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Text of the page (random words):
cument to see the result of changes inkscape edit there is a simple work around for the scarcities of librsvg the operation stroke to path to be found under menu path in inkscape or via ctrl alt c can be applied to all of the objects that are not rendered correctly to keep the svgs editable this should only be done to the files intended for upload and these files can be deleted afterwards as of february 2014 the objects that must be modified to render correctly by librsvg include lines with arrow heads the arrows need to be converted text that has been transformed e g text on path compound objects created with the binary path tools union intersect etc openoffice org edit openoffice org svg files may require manual modification before being uploaded to wikipedia to achieve this change all fonts to wikipedia supported fonts as mentioned before e g change sans embedded to dejavu sans add px to all font size references e g change font size 100 to font size 100px remove all additional x coordinate references in tspan elements e g change tspan x 17583 17917 y 10943 to tspan x 17583 y 10943 not required for oo 2 3 0 explicitly colour all text e g black by replacing relevant stroke none fill none instances with stroke none fill rgb 0 0 0 note that simply explicitly colouring text black in openoffice 3 2 1 does not appear to work nb vector graphics line widths may also need to be set explicitly in openoffice org draw svg code replacement guide executing replace all using nedit regular expressions edit original text replacement text sans embedded dejavu sans tspan x 0 9 0 9 tspan x 1 this svg export procedure has been tested using oo 2 3 0 and oo 3 2 1 with a simple odg candidate microsoft powerpoint edit it is easiest to save entire slides from powerpoint as svg rather than saving multiselected objects with right click save as picture because for entire slides the boundaries will be cropped to the size of the slide and the background will be set to white to save slides as svg use file save as browse save as type svg if your slide has text open the exported svg into notepad and replace all the existing font family specifications with font family liberation sans sans serif this specification will make wikimedia render svg fonts similarly to how browsers render wikipedia fonts text can also get chopped up on export which causes rendering and localization bugs to fix this search for all text tags and make sure the tag isn t embedded in another text tag that s on the same line of text most embedded text tags can simply be deleted however but if content needs to be subscripted or subscripted then replace the text tag with a tspan specifiction for subscripts use tspan font size smaller baseline shift sub for superscripts use tspan font size smaller baseline shift super microsoft visio edit generating svg charts from spreadsheet programs such as microsoft excel edit general concept above examples below warming stripes warming stripes bar chart waffle chart bar chart pie chart variable width bar chart line charts scatterplot radar chart i ve uploaded spreadsheets that automatically generate xml code for charts in svg format summary you simply paste or enter your data into the spreadsheet and specify image dimensions number of grid lines data ranges font sizes etc the spreadsheets instantly and automatically generate a column of xml code you simply copy and paste that code into a text editor and save as an svg file the spreadsheets produce lean svg code and should save you time in creating svg charts though my original spreadsheets are written in microsoft excel i ve received reports that they also work if read into other spreadsheet programs feedback and suggestions on my talk page are welcome rcraig09 talk 23 41 19 february 2021 utc reply click how to for detailed explanation click here else here to download the spreadsheets click here to see an example of how the spreadsheets work internally example svg files category svg graphics created with spreadsheet warming stripes accepts a single dataset and converts to svg code portraying ed hawkins warming stripes graphics user chooses vertical or horizontal stripes normal or reverse data ordering or from a variety of geometric shapes updated 17 may 2023 click here to see examples of warming stripes embedded in different shapes warming stripes bar chart accepts a single dataset and creates a conventional bar chart whose individual bars columns are coloured according to dr hawkins warming stripes colour scheme alternate option choose one colour for ascending bars and another colour for descending bars updated 28 august 2023 line charts accepts up to six datasets updated 14 september 2026 vertical bar charts column charts accepts up to six datasets toggle between clustered and stacked charts user can adjust yfloor the y level usually 0 from which columns rise or fall user chooses to keep or ignore negative input values updated 14 september 2026 horizontal bar charts accepts up to six datasets toggle between clustered and stacked charts user can adjust yfloor the value usually 0 from which bars extend user chooses to keep or ignore negative input values updated 14 may 2026 scatter plots accepts up to five datasets updated 28 august 2023 pie charts accepts a single dataset of up to 36 items updated 28 december 2025 variable width bar charts accepts up to six datasets is like vertical bar charts above but user can choose different widths for different bars updated 27 august 2023 radar charts accepts up to six datasets updated 6 may 2025 waffle charts dot matrix charts creates up to 32x32 array of squares rounded corner squares circles or stars each filled with one of up to 26 user chosen colors and optional textual labels for each box updated 17 june 2026 text guidance edit use text over paths edit converting text in an svg file into paths shapes increases file size prevents localization accessibility features and complicates edits modifications down the line it is therefore generally disfavored with some exceptions such as text based logos the wikimedia text renderer can introduce bugs as its fonts may differ from browser fonts or svg editor fonts but following the guidance below should minimize these errors font family property edit note font fallback was not working it is now see discussion with tests to show the current situation tracked in phabricator task t180923 fallback fonts due to copyright restrictions mediawiki cannot use proprietary fonts that are commonly found on several proprietary operating systems fonts such as geneva require licensing fees to distribute rsvg will not be able to locate such fonts and the text will fail to appear in the rendered image there are three solutions to this issue one can substitute a font that is available on wikipedia this approach facilitates editability one can specify a generic font family such as sans serif serif or monospace but this can lead to inconsistent rendering it is better to specify a font available on wikipedia such as liberation sans with fallback fonts such as font family liberation sans arial helvetica sans serif in which you define a font list with similar fonts that at least contain one font for each operating system such as wikimedia e g liberation sans windows e g arial linux e g liberation sans mac e g helvetica since local rendering should be as close as possible to wikipedia it should use locally the same font as it will have on wikipedia if available therefore always define a wikimedia font first also wikimedia has synonyms for substituting fonts such as arial for liberation sans therefore font family arial dejavu sans will be rendered by liberation sans and not as expected by dejavu sans this is because liberation sans has the same letter size as arial metric compatible so it is less likely to mess up the text flow group the text create a copy and convert the copy to paths then either move the original editable non path text into a separate editable text layer that you make transparent warning this might be removed by svg optimizers or move the original editable non path text outside the visible area example file essigsäuresynthesen svg for ease of subsequent editing and significantly smaller file sizes substituting the font with an available font is recommended many common fonts have non proprietary alternatives that are similar in typographical style resulting in minimal disruption to existing images during substitution for a list of fonts available in wikipedia see available fonts on meta wikimedia has default fonts and will use liberation serif for times new roman and liberation sans for arial for further fallbacks see c help svg fallback fonts that are available on wikimedia servers may or may not be available on a visitor s machine if the placement or appearance of text in the image is important and there is uncertainty about which fonts are installed on a visitor s machine then converting text into path information may be necessary font size property edit rendering anomalies may occur in thumbnail views if small font sizes are used declaring font size 35 or larger appears to avoid this problem depending on the pixel size of your graphic fonts should be sized so that they look good as thumbnails on wikipedia pages and so they are easy to view on smartphones smartphones are how most people access wikipedia thumbnails are how most other people see images as very few people click images and zoom them in to see them avoid using or creating images with fonts that are too small to be legible in thumbnail or smartphone views the font size that appears in a thumbnail is a combination of svg width thumbnail width and font size to match wikipedia font size as a thumbnail use font size 63 your upright value your svg width 1000 for instance if the thumbnail will be scaled up to thumb upright 1 35 and your image has svg width of 960 set font size in the svg to 63 1 35 960 1000 44 8 background colors edit transparent backgrounds are fine but do not think your image will always be displayed on a light or white background the wikipedia smartphone app for instance renders images on a black background so if you show black text on a transparent background it will be invisible testing for problems edit the following svg checkers may help you to detect svg problems before you upload wmf labs svg check commons svg checker w3 org validator none of these checkers are foolproof so it s wise to validate images you can preliminarily validate images by uploading them to the shared temporary use location test svg though other users may overwrite your image at any time to force refresh images in your browser use ctrl f5 shift reload on mac so that you see the latest upload and not cached image copies this is necessary even on wikimedia upload pages rendering svg files edit on wikipedia svgs are interpreted by the librsvg library to create png previews at different image sizes to rasterize them that library only recognizes a subset of all valid svg syntax and may render your svg without many features in order to bypass these deficiencies in the library there are certain parameters that need to be formatted in specific ways or be assigned a workaround value in order for librsvg to accurately render views of your svg file some issues are enumerated below but be sure to test your svg files before and after uploading them mask parameter maskunits userspaceonuse edit the librsvg library does not interpret the value of userspaceonuse for the parameter maskunits correctly to bypass this issue replace maskunits userspaceonuse with maskunits 10 10 120 120 and the svg mask will render properly on wikipedia parameter stroke dasharray edit the librsvg library does not accept a stroke dasharray parameter with values separated by spaces replace all spaces with commas to bypass this issue example replace stroke dasharray 2 3 2 4 with stroke dasharray 2 3 2 4 use href alone not xlink href in use ___ statements edit xlink href was deprecated and replaced by href in svg 2 released in 2018 between 2023 and 2024 wikimedia s svg renderer has been updated to follow suit so xlink href no longer works instead href should now be used css selectors or identifiers must start with a letter or hyphen edit http w3 org tr css syntax 3 states property names and at rule names are always identifiers which have to start with a letter or a hyphen common problems edit misaligned text edit tracked in phabricator task t97233 the latest thumbnail image maker named rsvg unfortunately has a bug which misaligns centre or right aligned text tags containing tspan tags on the same line svg with assorted workarounds for t97233 while developers work on a solution here are some remedies in decreasing usefulness left align affected text tags with text anchor start specify either the y or dy attribute for affected tspan tags if using multiple tspan tags on a line for word and character spacing use 160 non breaking space 8201 thin space and or 8202 hair space characters the letter spacing attribute a monospaced font such as liberation mono last resort subscripts or superscripts use unicode subscripts and superscripts bolding or italicizing variables etc in mathematics use unicode mathematical alphanumeric symbols merge affected tspan tags even unitalicising variables etc if above methods fail convert text into shapes last resort as the text can no longer be amended copied or read by screen readers flowroot does not appear edit a picture containing svg1 2 valid flowroot tracked in phabricator task t43424 declined if a black box appears read c user jokalliauer repairflowroot how to solve this issue but do not remove those objects since they might contain text the workarounds that one can employ are either not to use flowed text by using the text tool without creating a text field or convert the text to normal text by text editor or sed command or with inkscape gui or with a inkscape batch but to stroke the text using object to path since path text is not recommended and increases file size missing embedded jpeg images edit tracked in phabricator task t193929 invalid normal image broken image when a raster graphic is embedded in an svg it is encoded into base64 data that data is then assigned a mime type in the image element in the case of an embedded jpeg the mime type is image jpeg older versions of inkscape and possibly other editors assigned the mime type image jpg while inkscape and most web browsers will display such an svg image just fine the mediawiki software that rasterizes the svg file will have trouble with it not recognizing the mime type image jpg there will simply be an empty space where the image is supposed to be the fix is to open the svg file in a text editor find the image element locate image jpg change it to image jpeg and re save at right is an example of this problem the commons svg checker looks for this problem see commons commons commons svg checker knownbugs checks fo...