DX=(xy(1,1)-ObjectData.Coord(1,1));
	332	DY=(xy(1,2)-ObjectData.Coord(1,2));
	333	ObjectData.Phi=(angle(DX+iDY))180/pi;%rectangle widt
	334	if isfield(ObjectData,'RangeX')
	335	XMax=sqrt(DXDX+DYDY);
	336	if XMax>max(ObjectData.RangeX)
	337	ObjectData.RangeX=[min(ObjectData.RangeX) XMax];
	338	end
	339	end
	340	end
	341	plot_object(ObjectData,[],AxeData.CurrentObject,'m');
	342	pointershape='crosshair';
	343	elseif isequal(AxeData.Drawing,'translate')
	344	DX=xy(1,1)-XYData(1);%translation from initial position
	345	DY=xy(1,2)-XYData(2);
	346	ObjectData.Coord(:,1)=ObjectData.Coord(:,1)+DX;
	347	ObjectData.Coord(:,2)=ObjectData.Coord(:,2)+DY;
	348	plot_object(ObjectData,[],AxeData.CurrentObject,'m');
	349	pointershape='fleur';
	350	elseif isequal(AxeData.Drawing,'deform')
	351	ind_move=AxeData.CurrentIndex;
	352	ObjectData.Coord(ind_move,1)=xy(1,1);
	353	ObjectData.Coord(ind_move,2)=xy(1,2);
	354	plot_object(ObjectData,[],AxeData.CurrentObject,'m');
	355	pointershape='circle';
	356	end
	357	end
	358	end
[67]	359
[150]	360	%% detect calibration points if the GUI geometry_calib is opened
[67]	361	h_geometry_calib=findobj(allchild(0),'Name','geometry_calib'); %find the geomterty_calib GUI
[78]	362	if ~test_zoom && ~isempty(h_geometry_calib)
[67]	363	pointershape='crosshair';%default for geometry_calib: ready to create new points
	364	hh_geometry_calib=guidata(h_geometry_calib);
[156]	365	if ~isempty(xy) && isfield(hh_geometry_calib,'ListCoord')
[67]	366	h_ListCoord=hh_geometry_calib.ListCoord; %findobj(h_geometry_calib,'Tag','ListCoord');
	367	Coord=get(h_ListCoord,'String');
	368	data=read_geometry_calib(Coord);%transform char cell to numbers
	369	if size(data.Coord,2)>=5
	370	XCoord=(data.Coord(:,4));
	371	YCoord=(data.Coord(:,5));
	372	xy=get(haxes,'CurrentPoint');%xy(1,1),xy(1,2): current x,y positions in axes coordinates
	373	if ~isempty(xy)
[78]	374	xlim=get(haxes,'XLim');
	375	ind_range_x=abs((xlim(2)-xlim(1))/50);
	376	ylim=get(haxes,'YLim');
	377	ind_range_y=abs((ylim(2)-ylim(1))/50);
	378	ind_range=sqrt(ind_range_x*ind_range_y);
[67]	379	index_point=find((XCoord<xy(1,1)+ind_range) & (XCoord>xy(1,1)-ind_range) & ...%flagx=1 for the vectors with x position selected by the mouse
	380	(YCoord<xy(1,2)+ind_range) & (YCoord>xy(1,2)-ind_range),1);%find the first calibration point in the neighborhood of the mouse
	381	if ~isempty(index_point)
	382	pointershape='arrow';% default pointer is an arrow
[78]	383	end
	384	hh=findobj('Tag','calib_points');%look for handle of calibration points
	385	if ~isempty(hh) && ~isempty(get(hh,'UserData')) && get(hh_geometry_calib.edit_append,'Value')
[173]	386	index_point=get(hh,'UserData');
[78]	387	XCoord(index_point)=xy(1,1);
	388	YCoord(index_point)=xy(1,2);
	389	set(hh,'XData',XCoord)
	390	set(hh,'YData',YCoord)
	391	end
	392	if ~isempty(index_point)
	393	set(h_ListCoord,'Value',index_point)%mrk the point on the GUI geometry_calib
[67]	394	hhh=findobj('Tag','calib_marker');%look for handle of point marker (circle)
	395	if ~isempty(hhh)
[71]	396	set(hhh,'Position',[XCoord(index_point)-ind_range/2 YCoord(index_point)-ind_range/2 ind_range ind_range])
[67]	397	end
[78]	398	end
[67]	399	end
	400	end
	401	end
	402	end
	403
[150]	404	%% draw ruler
[156]	405	if test_ruler && isfield(AxeData,'Drawing') && isequal(AxeData.Drawing,'ruler')
	406	if isfield(AxeData,'RulerHandle')
	407	pointershape='crosshair'; %give the mouse pointer a cross shape
	408	RulerCoord=[AxeData.RulerCoord ;xy(1,1:2)]; %coordinates defining the ruler segment
	409	set(AxeData.RulerHandle,'XData',RulerCoord(:,1));% updtate the x coordinates for the ruler graphic object
	410	set(AxeData.RulerHandle,'YData',RulerCoord(:,2));% updtate the y coordinates for the ruler graphic object
	411	end
[60]	412	end
[150]	413
	414	%% update the mouse pointer
[11]	415	set(currentfig,'Pointer',pointershape);

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