正轴投影

在正轴测投影理论中，由轴向变形系数p、q、r中的任意两个可确定轴测轴X、Y、Z及其轴测单位i、j、k。

In the theory of orthogonal axonometric projection , axonometric axes X , Y , Z and axonometric units I , j , k can be determined by any two of distortion factors along axonometric axes p , q , r.

本文系统的用解析法推导了斜轴测投影和正轴测投影的基本公式的基础上，导出了正轴测投影中确定轴间角Q1和Q2的正切公式。

In this paper , the fundamental formulas of oblique and orthographic axonometric projection are deduced by systematically using the analy - tical tracing method . The tangential equation to determine the shaft angles θ _1 and θ _2 in orthographic projection is obtained on this basis .

正轴测投影中的非轴向度量问题

Problem of No - Axonometric Measurement in Orthographic Axonometric Projection

二次曲面的正轴测投影解析式

Analytical equations of normal axonometric projection of quadratic surfaces

正轴测投影轴向变形系数的透视仿射变换法分析

Analysis of Perspective Affinity Variation of Axial Deformation Factor of Normal Axonometric Projection

绘制正轴测投影图的专用计算尺的研制

A Special Slide Rule for Drawing Axonometric Projections

运用逆向思维，提出基于正轴测投影图的反求研究。

With converse thinking , reverse research based on axonometric projection is brought forward .

理想正轴测投影作法

Method of drawing ideal normal axonometric projection

通过建立透视变换总矩阵，代入各类透视投影及正轴测投影的几何条件，推导出这些三维图形的变换矩阵。

Through creating the total matrix of converter of perspective projections , bring the geometry conditions of every perspective projections and normal axonometry projection .

基于直线解释正轴测投影图圆环面正轴测计算机绘图的数学模型

A Method Convenient for Computer Interpretation of Orthographic Axonometric Drawing of Plane Body MATHEMATICAL PATTERN FOR DRAWING THE ORTHOGRAPHIC AXONOMETRIC PROJECTION OF A TORUS WITH A COMPUTER

简要论述了如何根据正轴测投影性质及投影变换方法解决正轴测投影中的非轴向度量问题。

In this paper the problem of no-axonometric , measurement in orthographic axonometric projection is discussed and solved according to the features of orthographic axonometric projection and the methods of auxiliary projectiOn .

本文主要介绍任意平面曲线回转面正轴测投影外形线的计算机生成方法。

A new method is introduced in this article which is produced by the computer for the contour curve of the orthographic axonometric projection of the revolved surface on a plane curve .

接着用公式法和图解法证明了作出理想正轴测投影所利用的几何机理，即投影线方向决定正轴测轴（正轴测投影）原理。

Then , with the formula method and diagram , the geometric mechanism in drawing ideal normal axonometric projection is testified , i.e. , the direction of projection line decides the normal axonometric projection axes ( normal axonometric projection ) .

在画法几何理论及正轴测投影的基础上，针对辅助轴交汇法绘制正等轴测图的图形准确、作图较为繁琐的特点，提出了一种绘制正等轴测图的简便方法。

According to the accuracy of drawing on positive middle axis by accessory shaft and intersection method , based upon the theory of geometric construction and positive axis projection , the article puts forward a simple method on positive middle econometrical drawing .

正轴园锥投影中的极点形状分析

An analysis on the polar shape in upright axis ' map projection of cone

两平面交线课件主要功能用于求解各种位置两平面交线的端点、绘制两平面交线的正等轴测投影和三面投影。

This courseware is used for finding the position of the endpoint of two intersecting triangles and drawing the surfaces , the isometric projection of the intersecting line and three-plane projection .

一种正轴等角割圆锥投影标准纬线的求算方法

Standard Parallels Computation for Normal Conformal Secant Conic Projection Based on Graded-Traversal Approach

广西壮族自治区正轴等角割圆锥投影

Normal secant conic conformal projection of Guangxi region