Plastic rockery has been widely used in garden landscaping art. Its phantom can be seen in theme parks, scenic spots, amusement parks, eco-tourism areas, etc., which shows its status in the current garden landscape. The plastic stone rockery has a peculiar shape and a beautiful shape, but such characteristics make its appearance uneven and extremely irregular, which makes it difficult for engineers and technicians to calculate its surface area. The commonly used formula calculation method, posting calculation method and barbed wire usage calculation method in the industry estimate its surface area. It is conceivable that the accuracy of the calculation results will be greatly reduced.
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