[mapserver-users] gml_[item name]_precision for GeoJSON WFS

[TC Haddad]

Thank you, I had not set gml_ID_type "Real" - however setting:

      "gml_ID_type"           "Real"
      "gml_ID_precision"    "0"

still results in one decimal:

{
"type": "FeatureCollection",
"crs": { "type": "name", "properties": { "name":
"urn:ogc:def:crs:OGC:1.3:CRS84" } },
"features": [
{ "type": "Feature", "properties": { "ID": "91.0", "NAME": "10th and
Neacoxie Avenue", "OWNER": "Gearhart, City of", "CTYPE": "Beach",
"ATYPE": "Vehicle" }, "geometry": { "type": "Point", "coordinates": [
-123.92739999997939, 46.030950000943108 ] } }]}


however your hint got me to a solution that skips precision altogether,
apologies for missing it before:

"gml_ID_type"             "Integer"

results in:

{
"type": "FeatureCollection",
"crs": { "type": "name", "properties": { "name":
"urn:ogc:def:crs:OGC:1.3:CRS84" } },
"features": [
{ "type": "Feature", "properties": { "ID": "91", "NAME": "10th and
Neacoxie Avenue", "OWNER": "Gearhart, City of", "CTYPE": "Beach",
"ATYPE": "Vehicle" }, "geometry": { "type": "Point", "coordinates": [
-123.92739999997939, 46.030950000943108 ] } }]}


many thanks!


On Mon, Mar 10, 2014 at 12:40 AM, Martin Kofahl <martin.kofahl at gmail.com>wrote:

Hello,
> did you set gml_ID_type "Real"?
>
> Kind regards, Martin
>
>
> 2014-03-10 5:35 GMT+01:00 TC Haddad <tchaddad at gmail.com>:
>
>>
>> Hello, I'm trying to use "gml_[item name]_precision" and having trouble.
>> I've tried:
>>
>> gml_ID_precision   0
>>
>> which fails with "getString(): Symbol definition error. Parsing error
>> near (0):(line 14)", and:
>>
>> gml_ID_precision   "0"
>>
>> which succeeds in producing GeoJSON as expected but the setting seems to
>> be ignored, e.g.:
>>
>> {
>> "type": "FeatureCollection",
>> "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
>> "features": [
>> { "type": "Feature", "properties": { "ID": "91.00000", "NAME": "10th and Neacoxie Avenue", "OWNER": "Gearhart, City of", "CTYPE": "Beach", "ATYPE": "Vehicle" }, "geometry": { "type": "Point", "coordinates": [ -123.92739999997939, 46.030950000943108 ] } }]}
>>
>>
>> The docs say:
>>
>> *Precision is the number of decimal places, and is only needed for "Real"
>> fields*
>>
>> I'm not sure what "Real" fields mean, but I am trying to use it for the
>> ID field, so maybe that is why I am failing?
>>
>> I'm using Mapserver 6.2.1. with:
>>
>>     OUTPUTFORMAT
>>         NAME "GEOJSON"
>>         DRIVER "OGR/GEOJSON"
>>         MIMETYPE "application/json; subtype=geojson"
>>         FORMATOPTION "STORAGE=stream"
>>         FORMATOPTION "FORM=SIMPLE"
>>     END
>>
>>
>>
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>>
>
>
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