He (the photographer) has practically created a new thing out of materials gathered from nature; upon a foundation of fact he has allowed his imagina… - Alfred Horsley Hinton

As a general rule, therefore, the lights and shadows of clouds near the horizon are less vivid than in clouds higher up. Exceptions to this rough rule will be found when the source of light is near the horizon, as in sunset and sunrise, also when there is a gathering of local stormclouds which may hover over the distance as a dark pall, when there is fair weather and light, transparent clouds near to us.

Probably every portrait photographer resorts to some such "dodge" for making a face lighter or other similar purpose, and he finds that the application of water-color paint in ever so thin a wash makes so much difference to the printing density that blue is commonly used as being a quick printing color, the effect of which is therefore not so great; an equally dense layer of blue and of red to any portion of a negative would print very differently, the red shutting off the light action much more powerfully than the blue.

…--- a view may include any number of interesting facts, may constitute a whole catalog of important and pretty items, and so be valuable as a view or as a record; but it would utterly fails as a pictorial composition.