SVG Creation and Optimization Specialist Comprehensive SVG development covering vector graphics creation, SVGO optimization, icon systems, data visualizations, and animations. This skill provides patterns for all SVG workflows from basic shapes to complex animated graphics. Quick Reference (30 seconds) Basic SVG Template < svg xmlns = " http://www.w3.org/2000/svg " viewBox = " 0 0 100 100 " width = " 100 " height = " 100 "

< title

Accessible Title </ title

< desc

Description for screen readers </ desc

</ svg

Common Shapes Cheatsheet Rectangle: Circle: Ellipse: Line: Polyline: Polygon: Path Commands Quick Reference Movement Commands: M x y: Move to absolute position m dx dy: Move relative L x y: Line to absolute l dx dy: Line relative H x: Horizontal line absolute h dx: Horizontal line relative V y: Vertical line absolute v dy: Vertical line relative Z: Close path Curve Commands: C x1 y1 x2 y2 x y: Cubic bezier (two control points) S x2 y2 x y: Smooth cubic (reflects previous control) Q x1 y1 x y: Quadratic bezier (one control point) T x y: Smooth quadratic (reflects previous control) A rx ry rotation large-arc sweep x y: Arc SVGO CLI Commands Install globally: npm install -g svgo Optimize single file: svgo input.svg -o output.svg Optimize directory: svgo -f ./src/icons -o ./dist/icons Show optimization stats: svgo input.svg --pretty --indent=2 Use config file: svgo input.svg --config svgo.config.mjs Fill and Stroke Quick Reference Fill properties: fill, fill-opacity, fill-rule (nonzero, evenodd) Stroke properties: stroke, stroke-width, stroke-opacity, stroke-linecap (butt, round, square), stroke-linejoin (miter, round, bevel), stroke-dasharray, stroke-dashoffset Implementation Guide (5 minutes) SVG Document Structure The SVG element requires the xmlns attribute for standalone files. The viewBox defines the coordinate system as "minX minY width height". Width and height set the rendered size. < svg xmlns = " http://www.w3.org/2000/svg " viewBox = " 0 0 200 200 " width = " 200 " height = " 200 " preserveAspectRatio = " xMidYMid meet "

< defs

< linearGradient id = " grad1 "

< stop offset = " 0% " stop-color = "

ff0000

" /> < stop offset = " 100% " stop-color = "

0000ff

" /> </ linearGradient

</ defs

< g id = " main-group " transform = " translate(10, 10) "

< rect width = " 100 " height = " 100 " fill = " url(#grad1) " /> </ g

</ svg

Creating Reusable Symbols Symbols define reusable graphics that can be instantiated with use elements. They support their own viewBox for scaling. < svg xmlns = " http://www.w3.org/2000/svg "

< defs

< symbol id = " icon-star " viewBox = " 0 0 24 24 "

< path d = " M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z " /> </ symbol

</ defs

< use href = "

icon-star

" x = " 0 " y = " 0 " width = " 24 " height = " 24 " /> < use href = "

icon-star

" x = " 30 " y = " 0 " width = " 24 " height = " 24 " fill = " gold " /> < use href = "

icon-star

" x = " 60 " y = " 0 " width = " 48 " height = " 48 " /> </ svg

Path Creation Patterns Simple icon path combining moves, lines, and curves: < path d = " M10 20 L20 10 L30 20 L20 30 Z " /> Rounded rectangle using arcs: < path d = " M15 5 H85 A10 10 0 0 1 95 15 V85 A10 10 0 0 1 85 95 H15 A10 10 0 0 1 5 85 V15 A10 10 0 0 1 15 5 Z " /> Heart shape using cubic beziers: < path d = " M50 88 C20 65 5 45 5 30 A15 15 0 0 1 35 30 Q50 45 50 45 Q50 45 65 30 A15 15 0 0 1 95 30 C95 45 80 65 50 88 Z " /> Gradient Implementation Linear gradient from left to right: < defs

< linearGradient id = " horizontal-grad " x1 = " 0% " y1 = " 0% " x2 = " 100% " y2 = " 0% "

< stop offset = " 0% " stop-color = "

3498db

" /> < stop offset = " 50% " stop-color = "

9b59b6

" /> < stop offset = " 100% " stop-color = "

e74c3c

" /> </ linearGradient

</ defs

< rect fill = " url(#horizontal-grad) " width = " 200 " height = " 100 " /> Radial gradient with focal point: < defs

< radialGradient id = " sphere-grad " cx = " 50% " cy = " 50% " r = " 50% " fx = " 30% " fy = " 30% "

< stop offset = " 0% " stop-color = "

ffffff

" /> < stop offset = " 100% " stop-color = "

3498db

" /> </ radialGradient

</ defs

< circle fill = " url(#sphere-grad) " cx = " 50 " cy = " 50 " r = " 40 " /> SVGO Configuration Create svgo.config.mjs in project root: export default { multipass : true , plugins : [ 'preset-default' , 'prefixIds' , { name : 'sortAttrs' , params : { xmlnsOrder : 'alphabetical' } } , { name : 'removeAttrs' , params : { attrs : [ 'data-name' , 'class' ] } } ] } ; Configuration preserving specific elements: export default { multipass : true , plugins : [ { name : 'preset-default' , params : { overrides : { removeViewBox : false , cleanupIds : { preserve : [ 'icon-' , 'logo-' ] } } } } ] } ; Embedding SVG in React Inline SVG component: const Icon = ( { size = 24 , color = 'currentColor' } ) => ( < svg width = { size } height = { size } viewBox = " 0 0 24 24 " fill = " none "

< path d = " M12 2L2 7l10 5 10-5-10-5z " stroke = { color } strokeWidth = " 2 " /> </ svg

) ; SVG sprite with use element: const SpriteIcon = ( { name , size = 24 } ) => ( < svg width = { size } height = { size }

< use href = { /sprites.svg# ${ name } } /> </ svg

) ; Text Elements Basic text positioning: < text x = " 50 " y = " 50 " text-anchor = " middle " dominant-baseline = " middle " font-family = " Arial " font-size = " 16 " fill = "

333

"

Centered Text </ text

Text on a path: < defs

< path id = " text-curve " d = " M10 80 Q95 10 180 80 " fill = " none " /> </ defs

< text font-size = " 14 "

< textPath href = "

text-curve

"

Text following a curved path </ textPath

</ text

Advanced Implementation (10+ minutes) Complex Filter Effects Drop shadow with blur: < defs

< filter id = " drop-shadow " x = " -20% " y = " -20% " width = " 140% " height = " 140% "

< feGaussianBlur in = " SourceAlpha " stdDeviation = " 3 " result = " blur " /> < feOffset in = " blur " dx = " 3 " dy = " 3 " result = " offsetBlur " /> < feMerge

< feMergeNode in = " offsetBlur " /> < feMergeNode in = " SourceGraphic " /> </ feMerge

</ filter

</ defs

Glow effect: < filter id = " glow "

< feGaussianBlur stdDeviation = " 4 " result = " coloredBlur " /> < feMerge

< feMergeNode in = " coloredBlur " /> < feMergeNode in = " SourceGraphic " /> </ feMerge

</ filter

Clipping and Masking Clip path for cropping: < defs

< clipPath id = " circle-clip "

< circle cx = " 50 " cy = " 50 " r = " 40 " /> </ clipPath

</ defs

< image href = " photo.jpg " width = " 100 " height = " 100 " clip-path = " url(#circle-clip) " /> Gradient mask for fade effect: < defs

< linearGradient id = " fade-grad "

< stop offset = " 0% " stop-color = " white " /> < stop offset = " 100% " stop-color = " black " /> </ linearGradient

< mask id = " fade-mask "

< rect width = " 100 " height = " 100 " fill = " url(#fade-grad) " /> </ mask

</ defs

< rect width = " 100 " height = " 100 " fill = " blue " mask = " url(#fade-mask) " /> CSS Animation Integration Keyframe animation for SVG elements: @keyframes pulse { 0% , 100% { transform : scale ( 1 ) ; opacity : 1 ; } 50% { transform : scale ( 1.1 ) ; opacity : 0.8 ; } } .animated-circle { animation : pulse 2 s ease-in-out infinite ; transform-origin : center ; } Stroke drawing animation: .draw-path { stroke-dasharray : 1000 ; stroke-dashoffset : 1000 ; animation : draw 2 s ease forwards ; } @keyframes draw { to { stroke-dashoffset : 0 ; } } Accessibility Best Practices Always include title and desc for meaningful graphics: < svg role = " img " aria-labelledby = " title desc "

< title id = " title "

Company Logo </ title

< desc id = " desc "

A blue mountain with snow-capped peak </ desc

</ svg

For decorative SVGs, hide from screen readers: < svg aria-hidden = " true " focusable = " false "

</ svg

Performance Optimization Reduce precision in path data from 6 decimals to 2: Before: M10.123456 20.654321 L30.987654 40.123456 After: M10.12 20.65 L30.99 40.12 Convert shapes to paths for smaller file size when appropriate. Use symbols for repeated elements. Apply SVGZ compression for 20-50% size reduction. For detailed patterns on each topic, see the modules directory. Module Index modules/svg-basics.md: Document structure, coordinate system, shapes, paths, text modules/svg-styling.md: Fills, strokes, gradients, patterns, filters, clipping, masking modules/svg-optimization.md: SVGO configuration, compression, sprites, performance modules/svg-animation.md: CSS animations, SMIL, JavaScript, interaction patterns Works Well With moai-domain-frontend: React/Vue SVG component integration moai-docs-generation: SVG diagram generation for documentation moai-domain-uiux: Icon systems and design system integration