Newer Garmin GPSs (including the 62, Oregon, Colorado and Montana series) allow you to use KMZ (Google Earth) files as custom map layers. You can now export CalTopo’s map layers and use them with these devices. Go to http://caltopo.com/kmz.html or click Print and then choose KMZ. Navigate to the area you want to export Set the […]
I’ve supplemented the existing KML export capability with a new feature that dynamically generates KML files as you fly around in Google Earth. This means that you can get nationwide coverage from a single KML file, without needing export small areas on a one-off basis. Try it! Click here for USGS Topo mapsClick here for […]
CalTopo has always allowed you to print maps directly from your web browser. That feature isn’t going away, but it has some disadvantages: Poor Browser Support. You can make nice prints with Chrome, but Firefox doesn’t respect CSS print margins and if you’re not careful the map can easily bleed over into a second page. […]
Taking an image and turning it into a custom map layer through georeferencing is something that was previously supported – poorly – as a SAR-only feature. Storing and rotating the image server side took too much memory and wouldn’t scale well to a broad public user base. Now that all 3 major browsers support CSS image […]
I’m happy to announce that a topo layer for the canadian rockies is finally live. The “nrcan” WMS source has always been available from the candian government, but I’ve wanted to create my own tiled source as well. Why? There are 3 sets of topo maps available from the canadian government: Toporama is a WMS layer […]
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