Daily Shaarli

All links of one day in a single page.

October 26, 2017

Mod tile/Setup of your own tile server - OpenStreetMap Wiki
    Bare minimum hardware requirements

    RAM: 1 GB
    Disk: 200 GB

    Recommended minimum hardware requirements

    RAM: 4 GB
    Disk: 1 TB

    potential production hardware requirements

    RAM: 64 GB
    Disk: Many TB of 15,000 RPM RAID

A tester sur une machine qui à 200 GB de disque...

Placing points on an openlayer map
/* Création d'une carte vide */
var map = new ol.Map({
  target: "map",
  layers: [
    new ol.layer.Tile({
      source: new ol.source.OSM()
    })
  ],
  view: new ol.View({
    center: ol.proj.fromLonLat([12.5, 41.9]),
    zoom: 4
  })
});

/* Creation de point */
var rome = new ol.Feature({
  geometry: new ol.geom.Point(ol.proj.fromLonLat([12.5, 41.9]))
});

/* Création du layer de points */
var vectorLayer = new ol.layer.Vector({
  source: new ol.source.Vector({
    features: [rome] // Liste de points
  })
});

/* Ajout du calque de points à la carte */
map.addLayer(vectorLayer);