# Logo in the background of the render view in Paraview 5.9
**URL:** https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322
**Category:** ParaView Support
**Created:** [January 28, 2021, 8:08am UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322 "2021-01-28T08:08:03Z")
**Posts on this page:** 10
**Page:** 1
### Author:  [@Petr\_Melnikov](https://discourse.paraview.org/u/Petr_Melnikov)
#### Post date: [January 28, 2021, 8:08am UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/1 "2021-01-28T08:08:03Z")
Hi Guys,
I am trying to show the logo in the background of the render view in Paraview 5.9
The script below is used for this purpose:
```
from paraview.simple import *
import vtk
image = vtk.vtkPNGReader()
rep = vtk.vtkLogoRepresentation()
logoProp = rep.GetImageProperty()
widget = vtk.vtkLogoWidget()
repPosition = [0.5, 0.5]
image.SetFileName('../share/icons/hicolor/96x96/apps/paraview.png')
image.Update()
logoProp.SetDisplayLocationToBackground()
rep.SetPosition(repPosition)
rep.SetImage(image.GetOutput())
rep.SetImageProperty(logoProp)
widget.SetRepresentation(rep)
widget.SetInteractor(GetRenderView().GetInteractor())
widget.On()
widget.Render()
```
Unfortunately it doesn’t work in Paraview 5.9
But it is ok in Paraview 5.6
What am I doing wrong?
Best regards, Petr
---
### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [January 28, 2021, 11:04am UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/2 "2021-01-28T11:04:36Z")
Do not use vtk directly.
```
# a texture
a = CreateTexture('/home/glow/a.png')
# create a new 'Logo'
logo1 = Logo(registrationName='Logo1')
logo1.Texture = a
# show data from logo1
logo1Display = Show(logo1, renderView1, 'LogoSourceRepresentation')
Render(renderView1)
```
---
### Author:  [@Petr\_Melnikov](https://discourse.paraview.org/u/Petr_Melnikov)
#### Post date: [January 28, 2021, 12:21pm UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/3 "2021-01-28T12:21:39Z")
Thank you!
But I want to put logo into background, not foreground
---
### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [January 28, 2021, 12:49pm UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/4 "2021-01-28T12:49:35Z")
Not supported, but that should be simple to.
---
### Author:  [@Petr\_Melnikov](https://discourse.paraview.org/u/Petr_Melnikov)
#### Post date: [January 29, 2021, 4:25pm UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/5 "2021-01-29T16:25:25Z")
In fact, it is not difficult.
The following changes are required:
1.
```
+++ b/Remoting/Views/vtkLogoSourceRepresentation.h
@@ -61,6 +61,14 @@ public:
vtkGetMacro(Opacity, double);
//@}
+ //@{
+ /**
+ * Set the display location of the logo
+ */
+ vtkSetMacro(Background, bool);
+ vtkGetMacro(Background, bool);
+ //@}
+
/**
* vtkAlgorithm::ProcessRequest() equivalent for rendering passes. This is
* typically called by the vtkView to request meta-data from the
@@ -101,6 +109,7 @@ protected:
vtkNew ImageCache;
vtk3DWidgetRepresentation* LogoWidgetRepresentation = nullptr;
double Opacity = 1.0;
+ bool Background = false;
private:
vtkLogoSourceRepresentation(const vtkLogoSourceRepresentation&) = delete;
```
2.
```
+++ b/Remoting/Views/vtkLogoSourceRepresentation.cxx
@@ -140,6 +140,8 @@ int vtkLogoSourceRepresentation::ProcessViewRequest(
image->GetDimensions(dims);
repr->SetImage(image);
repr->GetImageProperty()->SetOpacity(this->Opacity);
+ repr->GetImageProperty()->SetDisplayLocation(
+ this->Background ? VTK_BACKGROUND_LOCATION : VTK_FOREGROUND_LOCATION);
repr->SetVisibility(true);
float height = repr->GetPosition2()[1];
repr->SetPosition2(height * dims[0] / dims[1], height);
```
3.
```
+++ b/Remoting/Views/Resources/views_and_representations.xml
@@ -9645,6 +9645,13 @@
min="0"
name="range" />
+
+
+
### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [February 1, 2021, 9:49am UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/6 "2021-02-01T09:49:08Z")
Could you contribute your branch in a MR so I can take a look easily ?
---
### Author:  [@Petr\_Melnikov](https://discourse.paraview.org/u/Petr_Melnikov)
#### Post date: [February 1, 2021, 12:14pm UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/7 "2021-02-01T12:14:05Z")
Done.
[https://gitlab.kitware.com/paraview/paraview/-/merge\_requests/4702](https://gitlab.kitware.com/paraview/paraview/-/merge_requests/4702)
It’s my first MR, correct me, please, if I did something wrong
---
### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [February 2, 2021, 11:38am UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/8 "2021-02-02T11:38:30Z")
I’ve answered there.
---
### Author:  [@Petr\_Melnikov](https://discourse.paraview.org/u/Petr_Melnikov)
#### Post date: [February 2, 2021, 12:33pm UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/9 "2021-02-02T12:33:36Z")
After rebasing on master branch, my changes began to work correctly!
Paraview 5.9.0-382-g75e8e49108
VTK 9.0.0-2821-gc0b80b8f5e
Thanks
---
### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [February 2, 2021, 1:47pm UTC](https://discourse.paraview.org/t/logo-in-the-background-of-the-render-view-in-paraview-5-9/6322/10 "2021-02-02T13:47:38Z")
Lets keep the discussion on the MR.