Straight-line distance 
===================================

.. |preset_terrain| image:: straight_line_distance_images/preset_terrain.png
   :width: 30

.. |terrain_edit_mode| image:: straight_line_distance_images/terrain_edit_mode.png
   :width: 30

.. |label| image:: straight_line_distance_images/label.png
   :width: 30

.. |mapview| image:: straight_line_distance_images/mapview.png
   :width: 30


Teaching Demonstration
*********

The following demonstration shows the teaching procedures of Straight-line distance  by using ARGEO Portable. 


a. Select a “Preset Terrain |preset_terrain|” or use “Terrain Modifying |terrain_edit_mode|” function to form a  terrain. The following example is “地圖 Map A”. 

.. image:: straight_line_distance_images/straight_line_distance1.png
  :width: 600
  :alt: Alternative text


b. Apply “Labelling Tools |label|” to mark two points on the terrain.

.. image:: straight_line_distance_images/straight_line_distance2.png
  :width: 600
  :alt: Alternative text


c. Apply “Map View |mapview|”. 

.. image:: straight_line_distance_images/straight_line_distance3.png
  :width: 600
  :alt: Alternative text


d. Apply “Get Ruler” to show the ruler on the screen.

.. image:: straight_line_distance_images/straight_line_distance4.png
  :width: 600
  :alt: Alternative text


e. Place and adjust the ruler on the two points. The following example is to measure the distance between toilet (106670) and spot height 165 (125669). 

.. image:: straight_line_distance_images/straight_line_distance5.png
  :width: 600
  :alt: Alternative text


Calculate the straight-line distance.



下載教學資源
***************
Teaching Demonstration
`Download Here <https://drive.google.com/file/d/1X8VxnZuft8cLTGL66m_V6eu9OWkhAicI/view?usp=sharing>`_

工作紙及答案(中文版)
`Download Here <https://drive.google.com/drive/folders/1QLrHqutPkC75cZDduW7OddyihZDEGRwD?usp=sharing>`_

工作紙及答案(英文版)
`Download Here <https://drive.google.com/drive/folders/1BmOVN-a5ZIyu6qyDqe3RaOYsik9lxPNq?usp=sharing>`_