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function _entity=_update_leaf(h,argList)
global _SURFACE_ENTITIES defaultLeafUserData
i=1;
new=%t;
_entities=[];
if type(h)==9
new=%f;
_entity=h;
h=_entity.user_data;
end
changed_properties=[];
if argn(2)==2
while i<=length(argList)
changed_properties=[changed_properties;argList(i)];
h(argList(i))=argList(i+1)
i=i+2;
end
end
ax=h.parent;
_win=ax.parent;
IMD=_win.immediate_drawing;
_win.immediate_drawing="off";
if new
sca(ax);
end
if or(h.typeOfPlot==["plot";"semilogx";"semilogy";"loglog";"plot3"])
if new
if h.ZData==[]
h.ZData=0*h.YData
end
if h.typeOfPlot=='plot3'
param3d1(h.XData,h.YData,h.ZData,flag=[0,0]);
else
plot2d(h.XData,h.YData,frameflag=0);
end
_entity=gce();
if _entity.type=="Compound"
_entity=_entity.children;
end
for i=size(_entity,1):-1:1
hi=h;
hi.XData=h.XData(:,i);
hi.YData=h.YData(:,i);
hi.ZData=h.ZData(:,i);
hi.CData=h.CData(:,i);
hi.data_bounds=[min(hi.XData) min(hi.YData) min(hi.ZData) min(hi.CData)
max(hi.XData) max(hi.YData) max(hi.ZData) max(hi.CData)];
hi=cycleColorsLineStyle(hi);
_entity(i).user_data=hi;
_entity(i).data(:,3)=hi.ZData(:);
setMarkAndLineProperties(_entity(i),hi);
end
_win.immediate_drawing=IMD;
return
else
set(_entity,"data",[h.XData(:) h.YData(:) h.ZData(:)]);
end
elseif or(h.typeOfPlot==["quiver";"quiver3"])
if h.AutoScaleFactor==0
_scale=1;
else
if isvector(h.XData)
dx=max(abs(h.XData(1:$-1)-h.XData(2:$)));
dy=max(abs(h.YData(1:$-1)-h.YData(2:$)));
dz=max(abs(h.ZData(1:$-1)-h.ZData(2:$)));
else
dx=max(abs(h.XData(1:$-1,1:$-1)-h.XData(2:$,2:$)));
dy=max(abs(h.YData(1:$-1,1:$-1)-h.YData(2:$,2:$)));
dz=max(abs(h.ZData(1:$-1,1:$-1)-h.ZData(2:$,2:$)));
end
_scale=sqrt((dx^2+dy^2)/max(h.UData.^2+h.VData.^2+h.WData.^2))*h.AutoScaleFactor;
end
nx=[h.XData(:)';h.XData(:)'+h.UData(:)'*_scale];
ny=[h.YData(:)';h.YData(:)'+h.VData(:)'*_scale];
nz=[h.ZData(:)';h.ZData(:)'+h.WData(:)'*_scale];
if new
h=cycleColorsLineStyle(h);
xarrows(nx,ny,-1);
_entity=gce();
_entity.data(:,3)=nz(:);
_entity.arrow_size=0.5;
param3d(0,0,0,flag=[0 0]);
_child=gce();
_child.visible="off";
_child.polyline_style=4;
_child.arrow_size_factor=0.7;
_child.user_data=defaultLeafUserData;
plot3d1(h.XData,h.YData,h.ZData,flag=[0 0 0]);
_marks=gce();
_marks.surface_mode="off";
_entity=glue([_child _marks _entity]);
else
set(_entity.children(1),'data',[nx(:) ny(:) nz(:)]);
end
setMarkAndLineProperties(_entity,h);
h.data_bounds=[min(nx) min(ny) min(nz) 0;max(nx) max(ny) max(nz) 0];
_entity.user_data=h;
_win.immediate_drawing=IMD;
return
elseif or(h.typeOfPlot==_SURFACE_ENTITIES)
if new | or(changed_properties==['XData','YData','ZData','Faces','Vertices'])
if or(h.typeOfPlot==["fill" "fill3"])
_X=h.XData($:-1:1,:);
_Y=h.YData($:-1:1,:);
_Z=h.ZData($:-1:1,:);
indices=1:length(h.CData);
if isvector(h.CData)
indices=indices(ones(1,size(h.XData,1)),:);
else
indices=matrix(indices,size(h.CData));
end
h.vertex_indices=indices($:-1:1,:)
elseif or(h.typeOfPlot==["trisurf";"trisurfl";"tripcolor";"trimesh"])
indices=matrix(1:length(h.FaceVertexCData),size(h.FaceVertexCData));
[_X,_Y,_Z]=generate3dPolygons(h.Faces,h.Vertices(:,1),h.Vertices(:,2),h.Vertices(:,3)+%i*indices,3,~isvector(h.Vertices(:,1)));
indices=imag(_Z);
_Z=real(_Z);
ntri=size(h.Faces,2);
nnodes=size(h.Vertices,1);
N=-[(_Y(2,:)-_Y(1,:)).*(_Z(3,:)-_Z(1,:))-(_Z(2,:)-_Z(1,:)).*(_Y(3,:)-_Y(1,:));
(_Z(2,:)-_Z(1,:)).*(_X(3,:)-_X(1,:))-(_X(2,:)-_X(1,:)).*(_Z(3,:)-_Z(1,:));
(_X(2,:)-_X(1,:)).*(_Y(3,:)-_Y(1,:))-(_Y(2,:)-_Y(1,:)).*(_X(3,:)-_X(1,:))];
N=N*sparse([1:ntri;1:ntri]',1../(%eps+sqrt(sum(N.^2,'r'))));
h.FaceNormals=N;
_N=zeros(3,nnodes);
nV=zeros(nnodes,1);
for i=1:ntri
nodes=h.Faces(:,i);
_N(:,nodes)=_N(:,nodes)+N(:,[i i i]);
nV(nodes)=nV(nodes)+1;
end
clear N
h.VertexNormals=_N*sparse([1:nnodes;1:nnodes]',1../(nV+%eps));
clear _N;
h.XData=_X;h.YData=_Y;h.ZData=_Z;
if h.typeOfPlot=='trisurfl'
h.FaceVertexCData=matrix(computeLight(h.VertexNormals,h.light(:)),size(h.Vertices(:,1)));
end
h.CData=matrix(h.FaceVertexCData(indices),size(h.ZData));
h.vertex_indices=matrix(1:length(h.CData),size(h.CData));
else // surf, surfl, pcolor
indices=matrix(1:length(h.CData),size(h.CData));
[_X,_Y,_Z]=generate3dPolygons(h.Faces,h.XData,h.YData,h.ZData+%i*indices,4,~isvector(h.XData));
h.vertex_indices=imag(_Z);
_Z=real(_Z);
if isvector(h.XData)
[zx,zy]=nonParametricDiffData(h.XData,h.YData,h.ZData);
h.VertexNormals=nonParametricNormals(zx,zy);
else
[xu,yu,zu,xv,yv,zv]=parametricDiffData(h.XData,h.YData,h.ZData);
h.VertexNormals=parametricNormals(xu,yu,zu,xv,yv,zv);
end
if h.typeOfPlot=='surfl'
h.CData=matrix(computeLight(h.VertexNormals,h.light(:)),size(h.ZData));
end
end
end
if new
plot3d1(_X,_Y,list(_Z,0*_Z),flag=[0 0 0],alpha=ax.rotation_angles(1),theta=ax.rotation_angles(2));
_entity=gce();
elseif or(changed_properties==['XData','YData','ZData','Faces','Vertices'])
_entity.data=tlist(["3d";"x";"y";"z";"color"],_X,_Y,_Z,_entity.data.color);
end
if new | or(changed_properties==['FaceColor','EdgeColor'])
setColors(_entity,h);
end
end
h.data_bounds=[min(h.XData) min(h.YData) min(h.ZData) min(h.CData)
max(h.XData) max(h.YData) max(h.ZData) max(h.CData)];
_entity.user_data=h;
if new | or(changed_properties==['Color','LineStyle','LineWidth','Marker','MarkerFaceColor','MarkerEdgeColor'])
setMarkAndLineProperties(_entity,h);
end
if ~new | or(changed_properties==['XData','YData','ZData','CData','Vertices'])
_compute_data_bounds(ax);
end
_win.immediate_drawing=IMD;
endfunction
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