Tagged Questions
4
votes
1answer
68 views
Openlayers/Proj4js not transforming coordinates the first time
Something seems to be going wrong with my transformations. Before I added proj4js, transforming a coordinate went fine:
new OpenLayers.LonLat(-1.0, 52.0).transform(new ...
0
votes
0answers
140 views
Figuring out Latitude and Longitude from XY Image [closed]
I'm having difficulty calculating the latitude and longitude values of an image that I am hosting inside of a div tag on my webpage. I can easily figure out the x,y (pixel) coordinates of the image ...
0
votes
1answer
165 views
How to reproject layers (using GeoServer and OpenLayers) in order to overlay on the google maps [duplicate]
Possible Duplicate:
Openlayers and Geoserver: OSM/Google Maps and WMS Overlay
I am writing a code using OpenLayers. In this code, I want to display different layers in different zoom ...
0
votes
0answers
64 views
How do I determine programmatically what values to add to the proj4js constructor for a CRS or SRS such that I can iteratively render proper overlays
I think this is primarily a GIS based question as far as for example:
var crs = L.CRS.proj4js('EPSG:2154',
'+proj=lcc +lat_1=49 +lat_2=44 +lat_0=46.5 +lon_0=3 +x_0=700000 ...
0
votes
0answers
67 views
Proj4js accuracy compared to Proj4
Is there any lost of accuracy in reprojecting using Proj4js in the browser (compared to using server side Proj4 in Mapserver ) ?
3
votes
1answer
190 views
What's wrong with my Proj4 transformation?
I am having trouble converting a projected coordinate EPSG:28355 to WGS84 EPSG:4326 using Proj4js. I know by default Proj4 will not convert to EPSG:28355 so I went to spatialreference.org and got the ...
3
votes
1answer
611 views
Proj4js objects not readyToUse
I am using Proj4js to transform between WGS84 and a local Swedish grid RT90 (EPSG:2400). It works in FF, but in IE the Proj objects often is not readyToUse when I need them to.
I use this code to ...