CN114357553A - Real estate auxiliary drawing method based on mobile terminal - Google Patents
Real estate auxiliary drawing method based on mobile terminal Download PDFInfo
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- CN114357553A CN114357553A CN202111670389.7A CN202111670389A CN114357553A CN 114357553 A CN114357553 A CN 114357553A CN 202111670389 A CN202111670389 A CN 202111670389A CN 114357553 A CN114357553 A CN 114357553A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims abstract description 9
- 238000013507 mapping Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/12—Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/04—Architectural design, interior design
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Abstract
The invention discloses a real estate auxiliary drawing method based on a mobile terminal, which comprises the following steps of S1: determining a drawing starting point according to the resolution and the length of the display screen at the mobile terminal; s2: calling a rectangular graph ABCD in the gallery, and overlapping the lower left corner of the graph ABCD with the drawing starting point and marking as a point A; s3: inputting length data d of the AB side by taking the A as a starting point to obtain a point B; s4: moving the auxiliary line to a first position E, connecting the auxiliary line to obtain BE, and automatically outputting the length D1 of the BE and the included angle a between the BE and the AB by the moving end; s5: moving the auxiliary line to a second position F in the vertical direction, connecting the auxiliary line to obtain EF, and automatically outputting the length D2 of the EF by the moving end; s6: and connecting the point A and the point F to finish drawing the graph.
Description
Technical Field
The invention relates to the technical field of surveying and mapping, in particular to a real estate auxiliary drawing method based on a mobile terminal.
Background
With the continuous construction of the national surveying and mapping field, the real estate authority is more and more accurate at present, and the size of a house needs to be brief and accurate.
However, in the past, the real estate authority is confirmed by workers who need to go to the home to survey and collect relevant coordinate data, if the real estate authority meets a complex house type (an angled edge), the relevant coordinate data is firstly transmitted back to interior workers by exterior workers, then the graph is drawn, the interior and exterior workers need to perform combined measurement, the steps are relatively complex, and the workload is increased; thereby house side length has the error in the measurement, and data quality receives staff's technical influence, leads to miscellaneous house type to draw the precision low.
Disclosure of Invention
Aiming at the problem of low drawing precision of complex house types in the prior art, the invention provides a real estate auxiliary drawing method based on a mobile terminal.
In order to achieve the purpose, the invention provides the following technical scheme:
a real estate auxiliary drawing method based on a mobile terminal specifically comprises the following steps:
s1: determining a drawing starting point according to the resolution and the length of the display screen at the mobile terminal;
s2: calling a rectangular graph ABCD in the gallery, and overlapping the lower left corner of the graph ABCD with the drawing starting point and marking as a point A;
s3: inputting length data d of the AB side by taking the A as a starting point to obtain a point B;
s4: moving the auxiliary line to a first position E, connecting the auxiliary line to obtain BE, and automatically outputting the length D1 of the BE and the included angle a between the BE and the AB by the moving end;
s5: moving the auxiliary line to a second position F in the vertical direction, connecting the auxiliary line to obtain EF, and automatically outputting the length D2 of the EF by the moving end;
s6: and connecting the point A and the point F to finish the drawing of the hypotenuse house.
Preferably, the coordinate of the point A is (X)1,Y1)，X1＝W\2-5K，Y1H represents the height of the moving end display screen, W represents the width of the moving end display screen, and K represents the resolution of the measuring device.
Preferably, the B point coordinate is (X)2，Y2)，X2＝X1,Y2＝Y1+ d, d represents the length of AB.
Preferably, the coordinate of the E point is (X)3，Y3)，X3＝X1-D1*sin(180-a)，Y3Y1+ D1 cos (180-a), D1 indicates the length of BE, and a indicates the angle between BE and AB.
Preferably, the F point coordinate is (X)4，Y4)，X4＝X3，Y4＝Y3D2, D2 denotes the length of EF.
In summary, due to the adoption of the technical scheme, compared with the prior art, the invention at least has the following beneficial effects:
according to the invention, by using the auxiliary drawing method, the inclined-edge house is drawn by using auxiliary lines and orthogonal assistance, on the premise of ensuring the precision, the generation time of complex graphs can be shortened, the drawing efficiency is improved, and the error of angles is reduced; and meanwhile, the display effect under a small range is ensured.
Description of the drawings:
fig. 1 is a flowchart illustrating a real estate assisted mapping method based on a mobile terminal according to an exemplary embodiment of the invention.
FIG. 2 is a gallery graphic illustration in accordance with an exemplary embodiment of the present invention.
Fig. 3 is a graphic diagram illustrating a first movement of an auxiliary line according to an exemplary embodiment of the present invention.
Fig. 4 is a diagram illustrating a second moving pattern of the auxiliary lines according to an exemplary embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a real estate assisted drawing method based on a mobile terminal, which specifically includes the following steps:
s1: and determining a drawing starting point according to the resolution and the length of the display screen at the mobile terminal.
In this embodiment, if the height of the mobile display is H and the width is W, the drawing start point coordinate is (X)1,Y1)，X1＝W\2-5K，Y1K denotes the resolution of the measuring device, 3 × H/4.
S2: calling a rectangular graph ABCD in the gallery, and enabling the lower left corner A point of the graph ABCD to coincide with the drawing starting point, as shown in FIG. 2. That is, the drawing start point in S1 is determined, and then the lower left corner of the figure is placed to the drawing start point so as to coincide with the drawing start point.
In this embodiment, the graphs in the gallery are common and regular graphs, such as rectangles, T-shapes, L-shapes, and the like, and the lengths of the edges of the graphs can be modified arbitrarily. For example, if the gallery graphic is a rectangle ABCD, a coordinate system is established with A as the origin of coordinates, AD as the X-axis, and AB as the Y-axis, the length (AD, BC) can be set to 30m, the width (AB, CD) can be set to 10m, and the coordinates of the A-point can be (X-axis)1,Y1)。
S3: and inputting length data d of the AB side by taking A as a drawing starting point to obtain the coordinates of the B point.
In this embodiment, for convenience of illustration, a long-distance relief figure is taken as an example, the AB edge is vertically displayed on the display screen, and the coordinate of the point B is (X)2，Y2),X2＝X1,Y2＝Y1+d。
S4: as shown in FIG. 3, the auxiliary line is moved to a first arbitrary position E, the connection line is connected to obtain BE, the moving end automatically outputs the length D1 of the BE, and the included angle a between the BE and the AB, then the coordinate of the point E (X)3，Y3) Is X3＝X1-D1*sin(180-a)，Y3＝Y1+d+D1*cos(180-a)。
In this embodiment, the mobile terminal is provided with a distance sensor and an inclination sensor, which can be used for detecting distance and angle.
S5: as shown in fig. 4, the auxiliary line is moved to a second arbitrary position F in the vertical direction (i.e. vertical movement), the connection line is connected to obtain EF, the moving end automatically outputs the length D2 of EF, and the coordinate of F is (X)4，Y4)，X4＝X3，Y4＝Y3-D2
S6: and connecting the point A and the point F to finish the drawing of the hypotenuse house.
In this embodiment, when a part of complex graph is drawn, the wall with a special angle can be drawn by measuring the included angle between two angles. The measurement is completed by firstly approaching the drawn wall, clicking the reset angle, then approaching the wall to be measured, clicking the drawing line.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (5)
1. A real estate auxiliary drawing method based on a mobile terminal is characterized by comprising the following steps:
s1: determining a drawing starting point according to the resolution and the length of the display screen at the mobile terminal;
s2: calling a rectangular graph ABCD in the gallery, and overlapping the lower left corner of the graph ABCD with the drawing starting point and marking as a point A;
s3: inputting length data d of the AB side by taking the A as a starting point to obtain a point B;
s4: moving the auxiliary line to a first position E, connecting the auxiliary line to obtain BE, and automatically outputting the length D1 of the BE and the included angle a between the BE and the AB by the moving end;
s5: moving the auxiliary line to a second position F in the vertical direction, connecting the auxiliary line to obtain EF, and automatically outputting the length D2 of the EF by the moving end;
s6: and connecting the point A and the point F to finish the drawing of the hypotenuse house.
2. The mobile-end-based real estate auxiliary mapping method of claim 1 wherein said a point coordinate is (X)1,Y1)，X1＝W\2-5K，Y1H represents the height of the moving end display screen, W represents the width of the moving end display screen, and K represents the resolution of the measuring device.
3. The mobile-end-based real estate auxiliary mapping method of claim 1 wherein said B-point coordinate is (X)2，Y2)，X2＝X1,Y2＝Y1+ d, d represents the length of AB.
4. The mobile-end-based real estate auxiliary mapping method of claim 1 wherein said E point coordinate is (X)3，Y3)，X3＝X1-D1*sin(180-a)，Y3Y1+ D1 cos (180-a), D1 indicates the length of BE, and a indicates the angle between BE and AB.
5. The mobile-end-based real estate auxiliary mapping method of claim 1 wherein said F point coordinate is (X)4，Y4)，X4＝X3，Y4＝Y3D2, D2 denotes the length of EF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111670389.7A CN114357553B (en) | 2021-12-31 | 2021-12-31 | Mobile-terminal-based real estate auxiliary drawing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111670389.7A CN114357553B (en) | 2021-12-31 | 2021-12-31 | Mobile-terminal-based real estate auxiliary drawing method |
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| CN114357553B CN114357553B (en) | 2023-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114840901A (en) * | 2022-05-20 | 2022-08-02 | 重庆宝图科技发展有限公司 | Real estate mapping method based on AR |
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| CN111985036A (en) * | 2020-08-27 | 2020-11-24 | 贝壳技术有限公司 | House type frame line drawing method and device, storage medium and electronic equipment |
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2021
- 2021-12-31 CN CN202111670389.7A patent/CN114357553B/en active Active
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| JP2004348708A (en) * | 2003-04-30 | 2004-12-09 | Hitachi Eng Co Ltd | Polygon creation method for geographical information system, and its device |
| CN105574521A (en) * | 2016-02-25 | 2016-05-11 | 民政部国家减灾中心 | House contour extraction method and apparatus thereof |
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| CN114840901A (en) * | 2022-05-20 | 2022-08-02 | 重庆宝图科技发展有限公司 | Real estate mapping method based on AR |
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