The Practice and Science of Drawing Part 2
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It is this difference between scientific accuracy and artistic accuracy that puzzles so many people. Science demands that phenomena be observed with the unemotional accuracy of a weighing machine, while artistic accuracy demands that things be observed by a sentient individual recording the sensations produced in him by the phenomena of life. And people with the scientific habit that is now so common among us, seeing a picture or drawing in which what are called facts have been expressed emotionally, are puzzled, if they are modest, or laugh at what they consider a glaring mistake in drawing if they are not, when all the time it may be their mistaken point of view that is at fault.
But while there is no absolute artistic standard by which accuracy of drawing can be judged, as such standard must necessarily vary with the artistic intention of each individual artist, this fact must not be taken as an excuse for any obviously faulty drawing that incompetence may produce, as is often done by students who when corrected say that they "saw it so." For there undoubtedly exists a rough physical standard of rightness in drawing, any violent deviations from which, even at the dictates of emotional expression, is productive of the grotesque. This physical standard of accuracy in his work it is the business of the student to acquire in his academic training; and every aid that science can give by such studies as Perspective, Anatomy, and, in the case of Landscape, even Geology and Botany, should be used to increase the accuracy of his representations. For the strength of appeal in artistic work will depend much on the power the artist possesses of expressing himself through representations that arrest everyone by their truth and naturalness. And although, when truth and naturalness exist without any artistic expression, the result is of little account as art, on the other hand, when truly artistic expression is clothed in representations that offend our ideas of physical truth, it is only the few who can forgive the offence for the sake of the genuine feeling they perceive behind it.
[Ill.u.s.tration: Plate VI.
STUDY IN NATURAL RED CHALK BY ALFRED STEPHENS
From the collection of Charles Ricketts and Charles Shannon]
How far the necessities of expression may be allowed to override the dictates of truth to physical structure in the appearance of objects will always be a much debated point. In the best drawing the departures from mechanical accuracy are so subtle that I have no doubt many will deny the existence of such a thing altogether. Good artists of strong natural inspiration and simple minds are often quite unconscious of doing anything when painting, but are all the same as mechanically accurate as possible.
Yet however much it may be advisable to let yourself go in artistic work, during your academic training let your aim be #a searching accuracy#.
III
VISION
It is necessary to say something about Vision in the first place, if we are to have any grasp of the idea of form.
An act of vision is not so simple a matter as the student who asked her master if she should "paint nature as she saw nature" would seem to have thought. And his answer, "Yes, madam, provided you don't see nature as you paint nature," expressed the first difficulty the student of painting has to face: the difficulty of learning to see.
Let us roughly examine what we know of vision. Science tells us that all objects are made visible to us by means of light; and that white light, by which we see things in what may be called their normal aspect, is composed of all the colours of the solar spectrum, as may be seen in a rainbow; a phenomenon caused, as everybody knows, by the sun's rays being split up into their component parts.
This light travels in straight lines and, striking objects before us, is reflected in all directions. Some of these rays pa.s.sing through a point situated behind the lenses of the eye, strike the retina. The multiplication of these rays on the retina produces a picture of whatever is before the eye, such as can be seen on the ground gla.s.s at the back of a photographer's camera, or on the table of a camera obscura, both of which instruments are constructed roughly on the same principle as the human eye.
These rays of light when reflected from an object, and again when pa.s.sing through the atmosphere, undergo certain modifications. Should the object be a red one, the yellow, green, and blue rays, all, in fact, except the red rays, are absorbed by the object, while the red is allowed to escape. These red rays striking the retina produce certain effects which convey to our consciousness the sensation of red, and we say "That is a red object." But there may be particles of moisture or dust in the air that will modify the red rays so that by the time they reach the eye they may be somewhat different. This modification is naturally most effective when a large amount of atmosphere has to be pa.s.sed through, and in things very distant the colour of the natural object is often entirely lost, to be replaced by atmospheric colours, as we see in distant mountains when the air is not perfectly clear. But we must not stray into the fascinating province of colour.
What chiefly concerns us here is the fact that the pictures on our retinas are flat, of two dimensions, the same as the canvas on which we paint. If you examine these visual pictures without any prejudice, as one may with a camera obscura, you will see that they are composed of ma.s.ses of colour in infinite variety and complexity, of different shapes and gradations, and with many varieties of edges; giving to the eye the illusion of nature with actual depths and distances, although one knows all the time that it is a flat table on which one is looking.
Seeing then that our eyes have only flat pictures containing two-dimension information about the objective world, from whence is this knowledge of distance and the solidity of things? How do we _see_ the third dimension, the depth and thickness, by means of flat pictures of two dimensions?
The power to judge distance is due princ.i.p.ally to our possessing two eyes situated in slightly different positions, from which we get two views of objects, and also to the power possessed by the eyes of focussing at different distances, others being out of focus for the time being. In a picture the eyes can only focus at one distance (the distance the eye is from the plane of the picture when you are looking at it), and this is one of the chief causes of the perennial difficulty in painting backgrounds. In nature they are out of focus when one is looking at an object, but in a painting the background is necessarily on the same focal plane as the object. Numerous are the devices resorted to by painters to overcome this difficulty, but they do not concern us here.
The fact that we have two flat pictures on our two retinas to help us, and that we can focus at different planes, would not suffice to account for our knowledge of the solidity and shape of the objective world, were these senses not a.s.sociated with another sense all important in ideas of form, #the sense of touch#.
This sense is very highly developed in us, and the earlier period of our existence is largely given over to feeling for the objective world outside ourselves. Who has not watched the little baby hands feeling for everything within reach, and without its reach, for the matter of that; for the infant has no knowledge yet of what is and what is not within its reach. Who has not offered some bright object to a young child and watched its clumsy attempts to feel for it, almost as clumsy at first as if it were blind, as it has not yet learned to focus distances. And when he has at last got hold of it, how eagerly he feels it all over, looking intently at it all the time; thus learning early to a.s.sociate the "feel of an object" with its appearance. In this way by degrees he acquires those ideas of roughness and smoothness, hardness and softness, solidity, &c., which later on he will be able to distinguish by vision alone, and without touching the object.
Our survival depends so much on this sense of touch, that it is of the first importance to us. We must know whether the ground is hard enough for us to walk on, or whether there is a hole in front of us; and ma.s.ses of colour rays striking the retina, which is what vision amounts to, will not of themselves tell us. But a.s.sociated with the knowledge acc.u.mulated in our early years, by connecting touch with sight, we do know when certain combinations of colour rays strike the eye that there is a road for us to walk on, and that when certain other combinations occur there is a hole in front of us, or the edge of a precipice.
And likewise with hardness and softness, the child who strikes his head against the bed-post is forcibly reminded by nature that such things are to be avoided, and feeling that it is hard and that hardness has a certain look, it avoids that kind of thing in the future. And when it strikes its head against the pillow, it learns the nature of softness, and a.s.sociating this sensation with the appearance of the pillow, knows in future that when softness is observed it need not be avoided as hardness must be.
Sight is therefore not a matter of the eye alone. A whole train of a.s.sociations connected with the objective world is set going in the mind when rays of light strike the retina refracted from objects. And these a.s.sociations vary enormously in quant.i.ty and value with different individuals; but the one we are here chiefly concerned with is this universal one of touch. Everybody "sees" the shape of an object, and "sees" whether it "looks" hard or soft, &c. Sees, in other words, the "feel" of it.
If you are asked to think of an object, say a cone, it will not, I think, be the visual aspect that will occur to most people. They will think of a circular base from which a continuous side slopes up to a point situated above its centre, as one would feel it. The fact that in almost every visual aspect the base line is that of an ellipse, not a circle, comes as a surprise to people unaccustomed to drawing.
But above these cruder instances, what a wealth of a.s.sociations crowd in upon the mind, when a sight that moves one is observed. Put two men before a scene, one an ordinary person and the other a great poet, and ask them to describe what they see. a.s.suming them both to be possessed of a reasonable power honestly to express themselves, what a difference would there be in the value of their descriptions. Or take two painters both equally gifted in the power of expressing their visual perceptions, and put them before the scene to paint it. And a.s.suming one to be a commonplace man and the other a great artist, what a difference will there be in their work. The commonplace painter will paint a commonplace picture, while the form and colour will be the means of stirring deep a.s.sociations and feelings in the mind of the other, and will move him to paint the scene so that the same splendour of a.s.sociations may be conveyed to the beholder.
[Ill.u.s.tration: Plate VII.
STUDY FOR THE FIGURE OF APOLLO IN THE PICTURE "APOLLO AND DAPHNE"
In natural red chalk rubbed with finger; the high lights are picked out with rubber.]
But to return to our infant mind. While the development of the perception of things has been going on, the purely visual side of the question, the observation of the picture on the retina for what it is as form and colour, has been neglected--neglected to such an extent that when the child comes to attempt drawing, #sight is not the sense he consults#. The mental idea of the objective world that has grown up in his mind is now a.s.sociated more directly with touch than with sight, with the felt shape rather than the visual appearance. So that if he is asked to draw a head, he thinks of it first as an object having a continuous boundary in s.p.a.ce. This his mind instinctively conceives as a line. Then, hair he expresses by a row of little lines coming out from the boundary, all round the top. He thinks of eyes as two points or circles, or as points in circles, and the nose either as a triangle or an L-shaped line. If you feel the nose you will see the reason of this.
Down the front you have the L line, and if you feel round it you will find the two sides meeting at the top and a base joining them, suggesting the triangle. The mouth similarly is an opening with a row of teeth, which are generally shown although so seldom seen, but always apparent if the mouth is felt (see diagram A). This is, I think, a fair type of the first drawing the ordinary child makes--and judging by some ancient scribbling of the same order I remember noticing scratched on a wall at Pompeii, and by savage drawing generally, it appears to be a fairly universal type. It is a very remarkable thing which, as far as I know, has not yet been pointed out, that in these first attempts at drawing the vision should not be consulted. A blind man would not draw differently, could he but see to draw. Were vision the first sense consulted, and were the simplest visual appearance sought after, one might expect something like diagram B, the shadows under eyes, nose, mouth, and chin, with the darker ma.s.s of the hair being the simplest thing the visual appearance can be reduced to. But despite this being quite as easy to do, it does not appeal to the ordinary child as the other type does, because it does not satisfy the sense of touch that forms so large a part of the idea of an object in the mind. All architectural elevations and geometrical projections generally appeal to this mental idea of form. They consist of views of a building or object that could never possibly be seen by anybody, a.s.suming as they do that the eye of the spectator is exactly in front of every part of the building at the same time, a physical impossibility. And yet so removed from the actual visual appearance is our mental idea of objects that such drawings do convey a very accurate idea of a building or object.
And of course they have great advantage as working drawings in that they can be scaled.
[Ill.u.s.tration: Diagram I.
A. TYPE OF FIRST DRAWING MADE BY CHILDREN, SHOWING HOW VISION HAS NOT BEEN CONSULTED
B. TYPE OF WHAT MIGHT HAVE BEEN EXPECTED IF CRUDEST EXPRESSION OF VISUAL APPEARANCE HAD BEEN ATTEMPTED]
If so early the sense of vision is neglected and relegated to be the handmaiden of other senses, it is no wonder that in the average adult it is in such a shocking state of neglect. I feel convinced that with the great majority of people vision is seldom if ever consulted for itself, but only to minister to some other sense. They look at the sky to see if it is going to be fine; at the fields to see if they are dry enough to walk on, or whether there will be a good crop of hay; at the stream not to observe the beauty of the reflections from the blue sky or green fields dancing upon its surface or the rich colouring of its shadowed depths, but to calculate how deep it is or how much power it would supply to work a mill, how many fish it contains, or some other a.s.sociation alien to its visual aspect. If one looks up at a fine ma.s.s of c.u.mulus clouds above a London street, the ordinary pa.s.ser-by who follows one's gaze expects to see a balloon or a flying-machine at least, and when he sees it is only clouds he is apt to wonder what one is gazing at. The beautiful form and colour of the cloud seem to be un.o.bserved. Clouds mean nothing to him but an acc.u.mulation of water dust that may bring rain. This accounts in some way for the number of good paintings that are incomprehensible to the majority of people. It is only those pictures that pursue the visual aspect of objects to a sufficient completion to contain the suggestion of these other a.s.sociations, that they understand at all. Other pictures, they say, are not finished enough. And it is so seldom that a picture can have this petty realisation and at the same time be an expression of those larger emotional qualities that const.i.tute good painting.
The early paintings of the Pre-Raphaelite Brotherhood appear to be a striking exception to this. But in their work the excessive realisation of all details was part of the expression and gave emphasis to the poetic idea at the basis of their pictures, and was therefore part of the artistic intention. In these paintings the fiery intensity with which every little detail was painted made their picture a ready medium for the expression of poetic thought, a sort of "painted poetry," every detail being selected on account of some symbolic meaning it had, bearing on the poetic idea that was the object of the picture.
But to those painters who do not attempt "painted poetry," but seek in painting a poetry of its own, a visual poetry, this excessive finish (as it is called) is irksome, as it mars the expression of those qualities in vision they wish to express. Finish in art has no connection with the amount of detail in a picture, but has reference only to the completeness with which the emotional idea the painter set out to express has been realised.
[Ill.u.s.tration: Plate VIII.
STUDY FOR A PICTURE
In red conte chalk and white pastel rubbed on toned paper.]
The visual blindness of the majority of people is greatly to be deplored, as nature is ever offering them on their retina, even in the meanest slum, a music of colour and form that is a constant source of pleasure to those who can see it. But so many are content to use this wonderful faculty of vision for utilitarian purposes only. It is the privilege of the artist to show how wonderful and beautiful is all this music of colour and form, so that people, having been moved by it in his work, may be encouraged to see the same beauty in the things around them. This is the best argument in favour of making art a subject of general education: that it should teach people to see. Everybody does not need to draw and paint, but if everybody could get the faculty of appreciating the form and colour on their retinas as form and colour, what a wealth would always be at their disposal for enjoyment! The j.a.panese habit of looking at a landscape upside down between their legs is a way of seeing without the deadening influence of touch a.s.sociations. Thus looking, one is surprised into seeing for once the colour and form of things with the a.s.sociation of touch for the moment forgotten, and is puzzled at the beauty. The odd thing is that although thus we see things upside down, the pictures on our retinas are for once the right way up; for ordinarily the visual picture is inverted on the retina, like that on the ground gla.s.s at the back of a photographic camera.
To sum up this somewhat rambling chapter, I have endeavoured to show that there are two aspects from which the objective world can be apprehended. There is the purely mental perception founded chiefly on knowledge derived from our sense of touch a.s.sociated with vision, whose primitive instinct is to put an outline round objects as representing their boundaries in s.p.a.ce. And secondly, there is the visual perception, which is concerned with the visual aspects of objects as they appear on the retina; an arrangement of colour shapes, a sort of mosaic of colour.
And these two aspects give us two different points of view from which the representation of visible things can be approached.
When the representation from either point of view is carried far enough, the result is very similar. Work built up on outline drawing to which has been added light and shade, colour, aerial perspective, &c., may eventually approximate to the perfect visual appearance. And inversely, representations approached from the point of view of pure vision, the mosaic of colour on the retina, if pushed far enough, may satisfy the mental perception of form with its touch a.s.sociations. And of course the two points of view are intimately connected. You cannot put an accurate outline round an object without observing the shape it occupies in the field of vision. And it is difficult to consider the "mosaic of colour forms" without being very conscious of the objective significance of the colour ma.s.ses portrayed. But they present two entirely different and opposite points of view from which the representation of objects can be approached. In considering the subject of drawing I think it necessary to make this division of the subject, and both methods of form expression should be studied by the student. Let us call the first method Line Drawing and the second Ma.s.s Drawing. Most modern drawing is a mixture of both these points of view, but they should be studied separately if confusion is to be avoided. If the student neglects line drawing, his work will lack the expressive significance of form that only a feeling for lines seems to have the secret of conveying; while, if he neglects ma.s.s drawing, he will be poorly equipped when he comes to express form with a brush full of paint to work with.
IV
LINE DRAWING
Most of the earliest forms of drawing known to us in history, like those of the child we were discussing in the last chapter, are largely in the nature of outline drawings. This is a remarkable fact considering the somewhat remote relation lines have to the complete phenomena of vision.
Outlines can only be said to exist in appearances as the boundaries of ma.s.ses. But even here a line seems a poor thing from the visual point of view; as the boundaries are not always clearly defined, but are continually merging into the surrounding ma.s.s and losing themselves to be caught up again later on and defined once more. Its relations.h.i.+p with visual appearances is not sufficient to justify the instinct for line drawing. It comes, I think, as has already been said, from the sense of touch. When an object is felt there is no merging in the surrounding ma.s.s, but a firm definition of its boundary, which the mind instinctively conceives as a line.
There is a more direct appeal to the imagination in line drawing than in possibly anything else in pictorial art. The emotional stimulus given by fine design is due largely to line work. The power a line possesses of instinctively directing the eye along its course is of the utmost value also, enabling the artist to concentrate the attention of the beholder where he wishes. Then there is a harmonic sense in lines and their relations.h.i.+ps, a music of line that is found at the basis of all good art. But this subject will be treated later on when talking of line rhythm.
The Practice and Science of Drawing Part 2
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