Add ortho view

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Added `ColorDialog` to manage color dialog.
 * Added `SettingLayout` to manage complex layout with config input.
 * Added `robot.py` example.
+* Added `ortho` option to view.
 
 ### Changed
 

src/compas_viewer/config.py

@@ -141,6 +141,7 @@ class MenubarConfig(ConfigBase):
                             {"title": "Top", "action": change_view_cmd, "kwargs": {"mode": "top"}},
                             {"title": "Front", "action": change_view_cmd, "kwargs": {"mode": "front"}},
                             {"title": "Right", "action": change_view_cmd, "kwargs": {"mode": "right"}},
+                            {"title": "Ortho", "action": change_view_cmd, "kwargs": {"mode": "ortho"}},
                         ],
                     },
                     {"type": "separator"},

src/compas_viewer/renderer/camera.py

@@ -319,6 +319,8 @@ def reset_position(self, view: Optional[str] = None):
             self.rotation.set(pi / 2, 0, 0, False)
         if view == "right":
             self.rotation.set(pi / 2, 0, pi / 2, False)
+        if view == "ortho":
+            self.rotation.set(pi / 4, 0, -pi / 4, False)
 
     def rotate(self, dx: float, dy: float):
         """Rotate the camera based on current mouse movement.
@@ -338,7 +340,7 @@ def rotate(self, dx: float, dy: float):
         is a perspective view (``camera.renderer.config.view == "perspective"``).
 
         """
-        if self.renderer.view == "perspective":
+        if self.renderer.view == "perspective" or self.renderer.view == "ortho":
             self.rotation += [-self.rotationdelta * dy, 0, -self.rotationdelta * dx]
 
     def pan(self, dx: float, dy: float):