[OpenLayers-Users] OpenLayers do not detect Proj4js

[Andreas Hocevar]

Bart is right.

Andreas.
On 11 Feb 2014 19:11, "Bart van den Eijnden" <bartvde at boundlessgeo.com>
wrote:

> My guess here is that OpenLayers 2.10 is not compatible with Proj4js 2.X.
> Try Proj4js 1.1 instead.
>
> Best regards,
> Bart
>
> --
> Bart van den Eijnden
> Front-end Developer | Boundless
> @boundlessgeo
>
> On 11 Feb 2014, at 17:58, Juanma M. R. <juanma.mr at gmail.com> wrote:
>
> Hi,
>
> Thank you Robert. I already included a file with the CRS like that:
>
> <script TYPE="text/javascript" src="proj4js-2.1.0/lib/proj4.js"></script>
> <script TYPE="text/javascript"
> src="proj4js-2.1.0/lib/spider_srs.js"></script>
> <script TYPE="text/javascript"
> src="OpenLayers-2.10/OpenLayers.js"></script>
>
> with one line for each CRS like the ones from spatialreference.org:
>
> Proj4js.defs["EPSG:900913"] = "+proj=merc +a=6378137 +b=6378137
> +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null
> +wktext  +no_defs";
> Proj4js.defs["EPSG:4230"] = "+proj=longlat +ellps=intl +no_defs";
> ...
>
> and it thorughs the error:
>
> "ReferenceError: Proj4js is not defined"
>
> The object Proj4js is not defined but the proj4.js file gives no error. Am
> I using a wrong object name for including the defs strings?
>
> Cheers,
>
> Juan Manuel Moreno Rivera.
>
> Sección de Teledetección y SIG / Remote Sensing & GIS group
>
> Instituto de Desarrollo Regional / Institute for Regional Development
>
> Universidad de Castilla-La Mancha / University of Castilla-La Mancha
>
> Tlf: +34 967599200 (Ext: 2623)
> http://www.teledeteccionysig.es/
>
>
> 2014-02-07 1:35 GMT+01:00 Robert Sanson <Robert.Sanson at asurequality.com>:
>
>> Hi Juan
>>
>> You are missing the .js file name in the first <script></script> block.
>>
>> Here is some code that works for me:
>>
>> <script src="lib/proj4js-compressed.js"></script>
>> <script src="lib/EPSG2193.js"></script>
>> <script src="lib/EPSG4326.js"></script>
>> <script src="OpenLayers.js"></script>
>> <script type="text/javascript">
>> var xys = map.getLonLatFromViewPortPx(e.xy);
>>       easting = xys.lon;
>>       northing = xys.lat;
>>        var tempgeom = new OpenLayers.Geometry.Point(easting,northing);
>>       //now re-projection to WGS84
>>       var src = new OpenLayers.Projection('EPSG:2193');
>>       var dest = new OpenLayers.Projection('EPSG:4326');
>>       OpenLayers.Projection.transform(tempgeom, src, dest);
>>
>> regards,
>>
>> Robert
>>
>> >>> "Juanma M. R." <juanma.mr at gmail.com> 7/02/2014 3:23 a.m. >>>
>> Dear list,
>>
>> I am trying to reproject in client side using OpenLAyers but I have
>> problems to find how to make OpenLayers detecting Proj4js. The proj
>>
>> The source code for including OpenLayers and Proj4js is:
>>
>> <script TYPE="text/javascript" src="proj4js-2.1.0/dist/"></script>
>> > <script TYPE="text/javascript"
>> > src="OpenLayers-2.10/OpenLayers.js"></script>
>>
>>
>> The source code for reprojecting is:
>>
>> olb = new OpenLayers.Bounds(b.minx,b.miny,b.maxx,b.maxy);
>>
>> var srcprj = new OpenLayers.Projection("EPSG:23030");
>> >
>> var destprj = new OpenLayers.Projection("EPSG:900913"); //A definition of
>> >
>>
>> newOlb = olb.transform(srcprj, destprj);
>>
>>
>> The OpenLayers.Projection method creates a Projection object but the proj
>> instance, the property of Projection type, is null in both cases. So I
>> imagine it is not capable of creating it. I have the documentation but
>> maybe I am missing something so obvious ... the final result is that the
>> coordinates of the new bounds are a copy of the original ones.
>>
>> The other question is how to declare the "EPSG:900913". I have included a
>> file with the Proj4js.defs for each EPSG code to be included but when I
>> add
>> the line to include this .js content it teels me that Proj4js is not an
>> object.
>>
>> So, I am doing something wrong integrating the proj4js and OpenLayers.
>> Could anyone help me? Just pointing to the right docummentation to
>> configure OpenLayers with Proj4js (I have already tried copying proj4js in
>> the same folder as OpenLayers.js but t didn't work).
>>
>> Cheers,
>> Juan Manuel Moreno Rivera.
>>
>>
>>
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