Text Logo In The Nadir Of A Spherical Photo
The use of a nodal rotator makes it possible to create finely stitched spherical photographs, although the rotator at the lower end of the scenes becomes inconvenient. An elegant way to overcome this is to place a logo as a nadir cap on that section of the image.
We can use as a logo an overlay image or create one from a background and possibly add a text. Since text editors, even those included in image editing programs will usually create texts in a straight line it is convenient to create them over an equirectangular panorama. On this page we will see step by step two alternatives to create text logos.
With Free Software : Gimp
The first step is to open a panoramic image from the File menu or simply by dragging it into Gimp's main window. For this example we will use the Spherical Photography we have already created with Autopano-Pro :
Using the rectangular selection tool we will draw a rectangle that covers and even exceed the width of the panorama :
While the rectangular selection tool is active we'll drag the selected area to the right location where we want to create the logo. In this case we'll be careful to cover up but not to exceed the area of the image showing the projection of the nodal rotator :
Pressing the Delete key from the Keyboard we'll remove the content of the selected area. If after completing this operation any content is still visible we'll need to flatten the image or make the visible layers merge before trying again :
Next we'll select the Text tool in the tools menu and make it active on the left end of the box to be edited :
This will make a new Gimp window open with a text editor. There we will write the text we wish to use in our logo. In doing so our text will also be visible on the nadir area being edited. We must be careful to choose a text that extends all over the image, leaving only a space at the ends just enough to hold a space similar to those between any two words of our writing. If the text is short we can change or attempt to change the font or some options of it :
In the right pane we can click on the Layers tab to view how the created text exists in a layer that floats in front of the image we work on :
In the Tools menu we can activate the Move tool :
After clicking on the main window frame to ensure that this is active, we can either move the selection with the mouse, or with the arrow keys on your keyboard, moving the text to the top of the area where we are inserting the logo. Note that while the text in this projection is equal at any height where it may be located, when creating an interactive Virtual Tour from this panorama it will stay the more compressed the closer it is to the upper or bottom of the image :
Once settled the text it is time to merge the visible layers displaying Image menu options and clicking on Merge Visible Layers :
Now the selected area has been deselected. In the right panel we can see how the text is no longer in a layer appart from the rest of the image but the image as we are seeing it is a single layer with a single image :
Now we are able to save our work. It is always advisable to do so with a new filename to keep the original image intact, to which can return at any time we need it. In the File menu we will click on Save As :
Then a new window or dialog box will open where we must choose a filename and its location into our hard disk :
Clicking on OK, depending on which format we have chosen to save the file in the previous step may or may not open a new window with more saving options such as Flatten Image or Merge Visible Layers. We can skip this step by confirming the values loaded by default and go on by clicking Export :
Having chosen PNG format for our image, we have yet other advanced options to confirm and with a click on Save we''ll begin the process of saving our image :
This is what the Spherical Photography With Logo On The Nadir that we've created looks like. To see it as a Virtual Tour click on the image :
With Comercial Software : Adobe Photoshop
Mentioning that, of course, there are multiple ways to reach similar results, we'll choose our preference tools to complete the job in a few steps. The steps are similar to those followed above to perform the same task with Gimp. To begin, drag the image file that we propose to add a logo to Adobe Photoshop's main window to open it :
With the Select tool of the active tool menu, we'll select a rectangle covering the entire width of the panorama and cutting its nadir off. For fine positioning adjustment be careful to use only the up and down keys of your keyboard :
Next we'll select a color for the background of the logo and after selecting the Paint Bucket tool from the tools menu we'll paint with this color the selected rectangle :
Next we'll use the Text tool from the the tools menu to, starting at the left side of the selected rectangle, begin typing the text for the logo. Once the text is written, being careful not to click anywhere which would deselect the text, using the arrow keys we'll adjust its positioning, placing it near the upper end of the rectangular area on which we are working :
Now we can consolidate the position of the text by displaying the options of the Layers menu and clicking on Flatten Image :
Our Spherical Panorama With Logo is finished. It only remains to save it and we'll do it with a new name to keep the original file on which we have worked intact, for which we will click on Save As :
In the dialog box that will open we'll choose a location within our hard disk for the file to be created and a file name : Finally we'll click on Save :
Now we can find the created file at the location we have choosen in the previous step. We can open it for viewing, editing, sharing, publishing or giving it any use we want :
This is the Spherical Panorama With Logo we have edited. To see it as interactive Virtual Tour click on the image :
Until now we have created rectangular shaped text logos, to see them as circular shapes when seen included into Virtual Tours. In the next page we will see how to insert images at the nadir so that the Virtual Tours will show them exactly as they are.
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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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