You have an umbrella and consequently a shelter, not to worry. You need 3 poles as normal. The advantages of this tent a short time of its creation, the vastness of space for sleeping, cooking and save fuel.
The main umbrella or tent you can use to help build it. If you have an umbrella standard single mast with a length of 3.5 to 4.5 to 3 meters in length and a diameter of 5 cm need. The steps shown in note form.
The construction of the tent to drop and the wind direction and open up the roof to a fire inside carefully.
One Person pig shelter
In places, forest and mountainous tree this simple technique you can create a shelter. The advantages of this method does not require a tool. A tree as tents and other wood perpendicular to a length of 2.5 to 3 meters and a diameter of 3 cm for leaning to find it. Then stick close to the tree with a rope or tree branches. With a veneer of canvas or similar you have a shelter. Just do not forget the ears hung cloth with wooden peg in the ground or into or out of shape stile. Try to tilt the tent as the wind blow straight from the hole into the tent. If the tree you are not a stick in the Y direction perpendicular to the use of tents.