.pnts点云

一种3d tiles格式 

MIME格式：

<configuration>
    <system.webServer>
        <staticContent>
        <remove fileExtension=".json" />
            <mimeMap fileExtension=".json" mimeType="application/json" />
        <remove fileExtension=".pnts" />
            <mimeMap fileExtension=".pnts" mimeType="application/octet-stream" />
        </staticContent>
    </system.webServer>
</configuration>