geometric drawing 中文意思是什麼
geometric drawing
解釋
幾何圖形-
Advantages of geometric drawing board in teaching and its exploitation and utilization
談幾何畫板的教學優勢與開發運用 -
The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters ， the cad system can make optimization design and strength check for the worm gear ， draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm ， judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point ， make project design and structure design for the reducer and draw its 2d parts and assembly
研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統：包括幾何參數設計計算模塊，強度校核模塊，繪制齒面接觸線模塊，蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊；開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫，建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫；開發了平面二次包絡環面蝸桿減速器參數化建模軟體：包括零部件的參數化建模模塊和裝配圖的參數化建模模塊，其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。 -
The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。 -
Concrete algorithm is firstly recognizing 2d feature obtained from geometric entities, then on the instruction of the shape analysis combining with the projective rulers of mechanical drawing, matching three 2d view features, creating 3d basic model, forming a operation list, finically finished 3d reconstruction
在重建演算法上，利用提取的幾何實體進行二維視圖特徵的識別，在形體分析法的指導下，結合制圖中的投影原則匹配三維基本形體，最後按照基本體素的運算序列經過復雜的布爾運算完成重建。 -
Drawing module, which is graphic system of 1c ad, consists of geometric and three - dimensional parameterization model design of work roll, backup roll, mill framework and finishing mill
繪圖模塊由智能cad的圖形處理部分組成，包括工作輥、支撐輥、機架和精軋機的幾何建模和三維參數化設計。 -
By analyzing phase angle of meshing geometric drawing position, the theoretical formula of cycloid gear actual operating space of cycloid planetary gear speed reducer is driven, at the same time, fitting a curve, and discussing engineering significance of function curve to combine reality
摘要通過分析嚙合相位角幾何圖形的位置，推導出擺線針輪行星減速器中擺線輪實際工作范圍的理論公式，畫出了嚙合相位角函數的擬合曲線，並結合實際討論其函數曲線的工程意義。 -
Also, through the spectral analysis in digital image processing, methods of geometric correction and accuracy analysis, strengthening of information and extraction of the feature information of emerging of ratio and information ; the extraction of species and division into sub - compartment by using multi - supplementary information sources " ; and from the identification ability of a compartment, division into sub - compartments, land type and species and the ability of accuracy of geomatric correction and map - drawing ; they can be used as the comprehensive assessment of the ability of landscape planning and many other aspects, and determine the adaptiue faculty of different information sources in the forest management inventory
經過數字圖像的光譜分析、多種方法的幾何校正及精度分析、信息增強、比值及信息融合等多重技術進行特徵信息的提取，並應用dem 、林相圖和地形圖等多種輔助信息源，提取樹種、小班區劃等信息，提高了林班區劃、小班區劃、地類和樹種識別的能力與幾何校正精度、制圖能力，可用於風景區劃等方面進行綜合評價，確定不同信息源在森林資源二類清查中的適用性能力。 -
Classused for drawing lines, outlining shapes, or rendering other geometric representations
類- -用於繪制線條、勾勒形狀輪廓或呈現其他幾何表示形式。 -
Hidden - surface removal is to eliminate the solid objects surfaces which are obscured by others. texture mapping is to apply textures to points, lines, polygons, bitmaps, and images to improve the reality of models and decrease the procedure of drawing geometric models. a model " s material properties determine how it reflects light
利用消隱函數消除不可見的線面；利用紋理映射函數對模型進行紋理貼圖，增加了模型的真實感，並減少了建模的難度；利用材質函數為模型指定材料的屬性；利用光照函數表示模型所處的光照條件和環境。
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