51results about How to "Fast drawing" patented technology

The invention specifically discloses an embedded agency monitoring device and method supporting real-time operating state acquiring. The device comprises a monitoring server, at least one node server and a client end browser; each node server is communicated with the monitoring server which is communicated with the client end browser; the node server comprises a hardware monitoring agency module, a platform application monitoring agency module and a service monitoring agency module; the monitoring server comprises a hardware monitoring processing module, a platform application monitoring processing module and a service monitoring processing module; and the hardware monitoring agency module is communicated with the hardware monitoring processing module, the platform application monitoring agency module is communicated with the platform application monitoring processing module and the service monitoring agency module is communicated with the service monitoring processing module.

The invention discloses a 3D scene generation method based on a depth video. The method comprises the following steps that S1, data of the depth video and a color video are collected by using a depth camera, and filtering out is performed; S2, the depth video on which filtering out is performed is converted into three-dimensional point cloud data by combining a plane coordinate and a depth value, and then a scene model is built according to the three-dimensional point cloud data; S3, the color corresponding to each point in the three-dimensional point cloud data is obtained from color video data on which filtering out is performed and the color is applied to the scene model so as to obtain a color scene model; S4, the format of data of the color scene model are converted into the 3D file format, and converted files are 3D scene files. The scene generated through the method is verisimilar and natural, modeling is convenient and efficient, calculation amount and memory space are small during drawing, and the method is more suitable for real-time modeling and drawing.

The invention relates to a method for compressing and displaying a picture including transparent information, which can be used for well solving the problems of larger occupation space and slower drawing speed in the prior art, wherein a special decoding library and a special drawing library are established on terminal equipment firstly; then, an original picture of the picture including transparent information is compressed, stored and displayed on the terminal equipment by the following steps of: step 1, reading the original picture and decoding the original picture by the terminal equipment; step 2, newly establishing a corresponding target picture; step 3, reading alpha channel values to form an alpha channel value list; step 4, storing colour data; step 5, inputting auxiliary information of the original picture in the target picture; step 6, storing; and step 7, transferring the special decoding library and the special drawing library to display the target picture. By means of the invention, the picture including transparent information can be converted into a picture having small storage occupation space and rapid drawing speed so as to be compressed, stored and displayed.

This invention relates to computer graphics and mode identification technique field and in detail to use point recreation for super large scale of medical three-dimensional image visualization and comprises the following steps: first to divide the cared part from the medical two-dimensional slice; second to recreate based on point to extract the cared organic three-dimensional surface and to store it in form of point; third to draw with three-dimension to display the extracted surface mold with the drawing method based on points.

The invention provides a national fundamental geographic information data-based incremental map updating method. A geographic data-map making data-map data-based map making model is constructed, and incremental geographic data is combined to realize incremental map updating on the basis of basic state data. The method mainly comprises the following steps of: importing the incremental geographic data on the basis of the basic state data; performing semantic matching on the incremental geographic data, and extracting the incremental information of the incremental geographic data; performing incremental map making conversion on the incremental geographic data by combining the incremental information and basic state map making knowledge to generate incremental map making data; performing incremental symbolization and annotation and incremental graph and annotation conflict detection and processing on the incremental map making data by combining the basic state map making knowledge; and updating basic state geographic data on the basis of the incremental geographic data to finish the incremental map updating.

The invention relates to a method for real-time shadow driven by field of view. In a three-dimensional virtual environment, the method adopts the following steps: firstly, the field of view is projected to the plane of a light source to generate a projection area, and generate a two-dimensional AABB bounding box for the projection area; secondly, a shadowgraph is generated, and the range of coverage of the shadowgraph is only within the AABB bounding box; and thirdly, the shadowgraph is mapped into a scene to generate shadow. The invention has the advantages that unnecessary shadow drawing in the scene is avoided, the utilization factor of the shadowgraph is increased, and the anti-aliasing effect is very good; in addition, only one to two shadowgraphs need to be drawn, and the real-time property is very high, thereby meeting the requirement of real-time shadow drawing in a large-scale scene with millions of patches.

The invention provides a virtual view generating method based on shielding region detection. The virtual view generating method comprises the following steps of performing edge detection on a left view and a right view of a left reference viewpoint and a right reference viewpoint and extracting edge information; respectively dividing pixel sections of the left view and the right view according to the edge information and performing matching on the pixel sections; checking matching results of the pixel sections so as to perform secondary matching according to the shielding situation and detecting shielding regions of the left view and the right view; generating a virtual view according to the matching result of the pixel sections and detection results of the shielding regions. The virtual view generating method can fully utilize information of two reference viewpoints and avoid large-area void rendering. In addition, calculation redundancy can be further decreased and the calculation efficiency can be improved by adopting the method. Furthermore, virtual view rendering is achieved based on a shielding region and non-shielding region local change method without pixel calculation according to parallax values, and accordingly the drawing speed can be improved.

The invention relates to a method for drawing enhanced model contour surface point. At the stage of preprocessing, the spatial coordinates, normal vectors, radiuses and color information of sampled points are read and stored, a splat template is generated according to a given layer number, the sampled points are spatially divided according to a threshold specified by a user, k neighbors of each sampled point are solved, and finally, by utilizing the k neighbors, a coordinate transformation method is used to solve the curvature of each point. At the stage of operation, whether the sampled points are contour points or not is judged according to the normal vectors and visual angles of the sampled points, and if the sampled points are contour points, a series of vertex coordinates of curved surface splats with the sampled points as centers are calculated. If the sampled points are not contour points, a Surface Splatting algorithm is utilized to carry out drawing: a Jacobian matrix mapped by the 2D space of the sampled points is solved; the visibility of the splats projected on a screen is determined, and the splats are merged; the spatial light intensity of one pixel of the screen is calculated by utilizing an illumination model and shading; and finally, normalization is carried out. The drawing speed is high, the requirement on real time can be effectively met without hardware acceleration, and moreover, the drawing quality is high.

The present invention relates to a marine radar echo simulation system and particularly provides a DEM data superposition-based marine radar echo simulation method. The method comprises the steps of A, reading the electronic sea chart data of a target region, storing a contour in the form of a linked list, storing the position information of a guide control center in a radar simulator, and transferring the information in a GPU constant register at the same time; storing the DEM data of the region in a GPU texture buffer; B, invoking a preset timer function in a Microsoft development library; C, responding to the information of a timer to generate user-layer data, and conducting the radar plotting. According to the technical scheme of the invention, the processing speed of a marine radar simulator is improved. Meanwhile, the simulated radar echo simulation accuracy is improved.

The invention provides a virtual view rendering method which comprises the following steps of: (S1) according to a first view and a second view at a first reference viewpoint and a second reference viewpoint, respectively calculating a first disparity map of the first view relative to the second view and a second disparity map of the second view relative to the first view; (S2) according to the first view and the first disparity map as well as the second view and the second disparity map, rendering a virtual view, and respectively establishing a first index map and a second index map of the virtual view, corresponding to the first disparity and the second disparity; (S3) detecting a hole with the area exceeding a first threshold in the virtual view, determining the corresponding regions of the hole in the first view and the second view according to the first index map and the second map, and taking values in the corresponding regions to fill the hole; and (S4) filling the rest holes in the virtual view. Image processing traces are not obvious by using the method, and the reality of the virtual view is strong.

The invention discloses a plotter comprising a moving mechanism, a plotting pen, a positioning device and a controller, wherein, the moving mechanism is used for enabling the plotter to independently move on plotting paper; the positioning device is used for detecting the position of the plotting pen relative to the original point; the controller controls the plotter to move to the starting point of a picture to be plotted and move to the finishing point of the picture to be plotted along the track of the picture to be plotted; and when the plotter moves along the track of the picture to be plotted, the plotting pen plots the track of the picture to be plotted on the plotting plate. Compared with the prior art, the plotter of the invention is suitable for the plotting paper of any sizes, has rapid plotting speed and small volume, and is convenient for carrying, and a great amount of power can be saved.

The invention discloses a three-dimensional vision simulation system for aerial vehicles. The system comprises a human-machine interactive module, a model configuration module, a collision detection module, a vision display module, a communication module, a data storage module and a three-dimensional scene roaming module; simulative operations of a user are processed in parallel; specifically, a human-machine interface is developed via a MFC (Microsoft foundation class) library; pure numbers, numerical curves and three-dimension animations are simulated separately via ProEssential and OpenGL; the communication module uses UDP communication and serial port communication techniques; the collision detection module uses an image-based collision detection optimization algorithm; thus, the whole system meets the basic simulation needs of the user.

Ball grinding mill bearing bush lubricating oil and a manufacturing method thereof solve the problem that a ball grinding mill bearing bush is poor in lubrication in the severe environment. The ball grinding mill bearing bush lubricating oil is formed by using synthetic oil as base oil and refining multiple added efficient composite additives, has the advantages of being abrasion-resisting, high-temperature-resisting, oxidation-resisting, firm in formed film and the like, and can repair wire drawing and reduce abrasion and bearing bush temperature at fastest speed. The work efficiency and the product quality are improved obviously, the repair and maintenance costs are reduced, the service life of a device is prolonged, and energy consumption is reduced greatly. The ball grinding mill bearing bush lubricating oil is composed of, by mass, mineral lubricating oil 49%-69%, polyester synthetic oil 20%-40%, thickening agent 0.05%-0.15%, organic molybdenum composite additive 2.5%-4.5%, T306 additive 1%-3%, T202 antioxygen 0.4%-0.6%, T551 metal deactivator 0.7%-0.9% and T704 antirust additive 0.6%-0.8%, wherein the summation of the components is a hundred percent.

The invention discloses a drawing method and device, electronic equipment and a readable storage medium, and relates to the field of automatic driving. According to the specific implementation scheme,multiple frames of point clouds in a place where a vehicle is located are collected, and the multiple frames of point clouds are spliced based on the target pose transformation information to obtaina map of the place where the vehicle is located. The target pose transformation information comprises relative pose transformation information of the point clouds and sub-graphs where the point cloudsare located, relative pose transformation information between the adjacent point clouds, relative pose transformation information between the sub-graphs and a transformation relation between a localcoordinate system and a global coordinate system. According to the method, the problem that the drawing efficiency is not high due to the fact that the uploading time of the data to a server is too long is avoided, and meanwhile the flexibility of drawing is greatly improved.

The invention discloses a digital mine comprehensive management method and a system. The method comprises the steps of acquiring the real-world image of a mine roadway; according to the position data of a to-be-displayed object, displaying the label of the to-be-displayed object at the corresponding position of the real-world image; according to the operation of a user on the label, controlling the to-be-displayed object. Based on the above method and the above system, the real-world image is integrated with the two-dimensional technology and the three-dimensional technology, and then the environment information and the production information of a digital mine can be visually displayed and remotely controlled. The construction workload of the three-dimensional platform of a mine is greatly reduced and the manufacturing cost is lowered. Meanwhile, the data volume is small, so that the scene drawing speed is faster. The scene interaction capability is strong, and the authenticity is better. The geographic element information of the real world can be completely expressed.

The invention relates to a fast drawing method of a multi-level war-game map based on a blocking structure. The fast drawing method comprises the steps of: establishing a hexagonal grid template block; calculating all vertex positions in the hexagonal grid template block and storing; calculating the number of splicing blocks needed in directions X and Y according to a resolution ratio of a hexagonal grid needing to draw; drawing each splicing block one by one. According to the fast drawing method of the multi-level war-game map based on the blocking structure, the reusability characteristics of the hexagonal grid on geometric structures and material attributes are discovered, the redundant calculation is reduced, the calculation speed is improved so that the speed of drawing a large-scale hexagonal grid is real-time.

The invention discloses a ship pipeline support and hanger rapid statistics and plotting method based on a three-dimensional model, wherein the method comprises the following steps: building a pipeline support and hanger model, and enabling installation information parameters of pipeline supports and hangers to be matched in the three-dimensional model; laying the pipeline support and hanger model, wherein the pipeline supports and hangers need to be classified and laid under the corresponding assembly nodes according to statistics and plotting requirements; numbering the pipeline support andhanger model, and writing numbering information into model attributes; exporting pipeline support and hanger statistical information: performing projection transformation on the pipeline support and hanger model, establishing a mapping relationship between different view angle projection drawings of the pipeline supports and the corresponding simplified symbols, and transforming the projection drawings of the pipeline support and hanger model into the corresponding pipeline support and hanger simplified symbols; and quickly labeling a pipeline support and hanger installation drawing. The method has the beneficial effects that automatic statistics of the specifications and the number of the pipeline supports and hangers is achieved, rapid plotting of the pipeline support and hanger installation drawing is achieved according to the plotting requirements of the pipeline supports and hangers, and the design quality and efficiency of a pipeline system are greatly improved.

The invention discloses a drawing board, which is capable of ensuring drawing quality and has higher drawing efficiency. The drawing board disclosed by the invention comprises a board, a transverse ruler and a straight scale; the transverse ruler is positioned on the board and in sliding fit with the board; a sliding groove is arranged on the transverse ruler; idler wheels are arranged at two ends below the transverse ruler; the idler wheels are in sliding fit with two lateral edges of the board; a sliding ruler is positioned on the transverse ruler; a sliding block below the sliding ruler is embedded in the sliding groove and in sliding fit with the sliding groove; a vertical ruler is positioned below a connection plate and articulated with the connection plate into a whole; two bolts are arranged below the connection plate; the bolts and two bolt holes on the sliding ruler are in corresponding insertion fit; and all of the straight scale, the transverse ruler and the sliding ruler are provided with scales and scale values. According to the drawing board disclosed by the invention, the transverse ruler always can vertically slide and be located on the board in a horizontal state; the vertical ruler can transversely slide to draw through the sliding ruler; in the need of drawing an inclined line, the vertical ruler is only necessary to rotate to a required position; the drawing board is simple to operate in the drawing process; the drawing speed is rapid; and the drawing quality is also high.

The invention discloses a building structure surface crack size automatic labeling method, which belongs to the technical field of electronic information and structure detection, and is used for solving the problem that the size data of a structure crack cannot be automatically and rapidly obtained and outputted at present. The specific technical implementation steps of the invention comprise A, collecting the image data; b, carrying out the image gray processing; c, simplifying the image into a trend line; d, determining a labeling point; e, adding a picture to the labeling software; f, determining a labeling position; g, obtaining the size information between the points; and H, carrying out size labeling and drawing. According to the invention, the labeling function of the AutoCAD software commonly used in engineering is ingeniously used; after the image is processed, the size labeling in the length direction and the width direction is carried out, the achieved crack labeling methodhas the advantages of being high in automation degree, rapid in image drawing, high in result reference and the like, and the method has the advantages for the cracks with irregular shapes.

The invention provides a plotter for mathematic teaching, and relates to a spiral line drawing device. A transverse slide way arranged longitudinally is arranged in the center of the upper side of a base. A movable frame is vertically disposed on the base. The lower edge of a convex edge of the movable frame is connected with a rack below the base. The vertical edge of a triangular support is supported on the rear side of the movable frame. The lower end of a lead angle guide rod is hinged to the right-angle position of the movable frame. The upper end of the lead angle guide rod is fixed to an arc-shaped through groove through a lead angle adjusting bolt. A longitudinal slide way which is through in the forward-backward direction is arranged on the lead angle guide rod, and a line drawing pen is matched with the slide way. A slider is arranged on the portion, on the rear side of the line drawing pen, on the base. A vertical slide groove is formed in the vertical edge of the triangular support, and the slider is matched with the vertical slide groove in a sliding mode. A motor is fixed below the base, a gear is installed on a motor rotary shaft, and the gear is engaged with the rack. The plotter solves the problems that spiral graphs in mathematic teaching are not standard, students can not participate in the circular helix drawing process, and the teaching effect is not ideal.

The invention discloses a machining error statistical analysis device. The device selects sample capacity, adopts a displacement sensor and a high-precision digital caliper to measure the original sizes of all samples, and develops a data processing system through an analog quantity input module and software to realize data acquisition, processing and drawing of a distribution diagram. The devicejudges the machining error property, determines the process capability and the grade thereof, estimates he qualified rate and the unqualified rate, and draws a point diagram. Upper and lower control boundary lines and two limit dimension lines in the point diagram can be used as reference boundaries for controlling unqualified products. Finally, related items are printed through a printer. The device has the beneficial effects of accurate data measurement, high calculation result precision and high curve drawing speed. The statistical analysis efficiency of the machining error can be greatly improved. The intelligent test of the statistical analysis of the machining error is realized.

The invention provides a drawing method of an indoor plan diagram, comprising the following steps: S1, a point is selected as a first pole in the indoor, and a first pole coordinate system is established; 2, selecte a point in that room as a reference point and taking the reference point as an origin to establish a rectangular coordinate system, wherein the first polar coordinate system and the rectangular coordinate system are in the same horizontal plane; This method of drawing interior plans does not require a person to measure the dimensions of every part of the room, Also does not need the designer to draw the indoor floor plan according to the measured size, only needs to select the suitable position to collect the coordinate data of the indoor outline, will automatically draw the indoor floor plan, the size is accurate, the drawing speed is fast, reduced the workload of drawing the floor plan.

The invention provides a plotter for mathematic teaching, and relates to a spiral line drawing device. A transverse slide way arranged longitudinally is arranged in the center of the upper side of a base. A movable frame is vertically disposed on the base. The lower edge of a convex edge of the movable frame is connected with a rack below the base. The vertical edge of a triangular support is supported on the rear side of the movable frame. The lower end of a lead angle guide rod is hinged to the right-angle position of the movable frame. The upper end of the lead angle guide rod is fixed to an arc-shaped through groove through a lead angle adjusting bolt. A longitudinal slide way which is through in the forward-backward direction is arranged on the lead angle guide rod, and a line drawing pen is matched with the slide way. A slider is arranged on the portion, on the rear side of the line drawing pen, on the base. A vertical slide groove is formed in the vertical edge of the triangular support, and the slider is matched with the vertical slide groove in a sliding mode. A motor is fixed below the base, a gear is installed on a motor rotary shaft, and the gear is engaged with the rack. The plotter solves the problems that spiral graphs in mathematic teaching are not standard, students can not participate in the circular helix drawing process, and the teaching effect is not ideal.

The invention relates to an urban open cut tunnel cross section drawing method based on ObjectARX. The method comprises the steps of starting a user operation interface for drawing a cross section in AutoCAD; selecting a cross section type to be drawn; inputting tunnel cross section design parameters; calling a calculation engine to calculate cross section feature point coordinate values; judging the validity of the parameters; initializing a drawing environment; automatically drawing a cross section graph in the current drawing and calculating engineering data of the cross section area; and outputting the operation log. The method provided by the invention has the characteristics of high parameterization degree and high drawing speed, and can effectively alleviate the problems of low efficiency, high error rate and time and labor consumption of reworking during design change of traditional engineering technicians in manual drawing of the cross section graph. The method is mainly applied to underground engineering such as urban open-cut tunnels, and is particularly suitable for tunnel engineering design of urban open-cut method construction.

The invention provides a large-scale three-dimensional forest drawing method. The large-scale three-dimensional forest drawing method comprises the steps of S1, reading ground elevation data of a three-dimensional forest drawing area and constructing a digital ground model; s2, separating a forest region from the digital ground model and rendering the forest region by utilizing grassland noise texture; s3, setting a forest density random distribution function and generating a tree distribution point information graph in the forest area; s4, setting tree basic mode information for each tree distribution point; s5, obtaining tree comprehensive mode information according to the ground elevation data, the tree distribution point information and the tree basic mode information; s6, according tothe tree comprehensive mode information, achieving close-range tree texture display at different visual angles; and S7, achieving explicit and implicit display of the forest along with the change ofthe observation distance by utilizing a multi-detail-level technical method. According to the method, the large-scale three-dimensional forest can be rapidly drawn, and the drawn three-dimensional forest is high in sense of reality.

The invention discloses a helix type mathematics teaching demonstration device and relates to mathematics teaching demonstration devices. A slide way which is longitudinally arranged is located in the center of the upper surface of a base; a protruding edge is arranged at the bottom side of a transverse movement plate, and the lower portion of the protruding edge is connected with a rack which is arranged below the base; the bottom edge of a triangular support is fixedly connected with the strip-shaped surface at the back side of the base, and the vertical edge of the triangular support props up the back side of the transverse movement plate; two or more helix lead angle guide slide ways which are different in inclination angle are arranged on the transverse movement plate, and a drawing pen is matched with a certain helix lead angle guide slide way; a slide block located at the position, behind the drawing pen, of the base is in sliding fit with a vertical sliding groove formed in the vertical edge of the triangular support; a gear is installed below a round structure at the front side of the base, and the gear is meshed with the rack; the upper end of a revolving shaft of the gear is connected with a prism on the surface of the base, and a hole matched with the prism is formed in the center of the bottom of a conical model; a telescopic rod is arranged on the front portion of the drawing pen. By means of the device, the problems that helix graphs on the conical surface are not standard at all, and the teaching effect is still not satisfying are solved.

The invention specifically discloses an embedded agency monitoring device and method supporting real-time operating state acquiring. The device comprises a monitoring server, at least one node server and a client end browser; each node server is communicated with the monitoring server which is communicated with the client end browser; the node server comprises a hardware monitoring agency module, a platform application monitoring agency module and a service monitoring agency module; the monitoring server comprises a hardware monitoring processing module, a platform application monitoring processing module and a service monitoring processing module; and the hardware monitoring agency module is communicated with the hardware monitoring processing module, the platform application monitoring agency module is communicated with the platform application monitoring processing module and the service monitoring agency module is communicated with the service monitoring processing module.

The invention relates to a tool ruler, in particular to a multifunctional tool ruler for shoemaking, and aims to provide the multifunctional tool ruler with relatively large quantity of drawing pattern types for shoemaking. The multifunctional tool ruler comprises a top plate, a first bearing seat, a second bearing seat, a supporting rod, a first slide rail, a rotating shaft, a worm, a worm gear, a rack, a first slider, a motor, a small belt pulley, a flat belt, a large small belt pulley, a first pressure lever, a second slider, a connecting rod, a third slider, a fixing plate, a second pressure lever, a thumb cylinder, a disc, a guide plate, a model, a spring and a second slide rail, wherein the first bearing seat, the second bearing seat, the supporting rod and the first slide rail are arranged at the bottom of the top plate from left to right in sequence. The multifunctional tool ruler has the beneficial effects that the number of drawing pattern types is large; materials can be saved to reduce cost; the drawing speed is faster; time and labor are saved during drawing.

The invention relates to a method for drawing enhanced model contour surface point. At the stage of preprocessing, the spatial coordinates, normal vectors, radiuses and color information of sampled points are read and stored, a splat template is generated according to a given layer number, the sampled points are spatially divided according to a threshold specified by a user, k neighbors of each sampled point are solved, and finally, by utilizing the k neighbors, a coordinate transformation method is used to solve the curvature of each point. At the stage of operation, whether the sampled points are contour points or not is judged according to the normal vectors and visual angles of the sampled points, and if the sampled points are contour points, a series of vertex coordinates of curved surface splats with the sampled points as centers are calculated. If the sampled points are not contour points, a Surface Splatting algorithm is utilized to carry out drawing: a Jacobian matrix mapped by the 2D space of the sampled points is solved; the visibility of the splats projected on a screen is determined, and the splats are merged; the spatial light intensity of one pixel of the screen is calculated by utilizing an illumination model and shading; and finally, normalization is carried out. The drawing speed is high, the requirement on real time can be effectively met without hardware acceleration, and moreover, the drawing quality is high.