DE102004024171A1 - Room measurement procedure uses photogrammetric instrument from successive computer selected positions to create virtual CAD room for furniture matching - Google Patents

Abstract

A room measurement (1) procedure uses a photogrammetric camera, laser rangefinder or sound sensor on a stand in successive computer selected positions to store room measurements as a virtual CAD (Computer Aided Design) image in a computer which then matches them to furniture data.

Description

The Invention is a method in which furniture adapted to spatial structures can be.

since For several decades, furniture is being used e.g. in stores, Offices and Households built by carpenters and must be very common uneven floors, walls, ceilings and existing furniture, be adjusted.

moreover become common Dimensions at Measuring the premises forget that can be prevented by this method.

The The method described here uses e.g. distance-measuring laser, sound or photogrammetric cameras to measure distances. One with the Computer connected control head, which carries the measuring unit measures the horizontal and vertical tilt of the survey unit.

This Control head aligns the surveying head absolutely vertically at the beginning to give it a reference to the horizontal plane. simultaneously the surveying head is mounted on a tripod so that this by computer-controlled motors, both horizontally and vertically swiveling is oriented to all directions from this location to become.

However, the room ( 1 ) behind wall projections and under the surveying head itself, the apparatus must be moved by the user into areas which the computer specifies to the user on the screen ( 4 ).

Conceivable would it be also, this technique to a computer-controlled mobile unit too mount, which is able to independently in all necessary areas of the space to capture the corresponding structures.

In order to detect areas that have already been detected and to avoid duplicating measurements, the computer compares the measurements of the new location ( 7 and 5 ) with the areas already covered ( 6 and 5 ) and recognizes the common area ( 5 ) within a very short time to the room ( 1 ) with further measurements. Here, an integrated electronic compass could provide even more effectiveness, since the detected areas would only be pushed and not or only minimally rotated around themselves.

One Space can, if the user desires but also partially captured if for that Project only niches, corners or faces need to be measured.

The survey data is used to visualize the room with a corresponding interface in a CAD drawing program ( 2 to 4 ).

The next step is to import furniture drawn in a CAD program into this virtual space ( 6 ).

To positioning the furniture in the virtual space the system is now able to work with the measured data and with the data of the furniture, individual furniture parts up to the ceilings, walls and floors to extend, until they intersect.

At Thus, contours arise with the interfaces, with the unevenness, how dents or humps of the room surfaces agree.

The contours of the wavy edges on the furniture parts ( 15 and 16 ) are recognized by the system and converted as a finished milling program by means of an appropriate interface to mill these contours through a CNC machining center.

One Furniture with accordingly adjusted wavy edges is therefore at the planned location always aligned and no longer or only partially with one Spirit level to be aligned. Also a series of pieces of furniture next to, behind and over each other are arranged when correctly placed, no more skew each other stand, unless the user intends this.

In order to ensure an exact placement on the building, the furniture ( 11 ) by the craftsman again the surveying system ( 2 ) at various locations. Because the room ( 1 ) is already recorded and he is known to the computer, this can be oriented.

By means of a marking laser attached to the surveying head, points ( 17 ) are projected on wall, ceiling and floor ( 9 ), such as the corners of the pedestals on the floor or the corners of a cabinet on the wall. In this application, bumps are taken into account by the system.

It would be too possible planned drill holes Walls, Floors and Projecting ceilings, which in turn would facilitate assembly.

The computer-controlled mobile unit might have a pen or a printer on the bottom be mounted head, which draws the necessary points for placement on the ground, or also be equipped with the marking laser, which projects the points to the appropriate places.

At the However, it also happens that shortly before assembly, the premises can only be measured if e.g. Flooring, plasterboard walls or Suspended ceilings have just been installed and in the planning there was no time left to design points for mounting in the virtual To create space.

In this case can before completion of the room the construction points for the assembly with a usual CAD drawing inserted and correlated in simple generated levels. An example for such a plane is e.g. a preliminary floor plan.

at the assembly on the construction, the space is from the system as already described measured and also in this case generates a virtual space. By doing Virtual space is now, the simple levels with the in relation inserted by standing construction points and in the desired position move and turn brought. The system then calculates quickly and precise, where the dots lie in the virtual space, where also unevenness the spatial structure taken into account become.

virtual There are also rooms where unevenness of the spatial structure is taken into account become.

Nice with few inputs from the user, the system is now in able to control the marking laser so that the construction points in the room through the marker laser can be displayed.

By the latter application, the system is also very good for exhibition builders suitable, the one available standing area already have to build shortly after entering.

An advantage of using the surveying system ( 2 ) is a faster and more accurate measurement in construction.

measurements of the rooms to be equipped in other regions and other countries, could be settled by there Contractors are performed. The data can be sent by e-mail to the manufacturer of the furniture, thereby Flights and long Arrivals could be avoided.

By the system described here the furniture no longer be adapted on site, so that noise and dirt are the customer's biggest part spared.

The Assembly is more accurate and faster, which has a positive impact on pricing effect.

By The quick assembly of shops, offices, shops and department stores less or no loss of sales by blocking the public traffic.

1

room

2

surveying system

3

first recorded area

4

new proposed site

5

common Area

6

known invisible area

7

Supplemented area

8th

uneven wall

9

uneven ground

10

floor

11

Furniture

12

base

13

cabinet side

14

cabinet door

15

contour the cabinet side

16

contour the base side

17

projected Point

The The invention will be explained in more detail below with reference to an exemplary embodiment:

1 Floor plan of a room with a random survey system

2 The surveying system generates a virtual image of the environment through the first location, indicating the next placement

3 Through the surveying system supplemented virtual image through the new site selection

4 Full virtual space

5 Corner of the room with its uneven wall and floor structure

6 Floor plan with planned furniture fitting

7 Corner of the room with a cabinet fixed location

8th Corner of the room with fitted cupboard

9 Room with marked points on the ground, created by choosing two locations of the surveying system

10 Room with set up furniture with the help of points

1 shows the floor plan 1 with the installation of a surveying system at any location.

2 represents a first area ( 3 ) of the room ( 1 ) as a virtual image that by the surveying system ( 2 ) and at the same time the system indicates where the surveying system needs to be set up next ( 4 ).

3 shows the virtual space ( 1 ) through the new location of the surveying system ( 2 ), which consists of the following areas: known area ( 6 ), but not visible from the new location. Known area ( 5 ), which coincides with the new area and is also visible. New area ( 7 ), which has complemented the known area.

4 represents the room ( 1 ) virtually.

5 shows a corner of the room, with an uneven wall ( 8th ) and an uneven floor ( 9 ).

6 is the simplified outline of the room ( 1 ) with the installation of furniture ( 11 ) on the floor ( 10 ).

7 shows the uneven wall ( 8th ) and the uneven ground ( 9 ) with a piece of furniture that has not been adapted. On the furniture you can see the door ( 14 ), the cabinet side ( 13 ) and the base side ( 12 ).

8th represents the uneven wall ( 8th ) and the uneven ground ( 9 ) with a customized piece of furniture. On the piece of furniture one recognizes door ( 14 ), Cabinet side ( 13 ) and base side ( 12 ), with common contours ( 15 . 16 ).

9 represents the room ( 1 ), with all through the surveying system ( 2 ) projected points.

10 shows the same room ( 1 ) with the furniture ( 11 ) that could be set up using the projected points.

Claims (16)

A method for measuring rooms and then setting up the room with furniture, characterized in that the room structure with its uneven walls, tease and floors by means of a surveying camera is measured so that subsequently the measurement data can be stored in a computer and the computer then from the measurement data and the data of the furniture, is able to adapt the furniture to the room structure. Method according to claim 1, characterized in that that measuring, e.g. through a photogrammetric camera, a Laser distance meter or with the help of a surveying device, which with sound waves is working and this device in turn on a tripod is stored, which aligns one of these surveying heads absolutely perpendicular and subsequently from the calculator can be panned horizontally and vertically to parameter data to pass on to the computer, which from the horizontal and vertical Inclination of the meter and the distance to a point on the ceiling, wall or floor. Method according to claim 2, characterized in that that the calculator from the measured data creates a virtual CAD image of the room by displaying the data of the Measuring unit uses. Method according to claim 3, characterized that the calculator after complete Detecting the first area, independently detects where the surveying system next must be positioned to behind wall projections and under the surveying system even to supplement the virtual space, the positioning is done manually, in a direction that the calculator gives the user on the screen and shifts are made so often until the whole room or if desired by the user only a limited area is measured. Method according to claim 4, characterized in that that after shifts of the surveying system, this capable is to recognize the area already covered, since the Structure of all walls, Ceilings and floors unique, allowing the system to deal with the environment can, which is still unknown to the system. Method according to claim 5, characterized in that that an integrated electronic compass recognizing of the area already covered, because it is not more, or just a little bit to be turned around. Method according to claims 2 and 4, characterized that instead of the tripod, even a computer-controlled mobile unit could be used which also carries the survey head and aligns absolutely vertical and that can change the survey site independently, as this is self controls. A method according to claim 3 and 4, characterized in that in the virtual CAD image of the room, furniture can be inserted, which are drawn as before by CAD programs to this the spatial structure with dents and humps, This is achieved by stretching various pieces of furniture to the walls, floors and ceilings until they have contact with them. Method according to claim 8, characterized in that that where the edges of the furniture parts on the surfaces the walls, Ceilings and floors meet, common outlines emerge that are identical and those with one corresponding interface be converted as a milling program can, around the furniture parts to mill on a CNC machining center. Method according to claim 9, characterized in that that furniture now from these specially adapted components and standard components be pre-assembled. Method according to claim 10, characterized in that that on the construction site the furniture again using the surveying system and a marking laser, Point can be placed exactly to their corresponding position in the room and this is possible is because the computer is oriented with the help of the surveying head can and also the data of furniture items knows and in this case the necessary points, like base corners, cabinet corners or already drilling points for a fixation of the furniture etc. on floors, Walls and Ceilings projected. Method according to Claims 7 and 11, characterized that the computerized mobile unit on the bottom of a Pen or printer's head has to go through the positions of the furniture Draw lines and dots on the ground, or a marker laser the desired Marking points of furniture, on floors, Walls or Ceilings can project. Method according to claim 11, characterized in that that also marker points can be projected, previously in an expected Floor plan were put in relation to each other before a virtual space has been created by the surveying system. Method according to claim 13, characterized in that that the marker points can not be projected until the room was previously measured by the surveying system and The system makes this room virtually available. Method according to claims 13 and 14, characterized that the previously related points in the virtual space to be moved and rotated until they are in the desired Standing position. Method according to claims 13 to 15, characterized that the calculator is able to adjust the unevenness of the room take into account Striking marking points or drilling points for fixing the furniture to the project corresponding areas with the marking laser into the room.