正轴投影是平面投影面与地球自转轴垂直，或圆锥、圆柱投影面的中心轴与地球自转轴重合的一类地图投影。投影面为平面时，该面与地球自转轴垂直，平面的法线方向与地轴平行，称为正轴方位投影；投影面为圆柱面或圆锥面时，其中心轴与地轴重合，称为正轴圆柱投影或正轴圆锥投影。
正等轴测投影 isometric projection
正轴正射投影 normal orthographic projection
正轴测投影 orthogonal axonometric projection ; normal axonometric projection
正轴侧投影 normal axonometric projection
横轴圆柱正形投影 [测] inverse cylindrical orthomorphic projection
正轴等角圆锥投影 Labert Projection
斜轴正射投影 oblique orthographic projection
正轴球心投影 normal gnomonic projection
横轴圆柱正形投影图 [测] inverse cylindrical orthomorphic chart
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.
根据这两个计算式可以从诸多正轴测投影表达方案中选出最佳表达方案。
According to these two, we can choose and obtain the optimal expressional scheme from various kinds of expressional schemes for the rectangular axonometric projection.
文章论述了如何用变换轴测投影的方法求圆球正轴测图的阴影。
In this paper, we acguired a way of seeking shade and shadow of spheric surface in orthographic axonometric projection drawing by means of changing axonometric projection.
应用推荐