CHAPTER V

Of the Influence of Controlling Lines, Boundaries, Spaces, and

Plans in Designing--Origin of Geometric Decorative Spaces and

Panels in Architecture--Value of Recurring Line--Tradition--

Extension--Adaptability--Geometric Structural Plans--Frieze and

Field--Ceiling Decoration--Co-operative Relation.

The function of line considered from the point of view of its

controlling influence as a boundary, or inclosure, of design, upon which

I touched in the last chapter, is a very important one, and deserves

most attentive study.

The usual problem a designer in the flat has to solve is to fill

harmoniously a given space or panel defined by a line--some simple

geometric form--such as a square or a circle, a parallelogram, a

diamond, a lunette.

[Influence of Controlling Lines, etc.]

Now it is possible to regard such spaces or panels as more or less

unrelated, and simply as the boundaries of an individual composition or

picture of some kind. Yet even so considered a certain sense of

geometric control would come in in the selection of our lines and

masses, both in regard to each other and in regard to the shape of the

inclosing boundary. We seem to feel the need of some answering line or

re-echo in the character of the composition to the shape of its

boundary, to give it its distinctive reason for existence in that

particular form--just as we should expect a shell-fish to conform to the

shape of its shell. Such a re-echo or acknowledgment might be ever so

slight, or might be quite emphatic and dominate as the leading motive,

but for perfectly harmonious effect it must be there.

[Illustration (f064): Relation of Design to Boundary: Simple Linear

Motives and Pattern Bases.]

A strictly simple and logical linear filling of such spaces might be

expressed in the most primitive way, as in the illustration on p.

109[f064].

By these means certain primitive types of ornament are evolved, such as

the Greek volute and the Greek key or fret, the logical ornament of a

logical people.

Such arrangements of line form simple linear patterns, and a decorative

effect of surface is produced simply by their repetition, especially if

the principle of alternation be observed. This principle may be

expressed by taking, say, a series of squares or circles, and placing

them either in a line as for a border arrangement, or for extension

vertically and laterally over a surface, and filling only the alternate

square or circle, leaving the alternate ones, or dropping them out

altogether (see illustration, p. 111[f065]).

[Illustration (f065): Use of Intervals in Repeating the Same Ornamental

Units.]

When we desire to go beyond such primitive linear ornaments, however,

and introduce natural form, we should still be guided by the same

principles, if we desire to produce a strictly decorative effect, while

varying them in application to any extent.

It matters not what forms we deal with, floral, animal, human; directly

we come to combine them in a design, to control them by a boundary, to

inclose them in a space, we shall feel this necessity of controlling

line, which, however concealed, is yet essential to bring them into that

harmonious relation which is the essence of all design (see

illustration, p. 112[f066]).

[Illustration (f066): Designs of Floral, Human, and Animal Forms,

Governed by Shape of Inclosing Boundary.]

We may take it as a general rule that the more purely ornamental the

purpose of our design, and the more abstract in form it is, the more

emphatically we may carry out the principle of correspondence of line

between that of the inclosing boundary and that of the design itself;

and, _vice versa_, as the design becomes more pictorial in its appeal

and more complex and varied in its elements, the more we may combine the

leading motive or principle of line with secondary ones, or with

variations, since every fresh element, every new direction of line,

every new form introduced, demands some kind of re-echo to bring it into

relation with the other elements of the design, or parts of the

composition, whatever may be its nature and purpose.

Now, if we seek further the meaning and origin of this necessity of the

control of geometric lines and spaces in design, I think we shall find

it in the constructive necessities of architecture: for it is certainly

from architecture that we derive those typical spaces and panels the

designer is so often called upon to fill.

[Illustration (f067): The Parthenon: Sketch to Show Spaces Used for

Decorative Sculpture in Greek Architecture.]

[Origin of Geometric Decorative Spaces]

Lintel architecture--the Egyptian and the Greek--gave us the frieze,

both continuous, as in that of the Cella of the Parthenon, or divided by

triglyphs, which represented the ends of the beams of the primitive

timber construction; and the interstices left between these determined

the shape of the sculptured panel or slab inserted, and influenced the

character of its masses and the lines of its design, which was under the

necessity of harmonizing with the whole building (see illustration, p.

114[f067]).

[Illustration (f068): Tower of the Winds Athens BC 50]

The same may be said of the pediments. The angle of the low-pitched roof

left another interstice for the sculptor at each end of the building;

and I have elsewhere* pointed out the influence of the inclosing space

and the angles of the pediment of the Parthenon upon the arrangement of

the groups within it, and even upon the lines taken by some of the

figures, especially the reclining figures near the acute angles.

[*] See "Bases of Design."

Certain lines become inseparably associated with constructive

expression, and are used to emphasize it, as the vertical flutings of

the Doric column, by repeating the lines of the column itself, emphasize

its constructive expression of supporting the weight of the horizontal

lintels, the lines of which, repeated in the mouldings of the frieze and

cornice, are associated with level restfulness and secure repose.

As examples of design which, while meeting the structural necessities

and acknowledging the control of space and general conditions, as the

form of the slabs upon which they are sculptured, yet expresses

independent movement, the figures of the octagonal tower of the winds at

Athens are interesting (see illustration, p. 115[f068]).

Quite a different feeling, corresponding to differences in conception

and spirit in design, comes in with the Roman round _arch_ its allied

forms of _spandril_ and _vault_, _lunette_ and _medallion_, presenting

new spaces for the surface designer, and new suggestions of ornamental

line (see illustration, p. 117[f069]). It is noticeable how, with the

round-arched architecture under Roman, Byzantine (see illustration, p.

118[f070]), and Renaissance forms, the scroll form of ornament

developed, the reason being, I think, that it gave the necessary element

of recurring line, whether used in the horizontal frieze in

association with round arches, or in spandrils of vaults and arcades,

and on marble mosaic pavements.

[Illustration (f069): Sketch of Part of the Arch of Constantine to Show

Spaces for Decorative Sculpture in Roman Architecture.]

[Illustration (f070): Byzantine (Mosaic) Treatment of Architectural

Structural Features: Apse, S. Vitale Ravenna.]

[Value of the Recurring Line]

The development of Gothic architecture, with its new constructive

features and the greater variety of geometric spaces, forms, and

interstices which, as a consequence, were available for the designer of

associated ornament, whether carved work, mosaic, stained glass, or

painting, naturally led to a corresponding variety in invention and

decorative adaptation; and we may trace the same principle at work in

other forms--I mean the principle of corresponding, counterbalancing,

and recurring line--Gothic ornament being indeed generally an essential

part of the structure, and architectural features being constantly

repeated and utilized for their ornamental value, as in the case of

canopies and tabernacle work.

We see, for instance, in the Decorated period the acute gable moulding

over the arched recess, niche, doorway, or tomb, lightened and vivified

by a floriated finial springing into vigorous curves from a vertical

stem, forming an emphatic ogee outline which re-echoes the ogee line of

the arch below, and is taken up in variations by the crockets carved

upon the sides of the gable; and their spiral ascending lines lead the

eye up to the finial which completes the composition. We may trace the

same principle in the carved fillings of the subsidiary parts, such as

the trefoiled panels, the secondary mouldings, and the cusps of the

arches, which continue the line-motive or decorative harmony to the last

point (see illustration, p. 120[f071]). The elegance and lightness of

the pinnacles is increased in the same way, and further emphasized by

the long vertical lines of the sunk panels upon their sides.

[Illustration (f071): From Canopy of Tomb of Gervaise-Alard 1303. Temp

ED^wd^ I^st^ Winchelsea]

In church doorways we may see certain voussoirs of the arch allowed to

project from the hollow of the concave moulding, and their surfaces

carved into bosses of ornament; while, again, the doorway is emphasized

by the recurring lines of the mouldings, with their contrasting planes

of light and shadow, and the point of their spring is marked by a

carved lion, controlled in the design of its contour by the squareness

of the block of stone upon which it is carved (see illustration, p.

121[f072]).

[Illustration (f072): Structural Control of Line in Architectural

Enrichments West Door Walberswick Ch. Suffolk]

The carvings of miserere seats in our cathedral choirs often afford

instances of ingenious design and arrangement of elements difficult to

combine, yet always showing the instinct of following the control of the

dominating form and peculiar lines of the seat itself. There is an

instance of one from St. David's Cathedral--apparently a humorous

satire--a goose-headed woman offering a cake to a man-headed gull (?),

or perhaps they are both geese! I won't pretend to say, but it evidently

is intended to suggest cupboard love, and there is a portentously large

pitcher of ale in reserve on the bench. But note the clever arrangement

of the masses and lines, and how the lines of the seat and the curves

of the terminating scroll are re-echoed in the lines of the figures and

accessories.

[Illustration (f073): C. 1460-1480 Wood Carving Miserere Seat Choir

Stalls St. David's Cathedral. Controlling Line in Design of Subsidiary

Architectural Decoration.]

A stone-carving from the end of a tomb in the same cathedral--that of

Bishop John Morgan, 1504--of a griffin with a shield shows an emphatic

repetition of the inclosing line of the arched recess in the curves of

the wings which follow it.

[Illustration (f074): Recessed Panel Carved Stone From the Tomb of

Bishop John Morgan D. 1504, St. David's Cathedral.]

There is also a charming corbel of a half-figure of an angel, which,

though somewhat defaced, shows the architectural sense very strongly in

its design--the vertical droop of the wing-feathers inclosing the figure

repeating and continuing the vertical lines of the shafts and the

subsidiary mouldings of the arrangement of the drapery, and its

termination in crisp foliated forms, which pleasantly counterbalance the

set of the scale feathers of the wings and break the semicircular

mouldings of the base of the corbel, repeating those of the shafts

above.

[Illustration (f075): Constructive Line Reechoed in Architectural

Ornament. Corbel, Bishop Vaughan's Chapel, St. David's 1509-]

[Adaptability in Design]

[Illustration (f076): Gothic Tile Pattern S. David's Cath^l.]

Adaptation to spaces upon a flat surface is also illustrated in some

tile patterns from the same place. They are simple and rude but very

effective bits of spacing, and show a thorough grasp of the principles

we have been considering--if, indeed, it is so far conscious work at

all. But whether or not the outcome of a tradition which seemed to be

almost instinctive with mediaeval workmen--a tradition which yet left the

individual free, and under which design was a thing of life and growth,

ever adapting itself to new conditions, and grafting freely new

inventions to flower in fresh phantasy upon the ancient stock--the

movement in art in the Middle Ages, exhibiting as it does a gradual

growth and a constant vitality, always accompanying and adapting itself

to structural changes, to life and habit, was really more analogous to

the development of mechanical science in our own day, where each new

machine is allied to its predecessors, though it supplants them. The one

law being adaptability, the one aim to apply means to ends, and more and

more perfectly, inessentials and superfluities are shed, and invention

triumphs. It is, too, a collective advance, since each engineer, each

inventor, builds upon the experience of both his forerunners and his

fellow-workers, and everything is brought to an immediately practical

test.

We are not yet in the same healthy condition as regards art, and art can

never be on the same plane as science, though art may learn much from

science, chiefly perhaps in the direction of the inventive adaptation of

analogous principles. But in art the question is complicated by human

feeling and association, and her strongest appeal is to these, and by

these, and as yet we do not seem to have any terms or equivalents

precise enough to describe, or any analysis fine enough to discover

them.

[Extension]

The next consideration in spacing we may term _extension_. This bears

upon all surface design, but more especially upon the design of patterns

intended to repeat over a large surface, and not specially designed for

particular spaces. It is a great question whether any design can be

entirely satisfactory unless it has been thought out in relation to some

particular extent of surface or as adapted to some particular wall or

room. Modern industrial conditions preclude this possibility as a rule,

and so the only sure ground, beyond individual taste and preference, is

technical adaptability to process or material. We should naturally want

to give a different character to a textile pattern, whether printed or

woven, and intended to hang in folds, from one for flat extension as a

wall-paper; and a different character again to such designs intended for

extension horizontally from those intended for vertical space alone.

Floor patterns, parquets and carpets, for instance, naturally demand

different treatment from wall patterns, as those orders of plants in

nature which cling and spread on the flat ground differ from those which

grow high and maintain themselves in the air, or climb upon trees. The

rule of life--_adaptability_--obtains in art as in nature, and, beneath

individual preference and passing fashion, works the silent but real law

of relation to conditions. This again bears upon the choice of scale,

and differentiates the design of dress textiles from furniture textiles,

and the design of varied surfaces and objects, which, while demanding

their own particular treatment, are brought into general relation by

their association with use and the wants of humanity.

[Illustration (f077a): Extension: Surface Pattern Motives Derived from

Lines of Structure.]

[Geometric Structural Plans, etc.]

The law governing extension of design over surface is again geometric,

and our primal circle and square are again the factors and progenitors

of the leading systems which have governed the design of diapers and

wall patterns and hangings of all kinds. Nay, the first weaver of the

wattled fence discovered the principle of extension in design, and

showed its inseparable association with construction; and the builder

with brick or stone emphasizes it, producing the elements of linear

surface pattern, from the mechanical necessity of the position of the

joints of his structure. At a German railway station waiting-room I

noticed an effective adaptation of this principle as a wall decoration

in two blues upon a stone colour (see illustration, p. 128[fig077a]). We

may build upon such emphatic structural lines, either incorporating them

with the design motive, as in all rectangular wall diapers, or we may

suppress or conceal the actual constructive lines by placing the

principal parts or connections of our pattern over them, but one cannot

construct a satisfactory pattern to repeat and extend without them; for

these constructive lines or plans give the necessary organic life and

vigour to such designs, and are as needful to them as the trellis to the

tendrils of the vine (see illustration, p. 129[f077b]).

[Illustration (f077b): Surface Extension: Repeating Patterns Built Upon

(1) Square and (2) Circular Basis.]

The same principle is true of designs upon the curvilinear plan. The

mere repetition of the circle by itself gives us a simple geometric

pattern, and we are at liberty to emphasize this circular plan as the

main motive; or, as in the case of the rectangular plans, to treat it

merely as a basis, and develop free scroll motives upon it; or follow

it through its principal variations, as in the ogee, formed by dropping

out two intermediate semicircles; or the various forms of the scale

arrangement. These simple geometric plans are the most generally useful

as plans of designs intended for repetition and extension over space,

and they are always safe and sound systems to build upon, since a

geometric plan is certain to join comfortably if our measurements are

right.

[Illustration (f078): Surface Extension: Plan of a Drop Repeat.]

We may, however, often feel that we want something bolder and freer, and

start with a motive of sweeping-curves, non-geometric, but even then a

certain geometric relation will be necessary, or an equivalent for it,

since each curve must be counterbalanced in some way, though not

necessarily symmetrically, of course; and even where a square of

pattern--say to a wall-paper repeat of twenty-one inches--has been

designed, not consciously upon a geometric base, but simply as a

composition of lines and masses to repeat, the mechanical conditions of

the work when it comes to be printed will supply a certain geometric

control, since it necessarily begins in the process of repetition a

series of squares of pattern in which the curves are bound to recur in

corresponding places. Without a geometric plan of some sort, however, we

may easily get into difficulties with awkward leading lines, gaps, or

masses, that tumble down, and are only perceived when the paper is

printed and hung.

The designer should not feel at all restricted or cramped by his

geometric plan, but treat it as an aid and a scaffolding, working in as

much variety and richness of detail as he likes, bound only by the

necessity of repeating or counterbalancing his forms and lines. In the

diagram (p. 131[f078]) the plan of making a repeat less obvious by means

of what is termed "a drop" is given, and this system also increases the

apparent width of a pattern.

[Frieze and Field]

The feeling which demands some kind of contrast or relief to a field of

repeating pattern, however interesting in itself, seems now almost

instinctive. It is felt, too, in the case of plain surfaces, where the

eye seeks a moulding to give a little variety or pattern-equivalent in

play of light and shadow upon different planes, lines, or concavities

and convexities. The common plaster cornice placed to unite walls and

ceiling, in our ordinary houses, is a concession (on the part even of

the jerriest of builders) to the aesthetic sense. We get the decorated

frieze in architecture in obedience to the same demand, though

originally a necessary feature of lintel construction, as we have seen,

from the days of the festal garland hung around the eaves of the classic

house, to its perpetuation in stone in so many varieties.* The carved

garland depending in a series of graceful curves, or contrasted with

pendants, or their rhythm punctuated, as it were, by ox-heads, as on the

temple of the Sibyls, Tivoli, formed the needed contrast to the plane

masonry of the wall below. Sculptured figures, with the added interest

of story, as on the choragic monument of Lysicrates, fulfilled the same

decorative function in a more complex and elaborate way.

[*] "Bases of Design."

To satisfy the same feeling we place a frieze above the patterned field

of our modern wall-papers. Such a frieze may be considered as a

contrasting border to the pattern of the field, much as the border of a

carpet, allowing for difference of material and position; or the frieze

may assert itself as the dominant decoration of the room. In this case

it would be greater in depth than the simpler bordering type. The

interest of the field filling would then be subsidiary, and lead up to

the frieze. In wall-paper friezes the difficulty in designing is to

think of a motive which will not tire the eye in the necessarily

frequent repeats of twenty-one inches. Longer ones have occasionally

been produced, the limit being sixty inches. It is often a good plan to

recur in the main lines or forms of the frieze to some variation of the

lines or forms of the field. If, for instance, the main motive in the

field was a vertical scroll design, a _horizontal_ scroll design upon a

large scale used for the frieze would answer, the field being kept flat

and quiet; or the fan, or radiating shell form, used as a frieze, above

a pattern on the scale plan, would be quite harmonious. Relation and

balance of line and mass, and arrangement of quantities in such designs,

are the chief considerations.

With painting or modelling an artist is freer, as he is at liberty to

design a continuous frieze of figures, and introduce as much variety as

he chooses.

A painted frieze of figures above plain oak-panelling has a good effect

in a large and well-proportioned room, and is perhaps one of the

pleasantest ways of treating interior walls.

[Illustration (f079): Sketch Designs to Show Relation Between Frieze

and Field in Wall-paper.]

[Ceiling Decoration]

Ceiling decoration, again, presents problems of extension in designing,

and the large flat plaster ceilings of modern rooms are by no means easy

to deal with satisfactorily. The simplest way is to resort to

wall-paper, and here, restricted in size of repeat and the usual

technical requirements of the work, the designer must further consider

appropriateness of scale, and position in regard to eye, relation to the

wall, and so forth.

The natural demand is for something simpler in treatment than the

walls--a re-echo, in some sort, of plans agreeable to the floor, yet

with a suggestion of something lighter and freer: here we may safely

come back to rectangular and circular plans again for our leading lines

and forms.

Painting and modelling, again, offer more elaborate treatment and

possibilities, and we know that beautiful works have been done in both

ways; but art of this kind seems more appropriate to lofty vaulted

chambers and churches, such as one sees in the palaces of Italy, at

Genoa and Venice, at Florence and Rome.

I remember a very striking and bold treatment of a flat-beamed ceiling

in the Castle of Nuremberg, where a huge black German eagle was painted

so as to occupy nearly the whole field of the ceiling, but treated in an

extremely flat and heraldic way, the long feathers of the wings

following the lines of the beams and falling parallel upon them and

between them; and upon the black wings and body of the eagle different

shields of arms were displayed in gold and colours, the eagle itself

being painted upon the natural unpainted wood--oak, I think. The work

belonged to the thirteenth or fourteenth century, I believe. It seemed

the very antithesis of Italian finesse and fancy, but the fitness of

such decoration entirely depends upon its relation to its surroundings,

which in this case were perfectly appropriate.

[Co-operative Relation]

That is the great point to bear in mind in all design--the sense of

relation; nothing stands alone in art. Lines and forms must harmonize

with other forms and lines: the elements of any design must meet in

friendly co-operation; it is not a blind struggle for existence, a

fierce competition, or a strife for ascendency between one motive and

another, one form and another, or a war of conflicting efforts. There

may be a struggle _outside_ the design, in the mind of the designer. He

may have tried hard against difficulties to express what he felt, and

have only reached harmony through discord and strife, but the work

itself should be serene; we should feel that, however various its

elements, they are not without their purpose and relation one to

another, that all is ordered and organized in harmonious lines, that

everything has its use and place, that, in short, it illustrates that

excellent motto, whether for art or life: "Each for all, and all for

each."

Line and Form (1900) · 第 5 / 10 章