146results about How to "Improve drawing efficiency" patented technology

The invention discloses an intelligent interactive thematic map generation system and method based on a large language model. Comprising a large language model module, a thematic map template library, an intelligent data source management module, an intelligent cartographic engine, an interactive optimization module, a user interaction configuration module, a configuration library, an external service interface module, a model data quality verification module, a thematic map personalized correction module and the like. A user interactively selects a template, specifies a data source and describes drawing requirements through a natural language, LLM drives an intelligent drawing engine to generate a thematic map, fine adjustment and real-time optimization of the user are supported, and user-friendly, efficient and flexible thematic map making is achieved. Meanwhile, the system has the functions of data quality verification, personalized configuration, interactive history learning and the like, a powerful tool is provided for non-professional users to quickly customize and finely adjust thematic maps, and the intelligent level and adaptability of thematic map making are greatly improved.

The invention discloses a wiredrawing and plastic coating device for glass fiber production and processing, and particularly relates to the technical field of glass fiber production and processing, the wiredrawing and plastic coating device comprises a base, a first longitudinal frame is fixedly mounted on one side of the top end of the base, and a mounting seat is fixedly mounted at the top end of the first longitudinal frame; a wire drawing mechanism is fixedly mounted on the side, away from the first longitudinal frame, of the mounting base, a second longitudinal frame is fixedly mounted on the side, close to the first longitudinal frame, of the top end of the base, a heating crucible used in cooperation with the wire drawing mechanism is fixedly mounted on the top of the second longitudinal frame, and a plastic coating part is fixedly mounted at the bottom of the wire drawing mechanism; according to the glass fiber drawing and plastic coating device, the drawing mechanism is arranged, the plastic coating part and the winding mechanism are used in cooperation, drawing processing and plastic coating processing of glass fibers are carried out, continuous and uniform winding and winding are carried out on the glass fibers, shutdown is not needed, generation of molten glass accumulation is reduced, the production efficiency is improved, and the production cost is reduced. Therefore, the overall wire drawing efficiency of the molten glass is improved.

The invention relates to a drawing method and device based on touch panel pressure detection, a medium and equipment, and the method comprises the steps: determining a touch distance between a touch starting point of a touch drawing operation on a touch panel and a pressure sensor of the touch panel, and determining a resolution ratio of the touch panel to a display screen; determining a target display scale of the drawing coordinate system according to the resolution ratio, and adjusting the display scale of the drawing coordinate system according to the target display scale; determining drawing information of the drawing pen according to the pressure at the touch starting point, and controlling the drawing pen to execute pressing drawing according to the drawing information; in the pressing drawing process, in response to a newly-added touch drawing operation on the touch panel, determining drawing adjustment information according to pressing point information of the newly-added touch drawing operation and whether a track pressing point in the pressing movement track displaces or not; drawing adjustment is conducted according to the drawing adjustment information, and the drawing pen is continuously controlled to execute pressing drawing with the pressing movement track as the drawing track based on the completed drawing adjustment.

The invention discloses an intelligent connection layout system for an interactive flow chart, and the system comprises an automatic obstacle avoidance connection module which is used for carrying out the path planning of each node layer, and taking each node layer as an obstacle to obtain a flow connection line; the flow layout optimization module is used for carrying out layout optimization on each node graph layer and the corresponding flow connecting line according to a force-oriented graph algorithm; according to a genetic algorithm, adjusting cross connecting lines and overlapping connecting lines between the node layers; the interactive adjustment module is used for generating a corresponding Bezier connection curve according to the moving path drawn by the user; adjusting a corresponding flow connecting line according to the moving position of each node graph layer; and the intelligent recommendation module is used for recommending the flow chart connecting lines of the personalized layout style according to the plurality of historical flow connecting lines of the user and the corresponding operation records. According to the method, the flow chart connecting line layout is intelligently generated, optimized and adjusted, so that the production efficiency of the flow chart and the user interaction experience are improved.

The invention relates to a method for efficiently drawing on-road parking spaces on a map, and the method comprises the following steps: obtaining a map of a preset parking space region, recognizing the position information of an initial point and a target point of the preset parking space region on the map of the preset parking space region, and obtaining the information of an on-road parking space drawing region through analysis and processing; and based on the read parking space drawing data, executing an on-road parking space drawing instruction, identifying on-road parking space drawing area information, and performing batch data processing to obtain drawn on-road parking space information. By simplifying the drawing process and configuring the parking space drawing data, a plurality of on-road parking spaces can be efficiently drawn only by clicking the drawing starting point and appointing the drawing direction on the map, and the on-road parking space drawing efficiency is greatly improved.

The invention relates to the technical field of building design, and particularly discloses an integrated CAD drawing set drawing template system and method, and the system comprises a drawing management module, a template presetting module, a graph reference module, an attribute configuration module, a workflow management module, and a quality inspection module. The drawing management module is used for storing and maintaining all drawings and metadata associated with the drawings and realizing automatic naming and classification of the drawings; the template presetting module is used for generating a template file meeting requirements according to a standard set by a user; the graph reference module is used for automatically introducing related graph files into the layout by using a CAD graph reference system; the attribute configuration module is used for automatically adjusting character information and a layer display state of a drawing according to a drawing environment and an attribute standard input by a user; through the integrated design, the convenient operation process and the abundant preset templates, the problems that a traditional drawing set is high in learning cost and complex in operation are successfully solved, and the drawing efficiency and quality are greatly improved.

The invention discloses full-automatic wiredrawing equipment for frame strip-shaped parts and a wiredrawing grinding process thereof.A platform support is arranged at the position of the middle height of a rack, a switching guide rail extending in the front-back direction is arranged at the top of the platform support, and a switching movable support is assembled on the switching guide rail in a sliding mode; the switching movable bracket is in transmission connection with a switching driving device; a swing guide rail extending in the front-back direction is arranged at the top of the switching movable support, and the wire drawing platform is slidably assembled on the swing guide rail and is in transmission connection with a swing driving device. A strip-shaped piece tool device is fixed to the table top of the wire drawing platform. And with the switching movable support as a motion reference, the wire drawing platform and the strip-shaped piece tool device are in synchronous reciprocating swing fit in the front-back direction. Compared with the prior art, composite texture wire drawing grinding treatment can be conducted on the frame strip-shaped piece, and the production efficiency and the wire drawing grinding quality are improved.

The invention relates to the technical field of drawing equipment, in particular to multi-pass wire drawing equipment. The multi-pass wire drawing equipment comprises a drawing cone pulley mechanism and a heating furnace, the drawing cone pulley mechanism comprises a cone pulley group, and a wire drawing die frame and a first guide wheel group which are sequentially arranged on one side of the cone pulley group; the cone pulley group comprises N cone pulleys which are arranged in parallel; the wire-drawing die frame comprises M wire-drawing dies; the wire is guided by the first guide wheel group, penetrates through the die orifice of the wire-drawing die, is wound on the cone pulley and is rewound on the first guide wheel group, and multi-pass drawing is performed by repeating the steps; wherein the total drawing pass is M, M is larger than or equal to 2, N is larger than or equal to 2 and smaller than or equal to M. Each cone pulley at least carries out one-pass wire drawing. The drawing cone pulley mechanism solves the problem that due to the fact that the number of drawing passes is increased, the sliding coefficient difference between the first pass and the last pass is too large, and wires are broken, and the drawing efficiency of a single machine is remarkably improved.

The invention discloses a traffic element drawing method, electronic equipment and a medium, and the method comprises the steps: obtaining K calibration points on an element contour of a target traffic element based on point cloud data, K being an integer greater than 1, and the calibration points being three-dimensional space points determined based on the point cloud data; determining a plurality of target points on a target external graph according to the K calibration points; the plurality of target points are located on the same plane, and the target circumscribed graph is a circumscribed graph of a geometric graph formed by the K calibration points; and drawing the element contour of the target traffic element in the point cloud data according to the plurality of target points. Through the steps, the electronic equipment can automatically draw the element contour of the target traffic element based on the K calibration points, manual drawing is not needed any more, and the efficiency of drawing the element contour of the target traffic element in the point cloud data is greatly improved.

The invention provides a quartz crucible for continuously drawing crystalline silicon and a preparation method of the quartz crucible, and belongs to the technical field of crucible manufacturing. Comprising the following steps: S1, performing electric arc melting on quartz sand to obtain a blank quartz crucible with a smooth inner surface and a rough outer surface; s2, the blank quartz crucible is sequentially subjected to outer surface sand blasting, outer surface grinding, height cutting, first cleaning, outer surface fire machining polishing, second cleaning and drying procedures, and the inner surface roughness Rlt is obtained; the thickness is 5 microns, and the roughness of the outer surface is Ralt; the invention discloses a 5-micron quartz crucible. Therefore, the quartz crucible can reduce oxygen brought into silicon liquid in the process of drawing crystalline silicon, the oxygen content of the crystalline silicon is reduced, and the quality of the crystalline silicon is improved.

The invention provides an industrial flow chart generation method and device, equipment and a storage medium, and the method comprises the steps: carrying out the recognition of a to-be-generated industrial flow chart image, obtaining a target detection frame of industrial equipment, and extracting the related information of the industrial equipment from the target detection frame of the industrial equipment; performing direction identification on the industrial equipment image with the direction in the target detection frame of the industrial equipment, and outputting direction information of the industrial equipment; performing textbox detection and text content recognition processing on the to-be-generated industrial flow chart image to obtain related information of an identification text; flow chart lines are extracted through a line detection algorithm, and related information of the flow chart lines is obtained; and organizing various information according to a data format required by flow chart drawing software, and automatically generating an industrial flow chart after outputting a file in a preset format. Therefore, accurate analysis of equipment, texts and lines in the flow chart can be realized, the workload of engineers is greatly reduced, and the drawing efficiency of the industrial flow chart is improved.

The invention relates to the technical field of cutting simulation, in particular to a cutting simulation method based on a voxel division algorithm and notch sampling optimization, which comprises the following steps: acquiring topological information of a cut object, and dividing triangular patches; voxel division is carried out on the outer surface of the model through a voxelization algorithm of the outer surface, voxel division is carried out on the interior of the model through a scanning line algorithm, and three-dimensional voxel information of the cut object is obtained; constructing a BVH tree according to the three-dimensional voxel information, and establishing a drawing unit; acquiring a real-time position of a cutter, and performing collision detection with the BVH tree to obtain a cut voxel; recording the drawing units to which the cut voxels belong to an updated drawing list; a plurality of sampling optimizations are customized for the cut voxels; all the drawing units in the updated drawing list are traversed, and redrawing is carried out. The method has excellent performance and reliability in the simulation field, and comprehensive and accurate simulation service is provided for users.

The present application discloses a method for drawing a map road based on vtk and point cloud, which relates to the field of autonomous driving, including: using vtk to obtain point cloud data of a road, and using an octree to perform spatial division on the point cloud data to obtain point cloud data after spatial division; performing coordinate transformation on the point cloud data after spatial division to align the z-axis of the point cloud coordinate system with the z-axis of the camera coordinate system; drawing a road reference line by interactively taking points on the screen according to the point cloud data after coordinate transformation; generating a road boundary and a center line according to the road reference line through geometric transformation; clustering and edge extraction of the point cloud within a preset range of the road boundary by using the DBSCAN algorithm, and smoothing by using a B-spline curve to obtain a final road boundary as a drawn map road; in view of the low efficiency of road drawing in the prior art, the present application improves the drawing efficiency.

The present application provides a multi-buffer graphics display method, system, medium, program product and device. By setting a number of offline buffers, namely the buffers managed by the four queues of busy queue, shadow queue, ready queue and idle queue, and calling the aforementioned offline buffers through registers, the close sequential association between graphics drawing and graphics display is untied, so that the graphics engine can continuously draw, and the LCD display hardware can generate an interrupt when a vertical synchronization event occurs, so as to display the drawn graphics in sequence. In addition, the present invention uses offline buffers for graphics drawing and graphics display, omitting the process of copying the data of the offline buffer to the online buffer for display, thereby reducing the occupation of the CPU and data bus bandwidth.

The invention provides a generation method, system and device of a steel grating manufacturing drawing and a storage medium. The generation method comprises the steps that a steel grating model is obtained; obtaining a style package corresponding to the steel grating model; and generating a steel grating manufacturing drawing corresponding to the steel grating model according to the style package and a received generation instruction. According to the method, a set of complete drawing process of the steel grating manufacturing drawing is established in combination with the steel grating model, the problems that the number is large, the sizes are different, the drawing function is incomplete and the drawing efficiency is low are solved through one steel grating manufacturing drawing, the situation that each original steel grating model independently draws the drawing is abandoned, and the drawing efficiency is improved. The situation that ordering is disordered due to repeated drawing output is avoided, and the drawing output efficiency of the steel grating manufacturing drawing is improved.

The utility model discloses a color matching auxiliary device for art teaching, and relates to the technical field of teaching auxiliary tools. According to the technical key points, the device comprises a mounting base plate, a plurality of color discs are arranged on the front side of the mounting base plate, and a plurality of fan-shaped color areas are equally arranged on the side, away from the mounting base plate, of each color disc; an indication mark is arranged right below each of the plurality of color discs on the mounting substrate; the color discs are installed on the installation base plate through rotating units respectively, a linkage assembly is arranged on the back side of the installation base plate, and the rotating units are all connected with the linkage assembly. Through the toning auxiliary device, the drawing efficiency of a drawing beginner is effectively improved, and toning of the beginner in the drawing learning process is very convenient.

The utility model relates to a drawing tool for a coupling of a condensate pump of a nuclear power plant, which is used for drawing the coupling to be separated from a shaft and comprises a bearing plate and a driving mechanism. The bearing plate is detachably connected with the backrest wheel in a positioning and attaching mode through at least two positioning assemblies, and an assembly hole with the two ends penetrating through is formed in the thickness direction. The driving mechanism comprises a power component and a pushing component detachably connected with the power component, the pushing component comprises a push rod used for pushing the shaft to achieve drawing of the backrest wheel, the pushing component is detachably connected with the bearing plate, the push rod is arranged in the assembling hole in a penetrating mode, and the pushing rod is detachably connected with the bearing plate. And under the driving of the power part, the rotating shaft moves back and forth parallel to the axis of the assembly hole. According to the utility model, the assembly process can be simplified, the assembly efficiency and the drawing efficiency can be improved, and meanwhile, the problems of deformation and damage caused by improper assembly of the coupling, the shaft and the drawing tool in the drawing process can be prevented.

The application provides a list rendering method and device, electronic equipment, computer readable storage medium and computer program product; the method comprises the following steps: in response to a first operation for a to-be-rendered list, determining a first target object to be displayed in a viewport area of an electronic device and a second target object to be loaded outside the viewport area; calling a first coordinator located in a main execution thread, generating a first rendering instruction based on the first target object and a third target object currently displayed in the viewport area; calling a second coordinator, generating a second rendering instruction based on the second target object and a fourth target object; calling a rendering engine to obtain a current to-be-displayed view in the viewport area in response to the first rendering instruction, and calling the rendering engine to obtain a to-be-loaded view including the current to-be-displayed view in response to the second rendering instruction. Through the application, the rendering efficiency and smoothness of the list in the continuous interaction process can be improved.

The invention discloses a polyethylene monofilament preparation device and a preparation method thereof.The output end of a water outlet mechanism is located in a recycling bin, a supporting mechanism is arranged on a rotating seat, a pushing mechanism is arranged at the output end of the supporting mechanism, and a connecting seat is arranged at the input end of the pushing mechanism; and the input end of the connecting seat is detachably connected with a corresponding transmission mechanism. After materials are placed in the extruder, monofilaments can be extruded by the extruder, monofilament bodies firstly pass through the water tank and then are conveyed to a winding position, the monofilament bodies can be discharged through the outlet nozzle after passing through the water tank, the position of the felt is adjusted before passing through the outlet nozzle, the felt can be attached to the surfaces of the monofilament bodies, and the servo motor can be started in the monofilament body conveying process. The servo motor drives the rotating seat to rotate integrally, so that the felt can rotate and adsorb along the periphery of the monofilament body, water on the surface of the monofilament body is removed, heating is faster in the later wiredrawing process, and the whole preparation efficiency is improved.

The utility model relates to the technical field of rivet pulling head replacement, in particular to a multi-specification-changeable rivet pulling device which comprises a sliding part connected with an XY operation table, an object placing plate and an installation part are arranged on the sliding part, an air pressure gun is installed on the object placing plate, a switching assembly is arranged on the installation part, and the switching assembly is connected with the XY operation table. The switching assembly comprises a switching part and a plurality of replacing structures, the replacing structures are arranged in the circumferential direction of the switching part at equal intervals, each replacing structure comprises a driving part and a moving structure, the moving structures can be used for containing rivet nuts, and when the driving parts act, the rivet nuts are driven by the moving structures to move. A first limiting piece and a second limiting piece which are arranged on the switching piece are matched with the moving structure, so that the moving structure can be driven to combine a rivet nut with an air pressure gun, and the air pressure gun can conveniently replace a rivet pulling head; and through cooperation between the switching piece and the replacement structure, convenience can be provided for the replacement process of the rivet pulling head, and therefore the rivet pulling efficiency of the air pressure gun is improved.

The invention relates to the technical field of computer visualization, and discloses a mass stratum data scheduling and visualization method, device, equipment and medium, and the method comprises the steps: initializing an LOD model according to user interaction parameters to obtain attribute display parameters, and determining a data display range according to the attribute display parameters; scheduling data block index numbers in a data display range by using a multi-resolution data scheduling algorithm; judging whether a target data block corresponding to the data block index number exists in a buffer area or not; when the target data block exists in the buffer area, displaying the target data block through a display thread; when the target data block does not exist in the buffer area, sending the target data block into the buffer area through the data read-in thread, and returning to the step of displaying the target data block through the preset display thread; and performing data assembly drawing on the displayed target data block to obtain visual stratum data. According to the invention, the efficiency of mass stratum data scheduling and visualization can be improved.

The utility model relates to the technical field of drawing frames, and discloses a spinning drawing frame convenient to improve efficiency, which comprises a base, a drawing device is fixedly connected to the left side of the top of the base, a connecting rod is fixedly connected to the right side of the drawing device, a supporting assembly is arranged on the outer side of the base, and a positioning mechanism is arranged on the inner side of the base. The positioning mechanism is used for improving the machining efficiency, the inner side of the connecting rod is rotationally connected with a rotating rod, the left side and the right side of the exterior of the rotating rod are each provided with a plurality of bidirectional threaded grooves, the left side and the right side of the exterior of each bidirectional threaded groove are each in threaded connection with a moving plate, and the outer side of each moving plate is fixedly connected with a spring. According to the utility model, the rotating rod drives the bidirectional threaded groove to rotate, the movable plate and the spring are moved through threaded connection, the spring pushes the movable block and adjusts the elasticity of the movable block, the movable block adjusts the position of the wire feeding roller, and the use requirements of wires with different specifications are met by controlling the position and the elasticity of the wire feeding roller.

The invention discloses a traffic element drawing method and device, equipment and a storage medium, and relates to the field of electronic maps, and the method comprises the steps: obtaining an element contour of a target traffic element from point cloud data; based on a reference point in an element template corresponding to the target traffic element, selecting a plurality of calibration points from the element contour; and drawing a target traffic element in the point cloud data according to the spatial position distribution among the plurality of calibration points and the template point set of the element template. According to the method, only the calibration points need to be selected from the element contours of the target traffic elements in the point cloud data, and then the target traffic elements can be semi-automatically drawn into the point cloud data according to the spatial position distribution of the calibration points and the template point set of the element template corresponding to the target traffic elements. Due to the fact that stroking drawing does not need to be conducted manually, the method not only enables the patterns drawn in the point cloud data to be more regular and accurate, but also improves the pattern drawing efficiency to a certain degree.

The present invention belongs to a calculation method, and specifically relates to a batch calculation method for the horizontal projection of uranium borehole penetration points. It includes: step 1, preparing a borehole database: establishing a database structure and entering borehole data; step 2, calling the borehole inclination measurement record to calculate the coordinates of each control point: calling the borehole inclination measurement record and storing the calculation result; step 3, calling the borehole penetration parameters to determine the upper and lower control points of the penetration point: calling the single borehole project penetration parameters to determine the upper and lower control numbers of the ore body, and storing the result; step 4, calculating the coordinates of the borehole penetration point and outputting the coordinates: calculating the coordinates of the borehole penetration point based on the upper and lower control points of the penetration point, and outputting the projection of the penetration point. The significant effects of the present invention are: improving the drawing efficiency of the reserve plan; saving a lot of calculation time; facilitating and quickly querying and exporting data.

The application provides a kind of measurement method of ingot liquid cavity depth in semi-continuous casting process, comprising: step 1, obtaining the solid phase rate corresponding to each temperature value of the alloy to be measured;Step 2, assemble the measuring device;Step 3, mark the immersion position of each thermocouple;Step 4, obtain the liquid cavity depth;Step 5, draw the liquid cavity profile.The application upgrades the liquid cavity depth judgment basis from artificial tactile experience to temperature data, significantly improves the measurement accuracy and repeatability;The application can measure the liquid cavity depth of multiple positions synchronously through the measuring device, which synchronously obtains the liquid cavity depth information of multiple positions during the casting process, avoids the deviation caused by manual point-by-point operation, and improves the efficiency of liquid cavity profile drawing.

The invention relates to a directional drilling track profile map drawing method and device, electronic equipment and a storage medium, in particular to the field of geophysical exploration technology and coal mine water control, and the method comprises the steps that firstly, drilling monitoring data of an actual drilling track in an Ordovician aquifer are obtained based on a drilling orientation instrument, and a drilling orientation instrument is established based on the drilling monitoring data; directional well design analysis software is utilized to obtain drilling control parameters corresponding to any measuring point in the actual drilling track; determining a section line corresponding to the actual drilling track according to the drilling design starting point and the drilling design end point corresponding to the actual drilling track; determining the projection length of any measuring point on the section line in the actual drilling track by using a vector projection method; and finally, drawing a profile map corresponding to the actual drilling track based on the projection length of any measuring point on the profile line and the vertical depth of any measuring point. Profile projection analysis of the actual drilling track of directional drilling can be achieved, the drawing efficiency is effectively improved, and it is guaranteed that the actual drilling position is at the designed target layer.

The utility model provides a copper wire drawing device for solder strip processing, which belongs to the technical field of solder strips, and comprises a workbench, the workbench is provided with a pulley tower, a wire drawing die and a guide wheel, the pulley tower is provided with a copper wire, the copper wire passes through the pulley tower, the wire drawing die and the guide wheel, the workbench is fixedly connected with a water tank, and the water tank is fixedly connected with the wire drawing die. The water tank is located at the lower end of the caster tower, a liquid spraying mechanism is arranged in the water tank, a uniform mixing mechanism is arranged on the liquid spraying mechanism, and a rotating mechanism is arranged on the uniform mixing mechanism. The copper wire drawing device for welding strip machining solves the problems that in the copper wire drawing machining process of an existing copper wire drawing device for welding strip machining, the pH value of cooling liquid is inconvenient to control, the device is prone to being corroded due to the fact that the alkalinity of the cooling liquid is too high, the copper wire drawing efficiency is reduced, the quality of welding strip products is improved, and practicability is greatly reduced.

The utility model provides a plotter for mathematics, which relates to the technical field of plotters and comprises a fixing seat, a sliding groove is arranged at the top of the fixing seat, a rotating ring is arranged in the sliding groove, a top plate is fixedly connected to the top of the rotating ring, and a center line is fixedly connected between the inner walls of the top plate. According to the drawing device, the drawing device is placed on the blackboard, the drawing device can be adsorbed to the blackboard through the suction cup, fatigue caused by long-time supporting of a worker is avoided, the ruler is manually pulled to move left and right, the center line and the scale line serve as reference, the radius of a graph is determined accordingly, the ruler is fixed by tightening the first locking bolt, and the drawing device is convenient to use. The straight ruler is made of transparent acrylic plate materials, the relative position between the pointer and the angle line is observed through the straight ruler, accordingly, the included angle of the circle center of the arc is determined, and the drawing efficiency is greatly improved.

The invention discloses a readable file generation method, an intelligent terminal and a computer readable storage medium. The readable file generation method comprises the steps of obtaining design processing parameters and design processing graphs of a circuit board; the design interlayer via holes and / or the design interlayer groove bodies with the different design machining parameters are / is rendered in the design machining graph by adopting different colors and / or adding different character labels, so that a marked machining graph is obtained; different character name numbers are added to different design processing parameters, and the parameters are stored in a preset two-dimensional array in rows; processing process monitoring parameters and customer acceptance parameters are obtained; adding the processing process monitoring parameters and the customer acceptance parameters into a preset two-dimensional array in rows corresponding to different design processing parameters, so as to render and obtain a quality inspection parameter document; and exporting the marked processing graph and the quality inspection parameter file as a readable file. By means of the scheme, the method for generating the readable file can achieve one-key automatic drawing output, and is simple and easy to expand.

The present invention discloses a real estate surveying and mapping method based on image analysis, comprising the following steps: step one: collecting a number of real estate images through an image acquisition device, and marking and screening the number of real estate images to obtain a number of groups of building images; wherein the image acquisition device is a camera or a drone; it relates to the field of real estate surveying and mapping technology, and solves the technical problem that the image cannot be filled after obstacles appear in positions in both left and right images; by extending the building outline, it is avoided that obstacles block the building during the process of real estate image acquisition, resulting in incomplete outline segments and inability to generate a building model, and the accuracy of the building frame diagram obtained after the extension processing is further improved, thereby improving the accuracy of the building model, and then being able to accurately reflect the actual graphic area of ​​the real estate.