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plot2svg.m
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plot2svg.m
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function varargout = plot2svg(param1,id,pixelfiletype)
% Matlab to SVG converter
% Prelinary version supporting 3D plots as well
%
% Usage: plot2svg(filename,graphic handle,pixelfiletype)
% optional optional optional
% or
%
% plot2svg(figuresize,graphic handle,pixelfiletype)
% optional optional optional
%
% pixelfiletype = 'png' (default), 'jpg'
%
% Juerg Schwizer 23-Oct-2005
% See http://www.zhinst.com/blogs/schwizer/ to get more informations
%
% 07.06.2005 - Bugfix axxindex (Index exceeds matrix dimensions)
% 19.09.2005 - Added possibility to select output format of pixel graphics
% 23.10.2005 - Bugfix cell array strings (added by Bill)
% Handling of 'hggroups' and improved grouping of objects
% Improved handling of pixel images (indexed and true color pictures)
% 23.10.2005 - Switched default pixelfromat to 'png'
% 07.11.2005 - Added handling of hidden axes for annotations (added by Bill)
% 03.12.2005 - Bugfix of viewBox to make Firefox 1.5 working
% 04.12.2005 - Improved handling of exponent values for log-plots
% Improved markers
% 09.12.2005 - Bugfix '<' '>' '?' '"'
% 22.12.2005 - Implementation of preliminary 3D version
% Clipping
% Minor tick marks
% 22.01.2005 - Removed unused 'end'
% 29.10.2006 - Bugfix '°','±','µ','²','³','¼''½','¾','©''®'
% 17-04-2007 - Bugfix 'projection' in hggroup and hgtransform
% 27-01-2008 - Added Octave functionality (thanks to Jakob Malm)
% Bugfixe cdatamapping (thanks to Tom)
% Bugfix image data writing (thanks to Tom)
% Patches includes now markers as well (needed for 'scatter'
% plots (thanks to Phil)
% 04-02-2008 - Bugfix markers for Octave (thanks to Jakob Malm)
% 30-12-2008 - Bugfix image scaling and orientation
% Bugfix correct backslash (thanks to Jason Merril)
% 20-06-2009 - Improvment of image handling (still some remaining issues)
% Fix for -. line style (thanks to Ritesh Sood)
% 28-06-2009 - Improved depth sorting for patches and surface
% - Bugfix patches
% - Bugfix 3D axis handling
% 11-07-2009 - Support of FontWeight and FontAngle properties
% - Improved markers (polygon instead of polyline for closed markers)
% - Added character encoding entry to be fully SVG 1.1 conform
% 13-07-2009 - Support of rectangle for 2D
% - Added preliminary support for SVG filters
% - Added preliminary support for clipping with pathes
% - Added preliminary support for turning axis tickmarks
% 18-07-2009 - Line style scaling with line width (will not match with png
% output)
% - Small optimizations for the text base line
% - Bugfix text rotation versus shift
% - Added more SVG filters
% - Added checks for filter strings
% 21-07-2009 - Improved bounding box calculation for filters
% - Bugfixes for text size / line distance
% - Support of background box for text
% - Correct bounding box for text objects
% 31-07-2009 - Improved support of filters
% - Experimental support of animations
% 16-08-2009 - Argument checks for filters
% - Rework of latex string handling
% - 'sub' and 'super' workaround for Firefox and Inkscape
% 31-10-2009 - Bugfix for log axes (missing minor grid for some special
% cases)
% 24-01-2010 - Bugfix nomy line #1102 (thanks to Pooya Jannaty)
% 17-02-2010 - Bugfix minor tickmarks for log axis scaling (thanks to
% Harke Pera)
% - Added more lex symbols
% 06-03-2010 - Automatic correction of illegal axis scalings by the user
% (thanks to Juergen)
% - Renamed plot2svg_beta to plot2svg
% 12-04-2010 - Improved Octave compatibility
% 05-05-2010 - Bugfix for ticklabels outside of the axis limits (thanks to
% Ben Scandella)
% 30-10-2010 - Improved handling of empty cells for labels (thanks to
% Constantine)
% - Improved HTML character coding (thanks to David Mack)
% - Bugfix for last ')' (thanks to Jonathon Harding and Benjamin)
% - Enabled scatter plots using hggroups
% - Closing patches if they do not contain NaNs
% 10-11-2010 - Support of the 'Layer' keyword to but the grid on top of
% of the other axis content using 'top' (Many thanks to Justin
% Ashmall)
% - Tiny optimization of the grid display at axis borders
% 25-08-2011 - Fix for degree character (thanks to Manes Recheis)
% - Fix for problems with dash-arrays in Inkscape (thanks to
% Rüdiger Stirnberg)
% - Modified shape of driangles (thanks to Rüdiger Stirnberg)
% 22-10-2011 - Removed versn as return value of function fileparts (thanks
% to Andrew Scott)
% - Fix for images (thanks to Roeland)
% 20-05-2012 - Added some security checks for empty data
% - Fixed rotation for multiline text
% 25-08-2012 - Special handling of 1xn char arrays for tick labels
% (thanks to David Plavcan)
% - Fix for 'Index exceeds matrix dimensions' of axis labels
% (thanks to Aslak Grinsted)
% - Fix for another axis label problem (thanks to Ben Mitch)
% 15-09-2012 - Fix for linestyle none of rectangles (thanks to Andrew)
% - Enabled scatter plot functionality
global PLOT2SVG_globals
global colorname
progversion='15-Sep-2012';
PLOT2SVG_globals.runningIdNumber = 0;
PLOT2SVG_globals.octave = false;
PLOT2SVG_globals.checkUserData = true;
PLOT2SVG_globals.ScreenPixelsPerInch = 90; % Default 90ppi
try
PLOT2SVG_globals.ScreenPixelsPerInch = get(0, 'ScreenPixelsPerInch');
catch
% Keep the default 90ppi
end
if nargout==1
varargout={0};
end
disp([' Matlab/Octave to SVG converter version ' progversion ', Juerg Schwizer ([email protected]).'])
matversion=version;
if exist('OCTAVE_VERSION','builtin')
PLOT2SVG_globals.octave = true;
disp(' Info: PLOT2SVG runs in Octave mode.')
else
if str2num(matversion(1))<6 % Check for matlab version and print warning if matlab version lower than version 6.0 (R.12)
disp(' Warning: Future versions may no more support older versions than MATLAB R12.')
end
end
if nargout > 1
error('Function returns only one return value.')
end
if nargin<2 % Check if handle was included into function call, otherwise take current figure
id=gcf;
end
if nargin==0
if PLOT2SVG_globals.octave
error('PLOT2SVG in Octave mode does not yet support a file menu. File name is needed during function call.')
else
[filename, pathname] = uiputfile( {'*.svg', 'SVG File (*.svg)'},'Save Figure as SVG File');
if ~( isequal( filename, 0) || isequal( pathname, 0))
% yes. add backslash to path (if not already there)
pathname = addBackSlash( pathname);
% check, if extension is allrigth
if ( ~strcmpi( getFileExtension( filename), '.svg'))
filename = [ filename, '.svg'];
end
finalname=[pathname filename];
else
disp(' Cancel button was pressed.')
return
end
end
else
if isnumeric(param1)
if PLOT2SVG_globals.octave
error('PLOT2SVG in Octave mode does not yet support a file menu. File name is needed during function call.')
else
[filename, pathname] = uiputfile( {'*.svg', 'SVG File (*.svg)'},'Save Figure as SVG File');
if ~( isequal( filename, 0) || isequal( pathname, 0))
% yes. add backslash to path (if not already there)
pathname = addBackSlash( pathname);
% check, if ectension is allrigth
if ( ~strcmpi( getFileExtension( filename), '.svg'))
filename = [ filename, '.svg'];
end
finalname=[pathname filename];
else
disp(' Cancel button was pressed.')
return
end
end
else
finalname=param1;
end
end
% needed to see annotation axes
originalShowHiddenHandles = get(0, 'ShowHiddenHandles');
set(0, 'ShowHiddenHandles', 'on');
originalFigureUnits=get(id,'Units');
set(id,'Units','pixels'); % All data in the svg-file is saved in pixels
paperpos=get(id,'Position');
if ( nargin > 0)
if isnumeric(param1)
paperpos(3)=param1(1);
paperpos(4)=param1(2);
end
end
paperpos = paperpos * 90 / PLOT2SVG_globals.ScreenPixelsPerInch;
if (nargin < 3)
PLOT2SVG_globals.pixelfiletype = 'png';
else
PLOT2SVG_globals.pixelfiletype = pixelfiletype;
end
cmap=get(id,'Colormap');
colorname='';
for i=1:size(cmap,1)
colorname(i,:)=sprintf('%02x%02x%02x',fix(cmap(i,1)*255),fix(cmap(i,2)*255),fix(cmap(i,3)*255));
end
% Open SVG-file
[pathstr,name] = fileparts(finalname);
%PLOT2SVG_globals.basefilename = fullfile(pathstr,name);
PLOT2SVG_globals.basefilepath = pathstr;
PLOT2SVG_globals.basefilename = name;
PLOT2SVG_globals.figurenumber = 1;
fid=fopen(finalname,'wt'); % Create a new text file
fprintf(fid,'<?xml version="1.0" encoding="utf-8" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n'); % Insert file header
fprintf(fid,'<svg preserveAspectRatio="xMinYMin meet" width="100%%" height="100%%" viewBox="0 0 %0.3f %0.3f" ',paperpos(3),paperpos(4));
fprintf(fid,' version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"');
%fprintf(fid,' onload="Init(evt)"');
fprintf(fid,'>\n');
fprintf(fid,' <desc>Matlab Figure Converted by PLOT2SVG written by Juerg Schwizer</desc>\n');
%fprintf(fid,' <script type="text/ecmascript" xlink:href="puzzle_script.js" />\n');
fprintf(fid,' <g id="topgroup">\n');
group=1;
groups=[];
% Frame of figure
figcolor = searchcolor(id,get(id, 'Color'));
if (~ strcmp(figcolor, 'none'))
% Draw rectangle in the background of the graphic frame to cover all
% other graphic elements
try % Octave does not have support for InvertHardcopy yet -- Jakob Malm
if strcmp(get(id,'InvertHardcopy'),'on')
fprintf(fid,' <rect x="0" y="0" width="%0.3f" height="%0.3f" fill="#ffffff" stroke="none" />\n',paperpos(3),paperpos(4));
else
fprintf(fid,' <rect x="0" y="0" width="%0.3f" height="%0.3f" fill="%s" stroke="none" />\n',paperpos(3),paperpos(4),figcolor);
end
catch
fprintf(fid,' <rect x="0" y="0" width="%0.3f" height="%0.3f" fill="%s" stroke="none" />\n',paperpos(3),paperpos(4),figcolor);
end
end
% Search all axes
ax=get(id,'Children');
for j=length(ax):-1:1
currenttype = get(ax(j),'Type');
if strcmp(currenttype,'axes')
group=group+1;
groups=[groups group];
group=axes2svg(fid,id,ax(j),group,paperpos);
elseif strcmp(currenttype,'uicontrol')
if strcmp(get(ax(j),'Visible'),'on')
control2svg(fid,id,ax(j),group,paperpos);
end
elseif strcmp(currenttype, 'uicontextmenu') || ...
strcmp(currenttype, 'uimenu') || ...
strcmp(currenttype, 'hgjavacomponent') || ...
strcmp(currenttype, 'uitoolbar')
% ignore these types
else
disp([' Warning: Unhandled main figure child type: ' currenttype]);
end
end
fprintf(fid,' </g>\n');
fprintf(fid,'</svg>\n');
fclose(fid); % close text file
if nargout==1
varargout={0};
end
set(id,'Units',originalFigureUnits);
set(0, 'ShowHiddenHandles', originalShowHiddenHandles);
function clippingIdString = clipping2svg(fid, id, ax, paperpos, axpos, projection, clippingIdString)
global PLOT2SVG_globals
if PLOT2SVG_globals.checkUserData && isstruct(get(id,'UserData'))
struct_data = get(id,'UserData');
if isfield(struct_data,'svg')
if isfield(struct_data.svg,'ClippingPath')
clip = struct_data.svg.ClippingPath;
if ~isempty(clip)
if size(clip, 2) ~=3
if size(clip, 2) ==2
clipx = clip(:, 1);
clipy = clip(:, 2);
clipz = zeros(size(clip,1),1);
else
error('The clipping vector has to be a nx3 or nx2 matrix.');
end
else
clipx = clip(:, 1);
clipy = clip(:, 2);
clipz = clip(:, 3);
end
if strcmp(get(ax,'XScale'),'log')
clipx(find(clipx<=0)) = NaN;
clipx=log10(clipx);
end
if strcmp(get(ax,'YScale'),'log')
clipy(find(clipy<=0)) = NaN;
clipy=log10(clipy);
end
if strcmp(get(ax,'ZScale'),'log')
clipz(find(clipz<=0)) = NaN;
clipz=log10(clipz);
end
[x,y,z] = project(clipx,clipy,clipz,projection);
x = (x*axpos(3)+axpos(1))*paperpos(3);
y = (1-(y*axpos(4)+axpos(2)))*paperpos(4);
clippingIdString = createId;
fprintf(fid,'<clipPath id="%s">\n <polygon fill="none" stroke="none" points="', clippingIdString);
fprintf(fid,'%0.3f,%0.3f ',[x';y']);
fprintf(fid,'"/>\n</clipPath>\n');
end
end
end
end
function [angle, align] = improvedXLabel(id, angle, align)
global PLOT2SVG_globals
if PLOT2SVG_globals.checkUserData && isstruct(get(id,'UserData'))
struct_data = get(id,'UserData');
if isfield(struct_data,'svg')
if isfield(struct_data.svg,'XTickLabelAngle')
angle = struct_data.svg.XTickLabelAngle;
align = 'Left';
end
end
end
function [angle, align] = improvedYLabel(id, angle, align)
global PLOT2SVG_globals
if PLOT2SVG_globals.checkUserData && isstruct(get(id,'UserData'))
struct_data = get(id,'UserData');
if isfield(struct_data,'svg')
if isfield(struct_data.svg,'YTickLabelAngle')
angle = struct_data.svg.YTickLabelAngle;
align = 'Left';
end
end
end
function animation2svg(fid, id)
global PLOT2SVG_globals
if PLOT2SVG_globals.checkUserData && isstruct(get(id,'UserData'))
struct_data = get(id,'UserData');
if isfield(struct_data,'svg')
if isfield(struct_data.svg,'Animation')
animation = struct_data.svg.Animation;
for i = 1:length(animation)
if ~isfield(animation(i).SubAnimation, 'Type')
error(['Missing field ''Type'' for animation.']);
end
switch animation(i).SubAnimation.Type
case 'Opacity', type = 'opacity'; animationType = 0;
case 'Translate', type = 'translate'; animationType = 2;
case 'Scale', type = 'scale'; animationType = 2;
case 'Rotate', type = 'rotate'; animationType = 1;
case 'skewX', type = 'skewX'; animationType = 1;
case 'skewY', type = 'skewY'; animationType = 1;
otherwise, error(['Unknown animation type ''' animation(i).SubAnimation.Type '''.']);
end
%fprintf(fid,' <animate attributeType="XML" attributeName="%s" from="%0.3f" to="%0.3f" dur="%0.3fs" repeatCount="%s" />',...
% 'opacity' , 0, 1, 5, 'indefinite');
if animationType == 0
fprintf(fid,' <animate attributeType="XML" attributeName="%s" dur="%0.3fs"', type, animation(i).SubAnimation.Duration);
fprintf(fid,' values="');
fprintf(fid,'%0.2f;', animation(i).SubAnimation.Value);
fprintf(fid,'" keyTimes="');
fprintf(fid,'%0.2f;', max(min(animation(i).SubAnimation.Key, 1), 0));
fprintf(fid,'" repeatCount="%s" calcMode="linear" />', 'indefinite');
elseif animationType == 1
fprintf(fid,' <animateTransform attributeName="transform" attributeType="XML" type="%s" dur="%0.3fs"', type, animation(i).SubAnimation.Duration);
fprintf(fid,' values="');
fprintf(fid,'%0.2f;', animation(i).SubAnimation.Value);
fprintf(fid,'" keyTimes="');
fprintf(fid,'%0.2f;', max(min(animation(i).SubAnimation.Key, 1), 0));
fprintf(fid,'" repeatCount="%s" calcMode="linear" additive="sum" />', 'indefinite');
elseif animationType == 2
fprintf(fid,' <animateTransform attributeName="transform" attributeType="XML" type="%s" dur="%0.3fs"', type, animation(i).SubAnimation.Duration);
fprintf(fid,' values="');
fprintf(fid,'%0.2f,%0.2f;', animation(i).SubAnimation.Value);
fprintf(fid,'" keyTimes="');
fprintf(fid,'%0.2f;', max(min(animation(i).SubAnimation.Key, 1), 0));
fprintf(fid,'" repeatCount="%s" calcMode="linear" additive="sum" />', 'indefinite');
end
end
end
end
end
function [filterString, boundingBox] = filter2svg(fid, id, boundingBoxAxes, boundingBoxElement)
global PLOT2SVG_globals
filterString = '';
boundingBox = boundingBoxAxes;
if PLOT2SVG_globals.checkUserData && isstruct(get(id,'UserData'))
struct_data = get(id,'UserData');
if isfield(struct_data,'svg')
boundingBox = boundingBoxElement;
absolute = true;
offset = 0;
if isfield(struct_data.svg,'BoundingBox')
if isfield(struct_data.svg.BoundingBox, 'Type')
switch struct_data.svg.BoundingBox.Type
case 'axes', boundingBox = boundingBoxAxes; absolute = true;
case 'element', boundingBox = boundingBoxElement; absolute = true;
case 'relative', boundingBox = boundingBoxElement; absolute = false;
otherwise
error(['Unknown bounding box type ''' struct_data.svg.BoundingBox.Type '''.']);
end
end
if isfield(struct_data.svg.BoundingBox, 'Overlap')
overlap = struct_data.svg.BoundingBox.Overlap;
if absolute
boundingBox(1) = boundingBox(1) - overlap;
boundingBox(2) = boundingBox(2) - overlap;
boundingBox(3) = boundingBox(3) + 2 * overlap;
boundingBox(4) = boundingBox(4) + 2 * overlap;
else
boundingBox(1) = boundingBox(1) - boundingBox(3) * overlap;
boundingBox(2) = boundingBox(2) - boundingBox(4) * overlap;
boundingBox(3) = boundingBox(3) + 2 * boundingBox(3) * overlap;
boundingBox(4) = boundingBox(4) + 2 * boundingBox(4) * overlap;
end
end
if isfield(struct_data.svg.BoundingBox, 'Visible') && strcmp(struct_data.svg.BoundingBox.Visible, 'on')
% This functionality is very interesting for debugging of
% bounding boxes of filters
fprintf(fid,'<rect x="%0.3f" y="%0.3f" width="%0.3f" height="%0.3f" fill="none" stroke="#000000" stroke-dasharray="1,1" stroke-width="0.2pt" />\n', boundingBox(1), boundingBox(2), boundingBox(3), boundingBox(4));
end
end
if isfield(struct_data.svg,'Filter')
% Predefined filter sources. Additional filter sources will be
% added later.
predefinedSources = {'SourceGraphic','SourceAlpha','BackgroundImage','BackgroundAlpha','FillPaint','StrokePaint'};
resultStrings = predefinedSources;
filterId = createId;
filterString = ['filter="url(#' filterId ')"'];
fprintf(fid,'<defs>\n');
fprintf(fid,' <filter x="%0.3f%%" y="%0.3f%%" width="%0.3f%%" height="%0.3f%%" id="%s">\n', 0, 0, 100, 100, filterId);
%if absolute
% fprintf(fid,' <filter x="%0.3f" y="%0.3f" width="%0.3f" height="%0.3f" filterUnits="userSpaceOnUse" id="%s">\n', boundingBox(1), boundingBox(2), boundingBox(3), boundingBox(4), filterId);
%else
% fprintf(fid,' <filter x="%0.3f%%" y="%0.3f%%" width="%0.3f%%" height="%0.3f%%" id="%s">\n', -(offset * 100), -(offset * 100), 100 + (offset * 200), 100 + (offset * 200), filterId);
% % Note: use default -10% for attribute x
% % use default -10% for attribute y
% % use default 120% for attribute width
% % use default 120% for attribute height
%end
filter = struct_data.svg.Filter;
for i = 1:length(filter)
if isfield(filter(i).Subfilter, 'Type')
fprintf(fid,' <%s', filter(i).Subfilter.Type);
else
error(['Missing field ''Type'' for filter.'])
end
try
if isfield(filter(i).Subfilter, 'Position')
printAttributeArray(fid, {'x','y','width','height'}, filter(i).Subfilter, 'Position');
end
printAttributeString(fid, 'result', filter(i).Subfilter, 'Result');
% Add result string to the list in order to check the in
% strings.
resultStrings{length(resultStrings) + 1} = filter(i).Subfilter.Result;
% The strmatch below is a very inefficient search (Matlab limitation)
if ~isempty(strmatch(filter(i).Subfilter.Result, predefinedSources))
error('Usage of a predefined filter source as filter result string is not allowed.');
end
switch (filter(i).Subfilter.Type)
case 'feGaussianBlur'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source', 'SourceGraphic', resultStrings);
printAttributeDouble(fid, 'stdDeviation', filter(i).Subfilter, 'Deviation');
fprintf(fid,' />\n');
case 'feImage'
printAttributeString(fid, 'xlink:href', filter(i).Subfilter, 'File');
printAttributeString(fid, 'preserveAspectRatio', filter(i).Subfilter, 'AspectRatio', 'xMidYMid meet');
fprintf(fid,' />\n');
case 'feComposite'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source1', 'SourceGraphic', resultStrings);
printAttributeIn(fid, 'in2', filter(i).Subfilter, 'Source2', 'SourceGraphic', resultStrings);
printAttributeList(fid, 'operator', filter(i).Subfilter, 'Operator', {'over','in','out','atop','xor','arithmetic'}, 'over'); % 'over' | 'in' | 'out' | 'atop' | 'xor' | 'arithmetic'
if isfield(filter(i).Subfilter, 'Operator') && strcmp(filter(i).Subfilter.Operator, 'arithmetic')
printAttributeArray(fid, {'k1','k2','k3','k4'}, filter(i).Subfilter, 'k');
end
fprintf(fid,' />\n');
case 'feSpecularLighting'
printAttributeDouble(fid, 'specularConstant', filter(i).Subfilter, 'SpecularConstant');
printAttributeDouble(fid, 'specularExponent', filter(i).Subfilter, 'SpecularExponent');
printAttributeDouble(fid, 'surfaceScale', filter(i).Subfilter, 'SurfaceScale');
fprintf(fid,' style="lighting-color:white"');
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source', 'SourceGraphic', resultStrings);
fprintf(fid,' >\n');
if isfield(filter(i).Subfilter, 'LightType')
fprintf(fid,' <%s', filter(i).Subfilter.LightType);
switch filter(i).Subfilter.LightType
case 'feDistantLight'
printAttributeDouble(fid, 'azimuth', filter(i).Subfilter, 'Azimuth');
printAttributeDouble(fid, 'elevation', filter(i).Subfilter, 'Elevation');
case 'fePointLight'
printAttributeArray(fid, {'x','y','z'}, filter(i).Subfilter, 'Position');
case 'feSpotLight'
printAttributeArray(fid, {'x','y','z'}, filter(i).Subfilter, 'Position');
printAttributeArray(fid, {'pointsAtX','pointsAtY','pointsAtZ'}, filter(i).Subfilter, 'PositionsAt');
printAttributeDouble(fid, 'specularExponent', filter(i).Subfilter, 'LightSpecularExponent');
printAttributeDouble(fid, 'limitingConeAngle', filter(i).Subfilter, 'LimitingConeAngle');
otherwise, error(['Unknown light type ''' filter(i).Subfilter.LightType ''.']);
end
fprintf(fid,' />\n');
else
error('Missing field ''LightType''.');
end
fprintf(fid,'</%s>\n',filter(i).Subfilter.Type);
case 'feOffset'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source', 'SourceGraphic', resultStrings);
printAttributeArray(fid, {'dx','dy'}, filter(i).Subfilter, 'Offset');
fprintf(fid,' />\n');
case 'feBlend'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source1', 'SourceGraphic', resultStrings);
printAttributeIn(fid, 'in2', filter(i).Subfilter, 'Source2', 'SourceGraphic', resultStrings);
printAttributeList(fid, 'mode', filter(i).Subfilter, 'Mode', {'normal','multiply','screen','darken','lighten'}, 'normal'); % 'normal' | 'multiply' | 'screen' | 'darken' | 'lighten'
fprintf(fid,' />\n');
case 'feTurbulence'
printAttributeDouble(fid, 'baseFrequency', filter(i).Subfilter, 'BaseFrequency');
printAttributeDouble(fid, 'numOctaves', filter(i).Subfilter, 'NumOctaves');
printAttributeDouble(fid, 'seed', filter(i).Subfilter, 'Seed');
printAttributeList(fid, 'stitchTiles', filter(i).Subfilter, 'StitchTiles', {'stitch','noStitch'}, 'noStitch'); % stitch | noStitch
printAttributeList(fid, 'type', filter(i).Subfilter, 'TurbulenceType', {'fractalNoise','turbulence'}, 'turbulence'); % 'fractalNoise' | 'turbulence'
fprintf(fid,' />\n');
case 'feColorMatrix'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source', 'SourceGraphic', resultStrings);
printAttributeList(fid, 'type', filter(i).Subfilter, 'ColorType', {'matrix','saturate','hueRotate','luminanceToAlpha'}); % 'matrix' | 'saturate' | 'hueRotate' | 'luminanceToAlpha'
if isfield(filter(i).Subfilter, 'ColorType') && strcmp(filter(i).Subfilter.ColorType, 'matrix')
if isfield(filter(i).Subfilter, 'Matrix') && (lenght(filter(i).Subfilter.Matrix) == 20)
fprintf(fid,' values="');
fprintf(fid,' %0.3f', filter(i).Subfilter.Matrix);
fprintf(fid,'"');
else
error('Field ''Matrix'' is missing or not a 5x4 matrix.');
end
end
if isfield(filter(i).Subfilter, 'ColorType') && (strcmp(filter(i).Subfilter.ColorType, 'saturate') || strcmp(filter(i).Subfilter.ColorType, 'hueRotate'))
printAttributeDouble(fid, 'values', filter(i).Subfilter, 'Matrix');
end
fprintf(fid,' />\n');
case 'feFlood'
printAttributeColor(fid, 'flood-color', filter(i).Subfilter, 'Color');
printAttributeDouble(fid, 'flood-opacity', filter(i).Subfilter, 'Opacity');
fprintf(fid,' />\n');
case 'feDisplacementMap'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source1', 'SourceGraphic', resultStrings);
printAttributeIn(fid, 'in2', filter(i).Subfilter, 'Source2', 'SourceGraphic', resultStrings);
printAttributeDouble(fid, 'scale', filter(i).Subfilter, 'Scale');
printAttributeList(fid, 'xChannelSelector', filter(i).Subfilter, 'xChannel', {'R','G','B','A'}, 'A'); % 'R' | 'G' | 'B' | 'A'
printAttributeList(fid, 'yChannelSelector', filter(i).Subfilter, 'yChannel', {'R','G','B','A'}, 'A'); % 'R' | 'G' | 'B' | 'A'
fprintf(fid,' />\n');
case 'feMerge'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source1', 'SourceGraphic', resultStrings);
printAttributeIn(fid, 'in2', filter(i).Subfilter, 'Source2', 'SourceGraphic', resultStrings);
printAttributeList(fid, 'mode', filter(i).Subfilter, 'Mode', {'normal','multiply','screen','darken','lighten'}); % 'normal' | 'multiply' | 'screen' | 'darken' | 'lighten'
fprintf(fid,' />\n');
case 'feMorphology'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source', 'SourceGraphic', resultStrings);
printAttributeList(fid, 'operator', filter(i).Subfilter, 'Operator', {'erode','dilate'}); % 'erode' | 'dilate'
printAttributeDouble(fid, 'radius', filter(i).Subfilter, 'Radius');
fprintf(fid,' />\n');
case 'feTile'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source', 'SourceGraphic', resultStrings);
fprintf(fid,' />\n');
case 'feDiffuseLighting'
printAttributeIn(fid, 'in', filter(i).Subfilter, 'Source', 'SourceGraphic', resultStrings);
fprintf(fid,' style="lighting-color:white"');
printAttributeDouble(fid, 'surfaceScale', filter(i).Subfilter, 'SurfaceScale');
printAttributeDouble(fid, 'diffuseConstant', filter(i).Subfilter, 'DiffuseConstant');
printAttributeDouble(fid, 'kernelUnitLength', filter(i).Subfilter, 'KernelUnitLength');
fprintf(fid,' />\n');
% case 'feConvolveMatrix'
%
% printAttributeDouble(fid, 'order', filter(i).Subfilter);
% kernelMatrix
% printAttributeDouble(fid, 'divisor', filter(i).Subfilter, 1.0);
% printAttributeDouble(fid, 'bias', filter(i).Subfilter, 0);
% targetX
% targetY
% printAttributeString(fid, 'edgeMode', filter(i).Subfilter, 'EdgeMode', 'duplicate');
% fprintf(fid,' kernelUnitLength="1 1"');
% printAttributeString(fid, 'preserveAlpha', filter(i).Subfilter, 'PreserveAlpha', 'true');
% fprintf(fid,' />\n');
case {'feComponentTransfer','feConvolveMatrix'}
error('Filter not yet implemented.');
otherwise
error(['Unknown filter ''' filter(i).Subfilter.Type '''.']);
end
catch
error([lasterr ' Error is caused by filter type ''' filter(i).Subfilter.Type '''.']);
end
end
fprintf(fid,' </filter>\n');
fprintf(fid,'</defs>\n');
end
end
end
function printAttributeArray(fid, names, svgstruct, svgfield)
if isfield(svgstruct, svgfield)
if isnumeric(svgstruct.(svgfield))
if length(svgstruct.(svgfield)) ~= length(names)
error(['Length mismatch for field ''' svgfield '''.'])
end
for i = 1:length(names)
fprintf(fid,' %s="%0.3f"', names{i}, svgstruct.(svgfield)(i));
end
else
error(['Field ''' svgfield ''' must be numeric.']);
end
else
if nargin < 5
error(['Missing field ''' svgfield '''.'])
else
for i = 1:length(names)
fprintf(fid,' %s="%0.3f"', names{i}, default(i));
end
end
end
function printAttributeDouble(fid, name, svgstruct, svgfield, default)
if isfield(svgstruct, svgfield)
if isnumeric(svgstruct.(svgfield))
fprintf(fid,' %s="%0.3f"', name, svgstruct.(svgfield));
else
error(['Field ''' svgfield ''' must be numeric.']);
end
else
if nargin < 5
error(['Missing field ''' svgfield '''.'])
else
fprintf(fid,' %s="%0.3f"', name, default);
end
end
function printAttributeIn(fid, name, svgstruct, svgfield, default, resultStrings)
if isfield(svgstruct, svgfield)
if ischar(svgstruct.(svgfield))
% The strmatch below is a very inefficient search (Matlab limitation)
if isempty(strmatch(svgstruct.(svgfield), resultStrings))
error(['The source string ''' svgstruct.(svgfield) ''' was never a result string of a previous filter. Check for correct spelling.']);
else
fprintf(fid,' %s="%s"', name, svgstruct.(svgfield));
end
else
error(['Field ''' svgfield ''' must be a string.']);
end
else
if nargin < 5
error(['Missing field ''' svgfield '''.'])
else
fprintf(fid,' %s="%s"', name, default);
end
end
function printAttributeString(fid, name, svgstruct, svgfield, default)
if isfield(svgstruct, svgfield)
if ischar(svgstruct.(svgfield))
fprintf(fid,' %s="%s"', name, svgstruct.(svgfield));
else
error(['Field ''' svgfield ''' must be a string.']);
end
else
if nargin < 5
error(['Missing field ''' svgfield '''.'])
else
fprintf(fid,' %s="%s"', name, default);
end
end
function printAttributeList(fid, name, svgstruct, svgfield, list, default)
if isfield(svgstruct, svgfield)
if ischar(svgstruct.(svgfield))
if isempty(strmatch(svgstruct.(svgfield), list))
listString = strcat(list, ''' | ''');
listString = [listString{:}];
error(['Illegal string identifier ''' svgstruct.(svgfield) '''. Must be one out of the list: ''' listString(1:end-4) '.']);
else
fprintf(fid,' %s="%s"', name, svgstruct.(svgfield));
end
else
error(['Field ''' svgfield ''' must be a string.']);
end
else
if nargin < 6
error(['Missing field ''' svgfield '''.'])
else
fprintf(fid,' %s="%s"', name, default);
end
end
function printAttributeColor(fid, name, svgstruct, svgfield, default)
if isfield(svgstruct, svgfield)
if isnumeric(svgstruct.(svgfield))
if length(svgstruct.(svgfield)) ~= 3
error(['Color must be a 1x3 vector for field ''' svgfield '''.'])
else
fprintf(fid,' %s="%s"', name, searchcolor(gca, svgstruct.(svgfield)));
end
else
error(['Field ''' svgfield ''' must be a 1x3 vector.']);
end
else
if nargin < 5
error(['Missing field ''' svgfield '''.'])
else
fprintf(fid,' %s="%s"', name, default);
end
end
function frontTicks(fid, grouplabel, axpos, x, y, scolorname, linewidth, tick, index, edge_neighbours, c, valid_ticks, ticklength, tick_ratio, lim, drawBorder)
for k = 1:length(index)
x_tick_end1 = interp1([0 1],[x(index(k)) x(edge_neighbours(index(k),c(1)))],ticklength*tick_ratio(c(3)),'linear','extrap');
y_tick_end1 = interp1([0 1],[y(index(k)) y(edge_neighbours(index(k),c(1)))],ticklength*tick_ratio(c(3)),'linear','extrap');
x_tick_end2 = interp1([0 1],[x(edge_neighbours(index(k),c(2))) x(edge_neighbours(edge_neighbours(index(k),c(2)),c(1)))],ticklength*tick_ratio(c(3)),'linear','extrap');
y_tick_end2 = interp1([0 1],[y(edge_neighbours(index(k),c(2))) y(edge_neighbours(edge_neighbours(index(k),c(2)),c(1)))],ticklength*tick_ratio(c(3)),'linear','extrap');
xg_line_start = interp1(lim,[x(index(k)) x(edge_neighbours(index(k),c(2)))],tick);
yg_line_start = interp1(lim,[y(index(k)) y(edge_neighbours(index(k),c(2)))],tick);
xg_line_end = interp1(lim,[x_tick_end1 x_tick_end2],tick);
yg_line_end = interp1(lim,[y_tick_end1 y_tick_end2],tick);
for i = valid_ticks
line2svg(fid,grouplabel,axpos,[xg_line_start(i) xg_line_end(i)],[yg_line_start(i) yg_line_end(i)],scolorname,'-',linewidth)
end
if drawBorder
line2svg(fid,grouplabel,axpos,[x(index(k)) x(edge_neighbours(index(k),c(2)))],[y(index(k)) y(edge_neighbours(index(k),c(2)))],scolorname,'-',linewidth)
end
end
function gridLines(fid, grouplabel, axpos, x, y, scolorname, gridlinestyle, linewidth, axlim, axtick, axindex_inner, corners, c)
xg_line_start = interp1([axlim(1) axlim(2)],[x(corners(c(1))) x(corners(c(2)))], axtick);
yg_line_start = interp1([axlim(1) axlim(2)],[y(corners(c(1))) y(corners(c(2)))], axtick);
xg_line_end = interp1([axlim(1) axlim(2)],[x(corners(c(3))) x(corners(c(4)))], axtick);
yg_line_end = interp1([axlim(1) axlim(2)],[y(corners(c(3))) y(corners(c(4)))], axtick);
for i = axindex_inner
line2svg(fid, grouplabel, axpos, [xg_line_start(i) xg_line_end(i)],[yg_line_start(i) yg_line_end(i)], scolorname, gridlinestyle, linewidth)
end
function minorGridLines(fid, grouplabel, axpos, x, y, scolorname, minor_gridlinestyle, linewidth, axlim, minor_axtick, corners, c)
xg_line_start = interp1([axlim(1) axlim(2)],[x(corners(c(1))) x(corners(c(2)))], minor_axtick);
yg_line_start = interp1([axlim(1) axlim(2)],[y(corners(c(1))) y(corners(c(2)))], minor_axtick);
xg_line_end = interp1([axlim(1) axlim(2)],[x(corners(c(3))) x(corners(c(4)))], minor_axtick);
yg_line_end = interp1([axlim(1) axlim(2)],[y(corners(c(3))) y(corners(c(4)))], minor_axtick);
for i = 1:length(xg_line_start)
line2svg(fid, grouplabel, axpos, [xg_line_start(i) xg_line_end(i)],[yg_line_start(i) yg_line_end(i)], scolorname, minor_gridlinestyle, linewidth)
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% SUBFUNCTIONS %%%%%
% Create axis frame and insert all children of this axis frame
function group=axes2svg(fid,id,ax,group,paperpos)
global colorname
global PLOT2SVG_globals
originalAxesUnits=get(ax,'Units');
set(ax,'Units','normalized');
axpos=get(ax,'Position');
faces = [1 2 4 3; 2 4 8 6; 3 4 8 7; 1 2 6 5; 1 5 7 3; 5 6 8 7];
% x-y ; y-z ; x-z ; y-z ; x-z ; x-y
corners(:,:,1) = [1 1 2 3 4; 2 1 3 2 4];
corners(:,:,2) = [2 2 4 6 8; 3 2 6 4 8];
corners(:,:,3) = [1 3 4 7 8; 3 3 7 4 8];
corners(:,:,4) = [1 1 2 5 6; 3 1 5 2 6];
corners(:,:,5) = [2 1 3 5 7; 3 1 5 3 7];
corners(:,:,6) = [1 5 6 7 8; 2 5 7 6 8];
edge_neighbours = [2 3 5; 1 4 6; 4 1 7; 3 2 8; 6 7 1; 5 8 2; 8 5 3; 7 6 4];
edge_opposite = [8 7 6 5 4 3 2 1];
nomx = [0 1 0 1 0 1 0 1];
nomy = [0 0 1 1 0 0 1 1];
nomz = [0 0 0 0 1 1 1 1];
[projection,edges] = get_projection(ax,id);
x = (edges(1,:)*axpos(3)+axpos(1))*paperpos(3);
y = (1-(edges(2,:)*axpos(4)+axpos(2)))*paperpos(4);
% Depth Sort of view box edges
[edge_z,edge_index]=sort(edges(3,:));
most_back_edge_index = edge_index(1);
% Back faces are plot box faces that are behind the plot (as seen by the
% view point)
back_faces = find(any(faces == most_back_edge_index,2));
front_faces = find(all(faces ~= most_back_edge_index,2));
groupax=group;
axlimx=get(ax,'XLim');
axlimy=get(ax,'YLim');
axlimz=get(ax,'ZLim');
axlimxori=axlimx;
axlimyori=axlimy;
axlimzori=axlimz;
if strcmp(get(ax,'XScale'),'log')
axlimx=log10(axlimx);
axlimx(find(isinf(axlimx)))=0;
end
if strcmp(get(ax,'YScale'),'log')
axlimy=log10(axlimy);
axlimy(find(isinf(axlimy)))=0;
end
if strcmp(get(ax,'ZScale'),'log')
axlimz=log10(axlimz);
axlimz(find(isinf(axlimz)))=0;
end
if strcmp(get(ax,'XDir'),'reverse')
axlimx = fliplr(axlimx);
end
if strcmp(get(ax,'YDir'),'reverse')
axlimy = fliplr(axlimy);
end
if strcmp(get(ax,'ZDir'),'reverse')
axlimz = fliplr(axlimz);
end
axlimori = [axlimxori(1) axlimyori(1) axlimzori(1) axlimxori(2)-axlimxori(1) axlimyori(2)-axlimyori(1) axlimzori(2)-axlimzori(1)];
fprintf(fid,' <g id ="%s">\n', createId);
axIdString = createId;
boundingBoxAxes = [min(x) min(y) max(x)-min(x) max(y)-min(y)];
fprintf(fid,' <clipPath id="%s">\n',axIdString);
fprintf(fid,' <rect x="%0.3f" y="%0.3f" width="%0.3f" height="%0.3f"/>\n',...
boundingBoxAxes(1), boundingBoxAxes(2), boundingBoxAxes(3), boundingBoxAxes(4));
fprintf(fid,' </clipPath>\n');
if strcmp(get(ax,'Visible'),'on')
group=group+1;
grouplabel=group;
axxtick=get(ax,'XTick');
axytick=get(ax,'YTick');
axztick=get(ax,'ZTick');
axlabelx=get(ax,'XTickLabel');
axlabely=get(ax,'YTickLabel');
axlabelz=get(ax,'ZTickLabel');
% Workaround for Octave
if PLOT2SVG_globals.octave
if isempty(axlabelx)
if strcmp(get(ax,'XScale'),'log')
axlabelx = num2str(log10(axxtick)');
else
axlabelx = num2str(axxtick');
end
end
if isempty(axlabely)
if strcmp(get(ax,'YScale'),'log')
axlabely = num2str(log10(axytick)');
else
axlabely = num2str(axytick');
end
end
if isempty(axlabelz)
if strcmp(get(ax,'ZScale'),'log')
axlabelz = num2str(log10(axztick)');
else
axlabelz = num2str(axztick');
end
end
if projection.xyplane
axlabelz = [];
end
end
gridlinestyle=get(ax,'GridLineStyle');
minor_gridlinestyle=get(ax,'MinorGridLineStyle');
try % Octave does not have 'TickLength' yet. --Jakob Malm
both_ticklength = get(ax,'TickLength');
catch
both_ticklength = [ 0.01 0.025 ];
end
gridBehind = true; % Default setting
try
if strcmp(get(ax, 'Layer'), 'top') && projection.xyplane
gridBehind = false;
end
catch
gridBehind = true;
end
if projection.xyplane
ticklength = both_ticklength(1);
xy_ratio = axpos(3)*paperpos(3)/ (axpos(4)*paperpos(4));
if xy_ratio < 1
tick_ratio = [1 1/xy_ratio 1];
else
tick_ratio = [xy_ratio 1 1];
end
if strcmp(get(ax,'TickDir'),'out')
label_distance = -(0.02 + ticklength);
else
label_distance = -0.02;
end
else
ticklength = both_ticklength(2);
label_distance = -2*abs(ticklength);
tick_ratio = [1 1 1];
end
linewidth = get(ax,'LineWidth');
axxindex=find((axxtick >= axlimori(1)) & (axxtick <= (axlimori(1)+axlimori(4))));
axyindex=find((axytick >= axlimori(2)) & (axytick <= (axlimori(2)+axlimori(5))));
axzindex=find((axztick >= axlimori(3)) & (axztick <= (axlimori(3)+axlimori(6))));
% remove sticks outside of the axes (-1 of legends)
axxtick=axxtick(axxindex);
axytick=axytick(axyindex);
axztick=axztick(axzindex);
if length(axxtick) > 1
minor_lin_sticks = (0.2:0.2:0.8)*(axxtick(2)-axxtick(1));
minor_axxtick = [];
for stick = [2*axxtick(1)-axxtick(2) axxtick]
minor_axxtick = [minor_axxtick minor_lin_sticks + stick];
end
minor_axxtick = minor_axxtick(find(minor_axxtick > min(axlimx) & minor_axxtick < max(axlimx)));
else
minor_axxtick = [];
end
if length(axytick) > 1
minor_lin_sticks = (0.2:0.2:0.8)*(axytick(2)-axytick(1));
minor_axytick = [];
for stick = [2*axytick(1)-axytick(2) axytick]
minor_axytick = [minor_axytick minor_lin_sticks + stick];
end
minor_axytick = minor_axytick(find(minor_axytick > min(axlimy) & minor_axytick < max(axlimy)));
else
minor_axytick = [];
end
if length(axztick) > 1
minor_lin_sticks = (0.2:0.2:0.8)*(axztick(2)-axztick(1));
minor_axztick = [];
for stick = [2*axztick(1)-axztick(2) axztick]
minor_axztick = [minor_axztick minor_lin_sticks + stick];
end
minor_axztick = minor_axztick(find(minor_axztick > min(axlimz) & minor_axztick < max(axlimz)));
else
minor_axztick = [];
end
if strcmp(get(ax,'Box'),'on')
axxindex_inner = find((axxtick > axlimori(1)) & (axxtick < (axlimori(1)+axlimori(4))));
axyindex_inner = find((axytick > axlimori(2)) & (axytick < (axlimori(2)+axlimori(5))));
axzindex_inner = find((axztick > axlimori(3)) & (axztick < (axlimori(3)+axlimori(6))));
else
axxindex_inner = find((axxtick >= axlimori(1)) & (axxtick <= (axlimori(1)+axlimori(4))));
axyindex_inner = find((axytick >= axlimori(2)) & (axytick <= (axlimori(2)+axlimori(5))));
axzindex_inner = find((axztick >= axlimori(3)) & (axztick <= (axlimori(3)+axlimori(6))));
end
minor_log_sticks = log10(0.2:0.1:0.9);
if strcmp(get(ax,'TickDir'),'out')
ticklength=-ticklength;
valid_xsticks = 1:length(axxindex);
valid_ysticks = 1:length(axyindex);
valid_zsticks = 1:length(axzindex);
else
valid_xsticks = axxindex_inner;
valid_ysticks = axyindex_inner;
valid_zsticks = axzindex_inner;
end
if strcmp(get(ax,'XScale'),'log')
axxtick = log10(get(ax,'XTick'));
minor_axxtick = [];
if ~isempty(axxtick)
all_axxtick = axxtick(1):1:axxtick(end);
for stick = all_axxtick
minor_axxtick = [minor_axxtick minor_log_sticks + stick];
end
end
minor_axxtick = minor_axxtick(find(minor_axxtick > min(axlimx) & minor_axxtick < max(axlimx)));
end
if strcmp(get(ax,'YScale'),'log')
axytick=log10(get(ax,'YTick'));
minor_axytick = [];
if ~isempty(axytick)
all_axytick = axytick(1):1:axytick(end);
for stick = all_axytick
minor_axytick = [minor_axytick minor_log_sticks + stick];
end
end
minor_axytick = minor_axytick(find(minor_axytick > min(axlimy) & minor_axytick < max(axlimy)));
end
if strcmp(get(ax,'ZScale'),'log')
axztick=log10(get(ax,'ZTick'));
minor_axztick = [];
if ~isempty(axztick)
all_axztick = axztick(1):1:axztick(end);
for stick = all_axztick
minor_axztick = [minor_axztick minor_log_sticks + stick];
end
end
minor_axztick = minor_axztick(find(minor_axztick > min(axlimz) & minor_axztick < max(axlimz)));
end
% Draw back faces
linewidth=get(ax,'LineWidth');
if ~strcmp(get(ax,'Color'),'none')
background_color = searchcolor(id,get(ax,'Color'));
background_opacity = 1;
else
background_color = '#000000';
background_opacity = 0;
end
for p=1:size(back_faces)
patch2svg(fid, group, axpos, x(faces(back_faces(p),:)), y(faces(back_faces(p),:)), background_color, '-', linewidth, 'none', background_opacity, 1.0, true)
end
for pindex = 1:size(back_faces)
p = back_faces(pindex);
for k = 1:size(corners,1)
selectedCorners = squeeze(corners(k,:,p));
switch corners(k,1,p)
case 1 % x
% Draw x-grid
scolorname = searchcolor(id,get(ax,'XColor'));
if strcmp(get(ax,'XGrid'),'on') && gridBehind
if axlimx(1)~=axlimx(2)
gridLines(fid, grouplabel, axpos, x, y, scolorname, gridlinestyle, linewidth, axlimx, axxtick, axxindex_inner, selectedCorners, [2 3 4 5])
if strcmp(get(ax,'XTickMode'),'auto') && strcmp(get(ax,'XMinorGrid'),'on') && ~isempty(minor_axxtick)
minorGridLines(fid, grouplabel, axpos, x, y, scolorname, minor_gridlinestyle, linewidth, axlimx, minor_axxtick, selectedCorners, [2 3 4 5])
end
end
end