File:PLAN OBLIQUE و ELEVATION OBLIQUE..jpg
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العربية: من المهم معرفة أن جميع انواع الاكسنومتري ليست الا تمثيل تقريبي للواقع ولا يمكن أن تحل محل المنظور. ومع ذلك، وبفضل سهولة تنفيذها فهي أداة مفيدة للمعماريين والمهندسين لإظهار تكوينات ثلاثية الأبعاد بطريقة واضحة وسريعة.
وتبعا لاتجاه مركز الإسقاط بالنسبة لمستوى الإسقاط ، يتم تقسيم الاكسنومتري إلى فئتين: عمودية (ايزومترك ديمتريك و تريمترك) ومائلة (plan oblique, elevation oblique and generic). وبما ان سبب استخدام الاكسنومتري سهولة تنفيذها مقارنة بالمنظور، فمن المنطقي استخدام الأنواع الأسهل من الاكسنومتري، مثل ال PLAN OBLIQUE أو ال ELEVATION OBLIQUE. وذلك لانه في ال plan oblique تبقى إسقاطات الاشكال التي تنتمي إلى مستويات أفقية بشكلها الحقيقي، بينما تتشوه لأشكال التي تنتمي إلى مستويات أخرى. ومع ذلك يمكن أن تظل قياسات الخطوط الرأسية (موازية للمحور z) مساوية للقياسات الحقيقية ، عندما يكون اتجاه مركز الإسقاط 45 درجة بالنسبة لمستوى الاسقاط. وبالمثل ، في ال elevation oblique, تكون الاشكال التي تنتمي للمستوى zx او (yz) بالشكل الحقيقي وكذلك قياسات خطوط العمق (الموازية للمحور x ، أو y) يمكن ان تكون بلا تشوه. dr. Hasan ISAWI https://archdrawingrepresentation.blogspot.com/2022/03/dwg-7-10-plans-elevations-sections-and.html It is important to note that all types of axonometric projection are approximate representations of reality and cannot replace perspective. However, due to their ease of execution, they are a useful tool for architects and engineers to show three-dimensional configurations in a clear and quick way. According to the direction of the projection center with respect to the projection plane, axonometric projection is divided into two categories: orthogonal and oblique. Orthogonal axonometric projections include isometric, dimetric, and trimetric projections, while oblique axonometric projections include plan oblique, elevation oblique, and generic oblique projections. Since the reason for using axonometric projection is its ease of execution compared to perspective, it is logical to use the simpler types of axonometric projections, such as plan oblique or elevation oblique. In plan oblique, the projections of shapes belonging to horizontal planes remain in their true shape, while those belonging to other planes are distorted. However, the measurements of vertical lines (parallel to the z-axis) can remain equal to the true measurements, when the projection center direction is 45 degrees with respect to the projection plane. Similarly, in elevation oblique, the projections of shapes belonging to the zx or (yz) plane can be in their true shape, and the measurements of depth lines (parallel to the x or y axis) can also be without distortion. |
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| Source | Own work |
| Author | Hasanisawi |
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| current | 19:23, 12 May 2023 | | 1,111 × 596 (257 KB) | Hasanisawi (talk | contribs) | Uploaded while editing "أكسونومتري" on ar.wikipedia.org |
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