geobabbler

if (_draw == null)
{
_draw = new Draw(BoundMap); //private class-level variable of type ESRI.ArcGIS.Client.Draw
_draw.DrawComplete += DrawCompleteHandler; //subscribe to the DrawComplete event
_activated = true;
_draw.IsEnabled = true; //enable the Draw object
}
_draw.DrawMode = DrawMode.Point; //set it to Point mode

geobabbler

import requests
from pprint import pprint

r = requests.get('https://api.stackexchange.com/2.2/tags?page=1&pagesize=100&order=desc&sort=popular&site=gis') 
data = r.json()
print "tag,count"
for tag in data["items"]:
	print tag["name"] + "," + str(tag["count"])

geobabbler

gdalbuildvrt 6.vrt 6/*.png

geobabbler

python tile_grab.py -b -158;21;-157;22 -d E:\tiles\oahu_img\a -i false -z 6 -u http://www.someserver.net/arcgis/rest/services/ImagerySvc/MapServer/tile/{z}/{y}/{x}.png

geobabbler

app.get('/leonardtown/buildings/:geom', function (req, res, next) {
  var client = new pg.Client(app.conString);
  var geom = req.params.geom.toLowerCase();
  if ((geom != "features") && (geom != "geometry")) {
      res.status(404).send("Resource '" + geom + "' not found");
      return;
  }
  var tablename = "leonardtown_bldgs";
  var schemaname = "public";
  var fullname = schemaname + "." + tablename;

geobabbler

//SQL to retrieve schema
//var sql = "SELECT n.nspname as schemaname,c.relname as table_name,a.attname as column_name,format_type(a.atttypid, a.atttypmod) AS //type,col_description(a.attrelid, a.attnum) as comments";
//sql = sql + " FROM pg_class c INNER JOIN pg_namespace n ON c.relnamespace = n.oid LEFT JOIN pg_attribute a ON a.attrelid = c.oid";
//sql = sql + " WHERE a.attnum > 0 and c.relname = '" + tablename + "' and n.nspname = '" + schemaname + "';";

//SQL to retrieve layer list
//sql = "SELECT 'geometry' AS geotype, * FROM geometry_columns UNION SELECT 'geography' as geotype, * FROM geography_columns;";

geobabbler

/**
  * retrieve all features that intersect the input GeoJSON geometry
  */
  app.post('/vector/:schema/:table/:geom/intersect', function (req, res, next) {
      //console.log(JSON.stringify(req.body));
      var queryshape = JSON.stringify(req.body);
  //continue with the rest of app.post

geobabbler

curl -X POST -d "{ \"type\": \"Point\", \"coordinates\": [-98.35, 39.7] }" -H "Content-Type: application/json" http://localhost:3000/vector/public/states_gen/features/intersect

geobabbler

exports.getFeatureResult = function(result, spatialcol) {
      var props = new Object;
      var crsobj = {
          "type" : "name",
          "properties" : {
              "name" : "urn:ogc:def:crs:EPSG:6.3:4326"
          }
      };
      //builds feature properties from database columns
      for (var k in result) {

geobabbler

/roll up the results
query.on('row', function (result) {
  if (!result) {
      return res.send('No data found');
  } else {
      if (geom == "features") {
          coll.features.push(geojson.getFeatureResult(result, spatialcol)); //use helper function
      } else if (geom == "geometry") {
          var shape = JSON.parse(result.geojson);
          coll.geometries.push(shape);