SVG Interpreter

Rendered Elements

Elements rendered by the SVG Interpreter are listed below.

Element Modules
Interpreted Elements
Module Attributes
Interpreted Attributes

Element Modules

In the tables below, elements that are not rendered by the SVG Interpreter are displayed in italic style.

Animation.Module	animate animateColor animateTransform animateMotion set mpath
Clip Module	clipPath
Color Profile Module	color-profile
Conditional Processing Module	switch
Cursor Module	cursor
Extensibility Module	foreignObject
Filter Module	filter feFlood feColorMatrix feComponentTransfer feComposite feConvolveMatrix feDiffuseLighting feDisplacementMap feFlood feGaussianBlur feImage feMerge feMergeNode feMorphology feOffset feSpecularLighting feTile feTurbulence feDistantLight fePointLight feSpotLight feFuncR feFuncG feFuncB feFuncA
Font.Module	font font-face glyph missing-glyph hkern vkern font-face-src font-face-uri font-face-format font-face-name definition-src
Gradient Module	linearGradient radialGradient stop
Hyperlink.Module	a
Image Module	image
Marker Module	marker
Mask Module	mask
Pattern Module	pattern
Script Module	script
Shape Module	path rect circle line polyline polygon ellipse
Structure Module	svg g defs desc title metadata symbol use
Style Module	style
Text Module	text tspan tref textPath altGlyph altGlyphDef altGlyphItem glyphRef
View Module	view

The following modules are parsed and processed by the SVG Interpreter:

Hyperlink module lets you associate links to primitives.
Image module defines how raster images shall be drawn.
Marker module lets you add markers at the beginning, in the middle or at the end of a drawing.
Pattern module lets you fill or stroke shapes using a pre-defined graphic object. This predefined graphic object can be defined with vectorial shapes or a bitmap image.
Shape module groups together the drawing of graphics primitives.
Text module defines how text elements shall be drawn.

Interpreted Elements

Elements interpreted by the SVG Interpreter are listed below.

Hyperlink Module

Elements	Attributes	Description
a	Core.attrib, Conditional.attrib, Style.attrib, transform, target, GraphicalEvents.attrib, Presentation.attrib, External.attrib, XLinkReplace.attrib	Associates a group of primitives to link attributes (local or non-local URI). This link is not active during the visualization process but it is saved whenever a conversion to CGM is made.

Image Module

Elements	Attributes	Description
image	Core.attrib, XLinkEmbed.attrib, Conditional.attrib, Style.attrib, External.attrib, GraphicalEvents.attrib, preserveAspectRatio, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, Profile.attrib, Viewport.attrib, transform, x, y, width, height	Describes a vector or bitmap image that is defined via a link to an external file (relative or absolute path) or via a base64 encoding (in that case, the formats that can be read are: BMP, JPEG, TIFF or PNG). Links to external bitmap images are supported but not links to vector images.

Marker Module

Elements	Attributes	Description
marker	Core.attrib, External.attrib, Style.attrib, Presentation.attrib, viewBox, preserveAspectRatio, refX, refY, markerUnits, markerWidth, markerHeight, orient	Defines a group of primitives to be re-used as markers via the marker attribute. The markerUnits attribute is not taken into account, it is considered as being equal to userSpaceOnUse. The orient attribute is not taken into account and the marker is not oriented according to the path segment. It is always applied without any orientation.

Pattern Module

Elements	Attributes	Description
pattern	Core.attrib, XLink.attrib, Conditional.attrib , External.attrib, Style.attrib, Presentation.attrib, viewBox, preserveAspectRatio, patternTransform, x, y, width, height, patternUnits	Defines a group of primitives to be re-used for filling or stroking shapes. The patternUnits attribute is not taken into account, it is considered as being equal to userSpaceOnUse. The only interpreted pattern is pattern defined with a bitmap image. Patterns defined with a set of vectorial elements are not recognized. Therefore, the child of the pattern element should be of type <image>. This enables to read Drafting documents with a fill texture.

Shape Module

Elements	Attributes	Description
path	Core.attrib, Conditional.attrib, External.attrib, Style.attrib, transform, d, pathLength, GraphicalEvents.attrib, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, Marker.attrib	Defines the outline of a shape. It is made of circular or elliptical arcs, lines, cubic poly-Béziers and quadratic poly-Béziers. This outline can be closed or open.
rect	Core.attrib, Conditional.attrib, Style.attrib, GraphicalEvents.attrib, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, x, y, width, height, rx, ry, transform	Defines a rectangle. Rounded corners are not interpreted.
circle	Core.attrib, Conditional.attrib, Style.attrib, GraphicalEvents.attrib, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, cx, cy, r, transform	Defines a circle.
line	Core.attrib, Conditional.attrib, Style.attrib, GraphicalEvents.attrib, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, x1, y1, x2, y2, transform	Defines a line.
ellipse	Core.attrib, Conditional.attrib, Style.attrib, GraphicalEvents.attrib, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, cx, cy, rx, ry, transform	Defines an ellipse.
polyline	Core.attrib, Conditional.attrib, Style.attrib, GraphicalEvents.attrib, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, points, transform	Defines a polyline. If the polyline is in open mode, only the outline is drawn, the polyline is not filled.
polygon	Core.attrib, Conditional.attrib, Style.attrib, GraphicalEvents.attrib, Paint.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, points, transform	Defines a polygon.

Structure Module

Elements	Attributes	Description
svg	Core.attrib, Conditional.attrib, Style.attrib, x, y, width, height, viewBox, preserveAspectRatio, zoomAndPan, version, baseProfile, contentScriptType, contentStyleType, External.attrib, Presentation.attrib, GraphicalEvents.attrib, DocumentEvents.attrib	Groups an SVG image.
g	Core.attrib, Conditional.attrib, Style.attrib, External.attrib, Presentation.attrib, GraphicalEvents.attrib, transform	Groups together one or many elements sharing the same attributes.
defs	Core.attrib, Conditional.attrib, Style.attrib, External.attrib, Presentation.attrib, GraphicalEvents.attrib, transform	Defines groups of elements that will be re-used. Its children are thus reference elements.
desc	Core.attrib, Style.attrib	Describes the element.
title	Core.attrib, Style.attrib	Indicates the title of the element.
symbol	Core.attrib, Style.attrib, External.attrib, viewBox, preserveAspectRatio, Presentation.attrib, GraphicsElementEventAttrs	Defines a group of elements that will be re-used.
use	Core.attrib, Style.attrib, Conditional.attrib, transform, x, y, width, height, XLinkEmbed.attrib, Presentation.attrib, GraphicsElementEventAttrs	References a predefined group of elements in order to display it.

Text Module

Elements	Attributes	Content Model
text	Core.attrib, Conditional.attrib, External.attrib, Style.attrib, transform, x, y, dx, dy, rotate, textLength, lengthAdjust, GraphicalEvents.attrib, Paint.attrib, Font.attrib, Opacity.attrib, Graphics.attrib, Cursor.attrib, Filter.attrib, Mask.attrib, GraphicalEvents.attrib, Clip.attrib, TextContent.attrib, Text.attrib	Defines a text. The text color is the one defined by the stroke color, and if the stroke color is not explicitly defined then the fill color is used.

Module Attributes

Module attributes are listed below.

Animation Attribute Sets

Collection Name	Attributes in Collection
Animation.attrib	XLink.attrib
AnimationAttribute.attrib	attributeName, attributeType
AnimationTiming.attrib	begin, dur, end, min, max, restart, repeatCount, repeatDur, fill
AnimationValue.attrib	calcMode, values, keyTimes, keySplines, from, to, by
AnimationAddtion.attrib	additive, accumulate

Animation Events Attribute Module

Collection Name	Attributes in Collection
AnimationEvents.attrib	onbegin, onend, onrepeat, onload

Clip Attribute Set

Collection Name	Attributes in Collection
Clip.attrib	clip-path, clip-rule

Conditional Processing Attribute Set

Collection Name	Attributes in Collection
Conditional.attrib	requiredFeatures, requiredExtensions, systemLanguage

Container Attribute Module

Collection Name	Attributes in Collection
Container.attrib	enable-background

Core Attribute Module

Collection Name	Attributes in Collection
Core.attrib	id, xml:base, xml:lang, xml:space

Cursor Attribute Set

Collection Name	Attributes in Collection
Cursor.attrib	cursor

Document Events Attribute Module

Collection Name	Attributes in Collection
DocumentEvents.attrib	onunload, onabort, onerror, onresize, onscroll, onzoom

ExternalResourcesRequired Attribute Module

Collection Name	Attributes in Collection
External.attrib	externalResourcesRequired

Gradient Attribute Set

Collection Name	Attributes in Collection
Gradient.attrib	stop-color, stop-opacity

Graphical Element Events Attribute Module

Collection Name	Attributes in Collection
GraphicalEvents.attrib	onfocusin, onfocusout, onactivate, onclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onload

Graphics Attribute Module

Collection Name	Attributes in Collection
Graphics.attrib	display, image-rendering, pointer-events, shape-rendering, text-rendering, visibility

Filter Attribute Sets

Collection Name	Attributes in Collection
Filter.attrib	filter
FilterColor.attrib	color-interpolation-filters
FilterPrimitive.attrib	x, y, width, height, result
FilterPrimitiveWithIn.attrib	FilterPrimitive.attrib, in

Marker Attribute Set

Collection Name	Attributes in Collection
Marker.attrib	marker-start, marker-mid, marker-end

Mask Attribute Set

Collection Name	Attributes in Collection
Mask.attrib	mask

Opacity Attribute Module

Collection Name	Attributes in Collection
Opacity.attrib	opacity, stroke-opacity, fill-opacity

Paint Attribute Module

Collection Name	Attributes in Collection
Paint.attrib	color, fill, fill-rule, stroke, stroke-dasharray, stroke-dashoffset, stroke-linecap, stroke-linejoin, stroke-miterlimit, stroke-width, color-interpolation, color-rendering

Style Attribute Set

Collection Name	Attributes in Collection
Style.attrib	style, class

Text Attribute Sets

Collection Name	Attributes in Collection
Text.attrib	writing-mode
TextContent.attrib	alignment-baseline, baseline-shift, direction, dominant-baseline, glyph-orientation-horizontal, glyph-orientation-vertical, kerning, letter-spacing, text-anchor, text-decoration, unicode-bidi, word-spacing
Font.attrib	font-family, font-size, font-size-adjust, font-stretch, font-style, font-variant, font-weight

Viewport Attribute Module

Collection Name	Attributes in Collection
Viewport.attrib	clip, overflow

XLink Attribute Module

Collection Name	Attributes in Collection
XLink.attrib	xlink:type, xlink:href, xlink:role, xlink:arcrole, xlink:title, xlink:show, xlink:actuate
XLinkRequired.attrib	xlink:type, xlink:href, xlink:role, xlink:arcrole, xlink:title, xlink:show, xlink:actuate
XLinkEmbed.attrib	xlink:type, xlink:href, xlink:role, xlink:arcrole, xlink:title, xlink:show, xlink:actuate
XLinkReplace.attrib	xlink:type, xlink:href, xlink:role, xlink:arcrole, xlink:title, xlink:show, xlink:actuate

Interpreted Attributes

Interpreted attributes are listed below.

Core Attribute Module

Collection Name	Attributes in Collection
id	Identifier of the graphics primitive.

Graphics Attribute Module

Collection Name	Attributes in Collection
display	Displays or hides the graphics primitive. Only the value "none" is interpreted.

Marker Attribute Set

Collection Name	Attributes in Collection
marker-start	Draws a marker at the first point of the primitive.
marker-mid	Draws a marker at every other point (i.e. except the first and last) of the primitive.
marker-end	Draws a marker at the last point of the primitive.

Opacity Attribute Module

Collection Name	Attributes in Collection
opacity	Defines the transparency of the primitive. Only formats enabling to save as a raster image can manage transparency. Therefore transparency is not displayed. Moreover, even when saving as a raster image, transparency does not support nesting.
stroke-opacity	Defines the transparency of the primitive's outline. Only formats enabling to save as a raster image can manage transparency. Therefore transparency is not displayed. Moreover, even when saving as a raster image, transparency does not support embedding.
fill-opacity	Defines the transparency of the primitive's fill. Only formats enabling to save as a raster image can manage transparency. Therefore transparency is not displayed. Moreover, even when saving as a raster image, transparency does not support embedding.

Paint Attribute Module

Collection Name	Attributes in Collection
color	Defines the color. The <color> type is compliant with CSS2 specification for a color defined in sRGB space. This attribute supports several syntaxes defined in [CSS2-color-types] (browse the w3c.org Internet site for detailed information), as well as a list of keywords, each keyword being associated to a color. Supported syntaxes for numerical color specifications are #rgb, or #rrggbb, or rgb(R, G, B), or rgb(R%, G%, B%). Below are examples with different syntaxes that all specify the same color: `EM { color: #f00 } /* #rgb /` `EM { color: #ff0000 } / #rrggbb /` `EM { color: rgb(255,0,0) } / integer range 0 - 255 /` `EM { color: rgb(100%, 0%, 0%) } / float range 0.0% - 100.0% */`
fill	Defines the fill type. The value "none', "current-color" or a color are supported. Gradients are not supported.
fill-rule	Defines the algorithm to be used when filling a polygon. The only supported algorithm is "nonzero". The "evenodd" algorithm is not supported.
stroke	Defines how the element is to be stroked. The value "none", "current-color" or a color are supported. Patterns and gradients are not supported.
stroke-dasharray	Defines the pattern to be applied to get a dotted line.
stroke-linecap	Defines the shape to be used at the end of the outline when it is stroked: round, square, etc. Saving in vector format includes this attribute. However, its display and its save in raster format are not supported.
stroke-linejoin	Defines the shape to be used when corners of a polyline are stroked: round, miter, etc. Saving in vector format includes this attribute. However, its display and its save in raster format are not supported.
stroke-width	Defines the stroke width. Saving in vector format includes this attribute. However, very thick strokes can be painted using a thin width.

Style Attribute Set

Collection Name	Attributes in Collection
style	Groups all the attributes together.

Text Attribute Sets

Collection Name	Attributes in Collection
letter-spacing	Defines the spacing to be used between each character. The display of TrueType fonts does not support this attribute and thus, a great number of generators (discretization).
text-anchor	Defines the alignment of a text.
font-family	Defines the font family name. Only fonts supported are interpreted correctly, otherwise the default font is used. More About the font-family Attribute
font-size	Defines the text height. The height must be defined as a length or percentage.
font-weight	Defines whether the text is to be rendered using a bold or normal style. The display of TrueType fonts does not support this attribute and thus, a great number of generators (discretization) as well.

XLink Attribute Module

Collection Name	Attributes in Collection
xlink:href	Defines links. This attribute is interpreted for the link element or for defining raster images.
xlink:show	Defines how the resource pointed to by the link is to be displayed.

Transform Attribute

The transform attribute is parsed and processed. The following transformations are applied:

matrix(<a> <b> <c> <d> <e> <f>), which specifies a transformation in the form of a transformation matrix of six values

translate(<tx> [<ty>]), which specifies a translation by tx and ty

scale(<sx> [<sy>]), which specifies a scale operation by sx and sy

rotate(<rotate-angle> [<cx> <cy>]), which specifies a rotation by <rotate-angle> degrees about a given point

skewX(<skew-angle>), which specifies a skew transformation along the x-axis

skewY(<skew-angle>), which specifies a skew transformation along the y-axis.

More About the font-family Attribute

The font-family attribute sets the font to be used to render the text. It can reference a list of font family names and/or generic family names.

The family-name can be interpreted if the font is supported.

3 types of fonts are supported:

CATIA Version 4 fonts
TrueType fonts
PostScript Type 1 fonts.

These fonts are described in Infrastructure User's Guide: Customizing: Fonts: Customizing Fonts for Displaying Geometry Area Texts.

The generic-family are substituted by the following font with the V6 SVG interpreter:

'serif' is interpreted as 'Times New Roman'
'sans-serif' is interpreted as 'Arial'
'cursive' is interpreted as 'Adobe Poetica'
'fantasy' is interpreted as 'Alpha Geometrique'
'monospace' is interpreted as 'Courier New'.

For detailed information on the generic-family attribute, you can browse the following Internet site:

http://www.w3.org/TR/REC-CSS2/fonts.html#generic-font-families