holoa

1. - qué es una IDE
- datos
- metadatos
- sw
- servicios
- estandares
- Qué es OGC
- Abrir el command de postgresql
create table test (id int, name varchar(25));
d
d geometry_columns
d spatial_ref_sys
- tipos de geometria:
POINT
LINESTRING
POLYGON
MULTIPOINT
MULTILINESTRING
MULTIPOLYGON
- siguiente las lineas de comando:
select AddGeometryColumn('test' , 'location' , 4326, 'POINT' , 2);
insert into test(id, name, location) values
(1, 'Colorado State Capitol' , ST_GeomFromText('POINT(-104.98716 39.73909)' ,
4326));
select id, name, ST_AsText(location) from test;
insert into test(id, name, location) values (2, 'Broncos Stadium' ,
ST_GeomFromText('POINT(-105.02101 39.74630)' , 4326));
insert into test(id, name, location) values(3, 'foo' , ST_GeomFromText('POINT(-
300 400)' , 4326));
select GeometryType(location) from test;
select ST_IsValid(location) from test;
select id, name, ST_AsText(location), ST_X(location), ST_Y(location) from test;
- Averiguar el codigo SRID del sist. de coord. a utilizar
SELECT srid, auth_name, auth_srid, srtext, proj4text FROM spatial_ref_sys WHERE
srtext like '%UTM%';
- Importar un shapefile:
shp2pgsql -s 4269 st99_d00.shp us_states > us_states.sql
- Link ejercicio android
https://developers.google.com/maps/documentation/android/v1/hello-mapview?hl=es