Text Logo At The Nadir Of A Spherical Panorama
The use of nodal rotators makes it possible to create well stitched Spherical Panoramas, although the rotator itself in the lower end of the scenes becomes a drawback. A smart way of overcoming it is to place a logo in this area of the image. We'll do it with Gimp, free open source image editor.
We can either use an overimposed image as a logo or create this from a certain background and eventually, add it a text. Since the text editors, even those included in programas that edit images, create texts in straight lines, it is not very practical to use them over the equirectangular projection of a panorama. On this page we'll add a text logo to the Spherical Panorama we've created at the previous pages.
To get started we'll open the file by dragging it to Gimp's main window or from the File menu :
This is what the opened image file looks like. In the tools panel we'll activate the Rectangle Select tool :
With this tool active select a rectangle which completely includes the area we want to cover at the nadir of the opened file. Use the mouse or the arrow keys for the final fine positioning :
Next hit the Delete key of your keyboard to completely remove the selected area of the image :
By using the Bucket Fill tool fill the content of the selected area with the color you want for the text logo background :
From this step we'll start to create the text for the logo, which we'll create in a separate document. The first step is defining its length, for which we'll display the Image menu of the open document and we'll click on Scale Image :
The tool's options's window opens, however we won't use it except for finding out the width of the Spherical Panorama, which we can see on its own field in the open window. After reading and remembering this figure we can close the window with no changes :
Back to Gimp's main window we'll display the File menu and click on New to create a new document :
The window that opens to receive the new document's data is similar to the recently closed window, from which we'll copy the image width. As for the height, we'll establish a figure just height enough as to let us comfortably writte the nadir's text :
After accepting a new Gimp window will open in front of the active file showing the newly created document :
With the Bucket Fill tool we'll paint the background with the same color we have used to paint the background of the nadir in the main opened image :
Next we'll activate the Text tool and double click in the color selection box to open its options window :
The color we have used for the background is still active. Now we have to choose a different color for the text :
It is convenient to select a very different color to create a good contrast :
After clicking on Accept to close the window the new color is selected and the text tool remanis active. It is time to click with the mouse cursor near the left end of the last document created :
A new window opens with the text editor :
On ot we'll type in the text for our logo and we'll have a real time preview of it on the image window. It is convenient not to leave any more blank spaces at the sides than that between any two words, since the text will blend when it is seen in interactive mode :
Once the text is written and accommodated by moving the selection with the mouse o by hitting the arrow keys, it is convenient to anchor its position displaying the Image menu and clicking on Flatten Image :
When completing this last step the selection will be lost so in the tools's pane we'll proceed to activate the Rectangle Select tool :
With this tool and making use of the mouse we'll select an area which contains the written text and a minimum border around it :
Displaying the Image menu we can click on Crop To Selection :
Now the image with the text occupies nearly the entire window and it will be easy to work with it :
Maximizing the window it would be ever easier. For the next step we'll select the Scale tool :
With a mouse's click over the selected area we can bring up image editing tools :
Carefully pull the selection's border down to reduce its height :
The shortened image occupies now a layer above the unshortened image :
We have shortened the text's image to aproximately half its height to improve its visibility on interactive mode. If we have not unselected the image, we are ready to display the Edit menu and click on Copy :
Back to the other window where the image of the Spherical Panorama remains open, displaying the Edit menu we can click on Paste :
This way we have inserted the written border of our logo over the panorama. It only needs to be located :
For doing this we'll click to activate the Move tool from the tools's pane and using preferably the arrow keys of our keyboard, moving the image only up and down to avoid decentering the image, place the text within the colored area of the nadir, close to the upper border of it :
Next, we'll activate the Rectangle Select tool and click in the panorama's background to cancel the active selection :
The editing is done. It only remains to save the created panorama for which from the File menu we can click on Save As :
A new window opens where we'll choose a name for the new file, as well as its format and location in our hard disk. We choose to save it on a high definition format such as TIFF :
Gimp will show us a new window where we can either opt for some kind of compression for the image or not to compress it at all, as we'll do with the example's file :
Once the image is created we can find the file at the location we had decided in the previous step :
This is what our Spherical Panorama With Logo created from non aligned shots looks like. To see it as a Virtual Tour click on the image :
At this page we have created a rectangular cap for the nadir, although conceived to be seen as a circle on interactive mode. On the next page we'll see how to add any image as a nadir cap.
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With any camera
360 Degree Interactive Panoramas
In Three Easy Steps
After reading this tutorial you'll be able to create your first 360 degree interactive photography with the camera you already have :
1 - Photograph
Take one or more pictures of the place you want to show.
2 - Edit
Convert your pictures into 360 degree panoramas.
3 - Publish
Make your panoramas interactive and available to the world on the internet.
If a picture is worth a thousand words, a 360 degree interactive panorama is worth a thousand pictures...
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Check that with just one click from your camera and another click from your mouse it is possible to create a 360 degree interactive virtual tour out of nothing. And completely free of charge!!!
You can get started right now, even if you don't have a camera
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