JP2002175537A - Method and device for image generation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a device for image generation which permit easy generation of a block pattern having many polygonal closed areas and easy pasting of a pattern of desired texture to the closed areas of the generated block pattern, one by one, and, in particular, easy correction of the pasting of the pattern. SOLUTION: The block pattern having many polygonal closed areas is generated to generate a pasted image 11 having a pattern pasted on the respective closed areas. When an arbitrary closed area is specified in the pasted image 11, a texture image 12 on which the pattern pasted on the closed area is based is displayed and a polygon 13b in the same shape with the polygon 13a encircling the specified closed area is displayed on the texture image 12. The polygon 13b is moved, rotated, varied in magnification, and so on on the texture image 12 to determine a pattern to be put in the polygon 13b. The pattern put in the polygon is reversed and reverse varied in magnification by as much as the pattern is rotated and varied in magnification, so that the pattern is pasted in the closed area encircled with the polygon 13a in the pasted image 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for creating a block pattern having a large number of polygonal closed areas and pasting a picture of a desired texture to each closed area to create a pasted image. About.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 18, an image in which an appropriate pattern such as a wood pattern is cut out as a rectangular block and pasted in a tile shape is known. Widely used for building materials such as flooring and flooring.
Although FIG. 18 shows a case where a grain pattern is used,
The pattern cut into rectangular blocks is not limited to the wood pattern, but may be a stone pattern or any other pattern. In addition to the rectangular blocks, FIG.
A large number of polygonal blocks as shown in (a), (b) and (c) are arranged, and a desired pattern is pasted on each closed region of each of the arranged polygonal blocks. ing. 19A is a block pattern in which blocks called inlays are arranged, and FIG. 19B is a block pattern in which hexagonal blocks are arranged. 19 (c)
Is a block pattern in which blocks called herringbone are arranged.

When an image as shown in FIG. 18 is created,
Alternatively, when a picture of a desired texture is pasted on each closed area of a block pattern as shown in FIGS. 19A to 19C, conventionally, an operator manually changes a rectangular shape from a printed matter of an appropriate picture by hand. If you actually cut out the block and create it by arranging it, or if you create such an image on a computer, display the image of the appropriate pattern to cut out the rectangular block on the screen, It is necessary to specify a region to be cut out and further specify where to place the cut-out rectangular block by inputting coordinate values.

[0004]

However, when such an image is used as a building material such as a floor material or a wallpaper, the size of an image to be created may be a large image of about 1 mx 1 m. Since many and many polygonal blocks are arranged, the work load on the operator is very large, and the repair work is very troublesome.

Accordingly, the present invention is to easily create a block pattern having a large number of polygonal closed areas and to paste a picture of a desired texture to each closed area of the created block pattern. In particular, it is an object of the present invention to provide an image creating method and apparatus which can easily correct the pasting of a picture.

[0006]

In order to solve the above-mentioned problems, the present invention provides a block pattern having a large number of polygonal closed regions, and pastes a picture into each closed region formed in the block pattern. After creating the paste image,
This pasted image is displayed, a closed area to be corrected is selected on the displayed pasted image, and a polygon surrounding the closed area to be corrected by being selected is displayed on the designated picture, and specified. Determine the position of the polygon on the pattern, cut out the pattern based on the determined position of the polygon, and position the cutout pattern on the polygon block pattern and the determined position on the pattern. Based on the relationship, a conversion process is performed and the data is pasted into a corresponding closed area of the block pattern. According to the present invention, after creating a pasting image by generating a block pattern and pasting a pattern, a closed region to be corrected is selected on the pasting image, and a polygon surrounding the selected closed region is selected. Is displayed on the designated picture, the picture to be cut is determined by changing the position of the polygon on the designated picture, and the cut picture is closed based on the relationship between the repositioned polygon and the corresponding closed area. , It is possible to easily correct the pattern on the pasted image once created.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a configuration diagram showing an embodiment of an image creating apparatus according to the present invention. In FIG. 1, 1 is an arithmetic processing unit, 2 is a storage unit, 3 is an instruction input unit, and 4 is a display unit.

The arithmetic processing means 1 plays a central role in the image forming apparatus, and is actually realized by a CPU of a computer, a memory, and a dedicated program mounted on the memory. The storage unit 2 is realized by an external storage device such as a hard disk. The instruction input means 3 is realized by a device such as a keyboard and a mouse capable of instructing and inputting information to a computer from outside. The display unit 4 is realized by a device capable of displaying information processed by a computer, such as a liquid crystal display.

The storage means 2 stores various information such as a basic shape of a block used when creating a block pattern, a texture image serving as a basis of a picture to be pasted into each closed region of the created block pattern, and the like. Have been. Here, some of the block shapes stored in the storage means 2 are shown in FIG. FIG. 2A shows a hexagonal shape, and FIG.
(B) and (c) show two types of inlay shapes, and FIG. 2 (d) shows a herringbone shape. The inlay shown in FIG. 2B has a rectangular shape as a whole by surrounding the center square with four rectangles, and the inlay shown in FIG.
The square at the center is surrounded by four trapezoids, and the shape is a square as a whole. Therefore, there are five closed areas in one inlay block. In the inlay shown in FIG. 2B, the block width indicated by H in the figure can be set arbitrarily. Further, as for the shape of the herringbone, the length L of the arrow blade shown in FIG. 2D can be arbitrarily set.

[0010] The storage means 2 also stores a texture image serving as a basis for a picture to be pasted into each closed region of the created block pattern. This texture image may be obtained by reading a document of an image of a desired pattern with a color scanner and registering it in the storage unit 2 as an image file.

Hereinafter, the processing operation of the image creating apparatus shown in FIG. 1 will be described together with an image creating method. (Block Pattern Arranging Square Blocks) First, a block pattern in which square blocks are arranged as shown in FIG. 17 is created, and a pattern of a desired texture is pasted into each closed region of the block pattern. The operation in this case will be described. In this case, it is clear that each closed area of the block pattern is a square block. Here, it is assumed that the size of the image to be created and the width and length of each rectangular block are specified by the customer.

In this case, the operator first selects a menu for generating a rectangular block pattern from the instruction input means 3. Then, the vertical and horizontal sizes of the image to be created are input from the instruction input unit 3 and set. The size of the image to be created is the size specified by the customer. Thereby, the arithmetic processing means 1 defines the xy orthogonal coordinate system and stores the coordinates of the four vertices of the rectangle of the set size. At this time, for determining the coordinate values of the four vertices, for example, the upper left vertex of the rectangle may be set as the origin. Then, as shown in FIG. 3A, the arithmetic processing means 1 draws a rectangle corresponding to the set size of the created image and displays it on the display means 4.

Next, the operator sets predetermined coordinate values on the x-axis from the instruction input means 3 in order to create a stripe pattern. The coordinate values to be set are such that the width of each stripe of the stripe-shaped pattern is as specified by the customer. Thereby, the arithmetic processing means 1 stores the set coordinate values on the x-axis,
A straight line is drawn in the y-direction from the set coordinate position on the x-axis to create a stripe-shaped pattern.
To be displayed. For example, assuming that the coordinate value of the position indicated by the black dot “●” in FIG.
A stripe pattern shown in (c) is created and displayed on the display unit 4.

Next, the operator sets the coordinate value of the lower left vertex of each rectangular block from the instruction input means 3 based on the instruction of the customer. Thereby, the arithmetic processing means 1 stores the set coordinate values, draws a straight line from the set coordinate position to the vertical line of the adjacent stripe in the x direction, and displays the straight line on the display means 4. For example, assuming that a coordinate value of a position indicated by a black dot “●” in FIG. 3D is set, the arithmetic processing unit 1 creates a stripe pattern shown in FIG. 3E and displays it on the display unit 4. .

That is, coordinate values on the x-axis are set to create the above-mentioned stripe pattern, and coordinate values for determining the lower left vertex of each of the above-described square blocks are set. This is nothing but setting the coordinate values of the vertices that define each rectangular block.

By the above processing, a block pattern is created. The arithmetic processing means 1 uses the coordinate values of the four vertices of the image to be created and the coordinate values of the vertices defining each set square block. , The number of created rectangular blocks (closed areas), and the coordinate values of the four vertices of all the rectangular blocks in the created block pattern are calculated and stored. This becomes the pattern data of the block pattern. For example, if the block pattern shown in FIG. 3 (e) is created, this block pattern has 11 square blocks. However, the arithmetic processing means 1 determines that 11 square blocks have been created. In addition to recognizing and storing, the coordinate values of four vertices are obtained and stored for all of these eleven square blocks.

After the block pattern in which the rectangular blocks are arranged is created as described above, the pattern of the texture image is pasted on each rectangular block of the block pattern.

As a specific procedure, first, the operator specifies an image file of a texture image to be used for pasting a picture from the instruction input means 3. When specifying the image file, for example, the image file may be read from the storage unit 2 and displayed on the display unit 4, and if desired, the image file may be specified.

The arithmetic processing means 1 fetches the specified texture image from the storage means 2 and extracts a picture to be pasted into each square block based on the block pattern data. An example of the process in that case is shown in the flowchart of FIG.

The arithmetic processing means 1 first calculates the number of square blocks from the pattern data of the block pattern,
The size of the texture image is recognized (step S1).
Here, the number of rectangular blocks is num, and the size of the texture image is gw (horizontal direction) × gh (vertical direction).

Next, assuming that i = 1 (step S2), i
First, here, a pointer for extracting the pasted pattern for the first rectangular block is set at the position (tx (i), ty (i)) of the designated texture image. Here, the x-coordinate tx (i) and the y-coordinate ty (i) of the pointer are calculated by, for example, using a random number that generates a value in the range of [0, 1] as follows: tx (i) = RND × GW ty (i) = RND × gh (step S3).

Then, tx (i) + w (i)>
It is determined whether any of GW or ty (i) + h (i)> gh is satisfied (step S4). Where w
(I) and h (i) are the width and length of the i-th, here, first, rectangular block to which the picture is to be pasted, respectively. Therefore, in step S4, it is determined whether or not the area of the rectangular block protrudes from the texture image, with the position of the pointer as the upper left vertex.

If the arithmetic processing means 1 determines in step S4 that the region extracted as the pasted pattern is protruded from the texture image, it returns to step S3, re-defines the position of the pointer, and determines in step S4. Perform

However, if it is determined in step S4 that the area extracted as the pasted pattern does not protrude from the texture image, the position of the pointer is set to the upper left vertex and the rectangular area of the size of the square block is set. Is extracted and copied and registered as a pasting pattern for the i-th square block. And then i
Is incremented (step S5), and it is determined whether or not the incremented value of i is larger than the number of blocks num (step S6).

If the value of i is equal to or less than num in the determination in step S6, the processing unit 1 returns to step S3 to perform a process of extracting a pasting picture for the (i + 1) -th square block. However, if the value of i exceeds num in the judgment of step S6, the arithmetic processing means 1
Ends the processing. When the arithmetic processing means 1 extracts the pasted designs for all the square blocks as described above, the arithmetic processing means 1 stores the extracted pasted designs and stores the corresponding pasted designs for each square block. The information is pasted, combined, and displayed on the display unit 4.

Thus, the operator operates the display means 4
By observing the screen, it is possible to confirm what kind of image has been obtained. Then, if there is no need for correction, registration is instructed from the instruction input means 3. When the registration is instructed, the arithmetic processing unit 1 registers the pattern data of the block pattern and the data of each pasting pattern in the storage unit 2 in association with each other.

Note that the above is the operation when one texture image is specified. When a plurality of texture images are specified, first, when extracting a pasting pattern for each square block, What texture image to extract from is selected by a random number or the like, and then the above-described processing is performed on the selected texture image.

(Block Pattern Arranging Hexagonal Blocks) A block pattern in which rectangular blocks are arranged is described above, and a pattern of a desired texture is pasted in each closed region of the block pattern. The operation has been described. Next, an operation in the case where a block pattern in which hexagonal blocks are arranged and a desired texture pattern is pasted into each closed region of the block pattern will be described.

In this case, first, the operator selects a menu for generating a hexagonal block pattern from the instruction input means 3. And the size of the image to be created,
The number of hexagonal blocks arranged in the horizontal direction and the number of arrangements, and the number of arrangements of the hexagonal blocks in the vertical direction are set.

As a result, the arithmetic processing means 1 performs xy
Is defined, the coordinates of the four vertices of the rectangle of the size of the image to be created are stored, the hexagonal block shape is read from the storage means 2, and the size of the read hexagonal block is set. A block pattern is created by arranging hexagonal blocks without gaps so as to fit within the size of the set created image by the set number in the vertical and horizontal directions. Then, with respect to all the arranged hexagonal blocks, the coordinates of the vertices are obtained and stored. At this time, the coordinates of the vertices may be determined, for example, by setting the upper left vertex of the rectangle of the image to be created as the origin.

Then, the arithmetic processing means 1 displays the created block pattern on the display means 4. For example, if the size of an image to be created is as shown in FIG. 5A, and the number of arrangements in the vertical direction and the number of arrangements in the horizontal direction are both three, the block pattern is as shown in FIG. become. Note that the rectangle cannot be completely filled with hexagons, and a closed area that is not hexagonal as shown by a and b in FIG. 5B is generated. In this case, the arithmetic processing means 1 The object is also recognized as one closed area, and the coordinate value of the vertex is obtained. Therefore, the operation processing means 1
The closed area indicated by a in FIG. 5B is recognized as a closed area of a triangle, and the coordinate values of the three vertices are obtained.
Is recognized as a rectangular closed area, and the coordinate values of the four vertices are obtained.

Therefore, in this case, the pattern data of the block pattern includes the coordinate values of the four vertices of the image to be created,
And the number of all closed areas and the coordinate values of the vertices of each of these closed areas. Then, the arithmetic processing means 1 stores the pattern data. As described above, the block pattern is created. In this image creating apparatus, the position of a desired vertex can be corrected.

When one vertex is designated and moved in the block pattern displayed on the display means 4, the arithmetic processing means 1 obtains all closed areas having the vertex, and calculates those closed areas. To change the coordinate value of the vertex to the position after the movement. The designation and movement of the desired vertex are performed by dragging the desired vertex with the mouse and operating the mouse to move it to the desired position. For example, when a block pattern as shown in FIG. 6 is displayed on the display unit 4 and the vertex indicated by A in FIG. 6 is dragged and moved to the position indicated by B in FIG. The coordinate value of the designated vertex is detected, and a closed area having the vertex is obtained.
In this case, the arithmetic processing unit 1 detects that the vertex indicated by A in FIG. 6 is shared by the closed region indicated by, in the figure. Then, the arithmetic processing means 1 detects the coordinate value of B, which is the position after the movement, and calculates A
Is changed to the coordinate value of B. As a result, the block pattern is modified as shown in FIG.
By performing the above operation on a desired vertex,
The block pattern can be corrected manually.
It goes without saying that the pattern data is also changed with the correction of the block pattern.

After a desired block pattern is created as described above, a texture pattern is pasted on each closed region of the block pattern.
Since the method of attaching the texture pattern is the same as described above, the description is omitted. However, when the pattern is automatically pasted, it is determined in step S4 in FIG. 4 whether or not the closed area where the pattern is to be pasted protrudes from the texture image.

(Block Pattern Arranged with Inlay Blocks) A block pattern in which hexagonal blocks are arranged is prepared as described above, and a pattern of a desired texture is pasted into each closed region of the block pattern. The operation has been described. Next, the operation when a block pattern in which inlay blocks are arranged and a desired texture pattern is pasted into each closed region of the block pattern will be described.

In this case, first, the operator selects a menu for generating an inlay block pattern from the instruction input means 3. Then, which of the two types of inlays to use, the specification of the pattern, the vertical and horizontal sizes of the image to be created, the number of inlay blocks to be arrayed in the vertical and horizontal directions, the number of arrays and the width of the gap Set. When the inlay shown in FIG. 2B is specified, the value of the block width H is set.

Here, the width of the gap is as follows. When arranging the inlay blocks, instead of gaps arranged without the inlay blocks, so that the provision of the gap [delta] ₁ between inlay blocks adjacent as shown in FIG. 8 is a normal, the gap [delta] it is to set the _first width. For example, when printing an image in which a pattern is pasted on each closed area of a block pattern as shown in FIG. 8, as shown in FIG. 9, the image is copied several times vertically and horizontally without any gaps. A large plate image is created to create a printing plate, but when such an image is copied vertically and horizontally without a gap, a gap is created between adjacent inlay blocks, and the inlay block is as neatly arranged, left or either end portion of the right end of the block pattern as shown in FIG. 8, and the upper end or respectively on either end of the lower end it is necessary to provide a gap [delta] _2. From the above, δ ₁ = δ ₂ . From the above, the width of the gap δ ₁ (= δ ₂ ) is set. In addition,
Although a gap [delta] ₂ is provided at the right end and the lower end of the image to create 8, the gap [delta] ₂ may be provided at the left end and lower end,
It may be provided on the right end and the upper end, but those may be provided on the left and top, wherein as shown in FIG. 10, a gap [delta] ₂
Is set to be provided at the right end and the lower end of the image to be created. FIG. 9 shows a state where an image in which a picture is pasted on each closed region of the block pattern shown in FIG. 8 is copied twice in the vertical and horizontal directions without any gap.

Now, it is assumed that the inlay shown in FIG. 2B is used, the value of the block width H is set, and the number of arrays in both the vertical and horizontal directions is two. Defines an xy orthogonal coordinate system, stores the coordinates of the four vertices of the rectangle of the image size to be created, reads the block shape of the specified inlay from the storage means 2, and reads the block of the read inlay. A block pattern is created by arranging the inlay blocks in such a size that the size fits within the set size of the created image by the set number of arrays in the vertical and horizontal directions. At this time, the arithmetic processing means 1 sets the block width H of each inlay block to a set value, and provides a gap of the set value between adjacent inlay blocks and at the right end and the lower end of an image to be created. That is natural.

Then, the arithmetic processing means 1 obtains and stores the coordinates of the vertices of each closed region of all the arranged inlay blocks. Therefore, when focusing on one inlay block, the coordinate values of the vertices are stored for the five closed regions shown in FIG. In this case, as the vertices storing the coordinate values, not only the actual vertices but also the coordinate values of the positions in contact with the vertices of the adjacent closed area are stored as vertices. Therefore, for the closed area shown in FIG. 10, not only the coordinate values of the vertices indicated by black circles “●” in the figure but also the coordinate values of the positions indicated by black squares “■” in the figure are stored as the coordinate values of the vertices. become. A position indicated by a black square “■” in the drawing is a position in contact with the upper right vertex of an adjacent closed region. In other words, the closed area shown in FIG. 10 is a square in appearance, but the arithmetic processing means 1 recognizes it as a pentagon. The same applies to the closed areas indicated by to in FIG. To determine the coordinate values of the vertices, for example, the origin may be the vertex at the upper left of the rectangle of the image to be created.

Therefore, in this case, the pattern data of the block pattern includes the coordinate values of the four vertices of the image to be created,
And the number of closed areas, and the coordinate values of the vertices of each closed area. Then, the arithmetic processing means 1 stores the pattern data. Then, the arithmetic processing unit 1 displays the created block pattern on the display unit 4. Therefore,
In this case, a block pattern as shown in FIG. 9 is displayed.

As described above, a block pattern in which inlay blocks are arranged in an orderly manner is created. In this image creating apparatus, the position of a desired vertex can be corrected. When one vertex is specified and moved in the block pattern displayed on the display unit 4, the arithmetic processing unit 1 obtains all closed regions having the vertex, and calculates the vertex of the closed region. Is performed to change the coordinate value of the position to the position after the movement. The designation and movement of the desired vertex are performed by dragging the desired vertex with the mouse and operating the mouse to move it to the desired position. For example, the display means 4 shown in FIG.
When the block pattern shown in is displayed,
Assuming that the vertex indicated by A in the figure is dragged and moved to the position indicated by B in the figure, the arithmetic processing unit 1 detects the coordinate value of the vertex and obtains a closed area having the vertex. In this case, the arithmetic processing unit 1 detects that the vertex indicated by A in FIG. 11 is shared by the closed areas indicated by A, B, and C in FIG. Then, the arithmetic processing means 1 detects the coordinate value of B, which is the position after the movement, and changes the coordinate value of the vertex of A in each of the closed areas A, B, and C in FIG.
Thereby, the block pattern is modified as shown in FIG. By performing the above operation on a desired vertex, the block pattern can be manually corrected. It goes without saying that the pattern data is also changed with the correction of the block pattern.

After a desired block pattern is created as described above, a texture pattern is pasted on each closed region of the block pattern.
The method of pasting the texture pattern is the same as described above, and a description thereof will be omitted. However, when the pattern is automatically pasted, in step S4 of FIG. 4, it is determined whether or not the size of the closed area where the pattern is to be pasted is outside the texture image. In the above description, the inlay shown in FIG. 2B is used, but the same applies to the case where the inlay shown in FIG. 2C is used.

(Block Pattern Arranging Herringbone Blocks) An operation in the case where a block pattern in which inlay blocks are arranged is created and a pattern of a desired texture is pasted into each closed region of the block pattern Next, an operation of creating a block pattern in which herringbone blocks are arranged and pasting a picture of a desired texture in each closed region of the block pattern will be described.

In this case, the operator first selects a herringbone block pattern generation menu from the instruction input means 3. Then, the vertical and horizontal sizes of the image to be created, the number of herringbone blocks to be arranged in the vertical and horizontal directions, the number of arrangements, and FIG.
The arrow blade length L shown in (d) is input and designated.

As a result, the arithmetic processing means 1 performs xy
Is defined, the coordinates of the four vertices of the rectangle of the image size to be created are stored, the block shape of the herringbone is read out from the storage means 2, and the read-out block size of the herringbone is changed to the set created image. The block pattern is created by arranging the blocks of the herringbone so as to fit within the set number of arrangements in the vertical and horizontal directions. At this time, it is natural that the arithmetic processing means 1 sets the arrow blade length L of each herringbone to the set value.

An example of the operation of the arithmetic processing means 1 when creating a block pattern will be described more specifically as follows. For example, first, the herringbone blocks are arrayed in a specified number of rows in one column in the vertical direction, and then the process of mirror-inverting and copying the array of herringbone blocks in one column in the horizontal direction is performed in the horizontal direction. Repeat until the number of arrays becomes the specified number of arrays. For example, the size of the image to be created is as shown in FIG.
Assuming that the number of arrangements in both the vertical and horizontal directions is 4, a pattern as shown in FIG. 13B is created by the above processing. However, at this time, as shown in (b) of FIG. Therefore, the arithmetic processing means 1 performs a work of cutting out a portion that deviates from the size of the created image, and moving it in parallel to the upper side of the image to be created. FIG.
The arrow in (b) indicates this. By this processing, the block pattern shown in FIG. 13C is created.

Then, the arithmetic processing means 1 obtains and stores the coordinate values of the vertices for all the closed regions in the created block pattern. Therefore, the arithmetic processing means 1 recognizes, for example, a closed region indicated by C in FIG. 13C as a closed region of a triangle, and obtains coordinate values of the three vertices.
The closed area indicated by d in FIG. 13C is also recognized as a closed area of a triangle, and the coordinate values of the three vertices are obtained.

Therefore, in this case, the pattern data of the block pattern includes the coordinate values of the four vertices of the image to be created,
And the number of all closed areas and the coordinate values of the vertices of each of these closed areas. Then, the arithmetic processing means 1 stores the pattern data. Note that, for obtaining the coordinate values of the vertices, for example, the upper left vertex of the rectangle of the image to be created may be set as the origin. Then, the arithmetic processing unit 1 displays the created block pattern on the display unit 4. In the above example, the block pattern shown in FIG. 13C is displayed. As described above, a block pattern using a herringbone block is created. In this image creating apparatus, the position of a desired vertex can be corrected.

When one vertex is designated and moved in the block pattern displayed on the display means 4, the arithmetic processing means 1 obtains all closed areas having the vertex, and calculates those closed areas. To change the coordinate value of the vertex to the position after the movement. The designation and movement of the desired vertex are performed by dragging the desired vertex with the mouse and operating the mouse to move it to the desired position. For example, when a block pattern as shown in FIG. 14A is displayed on the display unit 4 and the vertex indicated by A in FIG. 14 is dragged and moved to the position indicated by B in FIG. Detects the coordinate value of the vertex and obtains a closed region having the vertex. In this case, the arithmetic processing unit 1 detects that the vertex indicated by A in FIG. 14A is shared by four closed regions indicated by and in the figure. Then, the arithmetic processing means 1 detects the coordinate value of the position B after the movement, and
, The coordinate value of the vertex of A in each closed region is changed to the coordinate value of B. As a result, the block pattern becomes as shown in FIG.
The correction is made as shown in FIG. By performing the above operation on a desired vertex, the block pattern can be manually corrected. It goes without saying that the pattern data is also changed with the correction of the block pattern.

After a desired block pattern is created as described above, a texture pattern is pasted on each closed region of the block pattern.
The method of pasting the texture pattern is the same as described above, and a description thereof will be omitted. However, when the pattern is automatically pasted, in step S4 of FIG. 4, it is determined whether or not the size of the closed area where the pattern is to be pasted is outside the texture image.

(Block Pattern Using Polygonal Division) In the above example, a block pattern is created by repeatedly arranging a unit block by a predetermined number. However, in this image creating apparatus, a Voronoi image is used. It is also possible to create a block pattern by dividing a given area into a number of polygons using a known technique such as division. Next, an operation in the case where a block pattern is created by dividing an area into polygons and a picture of a desired texture is pasted into each closed area of the block pattern will be described.

In this case, first, the operator selects a polygon division block pattern generation menu from the instruction input means 3. Then, the user inputs and designates the vertical and horizontal sizes of the image to be created and the number of generating points to be arranged.

As a result, the arithmetic processing means 1 performs xy
Is defined, the coordinates of the four vertices of the rectangle of the image size to be created are stored, and the mother points for the set number of mother points are arranged within this image size. The coordinates at which the generating point is arranged are determined using random numbers.

An example of the operation of the arithmetic processing means 1 when creating a block pattern will be described more specifically as follows. For example, first, the generating points are randomly arranged within the image size by the set number. Subsequently, a line segment connecting each of the arranged generating points to an adjacent generating point is assumed, and a line segment serving as a vertical bisector of this line segment is drawn. In this way, a line segment serving as a perpendicular bisector is drawn for each generating point, and when the line intersects with another vertical bisector, the intersection is set as the end point of the perpendicular bisector. By performing such processing, a block pattern in which the image size is divided into a large number of polygons is created. FIG. 15 shows an example of the block pattern created in this way.

Then, the arithmetic processing means 1 obtains and stores the coordinate values of the vertices for all the closed regions in the created block pattern. Therefore, in this case, the pattern data of the block pattern is the coordinate values of the four vertices of the image to be created, the number of all closed regions, and the coordinate values of the vertices of each of the closed regions. And arithmetic processing means 1
Stores this pattern data. Note that, for obtaining the coordinate values of the vertices, for example, the upper left vertex of the rectangle of the image to be created may be set as the origin. Then, the arithmetic processing unit 1 displays the created block pattern on the display unit 4. In the above example, the block pattern shown in FIG. 15 is displayed. As described above, a block pattern using Voronoi division is created. Also, on this screen, the vertices can be moved by dragging the vertices with the mouse as in the above example.

As described above, when a desired block pattern is created, a texture pattern is pasted on each closed region of the block pattern.
The method of pasting the texture pattern is the same as described above, and a description thereof will be omitted. However, when the pattern is automatically pasted, in step S4 of FIG. 4, it is determined whether or not the size of the closed area where the pattern is to be pasted is outside the texture image.

Next, a case in which a picture is manually pasted using a pasted image in which a picture is pasted in each closed area of the block pattern shown in FIG. 15 will be described. First, in a state where the pasting image based on the block pattern as shown in FIG. 15 is displayed on the display unit 4, the instruction input unit 3 designates a closed area where the pattern is pasted. Subsequently, a desired texture image is selected. Then, the paste image 11 and the texture image 12 are displayed on the screen of the display means 4 as shown in FIG. At this time, as shown in FIG. 16, the selected closed region is highlighted on the pasted image 11, and a polygon 13 b having the same shape as the polygon 13 a surrounding the selected closed region is displayed on the texture image 12. Will be displayed.

On the texture image 12, the displayed polygon 13 b can be moved, rotated, and scaled, whereby it is possible to specify which part of the texture image 12 is to be extracted as a pasting pattern. it can. Specifically, the polygon 13b is moved by dragging with a mouse. Polygon 13b
Is rotated by a designated angle by inputting a numerical value in the range of -180 degrees to 180 degrees. When scaling the polygon 13b,
After specifying one of the vertices of the polygon 13b, this is performed by moving the vertex. Since the scaling of the polygon 13b is performed while maintaining the shape of the polygon 13b,
If one vertex is moved to the outside of the polygon 13b, the other vertices are also moved to the outside at the same ratio to enlarge, and if one vertex is moved to the inside of the polygon 13b, the other vertices are also moved. It moves inward at a similar ratio to reduce.

Further, when the operator specifies to change the color, a color setting screen as shown in FIG. 17 is displayed. As shown in FIG. 17, a polygon 13b to be processed is displayed on the color setting screen, and a pattern cut out from the texture image 12 is displayed therein. Further, a lightness bar 14 and a saturation bar 15 for designating lightness and saturation are displayed below. A lightness index 16 and a saturation index 17 are displayed on the lightness bar 14 and the saturation bar 15, respectively. Lightness index 1
6. By dragging the saturation index 17 with the mouse,
It can move on the lightness bar 14 and the saturation bar 15, respectively. When the operator issues a color change instruction and the color setting screen is displayed, the brightness and saturation of the picture in the polygon 13b are calculated, and the brightness index 16 and the saturation index 1 are calculated.
7 on the lightness bar 14 and the saturation bar 15 are determined. When the operator moves the lightness index 16 and the saturation index 17 using the mouse, the pattern in the polygon 13b is displayed in a state in which the lightness and the saturation have been changed.
The operator can determine the optimum brightness and saturation while checking with his own eyes.

Polygon 13b on picture of texture image
When the movement / rotation / magnification of the image data and the designation of lightness / saturation for color conversion are completed, the operator uses the instruction input means 3 to give an instruction for determination. When the determination instruction is given, the arithmetic processing means 1 performs the color conversion of the cut-out pattern, performs the reverse rotation / reverse magnification by the amount of the rotation / magnification, and performs a closed area surrounded by the polygon 13a. Paste in. As a result, the pattern cut out on the texture pattern is pasted on the block pattern in the same appearance.

[0061]

As described above, according to the present invention,
After creating a block pattern having a large number of polygonal closed regions, creating a paste image by pasting a pattern in each closed region formed in the block pattern, displaying the paste image, the displayed paste Select the closed area to be corrected on the embedded image, display the polygon surrounding the closed area to be corrected by the selection on the designated picture, determine the position of the polygon on the designated picture, and decide Based on the relationship between the position of the polygon on the block pattern and the position of the determined pattern on the block pattern, the block pattern is cut out based on the position of the polygon. Since the image is pasted in the corresponding closed area, the pattern on the pasted image once created can be easily corrected. This has the effect.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing an embodiment of an image creating apparatus according to the present invention.

FIG. 2 is a diagram showing a basic shape of a block used for creating a block pattern.

FIG. 3 is an explanatory diagram of a process of creating a block pattern in which square blocks are arranged.

FIG. 4 is a flowchart illustrating a process of automatically extracting a picture to be pasted into a closed area on a block pattern.

FIG. 5 is an explanatory diagram of a process of creating a block pattern in which hexagonal blocks are arranged.

FIG. 6 is a diagram illustrating correction of a vertex position in a block pattern in which hexagonal blocks are arranged.

FIG. 7 is a diagram showing a state after a vertex position is corrected in a block pattern in which hexagonal blocks are arranged.

8 with an example of a block pattern inlay blocks are arranged, it is a diagram for explaining the meaning of the provision of the gap [delta] _1.

FIG. 9 is a block pattern in which inlay blocks are arranged.
Gap δ _TwoTo explain the meaning of providing
FIG.

FIG. 10 is an explanatory diagram of a vertex of a closed region of a block of an inlay.

FIG. 11 is a diagram illustrating correction of a vertex position in a block pattern in which inlay blocks are arranged.

FIG. 12 is a diagram showing a state after a vertex position is corrected in a block pattern in which inlay blocks are arranged.

FIG. 13 is an explanatory diagram of processing for creating a block pattern in which herringbone blocks are arranged.

FIG. 14 is a diagram for explaining correction of a vertex position in a block pattern in which blocks of herringbone are arranged.

FIG. 15 is a diagram showing an example of a block pattern using polygon division.

FIG. 16 is an explanatory diagram in the case of correcting a picture pasted in an arbitrary closed area of a block pattern.

FIG. 17 is an explanatory diagram in the case of correcting the color of a picture in a closed area.

FIG. 18 is a diagram showing an image in which a wood grain pattern is cut out as a rectangular block and pasted in a tile shape.

FIG. 19 is a diagram showing an example of a pattern in which a large number of polygon block patterns are arranged.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Operation processing means 2 ... Storage means 3 ... Instruction input means 4 ... Display means 11 ... Paste image 12 ... Texture image 13a, 13b ... Polygon 14 ...・ Lightness bar 15 ・ ・ ・ Saturation bar 16 ・ ・ ・ Lightness index 17 ・ ・ ・ Saturation index

Claims (4)

[Claims] 1. A step of creating a block pattern having a large number of polygonal closed areas; a step of creating a pasted image by pasting a picture in each closed area formed in the block pattern; Displaying a pasted image, and selecting a closed area to be corrected on the displayed pasted image; and a polygon surrounding the closed area to be corrected by the selection, by a designated pattern. Displaying above, performing a position determination of a polygon on the designated pattern, and cutting out a pattern based on the determined position of the polygon, and a step of cutting out the cutout pattern, the polygon block Based on the relationship between the position on the pattern and the determined position on the pattern, a block pattern pasting step of performing a conversion process and pasting the block pattern in a corresponding closed region of the block pattern. An image creation method, characterized in that: 2. The pattern clipping step is performed by deciding the position of a polygon by determining the coordinate value of each vertex by a movement / rotation / magnification process. 2. A conversion process based on a positional relationship by performing reverse rotation / reverse magnification of the extracted pattern by the rotation angle and the magnification performed in the pattern clipping step. Image creation method. 3. The method according to claim 1, further comprising the step of changing the brightness and the saturation of the picture cut out in the picture cutting step. 4. A storage means for storing a basic shape of a block used for creating a block pattern, a texture image serving as a basis of a picture to be pasted into each closed area of the block pattern, and an instruction input for inputting various instructions and data. Means for displaying a block pattern to be created, a display means for displaying a pasted image in which a picture is pasted on the block pattern, a function of creating a block pattern having a large number of polygonal closed regions, and the block A function of creating a pasted image by pasting a pattern in each closed area formed in the pattern, a function of displaying the created pasted image on the display unit, and a function of displaying the pasted image on the displayed pasted image. A function for prompting the user to select a closed area to be corrected by the instruction input means,
A function of displaying a polygon surrounding a closed area to be corrected by being selected by the instruction input means, together with a designated picture on the display means, and a polygon of a polygon determined by the instruction input means on the designated picture A pattern cutout function for cutting out a pattern based on a position, and the cutout pattern, a position on the polygonal block pattern,
A block pattern pasting function of performing a conversion process and pasting the block pattern in a corresponding closed region based on the determined relationship with the position on the pattern, and an arithmetic processing unit having a calculation processing unit. Image creation device.