52results about How to "Drawing implementation" patented technology

The invention discloses a three-dimensional model drawing method, comprising the steps of: carrying out viewport cutting on displayed image data so as to obtain image data corresponding to different viewport heights and different spans of latitudes and longitudes; dividing the corresponding image data into a plurality of data blocks according to the different viewport heights and different spans of latitudes and longitudes; carrying out detailed level processing on each data block and constructing a plurality of three-dimensional solid models; and drawing the three-dimensional solid model corresponding to each data block. The invention also discloses a three-dimensional model drawing device which realizes the rending of mass three-dimensional models under the condition of high-speed and high-accuracy drawing of the three-dimensional model data.

The invention relates to a computer drawing method for vector map symbols with image smoothing characteristic. In the method, the image display characteristic is analyzed by taking image characteristic of aliasing phenomenon of the vector map symbol on a display device as a start point under the condition that the resolution of the device is not increased; and the vector map symbol is smoothly drawn through sampling and image filtering according to categories of points, lines and planes of the map symbol. The drawing method overcomes the defects of rough display of the conventional vector map symbol and large superimposition display contrast with image data and the vector drawing is converted into image processing and output, so that computer fine drawing of all map symbols can be realized and the drawing method has great significance for the field of geographic information visualization.

The present invention discloses a global illumination drawing method based on virtual light sources and adaptive sparse matrix reduction. The method comprises: a visual sampler, virtual light sources and light source information of each visual light source of a scene to be drawn are determined; the visual sampler includes rendering points at the geometry grid surface of the scene to be drawn and sight sections in the medium of the scene to be drawn of a camera, and the virtual light sources include visual point light sources and visual line light sources; the light transmission matrix of the scene to be drawn is constructed, corresponding light trees according to the light source information of the visual light sources are built, and the sparse matrix reduction of the light transmission matrix array is performed in lines according to the light trees, wherein the sparse matrix reduction is that: weighing sum of the illumination values of the visual sampler corresponding to each pixel point is performed to take the weighing sum result as the luminance value of the pixel point. The global illumination drawing method based on virtual light sources and adaptive sparse matrix reduction are able to realize the drawing of the scene with the medium and perform the sparse matrix reduction of each light transmission matrix through adoption of some elements so as to greatly improve drawing efficiency.

The invention provides an extensible line type drawing method in a geographic information system and solves the problems of drawing and extension of line shape ground objects. The method divides each line type into single line type unit, and then a coordination system is established for the line type unit; when in actual drawing, each line type unit is drawn along the trending of the line shape ground objects in sequence, and the connection between adjacent line type units is processed, thus realizing the drawing of a line shape ground object completely.

The invention discloses a drawing method and system for a traffic intersection signal timing-sequence diagram. The method comprises the steps as follows: intersection geographic coordinate configuration information in the same format as a road network information data base is established on a client side; the intersection geographic coordinate configuration information of the client side corresponding to a traffic intersection to be drawn is obtained, and the intersection geographic coordinate configuration information is analyzed to obtain intersection geographic coordinates; according to the intersection geographic coordinates, road network information of the traffic intersection corresponding to an intersection geographic coordinate position is read from the road network information data base, wherein the road network information comprises intersection information, isolation strip information, zebra crossing information and green belt information; according to the road network information, a traffic intersection schematic base diagram is drawn through a drawing engine; and timing-sequence data of signal lamps of the traffic intersection to be drawn are obtained, traffic signal lamp states are drawn on the traffic intersection schematic base diagram according to the timing-sequence data, and the traffic intersection signal timing-sequence diagram is obtained. According to the method and the system, the instantaneity of obtaining of the traffic intersection signal timing-sequence diagram is improved.

The invention relates to a vector map generation method and device, electronic design and a computer readable medium. The method comprises: acquiring map position data and authority data to be drawn;determining drawing container data according to the map position data, wherein the drawing container data comprises vector tiles and a plurality of layers; traversing the plurality of layers accordingto the authority data to extract symbol codes; and rendering the symbol code and displaying the symbol code on the vector tile to generate the vector map. According to the vector map generation method and device, the electronic design and the computer readable medium, vector data can be visualized, and then map drawing is achieved at the browser end.

The embodiment of the invention relates to the technical field of image processing, and discloses an animation generation method, an animation generation device, electronic equipment and a computer readable storage medium. The animation generation method comprises the following steps: processing an original four-channel image into an original single-channel image, and processing the original single-channel image into a binary single-channel image; then, determining a contour set of a target image in the binarized single-channel image, wherein the contour set comprising at least two contours; then, determining a contour coordinate point set and the movement amplitude of each contour coordinate point in the contour coordinate point set according to the contour set, and generating the vertexof the triangular patch according to each contour coordinate point in the contour coordinate point set; generating a circular flow animation of the target image based on the original four-channel image, the predetermined moving speed and the predetermined moving time according to the contour coordinate point set, the moving amplitude of each contour coordinate point and the vertex of the triangular patch; and drawing static pictures into an animation with a dynamic effect.

The invention discloses an image rendering method. The method comprises steps of segmenting a multicolor image into a plurality of monochrome images, setting foreground color for each monochrome image, acquiring pixel dot matrix data of the monochrome image, and rendering the corresponding foreground color according to the pixel dot matrix data. The invention also discloses an image rendering system, which comprises a segmenting unit, an image pixel dot matrix data acquisition unit, an initial coordinate setting unit, a foreground color setting unit and a traversal drawing unit. According to the scheme of the invention, simple pixel dot matrix data are adopted, rendering of a complicated image can be realized via simple combination, the memory is saved, the rendering efficiency is improved, and the method can be applied to an embedded system.

The invention discloses a writing operation processing method and device. The method comprises the steps that writing operation is obtained through a drawing thread, writing data corresponding to thewriting operation is obtained, and an off-screen drawing function is created in the drawing thread; determining a brush type corresponding to the writing operation; and based on the brush type, updating the writing data to the current bitmap through the drawing thread. The technical problem that the processing efficiency is low due to the fact that the processing method of the writing operation iscomplex for different types of paintbrushes in the prior art is solved.

The invention discloses a method for drawing a topological graph, which is used for realizing the drawing of the topological graph, reduces occupied internal memory and enhances the drawing speed of the topological graph. The method comprises the following steps of: constructing a simple graphic object by computer equipment according to the type attribute of a resource; calculating the density value of a screen by the computer equipment according to the number of network elements in the resource positioned in a visible area of the screen and judging whether the density value of the screen is greater than the preset density threshold of the screen or not; and when a judgment result is that the density value of the screen is not greater than the preset density threshold of the screen, constructing an integral graphic object for the resource by the computer equipment according to all the attributes of the resource positioned in the visible area of the screen. The invention also disclosesa device which is used for realizing the method.

The invention provides an electronic chip current drawing method and device. The method comprises the following steps that the current data of an electronic chip are sampled; the sampled data are analyzed; and the analyzed current data are drawn into a current change curve. The technical scheme has the advantages of realizing drawing of the current change curve.

The invention discloses a drawing method for a crescent dune map symbol based on a sand ridge line. The drawing method comprises the following steps that form feature points of the sand ridge line are extracted based on the existing crescent dune sand ridge line data on the basis of keeping the mutual relation of crescent dune form factors (length, width and height, etc.); the form parameter values of a crescent dune are calculated; the contour line of the crescent dune is drawn; the windward slope and the leeward slope of the crescent dune are constructed; and filling of the windward slope color and the leeward slope color of the crescent dune is performed so that drawing of the crescent dune map symbol is realized. The form features of all the single crescent dunes of different crescent dune distribution areas can be really reflected on the basis of guaranteeing high-efficiency operation.

The invention relates to an air route drawing system based on a network map and electronic equipment. The air route drawing system comprises an air route creation module and an air route drawing module, wherein the air route creation module is used for creating an air route information array, adding air route information input by a user into the air route information array, and calling an API interface of a network map through the air route drawing module to draw corresponding air routes. By implementing the air route drawing system, a user can input different air route information according to own requirements to draw the air route defined by the user, and when the air route information is changed, the corresponding air route can be drawn directly through the API interface of the networkmap, so that the working efficiency of air route drawing is improved.

The invention discloses a method for performing frequency analysis and synchronously drawing a frequency curve in Excel and is applicable to the technical fields of mathematics and engineering design.The method comprises the specific steps that first, a formula is derived; second, a normal probability paper coordinate system is drawn in Excel; and third, a P-III frequency curve is drawn. Throughthe method for performing frequency analysis and synchronously drawing the frequency curve in Excel, working time is greatly shortened, a program directly runs in a series of files to be subjected tofrequency analysis, and it is not needed to copy the series into text files and then open the files one by one; and after a macro command is run, any series contained in a result graph can be displayed in the graph without the need for adding the series one by one, drawing of the P-III frequency curve is realized, and a generated frequency curve graph meets the requirement of a formal publicationformat.

This invention provides a method for drawing round punches including the following steps: selecting a round drawing, judging if said drawing is legal, if not, then the drawing is stopped, if it's legal, then the core and radius are remained, automatically reading the tolerant punch structure, correcting the tolerant parameter value of the structure based on the radius, judging if the modified parameter is legal, if it's not legal, then the parameter is modified again, if it's legal, then the center and the radius are read then to finish the drawing of multiple punches at one run.

The invention discloses a phase angle drawing device for power, and the phase angle drawing device is used for realizing efficient and precise drawing for a phase angle. From the center of the top of a base, a supporting rod is upwards extended; a movable rod is arranged on the supporting rod; a jack screw is arranged between the supporting rod and the movable rod; the outer wall of the movable rod is provided with a lamp holder support; a lamp holder is mounted in the lamp holder support in a hinged mode; a lamp tube is arranged in an inner cavity of the lamp holder; a tapered seam is formed in the lamp holder; a switch is arranged on the base; the switch, the lamp holder and a storage battery on the base form an illuminating current loop; a positioning assembly is arranged between an inner plate and the base; the side edge of the inner plate is provided with inner scale marks; the outer plate can be mounted on the inner plate in a relatively rotary mode; and the outer plate is provided with outer scale marks. The device is convenient and simple in use, and capable of efficiently realizing phase angle drawing.

The invention provides a curve determination method, a curve determination device, a computer readable storage medium and electronic equipmentand relates to the technical field of computers. The method comprises the following steps: determining a first midpoint between a first input point and a second input point, and determining a second midpoint between the second input point and a third input point; determining a first line width according to the first input point and the second input point, and determining a second line width according to the second input point and the third input point; determining a point to be connected according to the first line width, the second line width, the first midpoint and the second midpoint; drawing a quadrangle according to the to-be-connected points and determining a to-be-output curve according to the quadrangle. According to the method disclosed by the invention, the problem that the determined writing track is greatly different from the actual writing track of the user can be solved to a certain extent, so that the effect of the determined writing track is improved.

The embodiment of the invention provides a method and a device for displaying a power communication deployment pattern. The method comprises the following steps: obtaining a business logic corresponding to a current to-be-drawn pattern; obtaining logic data corresponding to the business logic; transferring a preset HTML5 drawing control, carrying out analysis on the logic data and generating a to-be-displayed deployment pattern, wherein the deployment pattern comprises target objects analyzed from the logic data and a line-connection relationship between the target objects; and displaying the deployment pattern on a mobile terminal. According to the method and the device, the drawing convenience can be improved; and the drawing efficiency is improved.

The embodiment of the invention discloses a sky drawing method, device and equipment and a medium, and relates to the field of three-dimensional electronic maps. The method comprises the following steps: determining a screen display area of the sky according to a screen display area of a to-be-drawn three-dimensional scene; determining depth information of the sky according to a screen display area of the sky; and drawing the sky according to the depth information of the sky. The embodiment of the invention provides a sky drawing method, a sky drawing device, sky drawing equipment and a medium, and aims to draw the sky with a correct visual effect and reduce the computational complexity of drawing.

The invention discloses a method for accelerating the display speed of a set top box, which comprises the following steps that: step 1, a universal graphic image display interface is designed; and step 2, the function of the designed graphic image display interface adopts a combination drive to accelerate the display speed of the set top box. In the invention, by utilizing the method to accelerate the display speed of the set top box, a great quantity of CPU time is saved, even if when a large number of graphic images are drawn, a system can still smoothly display; when the system calls a great quantity of point drawing operations, unsmooth phenomenon can not occur; and the method can more quickly draw graphic data with transparent color. In short, by adopting the multiple function combination drive with the graphic image display interface, the invention effectively solves various problems existing in drawing graphic image in the interface of digital TV set boxes, improves the drawing efficiency, and leads users to more comfortably enjoy a smooth display process of the set top box.

The embodiment of the application discloses a processing method for a 3D model and a terminal. The processing method comprises: according to N central-axis coordinate points of a target 3D model subsection and model radiuses corresponding to all central-axis coordinate points, N circular 3D model rings of the target 3D model subsection are determined; M circular ring coordinate points are determined in the N circular 3D model rings to obtain N*M circular ring coordinate points; on the basis of the N*M circular ring coordinate points, a plurality of vertex indexes of the target 3D model subsection are determined; a uv texture coordinate group of the target 3D model subsection is obtained; and according to the plurality of vertex indexes and the uv texture coordinate group of the target 3D model subsection, the target 3D model subsection is drawn. Therefore, the overall 3D model is drawn by drawing the t 3D model subsection, so that the manufacturing efficiency is improved; system resources occupied by the entire 3D model in the game operation are reduced; and the operation efficiency is improved.