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Create own 3D materials
Lightroom or Photoshop:
Stitch photos:
File → Automate → Photomerge (if in photoshop, Tick Vignette Removal)
To straighten out the stitched images:
→ Align Horizontal and Vertical lines to be truly right:
In Ps, copy all layers (Ctrl+J), then merge all copy layers (Ctrl+E) into 1 layer, then group all original layers into 1 file (Ctrl+G) (It serves as a backup copy, if mess up, the original won’t be affected, recommend to do these steps before any new layers edit apply)
Open Camera Raw Adobe to color grade the photo (Ctrl+Shift+A)
In Geometry → Guided (most R side icon), draw 2 horizontal lines (top and bottom) and 2 vertical (left and right)
Click ok after straighten the photo.
Back to Ps main page, Find out the materials needed in the paranomic/360 photo and crop it out (crop larger to get more detail for analysis, can use content aware fill function later to remove some part unwanted.
Remove unwanted content from cropped material:
3 Tools can be used (all by short cut key : J)
Use Patch tool (between Eyedropper and Brush), select the area and drag to other spot
or
Use Lasso tool to select the area, Content Aware (Short cut for Fill : Shift + Backspace) →
or
Use Spot Healing Brush Tool, press point A, then hold Shift and press Point B, then the brush erase things from point A to point B on the screen
Color Grading/ Brightness fixing the cropped material:
1. Make imperfect feeling (some part brighter and some darker with dirt):
Bottom R corner → Create Level layer→ Select L side icon→ Leave up Gamma in the curve (make image brighter), then inverse the R side box from white to black to turn off the effect (Ctrl+I) → Choose Brush tool (opacity set to 20-40%) →Brush the darker area
2. Fix color balance issue:
Bottom R corner → Create Photo Filter layer → adjust the Density to match the color balance
Eliminate the edge of the image, so it becomes seamless/endless :
Filter (Top L bar) → Other → Offset → Type half of resolution value on Horizontal and Vertical pixels (the image will becomes tiled image)
Then use stamp clone/brush to remove the edge of the tiled image
Stitching a linear panorama in Lightroom:
Step 1: On each photo: Lens Correction → Tick Enable Profile Correction (fix lens distortion and vignette) → R click → Develop Setting → Copy Setting → Only Tick Lens Corrections column → Copy
Select all photos → R click → Develop Settings → Paste Setting
Step 2: On 1st photo, In Develop tab (Top R corner) → Transform → Click the Hashtag sign (left top corner in Transform) → Manually align 4 lines (horizontal and vertical axis, same as the step before in PS) → Adjust the brightness in histogram → Crop the photo for needed region
Repeat Step 2 for each of the photos needed to stitch
Step 3: Export the photos, go to PS → Automate → Tick Geometric Distortion Correction this time too, besides Vignette Removal and Blend Images Together
To crop out the blank area of the stitched image: Select all layers/photos (Ctrl+E) → Transform (Ctrl+T) → R click → Warp → Move the bezier points on the image
(add Split from top menu if just need to partially adjust the photo) 16:35-16:43
Make the rest of Texture Map (create specular or reflection texture to let 3D program recognize): 17:05
Duplicate 4 times of the original image and name them as Diffuse, Normal, Specular and Roughness:
1.Diffuse texture: R click on the “Normal” layer → Convert Smart Object (to let us able to change the normal map if make mistake) → Filer → 3D → Generate Normal Map → Adjust its Low, Medium, High Contrast Detail, and see if need to invert Height)
2.Create Specular and Roughness Layers:
On Specular layer → Create new layer (R bottom corner) → Black and White → A Properties box comes up, tick the box shown below, so the effect apply here only affect the layer below and within the folder
Then create a Curve layer, adjust the curve to pop out the B and W difference (idea is to make a B/W image that White as shiny part, B as non-shiny part)
3.On Roughness layer, repeat the same step as Specular, adjust W as rough and B as non rough
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