3D繪圖真的用繪圖卡比較好嗎? - 3C

By Suhail Hany
at 2020-12-04T06:24
at 2020-12-04T06:24
Table of Contents
※ 引述《PauFrank5566 (PF56)》之銘言:
: 已經用到M4000了,8G*4記憶體,E2244 CPU,M.2 SSD
: 感覺沒有很好用,覺得沒有物超所值,換了還是很lag
: 可能繪圖軟體很吃資源,但是好歹一張也要2萬
: 還是撿個GTX1080就好?
: 我會這樣問是因為想在組一台AMD 3600 CPU+GTX1080看看,在家畫畫東西消遣
: 3D繪圖真的用繪圖卡比較好嗎?
: 不走渲染、非美術設計
: 先端設備開發,一次組立零件上千上百個要同時開啟
: 感恩~~
3d繪圖分兩種,一種是美術的,一種是工程的。需要專業卡的是工程的。
那工程為什麼要用專業卡,大致上有3個大原因。我簡化一下解釋。
1)工程用的程式,都是很老的code,那時不流行用triangle(三角形)作基礎。所以你的零組件都需要tessellate成polygons,這其實是一個大學問,問題也多,ill-formed polygons, t-junctions...blah, blah, blah.
簡單講,專業卡的程式有特別去處理這些polygons的問題。polygons轉triangles也是專業卡的強項。
這是破面的主要原因。
2)線(lines)。劃線很難,DirectX直接說,它只支援寬度 1 的線。工程繪圖要畫很多的線。NV,AMD把最好的劃線程式留給專業卡。
3)專業卡有對幾個主要工程繪圖程式最佳化。
其實想講很多,但都是太專業的問題。簡單講,專業卡的價值在驅動程式。但現在工程3d也在進步,compute shader越來越多,專業卡會慢慢的不需要。
工程繪圖還是有分,像autocad用DirectX就可不需要專業卡,像SolidWorks就是有名的挑卡專家。
--
: 已經用到M4000了,8G*4記憶體,E2244 CPU,M.2 SSD
: 感覺沒有很好用,覺得沒有物超所值,換了還是很lag
: 可能繪圖軟體很吃資源,但是好歹一張也要2萬
: 還是撿個GTX1080就好?
: 我會這樣問是因為想在組一台AMD 3600 CPU+GTX1080看看,在家畫畫東西消遣
: 3D繪圖真的用繪圖卡比較好嗎?
: 不走渲染、非美術設計
: 先端設備開發,一次組立零件上千上百個要同時開啟
: 感恩~~
3d繪圖分兩種,一種是美術的,一種是工程的。需要專業卡的是工程的。
那工程為什麼要用專業卡,大致上有3個大原因。我簡化一下解釋。
1)工程用的程式,都是很老的code,那時不流行用triangle(三角形)作基礎。所以你的零組件都需要tessellate成polygons,這其實是一個大學問,問題也多,ill-formed polygons, t-junctions...blah, blah, blah.
簡單講,專業卡的程式有特別去處理這些polygons的問題。polygons轉triangles也是專業卡的強項。
這是破面的主要原因。
2)線(lines)。劃線很難,DirectX直接說,它只支援寬度 1 的線。工程繪圖要畫很多的線。NV,AMD把最好的劃線程式留給專業卡。
3)專業卡有對幾個主要工程繪圖程式最佳化。
其實想講很多,但都是太專業的問題。簡單講,專業卡的價值在驅動程式。但現在工程3d也在進步,compute shader越來越多,專業卡會慢慢的不需要。
工程繪圖還是有分,像autocad用DirectX就可不需要專業卡,像SolidWorks就是有名的挑卡專家。
--
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