Re: [pmapper-users] measuring projections...

2012-05-29 Thread Armin Burger
Base maps can be re-projected if needed. A rectangular projection suitable for larger areas is Lambert Equal Area (which, as the name suggests, allows acceptable area calculations). An example is EPSG 3035 that fits for whole Europe without too much of distortions at the edges. You can define a

Re: [pmapper-users] measuring projections...

2012-05-29 Thread Chris Jackson
Hi Armin I use another webgis system that splits out the map display from the geometry side - hence the thought, and have some basemaps that prefer web mercator. Trouble is have a new project that has an initial extent that is really a bit big for a local grid projection, so just feeling out the

Re: [pmapper-users] measuring projections...

2012-05-29 Thread Armin Burger
On 29/05/2012 09:30, Chris Jackson wrote: > Hi all, > > Is it possible to have PMapper displaying the map in say Web Mercator and > then measuring distances and areas from a local grid system? > in p.mapper 4.x not without some rewriting of functions in pm.draw.js (and usage of proj4js). In p.map

[pmapper-users] measuring projections...

2012-05-29 Thread Chris Jackson
Hi all, Is it possible to have PMapper displaying the map in say Web Mercator and then measuring distances and areas from a local grid system? Many thanks Chris -- Live Security Virtual Conference Exclusive live event wil