diff options
Diffstat (limited to 'silx/gui/plot3d/scene/primitives.py')
| -rw-r--r-- | silx/gui/plot3d/scene/primitives.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/silx/gui/plot3d/scene/primitives.py b/silx/gui/plot3d/scene/primitives.py index 08724ba..7db61e8 100644 --- a/silx/gui/plot3d/scene/primitives.py +++ b/silx/gui/plot3d/scene/primitives.py @@ -1874,6 +1874,8 @@ class ColormapMesh3D(Geometry): } """, string.Template(""" + uniform float alpha; + varying vec4 vCameraPosition; varying vec3 vPosition; varying vec3 vNormal; @@ -1889,6 +1891,7 @@ class ColormapMesh3D(Geometry): vec4 color = $colormapCall(vValue); gl_FragColor = $lightingCall(color, vPosition, vNormal); + gl_FragColor.a *= alpha; $scenePostCall(vCameraPosition); } @@ -1908,6 +1911,7 @@ class ColormapMesh3D(Geometry): value=value, copy=copy) + self._alpha = 1.0 self._lineWidth = 1.0 self._lineSmooth = True self._culling = None @@ -1922,6 +1926,10 @@ class ColormapMesh3D(Geometry): converter=bool, doc="Smooth line rendering enabled (bool, default: True)") + alpha = event.notifyProperty( + '_alpha', converter=float, + doc="Transparency of the mesh, float in [0, 1]") + @property def culling(self): """Face culling (str) @@ -1978,6 +1986,7 @@ class ColormapMesh3D(Geometry): program.setUniformMatrix('transformMat', ctx.objectToCamera.matrix, safe=True) + gl.glUniform1f(program.uniforms['alpha'], self._alpha) if self.drawMode in self._LINE_MODES: gl.glLineWidth(self.lineWidth) |