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var OverpassLayer = require('overpass-layer') var parseLength = require('overpass-layer/src/parseLength')
function cssStyle (style) { let ret = '' if ('color' in style) { ret += 'stroke: ' + style.color + ';' } ret += 'stroke-width: ' + parseLength('width' in style ? style.width : '3', global.map.getMetersPerPixel()) + ';' if ('dashArray' in style) { ret += 'stroke-dasharray: ' + style.dashArray + ';' } if ('dashArray' in style) { ret += 'stroke-dasharray: ' + style.dashArray + ';' } if ('dashOffset' in style) { ret += 'stroke-dashoffset: ' + style.dashOffset + ';' } if ('fillColor' in style) { ret += 'fill: ' + style.fillColor + ';' } else if ('color' in style) { ret += 'fill: ' + style.color + ';' } else { ret += 'fill: #3388ff;' } if ('fillOpacity' in style) { ret += 'fill-opacity: ' + style.fillOpacity + ';' } else { ret += 'fill-opacity: 0.2;' }
return ret }
function markerLine (data) { let styles = parseOptions(data)
let ret = '<svg anchorX="13" anchorY="8" width="25" height="15">'
styles.forEach(style => { let y = 8.0 + parseLength('offset' in style ? style.offset : 0, global.map.getMetersPerPixel())
ret += '<line x1="0" y1="' + y + '" x2="25" y2="' + y + '" style="' + cssStyle(style) + '"/>' })
ret += '</svg>'
return OverpassLayer.twig.filters.raw(ret) }
function markerPolygon (data) { let ret = '<svg anchorX="13" anchorY="8" width="25" height="25">'
let styles = parseOptions(data)
styles.forEach(style => { ret += '<rect x="3" y="3" width="18" height="18" style="' + cssStyle(style) + '"/>' })
ret += '</svg>'
return OverpassLayer.twig.filters.raw(ret) }
function markerCircle (data) { let styles = parseOptions(data)
let c = styles .map(style => (style.size || style.radius || 12) + (style.width / 2)) .sort()[0]
let ret = '<svg anchorX="' + (c + 0.5) + ' anchorY="' + (c + 0.5) + '" width="' + (c * 2) + '" height="' + (c * 2) + '">'
styles.forEach(style => { ret += '<circle cx="' + c + '" cy="' + c + '" r="' + (style.radius || 12) + '" style="' + cssStyle(style) + '"/>' })
ret += '</svg>'
return OverpassLayer.twig.filters.raw(ret) }
function markerPointer (data) { let ret = '<svg anchorX="13" anchorY="45" width="25" height="45" signAnchorX="0" signAnchorY="-31">'
let styles = parseOptions(data)
styles.forEach(style => { ret += '<path d="M0.5,12.5 A 12,12 0 0 1 24.5,12.5 C 24.5,23 13,30 12.5,44.5 C 12,30 0.5,23 0.5,12.5" style="' + cssStyle(style) + '"/>' })
ret += '</svg>'
return OverpassLayer.twig.filters.raw(ret) }
function parseOptions (data) { if (!data || !('style' in data) && !('styles' in data)) { let ret = [ { fillColor: '#f2756a', color: '#000000', width: 1, radius: 12, fillOpacity: 1 }, ]
if (data && data.color) { ret[0].fillColor = data.color ret[0].fillOpacity = 0.2 }
if (data) for (let k in data) { ret[0][k] = data[k] }
return ret }
if (!('styles' in data)) { data = { style: data, styles: [ 'default' ] } }
if (typeof data.styles === 'string') { data.styles = data.styles.split(/,/g) }
return data.styles.map(k => (k === 'default' ? data.style : data['style:' + k]) || {}) }
OverpassLayer.twig.extendFunction('markerLine', markerLine) OverpassLayer.twig.extendFunction('markerCircle', markerCircle) OverpassLayer.twig.extendFunction('markerPointer', markerPointer) OverpassLayer.twig.extendFunction('markerPolygon', markerPolygon)
module.exports = { line: markerLine, circle: markerCircle, pointer: markerPointer, polygon: markerPolygon }
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