Arrange cresent rolls on large pizza pan and seal with a rolling pin. Bake in 350 degree oven for 10 to 13 minutes.
Combine softened cream cheese and chives with a mixer. Spread on cooled pizza dough.
Slice tomatoes in thin circle slices and then cut each of the slices in half crosswise to make a semi-circle. Arrange around the edge of the pizza like a pinwheel.
Fill the center of the pizza with remaining chopped vegetables, sliced olives and top with grated cheese. Cut in pizza pie slices to serve.