If this is the case you could use TopoJSON to reduce the amount of geometries of your 1km grid. So you can then print out a map from that etc. Then use the KMZ from to load OS grid lines in Google Earth, these will show as an overlay on top of the map. Use the KMZ link from OSM in Google Earth to display OSM map tiles in it. WARNING: depending on the area you want the 1km grid to cover this file could be huge and if loading as a vector layer (option 2 above) then the performance would be terrible. One possible way of doing this: Download and install Google Earth. One way is to use QGIS use Research Tools> Vector Grid to create the 1km grid. You could use KML or GeoJSON as the vector overlay Adjust the 'gridsize' variable to the degrees you need for your grid. This is straight forward and would only need you to have the 1km grid.Ģ) Write your own leaflet or OpenLayers html page with the base map as OSM or Google and then overlay the 1km grid as a vector overlay. Or both of these services allow you to embed an iframe into your own webpage which you could host on your web server. And then send the URL of that page to people who want to see it. The short form might be more legible on the Google Earth display.
Pick grid color and line weight for primary and secondary grids Pick intervals for both of the grids. There are several ways you could achieve thisġ) use some sort of online GIS platform like GIS Cloud or MangoMap, where you could upload your 1km x 1km grid and have OSM or google as the base map and then save the project and make it publicly accessible. but can overprint important map information.
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