Results 2 comments of wumanho

> Hi @wumanho, what are you attempting to pick in this example? The terrain or the pipes beneath it? What values are you expecting see? Hi @ggetz , sorry, I...

Of course! :slightly_smiling_face: ## Full error text in case 1 [Sandcastle example](https://sandcastle.cesium.com/index.html#c=tVj7c9vGEf5XWPUHUzPU6XAP3B2tOLVlpfbUsjyR4kym6nRAAhIxBgEOAEpmM/7f++3hQRJU0jhN/BgC99j3fruLeZFX9eghTR6TcvTNKE8eR+dJla6X7KNfG98ezf37eZHXUZon5e3RZPTzbT4a1UlZYmXaXbhp3tldWSx/LMosbhfGx5Pb/Mvx89v8Nj89bXmxap7kCVul8083ZZRX2Rrv9etkVS8gRl2uk9t87mVbRHmcDYW7npdJkl+vonly8YCLb5pD4z3i8yh/iKrj27wlwaqkfpuv1vXLeZ0W+XicHH/zwqvScFoVVUobYHUg5Id2b5ywJI+7t+Pt5fsyWi3SOe62Ip5HZV20q94mtICtKB+vDq9nUb29ehnVC1YXr5N7aFmNOyI4k9brONm9lt//72tFfj+8t0jS+wVx7A41C92BIktw7X7crE6eNb/PQODL5Bc8cLNZJezy6ofri39fXn28OCZvN7y8EQc2fd5t3mfFjDYbS/s3HyjNe7Vlch4tkzKiKCyLjJyZ5NEsS87xklaw5eukTuat9+6irCIynhyr+/iab8gRef0d6L3MVovo1eZ1WtVRPk/2w+t9EpXfReX1PMoipACsojhnfEJP3a/tVwL/2wR465bO5CB7IpkVOrC9yp0bsaclCwIjtnu9X4xg29WdwNwJLh9L0odW5/Ke76TnMmlpHvfU1mUGQrdHjJ1eR8tVlryO6uh0WcRJVp1+iMr5uySKL5Hqey/wzez2aEdH+DytN1u/+vc0qVgUx2OfVTlcNiV23kqdEtP+yS97vtMGUUY4nG5vfNniRmeHbHO/m5+HPNsjPcFFiqgp54vNdNe/H5pTb7rNcXN49OvmfQk427zx1qzG/+yujLyHAy2MdaETQkobmIl3rVBaBEpwaZ1z4WQkEDKCG+OUE0oIofVkQCXUTmvORRg4HoQtFa21k0rjL9dERDOrrVRShk7jxpCI4IF2zhIDnFUtEWmxwkMdOi5BRHIclKEIneGhU1oOJXE2DI3mEmy56PSRRlmNZWuUJlGEZloKkOChcNKF9oAKBLDKhTIwynT6KK5syDm3QhCNAJKEBn8ktFZSDGkYLUNpDXcQx7YkhAklCEonTajIJo45FcjQWLKq4YeGdbCj1C5wDnbrqFitlXHYJQ1FwJkLYRKyVRhIrA2JhNZAksBqyY3siDinuFRCKUOSBEADGJ4kM3CaO5SE3AZDasttT0RyrjlCyIBwQ0Rop4SDMGAn1AERYZTkCmYXMuglsYEyAcINEhERwaQOOBR3HMZRB+poZxT0hIVV4LZEOGI11IEJvSSKWeMMTsDgeDrwsIaUCHw4GfJ02oCqlmRZ2fjGCMQAREWs8R3f/Ou4fex+lxGaijTK+p4C8F6U7N3bywv2mNYLD9pjznR3YZ5FVZXepfOIAIVq0PbqwRa7ufj++5dv3/8yuGTpbqV6Gl3oTA8vHZRV098DHWRAjkxVyEw4IZRdPCBvYE04XyuCDRuywBq4BNmE4A4m+wSc5ZSaZN2wJ6Al/iHsjTaehGUILg8CCsGp9kgEwBptEN4SyR10FIwLLDdhoH0gOCSHcJCRywCSuAEBZDm3AcIFSdahBedIXeUAOYJEcIIhYQXyinJM2AEFHVoHqEFi6R60OLIAsWucCFxLgkANGQR5zUCJADglA8oWEXY4gRQB1FpLEe7N4BjFJtAqCAOfbPskkNjKANEQ1aIjEUpB4hlgC1FQjCOpgAJwjtQ23KdAiAulhSZo7XKKGyxIB8DDDaLBYV+AY2ABWHJIAeHgk0mZHndhWggBXzrpTWlCBs2AM8heY7UYUECFAXsTBAC4jgLQhLxhuSBsMAFJYAgprEL67hOQsBCXQFKqVJ0v4GPEEqoCwBgUQsnIt4qEslgfUDAiDBWVBMB8JwMZwqKumMDjkzaM0NSGsAoUCQZCwGQa4Ar4DyBQRwIn4U/a4J4GigdYaSss/BOYgT9BWEATZ3GjlwKxgBwCxjaFEIkBxxjSxSAEhwRQXxBO0kHA3hJUvxHIkjsioBmXAGkZWKVRPgYEgJAAU8Av2a7D2AAOBcjCmK6pxegULNUXyBEOdNCIHIQCnQ/CHqVRdXigFBeuKaFSyoCEooLBB5aEgxByBrtIhi6kkEUcXQWKd+AruWTwbAgXhzhtuNwngV4AOWAdgrJvbqAyHAw3CbIMUYAzkYFCIe4GIEXoFkJpsDQi7D2hAXQofKinXgbFyLGSlEOwS71Pwkr4CbUJZdLprTeRESHsC1hqhEATANECwiHVebMvNI9pXC+mI3tQbwbNIYH81bqmn8v2zIeyWCVlvRn/3Ek1p+I0KFU/Xbx7d/VjL3jR0PixYSuG6+dPUHj17uX5P9qDX3bq3HJ1U/y9LNZ5PPXz8dNVjErXJbXUKGPNlL4z/Vz4kWn3/l0UJ9shaNpMTn6nWhSPHzFRFSWNB7s7ERXhKeYg8s8Xz7tV4FNezD9BNRq55p/GvSzb2aMuimwW0TAfF/P1EhWW3Sf1RZbQ46vN23h8e9SeuT2ia0PK0WqVbV6leZzm99WWw6SjTHfuinI0bvjRCDJK861ZjhurpHej7WW2iKqrx7x3MF06Pu5K/FACyHs1q5LygWy5K4G/xqr1DFNrOkvG61WM0CGB4CdYigx1t86bIbXZHLdcnhhUm/E2bruRRs4nfOnNPxplSd34Beffr5ez9lNIc81vNHJ0Z/6SVu+j9+NmZ/Rtuz6lUXbv3O6XBR+DzZWJn4Lp9HErwFeM2izHdP0xytbUanlyz7+Wwt2WwFbN/VhunPctydg8TnteO3MiozDfo7If9893u77fcBhO7jzrGQ2+R9EnDPoKRd/WGhyJk6pO86gZjHdAaNtGtrOpxJCkQs1Qy1AN0G11CH2CPgTFB1MH4FSFONbhpqa2wRqGgqtD9HgN6jWQUpQpMu6Q7xuM+0itD2k9X3xfZFnHnaF1xJjItaZybXTXe50ABmgYo08cyqCyhx3mhkxgGDPohKhlEO0g1HBP8th/9UOmLqc7QVamnxV7+/ri/c3bm5+20PaUFe+yzU3x9TZETwWJNfV/6OG2JtTooNFko+CjiaCWpTMhumBlGKYozFKYff8fE6I2K0ENHo2HmIm3JhTUyaFi0byMcdyIXRsa3yWicbdK7rCP12XLu/kOBVuNjiZHZ1W9yZIXXaH5W7pcFaX/6DNm7LROlqsM4VmdztbzT0nN5lXVIAP9+WsHzz9vh7wZkPy+LTvl/SwaK3TB3X/O7PY2EgWDEjSfjtTq887yrCjjpDwpYZZ1tb/55YB1Sh9odwV4ACZjiMtOoiy9h7bLNI6z5JDrSV2sUGL3OHdbs6Kui+X+7iFrtoDnkj3t7wBAJ49+bptCjyweXj873bX3WZw+jNL4myc+mjejKnbu1ll2nf4nuT16cXaK8wdXs8LHzxUUz6INHVsEL941i4yxs1O8Pn2zr5y9+89qqhIvtgqd1bMi3uws0FK5904r8YubHSAetcXo7BQbh0f3V7DW+LDGyE2WWCTzT7PiM0wAYIxOZije3XLTixwUtR0FWopDxlgof4MS38Gfo9lmFLdF4U9RYFB3/ijZr6nYPPji4vn+KbLvF7A/THZfr3+XwAiGe9gQWZ7jDchGz9FnPAf+uaqTld8IBio9UD/Q1vjJyL/94CvxdPTMc3h2oN2Qd518rokFkhNv+lcYfLWh8LqXd3jfSczdbP4v) DeveloperError: This object was destroyed, i.e., destroy() was called. Error at new DeveloperError (https://sandcastle.cesium.com/CesiumUnminified/Cesium.js:10067:13) at Imagery.throwOnDestroyed (https://sandcastle.cesium.com/CesiumUnminified/Cesium.js:22327:13) at...