The rust at the base of the column has been extracted from the upper most texture (V2 - Aged and Stressed
). With some careful blending this was then to Soft Light. The third and final texture (V2) was used on the columns and staircase similarly and with the blue areas selected and deleted it was then applied with a Hard Light blending mode as indicated.
Regarding the panels : they also benefit from some rust in the corners as shown in Fig.06.
Another texture used in a subtle way to enhance the effect can be seen inset with the result to the right. I also added some worn paint along the panel "beams" by using the same process as before (mask set to Overlay with black areas deleted).
The texture used on the floor also requires some treatment as this would show wear and tear as much as the paintwork. I added some staining along the panel edge using a dirt map but to enhance this I overlayed a texture of old boards with peeling paint to represent the deteriation of the varnish (Fig.07).
The other key areas that I concentrated on were around the metal floor brackets and the wood directly beneath the bottom step. I modified the dirt map from Fig.02, then made some contrast and colour correction and applied it in a similar manner to create the stains around the fixings.
The last stage is to position a dirt map to suggest the worn varnish below the staircase.In Fig.08 you can see how I have used an edited map to show the effect of human contact. The map had the white areas deleted and then was brightened to a light grey. When set to Overlay it appears as seen on the left.
One further aspect worth mentioning is the importnace of the specular maps. In Fig.09 you can see two corresponding versions of the maps used on the floor and steps/columns.
The key thing to remember is that where you place dirt and grime, the surface will generally be less reflective so use these layers from your colour maps to darken the same spots on the specular map by reducing their brightness and setting them to Mutiply. An example of this can be seen in the top right image in the form of the water stains.
In the case of the staircase I have copied the exposed metal layer and lightened this so that it reflects more light than the paintwork (lower right). Note that if the metal were rusty then the exact opposite would apply and the layer would be made darker. I followed the same procedure to show some wear on the column which can be seen in the top of the lower right image.
The last point is that the clean maps show less contrast overall giving the textures a more consistent quality in keeping with a cleaner surface. By increasing this you essentially break up the way light bounces off the material and thus create a more natural appearance of ageing.
The final result can be seen in Fig.10.
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