creargeometria.py

from gvsig import *
from geom import *

def main():
  '''
  Crea una capa de poligonos con el siguiente modelo de datos:
     - "ID", Integer
     - "GEOMETRY", Geometry
  '''
  schema = createSchema()
  schema.append("ID","INTEGER", size=7, default=0)
  schema.append("GEOMETRY", "GEOMETRY")
  ruta  = getTempFolder()+'pruebaPoligono.shp'
  output = createShape(
      schema,
      ruta,
      CRS="EPSG:23030",
      geometryType=POLYGON
  )

  geom = createGeometry(POLYGON)
  geom.addVertex(createPoint(0,0))
  geom.addVertex(createPoint(10,0))
  geom.addVertex(createPoint(10,10))
  geom.addVertex(createPoint(0,10))
  geom.addVertex(createPoint(0,0))
  values = dict()
  values['ID'] =1
  values['GEOMETRY'] = geom
  output.append(values)
  output.commit()

  currentView().addLayer(output)