proj4js

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GIS: How to resize layer using .prj (WKT) projection? (Geographic Coordinate System)

Briefly: How to parametrize .prj WKT file so that I can perform 7 point tranformation (wiki). I know how false_easting and false_northing params work, but how can I adjust scale? I do not mean scale_[详细]

2023-03-18 09:50 分类：问答
Openlayer Projection

I want to zoom to a particular hou开发者_JAVA技巧se in the google mapS, but when I provide its bounds and lattitude and longitude,it does not show images as well as the particular house. Can anyone pr[详细]

2023-01-31 18:03 分类：问答
What is the proj4js projection code for the Gall-Peters Projection?

Does the Proj4JS library support the Gall-Peters projection? I can\'t see开发者_如何学Pythonm to find a projection acronym for it?The code you are looking for is \"cea\" for Cylindrical Equal Area.[详细]

2023-01-26 13:56 分类：问答
how to call parameterized javascript function in the WebKit?

I am trying to pass 2 parameters to a javascript function.This code webview.loadUrl(\"javascript: function_to_call();\"); works fine without parameters but i couldn\'t use it with parameters.[详细]

2023-01-25 22:09 分类：问答
Adding Panoramio Photos To An OpenLayers Map

I have a pretty well integrated OpenLayers map that I want to add photos from the Panoramio API to.Unfortunately, it seems both API\'s are under documented on this subject.I found one great tutorial h[详细]

2023-01-25 03:38 分类：问答
How to transform a distance from degrees to metres?

I\'m using OpenLayers with an ordinary mercator map and I\'m trying to sample a bounding box by finding a grid of points in latlong.[详细]

2023-01-23 20:09 分类：问答
Overlay for plotting MGRS

I\'m trying to plot MGRS lines over a map in an overlay using OpenLayers (JavaScript). Where I\'m really having problems is identifying the strange squares (non-100kmx100km grids). Does anyone know wh[详细]

2023-01-23 19:30 分类：问答
Precision error when transforming coordinates using proj4js

I am using the library Proj4js to transform coordinates. I\'m transforming coordinates from EPSG: 23029 to EPSG: 4326. The problem is that by transforming the coordinates there is some deviation from[详细]

2023-01-21 06:44 分类：问答
Coordinates conversion

I am working over a small component for a web portal that show polygons over a map, using OpenLayers,Google Maps, and another proprietary source .[详细]

2023-01-21 04:54 分类：问答
map geo coordinates (lat, lng) to map (x, y)

I have the geo-coor开发者_如何学Pythondinates (latidute & longitude) of some cities and would like to get the x,y coordinates so can plot them into a map.[详细]

2023-01-16 22:19 分类：问答