Fix need to rebuild opengl data after alpha changes

jlblancoc · jlblancoc · commit df7766405a05 · 2025-08-28T20:36:55.000+02:00
diff --git a/libs/opengl/include/mrpt/opengl/CPointCloud.h b/libs/opengl/include/mrpt/opengl/CPointCloud.h
@@ -23,9 +23,6 @@ namespace mrpt::opengl
  *
  * To load from a points-map, CPointCloud::loadFromPointsMap().
  *
- * This class uses smart optimizations while rendering to efficiently draw
- * clouds of millions of points, using octrees.
- *
  * ![mrpt::opengl::CPointCloud](preview_CPointCloud.png)
  *
  *  \sa opengl::CPlanarLaserScan, opengl::Scene,
diff --git a/libs/opengl/include/mrpt/opengl/CPointCloudColoured.h b/libs/opengl/include/mrpt/opengl/CPointCloudColoured.h
@@ -146,6 +146,7 @@ class CPointCloudColoured :
     {
       pt.A = alpha_channel;
     }
+    markAllPointsAsNew();
   }
   /** Like \c getPointColor but without checking for out-of-index errors */
   void getPointColor_fast(size_t index, float& R, float& G, float& B) const

Original file line number	Diff line number	Diff line change
`@@ -23,9 +23,6 @@ namespace mrpt::opengl`
`23`	`23`	`*`
`24`	`24`	`* To load from a points-map, CPointCloud::loadFromPointsMap().`
`25`	`25`	`*`
`26`		`- * This class uses smart optimizations while rendering to efficiently draw`
`27`		`- * clouds of millions of points, using octrees.`
`28`		`- *`
`29`	`26`	`* ![mrpt::opengl::CPointCloud](preview_CPointCloud.png)`
`30`	`27`	`*`
`31`	`28`	`* \sa opengl::CPlanarLaserScan, opengl::Scene,`
Original file line number	Diff line number	Diff line change
`@@ -146,6 +146,7 @@ class CPointCloudColoured :`
`146`	`146`	`{`
`147`	`147`	`pt.A = alpha_channel;`
`148`	`148`	`}`
	`149`	`+ markAllPointsAsNew();`
`149`	`150`	`}`
`150`	`151`	`/** Like \c getPointColor but without checking for out-of-index errors */`
`151`	`152`	`void getPointColor_fast(size_t index, float& R, float& G, float& B) const`