source: issm/oecreview/Archive/14064-14311/ISSM-14194-14195.diff@ 14312

Index: ../trunk-jpl/src/m/plot/plot_gridded.m
===================================================================
--- ../trunk-jpl/src/m/plot/plot_gridded.m      (revision 14194)
+++ ../trunk-jpl/src/m/plot/plot_gridded.m      (revision 14195)
@@ -23,7 +23,7 @@
 %Interpolating data on grid
 [x_m y_m data_grid]=InterpFromMeshToGrid(elements,x,y,data,xlim(1),ylim(2),post,post,round(diff(ylim)/post),round(diff(xlim)/post),NaN);
 if size(data_grid,1)<3 | size(data_grid,2)<3,
-       error('data_grid size too small in plot_gridded, check posting and uni');
+       error('data_grid size too small in plot_gridded, check posting and units');
 end
 
 %Get and change colormap
Index: ../trunk-jpl/src/m/plot/kmlgridded.m
===================================================================
--- ../trunk-jpl/src/m/plot/kmlgridded.m        (revision 0)
+++ ../trunk-jpl/src/m/plot/kmlgridded.m        (revision 14195)
@@ -0,0 +1,145 @@
+function kmlgridded(md,data,varargin)
+
+%process options
+options=pairoptions(varargin{:});
+
+%process options
+options=changefieldvalue(options,'coord','latlon');
+
+%process mesh and data
+[x y z elements is2d isplanet]=processmesh(md,[],options);
+[data datatype]=processdata(md,data,options);
+
+%check is2d
+if ~is2d, 
+       error('buildgridded error message: gridded not supported for 3d meshes, project on a layer');
+end
+
+%Get xlim and ylim (used to extract radar image)
+xlim=[min(x) max(x)];
+ylim=[min(y) max(y)];
+post=getfieldvalue(options,'posting',diff(xlim)/1000);
+if(diff(xlim)/post>10000),
+       error(['posting too large']);
+end
+
+%Interpolating data on grid
+[x_m y_m data_grid]=InterpFromMeshToGrid(elements,x,y,data,xlim(1),ylim(2),post,post,round(diff(ylim)/post),round(diff(xlim)/post),NaN);
+if size(data_grid,1)<3 | size(data_grid,2)<3,
+       error('data_grid size too small, check posting and units');
+end
+pos=find(isinf(data_grid));
+if ~isempty(pos),
+       disp('Warning: removing Infs from vector (probably log(0)?)');
+       data_grid(pos)=NaN;
+end
+
+%Process data_grid: add white in NaN and correct caxis accordingly
+data_nan=find(isnan(data_grid));
+data_min=min(data_grid(:));
+data_max=max(data_grid(:));
+if exist(options,'caxis'),
+       caxis_opt=getfieldvalue(options,'caxis');
+       data_grid(find(data_grid<caxis_opt(1)))=caxis_opt(1);
+       data_grid(find(data_grid>caxis_opt(2)))=caxis_opt(2);
+       data_min=caxis_opt(1);
+       data_max=caxis_opt(2);
+end
+
+%Get colormap
+colorm = getcolormap(options);
+len    = size(colorm,1);
+ind = ceil((len-1)*(data_grid-data_min)/(data_max - data_min + eps) +1);
+ind(find(ind>len))=len;
+ind(find(ind<1)  )=1;
+ind(find(isnan(ind)))=1;
+image_rgb=zeros(size(data_grid,1),size(data_grid,2),3);
+r=colorm(:,1); image_rgb(:,:,1)=r(ind); clear r;
+g=colorm(:,2); image_rgb(:,:,2)=g(ind); clear g;
+b=colorm(:,3); image_rgb(:,:,3)=b(ind); clear b;
+
+%Deal with alpha
+alpha=getfieldvalue(options,'alpha',.8);
+alphaMatrix = alpha*ones(size(data_grid));
+alphaMatrix(data_nan) = 0;
+
+%write kml
+kmlfilename=getfieldvalue(options,'kmlfilename','tempfile.kml');
+kmlroot=getfieldvalue(options,'kmlroot','./');
+kmlimagename=getfieldvalue(options,'kmlimagename','tempimage');
+kmlresolution=getfieldvalue(options,'kmlresolution',1);
+kmlfolder=getfieldvalue(options,'kmlfolder','Ground Overlay');
+kmlfolderdescription=getfieldvalue(options,'kmlfolderdescription','');
+kmlgroundoverlayname=getfieldvalue(options,'kmlgroundoverlayname','ground overlay');
+kmlgroundoverlaydescription=getfieldvalue(options,'kmlgroundoverlaydescription','description');
+
+%write png
+imwrite(image_rgb,[kmlimagename '.png'],'png','alpha',alphaMatrix);
+clear image_rgb alphaMatrix
+
+%prepare colorbar
+iscolorbar=0;
+if strcmpi(getfieldvalue(options,'colorbar','on'),'on'),
+       X = linspace(0,1,len)';
+       Xlab = round(linspace(data_min,data_max,len+1));
+       html = ['<TABLE border=' num2str(1) ' bgcolor=#FFFFFF>',10];
+
+       for k=len:-1:1
+               f = (Xlab(k)-data_min)/(data_max-data_min);
+               if f<0, f=0; end
+               if f>1, f=1; end
+               polyColor(1,1) = interp1(X,colorm(:,1),f);
+               polyColor(1,2) = interp1(X,colorm(:,2),f);
+               polyColor(1,3) = interp1(X,colorm(:,3),f);
+               polyColorStr(1:2) = dec2hex(round(polyColor(1)*255),2);
+               polyColorStr(3:4) = dec2hex(round(polyColor(2)*255),2);
+               polyColorStr(5:6) = dec2hex(round(polyColor(3)*255),2);
+               html = [html,'<TR><TD width="15px" bgcolor=#',polyColorStr, '>&nbsp;</TD>','<TD bgcolor=#FFFFFF>'];
+               if k==1
+                       html=[html,'&lt;= ',num2str(Xlab(k),'%g')];
+               elseif k==len
+                       html=[html,'&gt;= ',num2str(Xlab(k),'%g')];
+               else
+                       html=[html,num2str(Xlab(k),'%g'),' to ',num2str(Xlab(k+1),'%g'),'</TD>'];
+               end
+               html = [html,'</TR>',10];
+       end
+       html = [html,'</TABLE>'];
+       iscolorbar = 1;
+end
+
+%now write kml file
+fid=fopen([kmlroot '/' kmlfilename],'w');
+fprintf(fid,'%s\n','<?xml version="1.0" encoding="UTF-8"?>');
+fprintf(fid,'%s\n','<kml xmlns="http://earth.google.com/kml/2.1">');
+fprintf(fid,'%s\n','<Document>');
+fprintf(fid,'%s%s%s\n','<name>',kmlfilename,'</name>');
+if iscolorbar,
+       fprintf(fid,'<Placemark id="colorbar">\n');
+       fprintf(fid,'%s%s%s\n','<name>','click the icon to see the colorbar','</name>');
+       fprintf(fid,'%s%s%s\n','<description>','Ground overlay colorbar','</description>');
+       fprintf(fid,'<visibility>1</visibility>\n');
+       fprintf(fid,['<description>',10,'<![CDATA[' html ']]>',10,'</description>',10,'\n']);
+       fprintf(fid,['<Style><IconStyle><scale>1</scale><Icon><href>http://maps.google.com/mapfiles/kml/shapes/donut.png</href></Icon></IconStyle><ListStyle></ListStyle></Style><Point id="poly_colorbar">\n']);
+       fprintf(fid,'<altitudeMode>clampToGround</altitudeMode>\n');
+       fprintf(fid,'<extrude>1</extrude>\n');
+       fprintf(fid,'<tessellate>1</tessellate>\n');
+       fprintf(fid,'%s%g,%g%s\n','<coordinates>',max(x),mean(y),'</coordinates>');
+       fprintf(fid,'</Point>\n');
+       fprintf(fid,'</Placemark>\n');
+end
+fprintf(fid,'%s\n','<GroundOverlay id="groundoverlay">');
+fprintf(fid,'%s%s%s\n','<name>',kmlgroundoverlayname,'</name>');
+fprintf(fid,'%s\n','<description>',kmlgroundoverlaydescription,'</description>');
+fprintf(fid,'%s%s.%s%s\n','<Icon>',kmlimagename,'png','</Icon>');
+fprintf(fid,'%s\n','<LatLonBox>');
+fprintf(fid,'%s%f%s\n','<north>',max(y_m),'</north>');
+fprintf(fid,'%s%f%s\n','<south>',min(y_m),'</south>');
+fprintf(fid,'%s%f%s\n','<east>',max(x_m),'</east>');
+fprintf(fid,'%s%f%s\n','<west>',min(x_m),'</west>');
+fprintf(fid,'%s\n','<rotation>0</rotation>');
+fprintf(fid,'%s\n','</LatLonBox>');
+fprintf(fid,'%s\n','</GroundOverlay>');
+fprintf(fid,'%s\n','</Document>');
+fprintf(fid,'%s\n','</kml>');
+fclose(fid);