Viewshed analyses, typically the realm of expensive GIS software, show you all the areas that are visible from a given point. They can be useful for estimating radio effectiveness, planning photographs or simply checking out the view from a high point. CalTopo now supports them in easy, drag-and-drop form. slowly growing list of data analysis […]
Update: Based on user feedback I’ve swapped click-hold and shift-click-hold to better mimic the standard behavior. Freehand drawing is now enabled through shift-click-hold; click-hold will drag the map as usual. CalTopo now supports freehand drawing, allowing you to place lines by moving your mouse rather than individually dropping each point. This required booting Google’s drawing […]
As hinted at with the introduction of browser maps, you can now take CalTopo on the road, offline, without an internet connection. Download maps ahead of time, edit them in the field, and then re-upload them when you hit civilization – or simply take some layered map goodness with you for offline viewing. Step One: […]
I’m happy to announce a couple of long-overdue additions to CalTopo. The first, one-off maps, allows you to create and share a map without tying it to your account. You can also save maps to your browser using HTML5 local storage, which helps lay the groundwork for an offline version of CalTopo. And, maps are […]
CalTopo has supported PDF printing for a little while, but it was tucked away until I made sure that generating the PDFs wouldn’t overload my server. It’s now front and center in the UI, along with higher resolution PDFs and an important new feature – multi-page map packs. First off, clicking the print icon in […]
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