CesiumGS / CesiumGS/cesium

Using orthographic frustum would cause the silhouette of model loss

Open
#9,489 4 comments 0 reactions 0 assignees View on GitHub
type - bug
Dominant language
JavaScript
Stars
15.7k
Forks
3.9k
Avg merge
4d 6h
Merged PRs (30d)
34

Description

Sandcastle example: https://sandcastle.cesium.com/#c=xVh5b9s2FP8qhPdHZECR7Rxt5zjZkvQKsCxdk3Yb4mKgJdomQpECSeVYke++R1K3lDaH0wUwIl7v/d79yEss0SUlV0SiXcTJFTokiqZx8NnOedNeaMeHgmtMOZHTno++TjlClM/FgbgeozlmivhmShFGQk0FP+IRDbEWsra6xJG4UvUpkbJon9MYazJGWqZm/ra/M+VTfgnICNdU39jhPOWWNloQfSiYkAeM8OhYRMQLa8O+wyeJTiXPxamfOK+fCLT4lCREHmJFvP4XYHfbydEx+h3HxEeYJUucsTJI7RKosMrvvNjf5tAJMJhLEe8byo6VjxIsFXnLBNae49jP0Q0G6GxJrO2MDAy0h8MLhTRMKg36RGKORCpRTDlFOEmYMQmIEzjVlgd3nRSW4xhNex9JBFYupsBi59Pen0uqiTF+vg4f7yQh3H0esDRb/ZswJq7yDfhm2vtiaVn4YzQKhiXpwgKG7Xu6WDL46SrzYodDUd1jkSQMhxnjY3qd8yqP7sci5XqMhsF258objmeMRDWnpAzckmhNDtsaaSw6VI9TSElqv66acuGU/guq2bDztzuZ1SEUL4nU1tClEWMSz4hUEJZaoAsuwguRaiRmishLI6ICs2eulq8G1mO8gkY/53BAedQgD0TNxOuTYwRBHkNcKuNfZu7TEfzDGoWYMTSHIKA6czEtBJthExWRCFNzKIBQeuPOH9wcRZBesj3TnuHeBGi89sagoXyhSqB+TtkhbpwyKjR8TgrZqychoRnDAT+7T6UzFUo6I14R7R5kwc8YzJdFN8qyUBAbCkEe6EVSyLf7pboCF6s2zG8fBdISWCHIElqWWIrzTwBZj9AHoS1SZnG8grbM7HWUXUJWz9cnsiMNyduxj3bdRtQCtLvbXT6C46O/VqI2h+OJZq5QAh1UCsYqTNzId4+H2iBU9c1c/UUg5ROl6Rq50m1YjVz7T4u0e8jVJYbd4TclX6VcpnasQixD5x5+VRAOJYHmwwLyUgmglsQU7LxVsm1lYHlRKEqSxOISbMA8R8ZlhkQoaomVAYilhi/MN22P9JosoNSqTMXro43NYPhya+vF6OdMp1tbwXB7uPly+CKbcCjMt4Nt2CwJNpWl5HKM9RJatY8wjbnyRpvb5eaE6nAJW4fFjBSM1SaWSaOJfu8YfDBHP8JuL+PoO2q+JVGyEJKCYnBd8jMJUKCsxipYNsj9kYKmJYftmSJyveUyJzIX2Px3BgbKTSPgKPIyJ+DQrI6RsVud4rhJu4J1XB1ky9aLxrlrIaBIq2SR7UrjNP5Arwlzbc5o41W5iq/N6in0FKYBGsKfX8vS42+UtmYZ9rvz+7ij3nQVC3un6KCRt5aVyLi71pQEWu1lK1/cJ2N8NzmC2TtYOk13Iq5vyg/f+kWMF8Fr20YSvcndqbikIeRabK4EIwETCy87EYJXSRyoK+O5Z+JE6qVYSJwsafhWpkqnsdfvZ/caGwiJcSUFtM8NxcyLNLnWphvfpzKUeJ7fE8AXubt5QhdfpLd+6XvVjFTqb9oLgsEpjhNGXmONB9Zj1cBFHbDIvv6Bz2DBZgUz87cN/hgMC0Xv1HTld0B+J8EJIvSZgMSMPAtwxyLjUB+18D8E+nuhEegAHUB7LwR/RqVnHOqjFvbRQ3V/TNkFOpNpePGM2A0Ty6M5fpLuTy8o59ChHi4xxJy2ry/PJgHONf8PfD4E9hdbX04xj0KsNLgb1JMzd0E7Jjz1smjud25bLBg5SLU2Nax36p6IzF05yxzZo5FfEdPmmCUxKWjK621FtttcBdyGneI1qef3JkrfMLKXC/IrjRMB92ioSh7oRRPQCyhNDWZgNqKDUKlcVoR+yu+yX0uVzCANLmycjZFczLC3teGj/DcMXpWnoY6CsFC6x2grua5Mz4SMiFyXUNdTVV+8bbGmPIErfQWAeQagUCLXMaMLKMMxjSJG2lzXtUigitY450szAbqP66tt1rb1IDXp54Lr9SvbVY1BDhY1j08GVX1PInqJaLTb8aCIQoaVgpV5yphrW/cmA9jfOgoly4A+AcGZeUjZmyxHe7+5ySAIJgMYdp8snhkK80+06Z73SoEmeiaim8qEmZK1sZmJCrhOJ0DSPZHYAj0Z6KhOYtCg0UnTkmiddUv1GZhzkY8iCOH1GeVGvCzExs1HM4gj06k3562CHZkmw0fi7xberX0fcANnFd5jAdlW6L4adZGlbxIC0KDfXoCGTIcKI1NreqYfhe+R/VaaJG5hBKOqUJkMtuvMJPqURPZpe82yWKv4Xzdzk/kND4gCGG1/g0GL1CM1VWNgIxba9rzJvuvJ5Be0toZAKmjibtZuO6Qyj7HfRvdDTNHE320VH1pYI9ed8q7GbG0wD2X7WBPfkbFOi5b/OcL+QXmr+a5eJITWA9SqM9f/mCgaF7fnTBmt964Vac+U61Urb/hQ7RkQP0Z5WXfyMN3BsNZZwLjSelT7lf8A

Browser: Chrome 89.0

Operating System: macOS 11.2.3

Contributor guide

Open the contributing guide

Research direction

Start by running the linked Sandcastle example in Chrome and compare the model silhouette with and without an orthographic frustum. Trace the rendering path used by that example, then verify that the model silhouette is preserved when the orthographic frustum is enabled.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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