https://www.topolines.app/ weekly 1.0 https://www.topolines.app/home/handoff/figma.webp A TopoLines SVG pasted into Figma: contours, labels and grid as separate layers https://www.topolines.app/home/handoff/illustrator.webp A TopoLines SVG open in Illustrator: gradient contours over a grid, the Layers panel listing one group per contour level https://www.topolines.app/home/handoff/qgis.webp A TopoLines GeoJSON open in QGIS over OpenStreetMap, contours graduated by elevation, the status bar showing EPSG:4326 https://www.topolines.app/home/layers/01.webp Mont-Blanc massif contour map, contours only https://www.topolines.app/home/layers/02.webp Mont-Blanc massif contour map, with index lines https://www.topolines.app/home/layers/03.webp Mont-Blanc massif contour map, with elevation labels https://www.topolines.app/home/layers/04.webp Mont-Blanc massif contour map, with peak and grid annotations https://www.topolines.app/home/layers/05.webp Mont-Blanc massif elevation map in Points mode https://www.topolines.app/home/uses/kathmandu.webp Purna water flask mock-up over white contour lines and Himalayan peaks, Kathmandu https://www.topolines.app/home/uses/marseille.webp Marseille editorial poster: a large M on sage green beside the coastline in black contour lines https://www.topolines.app/home/uses/salt-lake-city.webp The Wasatch front as a blue dot field with a metric grid https://www.topolines.app/home/uses/santorini.webp Santorini caldera in blue-to-white gradient hairlines on black https://www.topolines.app/home/uses/innsbruck.webp Nordkette above Innsbruck, bold black contours and height labels on yellow https://www.topolines.app/home/uses/queenstown.webp The Remarkables and Lake Wakatipu in hypsometric colour contours on dark ground https://www.topolines.app/home/uses/cape-town.webp Table Mountain topographic sheet with labels, peaks, grid, scale bar and legend https://www.topolines.app/home/shipped/two-readings.webp Mont-Blanc massif traced once, as contour lines and as points https://www.topolines.app/home/shipped/exports.webp Mont-Blanc contours with index lines, height labels and a metric grid https://www.topolines.app/app weekly 0.8 https://www.topolines.app/blog weekly 0.7 https://www.topolines.app/topographic-map weekly 0.7 https://www.topolines.app/_astro/addis-ababa.BaOc-42X_23UYHB.webp Contour map of Addis Ababa https://www.topolines.app/_astro/ajaccio.DfWo7k47_10oxhq.webp Contour map of Ajaccio https://www.topolines.app/_astro/akureyri._RHZ-SZn_Z1jiwPA.webp Contour map of Akureyri https://www.topolines.app/_astro/alesund.AWW9Fr4e_28Vw4O.webp Contour map of Ålesund https://www.topolines.app/_astro/almaty.D-WhPR5S_2jgiR4.webp Contour map of Almaty https://www.topolines.app/_astro/amalfi.DzEKfwPC_jiL2C.webp Contour map of Amalfi https://www.topolines.app/_astro/andalsnes.CkxFniSg_Z2aubEv.webp Contour map of Åndalsnes https://www.topolines.app/_astro/andorra.CAMECl4l_nPvUr.webp Contour map of Andorra https://www.topolines.app/_astro/annecy.BNTnS8SY_2nuS9j.webp Contour map of Annecy https://www.topolines.app/_astro/antananarivo.u1ZD9PcV_tUFl7.webp Contour map of Antananarivo https://www.topolines.app/_astro/auronzo-di-cadore.BdQeyS3V_1tcvn4.webp Contour map of Auronzo di Cadore https://www.topolines.app/_astro/bariloche.nQsYkge0_1yBziu.webp Contour map of Bariloche https://www.topolines.app/_astro/bergen.C1_Rmw9m_WWRip.webp Contour map of Bergen https://www.topolines.app/_astro/bern.BE39SX4S_aVJSi.webp Contour map of Bern https://www.topolines.app/_astro/bishkek.BdNN0dd8_2of4e0.webp Contour map of Bishkek https://www.topolines.app/_astro/bogota.mpS9xMrL_86PS5.webp Contour map of Bogotá https://www.topolines.app/_astro/bolzano.BP0aa1l5_Z9E8a2.webp Contour map of Bolzano https://www.topolines.app/_astro/cagliari.Bz68gg8q_1lujDx.webp Contour map of Cagliari https://www.topolines.app/_astro/cape-town.DhBTpe-a_ZDdN3z.webp Contour map of Cape Town 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https://www.topolines.app/_astro/marsberg.DNSDQjZ1_ZdXpuV.webp Contour map of Marsberg https://www.topolines.app/_astro/marseille.DsUugmUa_ZfLf57.webp Contour map of Marseille https://www.topolines.app/_astro/medellin.CPed_Pno_Z1NTC70.webp Contour map of Medellín https://www.topolines.app/_astro/menton.DmVKZnp8_ZXT2qz.webp Contour map of Menton https://www.topolines.app/_astro/monaco.Bz5Cclvj_vb0PP.webp Contour map of Monaco https://www.topolines.app/_astro/montenegro.DSF2SyFc_10v64q.webp Contour map of Montenegro https://www.topolines.app/_astro/nafplio.xPy4cjDa_ZEpmkd.webp Contour map of Nafplio https://www.topolines.app/_astro/narvik.Cw0EJNVi_ZXOalr.webp Contour map of Narvik https://www.topolines.app/_astro/nice.BA9rb7lQ_Z12qLxo.webp Contour map of Nice https://www.topolines.app/_astro/niimi.CKEdYO2p_2iNKTV.webp Contour map of Niimi https://www.topolines.app/_astro/nuuk.CALIsfl4_STD4X.webp Contour map of Nuuk https://www.topolines.app/_astro/queenstown.0BKTguXM_Z2o8SH0.webp Contour map of Queenstown https://www.topolines.app/_astro/quito.ONZRDCCx_Z13PGse.webp Contour map of Quito https://www.topolines.app/_astro/rauris.BTpiCJ6o_Z2tEL1W.webp Contour map of Rauris https://www.topolines.app/_astro/reykjavik.D4UwY4Jv_lkCU8.webp Contour map of Reykjavík https://www.topolines.app/_astro/rio-de-janeiro.x5bOgCD1_ZTEI54.webp Contour map of Rio de Janeiro https://www.topolines.app/_astro/rottach-egern.Cep3IKBC_Z1kngGb.webp Contour map of Rottach-Egern https://www.topolines.app/_astro/salt-lake-city.BLlWEFH5_gQ2Ns.webp Contour map of Salt Lake City https://www.topolines.app/_astro/salzburg.DGxzgytG_Z19b7WK.webp Contour map of Salzburg https://www.topolines.app/_astro/san-francisco.jN6d9jSM_2d3AEW.webp Contour map of San Francisco https://www.topolines.app/_astro/san-marino.BHxmQ1rv_2dvkWI.webp Contour map of San Marino https://www.topolines.app/_astro/santiago.Dc6nhMxm_1jNGz5.webp Contour map of Santiago https://www.topolines.app/_astro/santorini.C2bSyguO_16nbBz.webp Contour map of Santorini https://www.topolines.app/_astro/sarajevo.D805EH0x_ZTMJAf.webp Contour map of Sarajevo https://www.topolines.app/_astro/seychelles.r0DPJXov_ZHXDF4.webp Contour map of Seychelles https://www.topolines.app/_astro/seydisfjordur.BFqTAxOI_1og0lh.webp Contour map of Seyðisfjörður https://www.topolines.app/_astro/tbilisi.DE4qMzMj_ZWL7KG.webp Contour map of Tbilisi https://www.topolines.app/_astro/thimphu.BLo1foAS_2bnVjQ.webp Contour map of Thimphu https://www.topolines.app/_astro/torshavn.ucXWgpgB_ZxX56H.webp Contour map of Tórshavn https://www.topolines.app/_astro/tromso.D4FXXYcU_CDGkk.webp Contour map of Tromsø https://www.topolines.app/_astro/trondheim.NDbifgEy_Z1LE4uS.webp Contour map of Trondheim https://www.topolines.app/_astro/turin.D9XxrzLJ_1CFtKI.webp Contour map of Turin https://www.topolines.app/_astro/ushuaia.B9cmptzi_Z2hXvK9.webp Contour map of Ushuaia https://www.topolines.app/_astro/vancouver.Cj4iPV8__Z1aCUir.webp Contour map of Vancouver https://www.topolines.app/_astro/vatican-city.Dx9aqH6j_ZvOWlf.webp Contour map of Vatican City https://www.topolines.app/_astro/wellington.BuuStWYZ_Z1x0si8.webp Contour map of Wellington https://www.topolines.app/_astro/whistler.B0zXmKGZ_Z2rNLJH.webp Contour map of Whistler https://www.topolines.app/_astro/yerevan.BvcKIPQr_1KhIwC.webp Contour map of Yerevan https://www.topolines.app/_astro/zermatt.Cq1eZr8x_1XWswH.webp Contour map of Zermatt https://www.topolines.app/contour-map-generator weekly 1.0 https://www.topolines.app/contour-lines/places/chamonix.webp Contour map of Chamonix, France https://www.topolines.app/contour-lines/places/amalfi.webp Contour map of Amalfi, Italy https://www.topolines.app/contour-lines/places/hong-kong.webp Contour map of Hong Kong, China https://www.topolines.app/contour-lines/places/geiranger.webp Contour map of Geiranger, Norway https://www.topolines.app/contour-lines/places/san-francisco.webp Contour map of San Francisco, United States https://www.topolines.app/contour-lines/places/rio-de-janeiro.webp Contour map of Rio de Janeiro, Brazil https://www.topolines.app/contour-lines/places/grenoble.webp Contour map of Grenoble, France https://www.topolines.app/contour-lines/places/wellington.webp Contour map of Wellington, New Zealand https://www.topolines.app/contour-lines/lines/terrain.webp White contour lines of the Sorrento peninsula stopping at the coastline, over a dark map https://www.topolines.app/contour-lines/lines/ramp.webp Mont-Blanc contours coloured by height, deep blue valleys to pale gold summits https://www.topolines.app/contour-lines/lines/taper.webp Mount Fuji contours, taper off on the left, taper on on the right https://www.topolines.app/contour-lines/lines/annotations.webp Puy de Pariou crater with height labels, depression ticks and dashed auxiliary lines https://www.topolines.app/home/handoff/figma.webp A TopoLines SVG opened in Figma, one layer group per elevation https://www.topolines.app/contour-lines/lines/interval-10.webp Chamonix contour lines at a 10 m interval https://www.topolines.app/contour-lines/lines/interval-25.webp Chamonix contour lines at a 25 m interval https://www.topolines.app/contour-lines/lines/interval-100.webp Chamonix contour lines at a 100 m interval https://www.topolines.app/contour-lines/more/points.webp Mount Rainier drawn as a field of white dots that swell toward the summit https://www.topolines.app/contour-lines/more/furniture.webp A scale bar, contour legend and north arrow in white on black https://www.topolines.app/contour-lines/more/exports.webp Teide contours in four strips labelled PNG, SVG, GeoJSON and DXF https://www.topolines.app/contour-lines/more/places.webp Contour maps of Bergen, Reykjavík and Vancouver side by side https://www.topolines.app/contour-lines/bleed/everest.webp Everest and Nuptse from Kala Patthar, prayer flags in the foreground https://www.topolines.app/pricing monthly 0.9 https://www.topolines.app/legal yearly 0.2 https://www.topolines.app/privacy yearly 0.2 https://www.topolines.app/terms yearly 0.2 https://www.topolines.app/faq monthly 0.8 https://www.topolines.app/help monthly 0.7 https://www.topolines.app/help/step-1-get-key.png Web app panel header showing the Figma API key popup with a copy button https://www.topolines.app/help/step-2-paste-key.png Figma plugin account popup with the API key field https://www.topolines.app/points monthly 0.8 https://www.topolines.app/points/rail/alpine.webp Dotted map of the Matterhorn and Monte Rosa in an Imhof gradient, peaks named https://www.topolines.app/points/rail/stipple.webp The Dolomites hand-stippled in black ink on cream paper https://www.topolines.app/points/rail/story.webp Kilimanjaro in blue crosses over a dark map, summit named https://www.topolines.app/points/rail/pattern.webp Table Mountain in orange squares over a metric grid https://www.topolines.app/points/rail/cover.webp Mount Fuji in large dots, red to pink duotone https://www.topolines.app/points/rail/merch.webp Lofoten islands in cyan to white dots over a dark map, peaks named https://www.topolines.app/points/plans/free.webp Mount Fuji in white dots on black, one ink colour https://www.topolines.app/points/plans/pro.webp The Mont Blanc massif in a fine grid of dots, green valleys to pink summits https://www.topolines.app/points/plans/sheet.webp Teide in black dots on white, with a scale bar, a dot-size legend and a north arrow https://www.topolines.app/points/also/sheet.webp Mount Rainier in black dots on white, with a scale bar, a dot-size legend and a north arrow https://www.topolines.app/contour-lines/lines/annotations.webp Puy de Pariou crater with height labels, depression ticks and dashed auxiliary lines https://www.topolines.app/contour-lines/more/exports.webp Teide contours in four strips labelled PNG, SVG, GeoJSON and DXF https://www.topolines.app/points/also/release.webp The Matterhorn twice: white contour lines on the left, white dots on the right https://www.topolines.app/points/bleed/valley.webp A limestone valley between grey peaks, a trail winding up through green pine scrub https://www.topolines.app/docs monthly 0.6 https://www.topolines.app/docs/editor-lines.webp The TopoLines editor with a contour trace of the Mont Blanc massif https://www.topolines.app/changelog weekly 0.5 https://www.topolines.app/docs/datasets 2026-10-21 monthly 0.6 https://www.topolines.app/docs/cartographic-options 2026-10-02 monthly 0.6 https://www.topolines.app/docs/export-panel.webp Export panel with Scale bar, North arrow and Legend toggles https://www.topolines.app/docs/elevation-data 2026-10-21 monthly 0.6 https://www.topolines.app/docs/precision-menu.webp Precision menu: Auto, Standard GEDTM30 30 m, HD 10 m https://www.topolines.app/docs/map-info.webp Map info panel: elevation range, relief, scale, CRS and source https://www.topolines.app/docs/exports-and-plans 2026-09-28 monthly 0.6 https://www.topolines.app/docs/export-formats.webp Export format menu: PNG Low, Medium, High, SVG, GeoJSON, DXF https://www.topolines.app/docs/line-styling 2026-10-19 monthly 0.6 https://www.topolines.app/docs/render-modes 2026-09-28 monthly 0.6 https://www.topolines.app/docs/zone-lines.webp Mont Blanc massif rendered as contour lines https://www.topolines.app/docs/zone-points.webp The same zone rendered as points https://www.topolines.app/docs/points-controls.webp Points section of the editor: colour, Density, Shape, Size min/max, Placement https://www.topolines.app/blog/carte-topographique-svg 2026-07-12 monthly 0.6 https://www.topolines.app/_astro/cover-carte-topographique-svg.Bo8t_mpQ_QvzCN.jpeg Carte topographique en SVG : le bon format pour affiches et découpe laser Quand exporter une carte topographique en SVG plutôt qu'en PNG ou DXF, et pourquoi un SVG groupé par altitude change tout pour l'impression. https://www.topolines.app/_astro/cover-carte-topographique-svg.Bo8t_mpQ_Z1LVzcy.webp Carte topographique en SVG : le bon format pour affiches et découpe laser https://www.topolines.app/blog/contour-map-laser-cutting 2026-10-03 monthly 0.6 https://www.topolines.app/_astro/cover-contour-map-laser-cutting.DhOV62GX_28yxw3.jpeg Laser Cut Topographic Map: Make Layered Topo Maps of Any Place How to make a laser cut topographic map from real elevation data: choosing the interval, a cut-ready SVG, stacking layers, mistakes to avoid. https://www.topolines.app/_astro/cover-contour-map-laser-cutting.DhOV62GX_Z1pzq5j.webp Laser Cut Topographic Map: Make Layered Topo Maps of Any Place https://www.topolines.app/blog/contour-map-svg 2026-07-12 monthly 0.6 https://www.topolines.app/_astro/cover-contour-map-svg.CLebm6Xf_Z2mDNX.jpeg Contour Map SVG: The Right Format for Posters, Laser Cutting and Design When to export a contour map as SVG instead of PNG, DXF or KMZ, and why a layered SVG grouped by elevation matters for print and laser cutting. https://www.topolines.app/_astro/cover-contour-map-svg.CLebm6Xf_2m7k6F.webp Contour Map SVG: The Right Format for Posters, Laser Cutting and Design https://www.topolines.app/blog/contour-map-tools-compared 2026-10-11 monthly 0.6 https://www.topolines.app/_astro/cover-contour-map-tools-compared.BtcUE5tl_4YMhg.jpeg Contour Map Creator vs TopoExport vs TopoLines: Which Contour Tool for Which Job An honest comparison of three online contour map tools: what each one exports, what data it uses, what it costs on the same area, and when you should pick the other one. https://www.topolines.app/_astro/cover-contour-map-tools-compared.BtcUE5tl_Z2rh46A.webp Contour Map Creator vs TopoExport vs TopoLines: Which Contour Tool for Which Job https://www.topolines.app/blog/curvas-de-nivel-topografia 2026-10-04 monthly 0.6 https://www.topolines.app/_astro/cover-curvas-de-nivel-topografia.BobPVd9p_YEdqt.jpeg Curvas de nivel: qué son, cómo leerlas y para qué sirven en topografía Qué son las curvas de nivel, cómo leer un plano, qué es la equidistancia y cómo se usan en topografía y agricultura, con ejemplos reales. https://www.topolines.app/_astro/cover-curvas-de-nivel-topografia.BobPVd9p_Z1wBCWn.webp Curvas de nivel: qué son, cómo leerlas y para qué sirven en topografía https://www.topolines.app/blog/diagrams/contour-slices-es.webp Diagrama: un cerro visto de perfil, cortado por planos horizontales a 100, 200, 300 y 400 metros; líneas punteadas proyectan cada corte sobre la vista en planta, donde los cortes se convierten en curvas de nivel concéntricas https://www.topolines.app/contour-lines/lines/annotations.webp Cráter del Puy de Pariou dibujado con curvas maestras acotadas, marcas de depresión dentro del cráter y curvas auxiliares discontinuas https://www.topolines.app/contour-lines/lines/interval-10.webp El valle de Chamonix y el macizo del Mont Blanc con una equidistancia de 10 metros — curvas densas que muestran cada detalle del relieve https://www.topolines.app/contour-lines/lines/interval-100.webp La misma zona de Chamonix con una equidistancia de 100 metros — pocas curvas, solo las grandes formas del relieve https://www.topolines.app/blog/diagrams/contour-slopes-es.webp Diagrama de cuatro perfiles de ladera — empinada, suave, cóncava y convexa — cada uno sobre la separación de curvas que produce en planta https://www.topolines.app/blog/diagrams/contour-landforms-es.webp Plano de curvas de nivel anotado con dos cimas, el collado entre ellas, una loma cuyas curvas apuntan cuesta abajo, un valle cuyas curvas apuntan cuesta arriba a lo largo de un arroyo y una depresión marcada con trazos https://www.topolines.app/blog/curvas-de-nivel 2026-10-04 monthly 0.6 https://www.topolines.app/_astro/cover-curvas-de-nivel.DH9U64Ym_2o7BaH.jpeg Curvas de nível: o que são, como ler e como fazer (com exemplos) O que é curva de nível, como ler um mapa de curvas de nível, o que é a equidistância e para que servem na topografia e na agricultura. https://www.topolines.app/_astro/cover-curvas-de-nivel.DH9U64Ym_ZhzxHA.webp Curvas de nível: o que são, como ler e como fazer (com exemplos) https://www.topolines.app/blog/diagrams/contour-slices-pt.webp Diagrama: um morro visto de perfil, cortado por planos horizontais a 100, 200, 300 e 400 metros; linhas pontilhadas projetam cada corte na vista de cima, onde os cortes viram curvas de nível concêntricas https://www.topolines.app/contour-lines/lines/annotations.webp Cratera do Puy de Pariou desenhada com curvas mestras cotadas, traços de depressão dentro da cratera e curvas auxiliares tracejadas https://www.topolines.app/contour-lines/lines/interval-10.webp Vale de Chamonix e maciço do Mont Blanc com equidistância de 10 metros — curvas densas que mostram cada detalhe do relevo https://www.topolines.app/contour-lines/lines/interval-100.webp A mesma área de Chamonix com equidistância de 100 metros — poucas curvas, só as grandes formas do relevo https://www.topolines.app/blog/diagrams/contour-slopes-pt.webp Diagrama de quatro perfis de encosta — íngreme, suave, côncava e convexa — cada um acima do espaçamento de curvas que produz na vista de cima https://www.topolines.app/blog/diagrams/contour-landforms-pt.webp Mapa de curvas de nível anotado com dois topos, a sela entre eles, um espigão com curvas apontando morro abaixo, um vale com curvas apontando morro acima ao longo de um córrego e uma depressão marcada com traços https://www.topolines.app/contour-lines/places/rio-de-janeiro.webp Mapa de curvas de nível do Rio de Janeiro: o maciço da Tijuca com o Pico da Carioca, o Corcovado e a Pedra do Conde, em linhas brancas sobre fundo preto https://www.topolines.app/blog/designing-contour-art 2026-02-18 monthly 0.6 https://www.topolines.app/_astro/cover-designing-contour-art.Cvx791yr_Z1zW63D.jpeg Designing with contour line art How to turn real contour lines into posters, covers and brand patterns: choosing the place, the interval, line weight, colour and format. https://www.topolines.app/_astro/cover-designing-contour-art.Cvx791yr_1DzBDk.webp Designing with contour line art https://www.topolines.app/contour-lines/places/amalfi-640.webp Contour lines of the Amalfi coast: dense lines along the cliffs, empty sea below https://www.topolines.app/blog/gedtm30-vs-lidar 2026-10-05 monthly 0.6 https://www.topolines.app/_astro/cover-gedtm30-vs-lidar.D0fx5QH__2fpuEg.jpeg Bare earth or treetops? We tested GEDTM30 against lidar Why TopoLines traces from GEDTM30 by default: a side-by-side check against Copernicus GLO-30 and national lidar at ten sites, from forests to cities. https://www.topolines.app/_astro/cover-gedtm30-vs-lidar.D0fx5QH__1rLbyL.webp Bare earth or treetops? We tested GEDTM30 against lidar https://www.topolines.app/blog/gedtm30-vs-lidar/rmse-by-site.webp Bar chart of error against lidar at eight sites. Under forest Copernicus is off by 15 to 37 m and GEDTM30 by 5 to 18 m; on farmland and in cities both are within 1 to 5 m https://www.topolines.app/blog/gedtm30-vs-lidar/profile-smokies.webp Elevation profile across the Great Smoky Mountains: the Copernicus line runs well above the lidar ground, the GEDTM30 line follows it closely; lower panel shows each model minus lidar https://www.topolines.app/blog/gedtm30-vs-lidar/overlay-smokies.webp Contour lines of the same Great Smoky Mountains area drawn three times: lidar in blue, GEDTM30 in black lying close to it, Copernicus in red shifted away https://www.topolines.app/blog/generateur-carte-topographique 2026-06-20 monthly 0.6 https://www.topolines.app/_astro/cover-generateur-carte-topographique.c_1e7uHZ_1YT1Rn.jpeg Générateur de carte topographique : créer des courbes de niveau en ligne Un générateur de carte topographique en ligne : des données d'altitude réelles en courbes de niveau, exportées en SVG vectoriel ou PNG HD. https://www.topolines.app/_astro/cover-generateur-carte-topographique.c_1e7uHZ_Dp5wL.webp Générateur de carte topographique : créer des courbes de niveau en ligne https://www.topolines.app/blog/generer-traces-topographiques 2026-06-19 monthly 0.6 https://www.topolines.app/_astro/cover-generer-traces-topographiques.tBRwe7_A_Z1eUMqF.jpeg Courbes de niveau : générer une carte en ligne Générer une carte avec courbes de niveau depuis l'altitude réelle : lire les courbes, choisir l'équidistance, partir des données IGN, exporter en SVG ou DXF. https://www.topolines.app/_astro/cover-generer-traces-topographiques.tBRwe7_A_1CtKwl.webp Courbes de niveau : générer une carte en ligne https://www.topolines.app/blog/lidar-elevation-europe 2026-10-03 monthly 0.6 https://www.topolines.app/_astro/cover-lidar-elevation-europe.DBGbQhVd_18wD1c.jpeg HD terrain data for England, Austria, Switzerland, Italy and Germany TopoLines HD exports now trace from national lidar models in England, Austria, Switzerland, Italy and parts of Germany, picked automatically. https://www.topolines.app/_astro/cover-lidar-elevation-europe.DBGbQhVd_QhlSc.webp HD terrain data for England, Austria, Switzerland, Italy and Germany https://www.topolines.app/blog/national-lidar-dtm-over-http 2026-10-19 monthly 0.6 https://www.topolines.app/_astro/cover-national-lidar-dtm-over-http.8YYbzKZe_cTyMe.jpeg Reading nine national terrain models (mostly lidar) over HTTP Field notes on reading open national DTMs (IGN, USGS 3DEP, swissALTI3D, EA lidar, BEV, TINITALY, DGM1…) over WMS, WCS and COG tiles in Python, without downloading a country. https://www.topolines.app/_astro/cover-national-lidar-dtm-over-http.8YYbzKZe_Z21xTsj.webp Reading nine national terrain models (mostly lidar) over HTTP https://www.topolines.app/blog/qgis-contour-lines 2026-10-05 monthly 0.6 https://www.topolines.app/_astro/cover-qgis-contour-lines.KJW5qZDz_1tptmt.jpeg How to Make Contour Lines in QGIS (Step by Step, and a Faster Way) Generate contour lines in QGIS from a DEM: where to get elevation data, clipping, CRS, the GDAL Contour tool, intervals, index contours, smoothing and SVG export. Plus the no-GIS shortcut. https://www.topolines.app/_astro/cover-qgis-contour-lines.KJW5qZDz_v6lFX.webp How to Make Contour Lines in QGIS (Step by Step, and a Faster Way) https://www.topolines.app/contour-lines/lines/interval-25.webp Contour lines of the Chamonix valley traced at a 25 metre interval https://www.topolines.app/blog/svg-vector-export 2026-06-08 monthly 0.6 https://www.topolines.app/_astro/cover-svg-vector-export.HmqOHw4j_1DdndC.jpeg Vector SVG export, ready for print and Figma Export your contour maps as clean, layered SVG — infinitely scalable, print-ready, and editable straight in Figma or Illustrator. https://www.topolines.app/_astro/cover-svg-vector-export.HmqOHw4j_Z1GQkSb.webp Vector SVG export, ready for print and Figma https://www.topolines.app/blog/topographic-contour-lines 2026-06-19 monthly 0.6 https://www.topolines.app/_astro/cover-topographic-contour-lines.DYwqhTei_SuyN9.jpeg What Is a Contour Map? How to Read Contour Lines (With Examples) What is a contour map? How contour lines work, the rules they follow, how to read slopes, peaks, ridges and valleys, and how to make your own. https://www.topolines.app/_astro/cover-topographic-contour-lines.DYwqhTei_2pxJ0I.webp What Is a Contour Map? How to Read Contour Lines (With Examples) https://www.topolines.app/blog/diagrams/contour-slices.webp Diagram: a hill seen from the side, cut by horizontal planes at 100, 200, 300 and 400 metres; dotted lines project each cut down onto the top view, where the cuts become nested contour loops https://www.topolines.app/contour-lines/lines/annotations.webp Puy de Pariou crater drawn with labelled index contours, depression tick marks inside the crater and dashed supplementary contours https://www.topolines.app/contour-lines/lines/interval-10.webp The Chamonix valley and Mont Blanc massif drawn with a 10 metre contour interval — dense lines that capture every small bump in the terrain https://www.topolines.app/contour-lines/lines/interval-100.webp The same Chamonix area drawn with a 100 metre contour interval — far fewer lines, only the big landforms remain https://www.topolines.app/blog/diagrams/contour-slopes.webp Diagram of four slope profiles — steep, gentle, concave and convex — each above the contour line spacing it produces in top view https://www.topolines.app/blog/diagrams/contour-landforms.webp Annotated contour map showing two peaks, a saddle between them, a ridge whose contours point downhill, a stream valley whose contours point uphill, and a depression marked with tick marks https://www.topolines.app/blog/topographic-map-figma 2026-07-21 monthly 0.6 https://www.topolines.app/_astro/cover-topographic-map-figma.rxDnTC5X_z9WWM.jpeg How to Make a Topographic Map in Figma How to make a topographic map in Figma: generate contour lines for any place from real elevation data and import a clean, layered SVG. https://www.topolines.app/_astro/cover-topographic-map-figma.rxDnTC5X_Z1gus9b.webp How to Make a Topographic Map in Figma https://www.topolines.app/blog/topolines-2-0 2026-10-04 monthly 0.6 https://www.topolines.app/_astro/cover-topolines-2-0.JDih2HIv_27Nggh.jpeg TopoLines 2.0: two readings of one terrain TopoLines 2.0 adds Points, a second way to draw elevation next to contour lines, plus scale bars, legends and 5 m lidar for five more countries. https://www.topolines.app/_astro/cover-topolines-2-0.JDih2HIv_Z1HxrLx.webp TopoLines 2.0: two readings of one terrain https://www.topolines.app/blog/topolines-2-0/two-readings.webp One terrain drawn half as gradient contour lines and half as a field of gradient dots https://www.topolines.app/blog/topolines-2-0/ui-lines.webp The TopoLines editor over the Mont Blanc massif, 81 km² zone drawn as white contour lines, Render switch set to Lines https://www.topolines.app/blog/topolines-2-0/ui-points.webp The same Mont Blanc zone in the editor with the Render switch set to Points: the panel shows density, shape, size and placement controls https://www.topolines.app/blog/topolines-2-0/points-gradient.webp Points export near Salt Lake City: dots grow from small green ones on the valley floor to large pink ones on the mountain slopes https://www.topolines.app/blog/topolines-2-0/depressions.webp Volcanic crater drawn in light blue contours with labelled elevations; the crater rings are marked with orange inward-pointing hachures https://www.topolines.app/blog/topolines-2-0/geiranger-labels.webp Geirangerfjord drawn in teal and blue contours with elevation labels set inside the lines https://www.topolines.app/points/also/sheet.webp Points export in black on white with a margin band: a 2 km scale bar, a legend from 831 m to 3,540 m, and a north arrow https://www.topolines.app/blog/topolines-2-0/elevation-ramp.webp Contour lines coloured by elevation, from deep blue in the valleys to white on the summits https://www.topolines.app/blog/topolines-2-0/lidar-30m.webp Lauterbrunnen valley traced from the 30 m worldwide model: soft, rounded contours and a false depression on the valley floor https://www.topolines.app/blog/topolines-2-0/lidar-5m.webp The same Lauterbrunnen zone traced from swissALTI3D 5 m lidar: the cliff bands are sharp and the valley floor is flat https://www.topolines.app/blog/topolines-2-0/svg-in-figma.webp A TopoLines SVG opened in Figma, with separate layers for contour-labels, annotations and contours https://www.topolines.app/blog/whats-new-september-2026 2026-09-18 monthly 0.6 https://www.topolines.app/_astro/cover-whats-new-september-2026.DSew3W8o_1HEDO8.jpeg What's new in TopoLines — September 2026 A big update: DXF and GeoJSON exports, bare-earth GEDTM30 elevation, national 5–10 m data, your own DEM uploads and a redesigned editor. https://www.topolines.app/_astro/cover-whats-new-september-2026.DSew3W8o_23DmdB.webp What's new in TopoLines — September 2026