[OpenLayers-Users] Beginner issue

Sun Feb 21 11:40:45 EST 2010

you really need to post more code than that for someone to be able to help
you. Are you using proj4.js to change your projection? OL only uses a few
projections/coordinate systems natively.

On Sun, Feb 21, 2010 at 2:39 AM, ethio info <info.ethio at gmail.com> wrote:

> Hi, Please take a look at this site:
> http://projects.latimes.com/mapping-la/neighborhoods/.
> I have copied the source and cleaned it up of ads and so forth and have put
> in my data and I just can not see the overlay on the Google map.
> I will include the changes I made below.  The only thing I can think of
> that is blocking my overlay is the bounds.  Basically, I want the country of
> Ethiopia.
> Just to complicate things further, my overlay was showing when I did not
> use a spherical mercator projection but the overlay matched what is in
> Google maps ONLY when I zoomed in.
> so after reading some of the issues some people had, I figured I should use
> what is in the Mapping LA w/minor changes.
> Can someone suggest a solution?  BTW, the overlay switch works and gives my
> overlay as a check box option to click on but it is not displayed on the
> Google map
> Here are my changes to the Mapping LA Neighborhood source:
>
> var max_extent = new OpenLayers.Bounds(860986,-4383204,5870363,3600489);
>     index_map.addControl(new OpenLayers.Control.LayerSwitcher());
>
> var hood_polygon_371 = wkt_f.read('MULTIPOLYGON (((39.2968382026
> 8.8274792477, 39.3135039775    8.748488041, 39.3016324666    8.742095689,
> 39.3036871512    8.7357033371, 39.269899005    8.6920983646,
> 39.2315448931    8.6608214995, 39.2265223308    8.645982111,
> 39.2479823696    8.6108241751, 39.2249242428    8.589135838,
> 39.2221846634    8.5756662392, 39.2306316999    8.5656211146,
> 39.257114301    8.5601419558, 39.2502653525    8.5464440587,
> 39.2139659251    8.5220161421, 39.1744703218    8.4606039034,
> 39.0858905871    8.385037171, 39.0758454626    8.3950822956,
> 39.0381762455    8.399419963, 39.0363498593    8.5128842107,
> 39.0671701278    8.5432478827, 39.0655720398    8.5562608849,
> 39.0872603769    8.5968979797, 39.0874886751    8.6528310595, 39.10415445
> 8.6825098366, 39.0982186945    8.6939247509, 39.1075789242    8.7101339291,
> 39.1603158281    8.742095689, 39.1840588498    8.7877553461,
> 39.1767533046    8.8019098398, 39.2014095194    8.8146945437,
> 39.2057471869    8.8039645243, 39.2199016805    8.8012249449,
> 39.2461559833    8.8299905288, 39.2710404964    8.8224566854,
> 39.2968382026    8.8274792477 )))');
> hood_polygon_371.data = {'slug':' 371', 'name': '371'};
>
> var hood_polygon_260 = wkt_f.read('MULTIPOLYGON (((39.506872625
> 9.3384108099, 39.5290175587    9.3116999105, 39.510068801    9.2838475198,
> 39.522853505    9.2751721849, 39.4963709039    9.2509725667,
> 39.5105253976    9.2502876718, 39.5089273096    9.2354482833,
> 39.5290175587    9.2133033496, 39.5598378272    9.2203805965,
> 39.5456833335    9.1938979954, 39.5376928935    9.1470968469,
> 39.5771884968    9.0621698849, 39.5447701403    9.0523530586,
> 39.4872389725    9.0171951227, 39.461212968    9.0137706484,
> 39.4299361029    9.0452758117, 39.4004856241    9.0596586037,
> 39.3701219522    9.1025786813, 39.3758294093    9.126321703,
> 39.3498034048    9.1690134823, 39.2920439386    9.1770039223,
> 39.281085621    9.1865924503, 39.2514068439    9.2676383415,
> 39.2509502473    9.3203752454, 39.2584840907    9.3308769665,
> 39.266702829    9.3265392991, 39.3011758701    9.2909247666,
> 39.3253754883    9.3107867174, 39.3824500596    9.293664346, 39.434045472
> 9.3477710396, 39.4589299851    9.3511955139, 39.506872625    9.3384108099
> )))');
> hood_polygon_260.data = {'slug':' 260', 'name': '260'};
> var hood_vector = new OpenLayers.Layer.Vector("Wereda");
> (hood_vector.addFeatures([hood_polygon_260,hood_polygon_371);
>     var lon = 4387103;
>     var lat = 1007363;
>     var zoom = 0;
>
>
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>
>

-- 
Nicholas Efremov-Kendall
Fulbright Student 2009-2010, Ukraine
nefremov at artsci.wustl.edu
c/o Halyna Yerko
Balzaka 92a, Kv 27
02232
Kyiv, Ukraine
(mob) +380963576524
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