[mapserver-users] mapserver CGI GeoJSON output
Li Quansheng
quansheng.cs at gmail.com
Wed Apr 18 01:31:04 PDT 2012
hi Steve,guys
I really don't know where the coordinates are truncated or not. In facct,
I couldn't find the reason cause the output problem.
the output is as flowings:
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"id": "1",
"geometry": {
"type": "MultiLineString",
"coordinates": [
"coordinates": [[84,42 84,42 84,42 84,42 83,42 83,42
83,42 83,42
83,42 83,42]]
]
},
"properties": {
"gid": "1",
"type": "70",
"name": "name111"
}
},
...
{
"type": "Feature",
"id": "3",
"geometry": {
"type": "MultiLineString",
"coordinates": [
"coordinates": [[83,42 83,42 83,42 83,42 83,42]]
]
},
"properties": {
"gid": "3",
"type": "70",
"name": "name333"
}
},
....
........
]
}
But I exectue the SQL from pgAdmin III,select
gid,type,ST_AsGeoJSON(the_geom) from tielu
IN pgAdmin I output the SQL so you can see the output exactely,
{"type":"MultiLineString","coordinates":[[[83.981538,41.839139000000003],[83.945753999999994,41.838410000000003],[83.916893000000002,41.834904999999999],[83.687324000000004,41.810006000000001],[83.232517999999999,41.753878999999998],[83.223220999999995,41.752234000000001],[83.221637999999999,41.750559000000003],[83.216065999999998,41.741002999999999],[83.144756999999998,41.724834000000001],[83.030783,41.697861000000003]]]}
{"type":"MultiLineString","coordinates":[[[83.022717,41.695501999999998],[83.022499999999994,41.695433000000001],[83.007728999999998,41.691218999999997]]]}
{"type":"MultiLineString","coordinates":[[[83.030783,41.697861000000003],[83.029948000000005,41.697662999999999],[83.028228999999996,41.697189000000002],[83.025898999999995,41.696514000000001],[83.022717,41.695501999999998]]]}
.....
.....
If there is nothing wrong with my template file xj1JSON.tmpl, the
"coordinates" of GeoJSON output should match with the
ST_AsGeoJSON(the_geom).I have no clue.
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