162results about How to "Reduce drawing time" patented technology

This VSB lithography system includes a first, second and third aperture for forming a single electron beam in each of the rectangular opening portion that are provided, and draws a figure pattern using the single electron beam formed by passing the beam through the first, second and third aperture in sequence. Each of the first, second and third aperture has a mechanism for rotationally driving the aperture around an optical axis up to an arbitrary angle from 0 to 360°. Further, in the third aperture, a mechanism for varying the opening slit width of the rectangular opening portion is provided.

The invention relates to a non-photorealistic based art illustration effect drawing method and belongs to the field of information technology. The drawing method comprises the following steps of: segmenting an inputted original image by using a digital matting method, and extracting a foreground image and a background image to obtain a grayscale image of the foreground image; performing tone separation on the grayscale image, and comparing with a threshold based on the tone separation and then adjusting the brightness information of the local images; transferring the color information of the original input image into a result image by using a color transfer method; carrying out filtering treatment on the original input image by using a DoG (Difference of Gaussian) filter so as to obtain an edge image, and expanding the edge based on the morphological dilation treatment; and combining the result image of the color transfer, the edge expansion image and the background image according to factors to obtain the final art illustration effect image. The method provided by the invention has the following advantages: the method can well accord with the aesthetics and has a wide application range, high processing speed and good flexibility, and thus the method can be a beneficial supplement for non-photorealistic simulating of different artistic effects.

The invention provides a method for acquiring a three-view drawing of medical image, which belongs to the technical field of image processing. The method comprises: firstly, acquiring a CT medical image and performing the three-dimensional reconstruction of the medical image to obtain a three-dimensional image; reading the three-dimensional image and obtaining a three-dimensional reconstructed image by reducing the triangular plates in the three-dimensional image by using triangular plate simplification technology to reduce the image drawing time and the occupation of a memory; computing a three-view drawing normal vector and a three-view drawing position coordinate of a point according to the three-dimensional coordinate of the point in the three-dimensional reconstructed image and acquiring a cross section view, a coronal plane view and a sagittal plane view which pass through the point by conversion matrix processing, namely, acquiring the grey values of all points in the cross section view, the coronal plane view and the sagittal plane view by using a trilinear interpolation method to acquire the cross section view, the coronal plane view and the sagittal plane view. In the method, the triangles in the three-dimensional image are reduced to reduce the image drawing time and the occupation of the memory and improve interaction.

The invention discloses a multithreading-based OpenGL quick drawing method. Firstly a bitmap having the same size of the output target size is generated, and the bitmap is partitioned according to the area; then multithreading concurrence is enabled, and each thread is responsible for computing and drawing of one block of the bitmap in a pixel-point-by-pixel-point manner; the overall bitmap is rendered to an FBO after completion of drawing of the bitmap; and finally the FBP is outputted to a screen. The multithreading technology is introduced in the resource drawing process, the resource is firstly outputted to one bitmap saved in the memory, the system resource is fully utilized by applying the parallel computation capacity of the processor, and then a frame buffer area is utilized so that window drawing time is effectively reduced and resource rendering and drawing speed can be enhanced on the whole.

The invention discloses a sewage sludge advanced treatment method which is based on a sewage sludge advanced treatment device. The sewage sludge advanced treatment device comprises a sludge freezing container, a freeze drying energy circulating system and a waste heat recovery device. The freeze drying energy circulating system comprises a compressor, an evaporator, a condenser and a first heat exchanger arranged in the sludge freezing container. The air outlet end of the compressor is connected with the condenser, the condenser is connected with the evaporator through a throttling element, and the evaporator is connected with the air inlet end of the compressor through the first heat exchanger. The waste heat recovery device comprises a waste heat boiler and a heat conduction oil pipe arranged in the waste heat boiler, the heat conduction oil pipe is connected with a second heat exchanger, oil conduction oil enters the second heat exchanger to transfer heat to air, and the air heated is respectively conveyed to a drying device and the sludge freezing container to be used for sludge drying and unfreezing. According to the sewage sludge advanced treatment method, the sludge treatment amount is not increased in the treatment process, and recycling of working medium energy improves sludge freezing efficiency and heat utilization rate.

The invention provides a parametric modeling design method for a fabricated building, which comprises the following steps of: extracting parameters: splitting each component from a CAD structure construction drawing of the building, representing each different component with different parameters, and extracting parameter information of each component; inputting parameters: storing the parameter information of each component into a database, and inputting the parameter information into UG software to form a three-dimensional model of each component; assembling collision: correspondingly assembling three-dimensional models of a plurality of adjacent components in UG software, and carrying out collision detection and collision adjustment on the components; wherein the three-dimensional modelof the qualified standard component is converted into a two-dimensional drawing; a plurality of standard components are used for jointly forming the fabricated building. By using the method disclosedby the invention, the structure construction drawing of the house can be efficiently split into a plurality of standard components, the two-dimensional drawing of each standard component can be accurately given out in detail, and the material list for production and manufacturing can be accurately calculated as soon as possible.

The invention discloses a rendering method of a geographic information system. The rendering method comprises dividing a map layer needing to be displayed into a plurality of sublayers which comprise bottom layers and more than one hot spot layers, respectively creating display lists based on an Open graphics library (GL) for the bottom layers and each hot spot layer, and drawing the bottom layers and the hot spot layers by invoking the display lists corresponding to the bottom layers and the hot spot layers when a map needs to be rendered. The invention further provides a corresponding system. When the map is displayed or renewed, only changed sublayers need to be processed, not all sublayers need to be processed, and therefore the consumed time in mapping is reduced, mapping efficiency is improved, and display effect is further improved.

The invention discloses a sewage sludge advanced treatment device which comprises a crushing device, a drying device, a combustion device and a waste heat boiler. The sewage sludge advanced treatment device further comprises a sludge freezing container and a freeze drying energy circulating system. The freeze drying energy circulating system comprises a compressor, an evaporator, a condenser and a first heat exchanger arranged in the sludge freezing container. The air outlet end of the compressor is connected with the condenser, the evaporator is connected with the air inlet end of the compressor through the first heat exchanger, the condenser is communicated with the bottom of the drying device through a gas pipeline, and the evaporator is communicated with the top of the drying device through a gas pipeline. A heat conduction oil pipe is arranged in the waste heat boiler and performs heat transfer with air to heat the air, and the air heated is respectively conveyed to the drying device and the sludge freezing container to be used for sludge drying and unfreezing. According to the sewage sludge advanced treatment device, chemical agents do not need to be added, the sludge treatment amount is not increased, and sludge freezing efficiency and the heat utilization rate are improved through recycling of working medium energy and heat of sludge.

An irradiation pattern data generation method includes: a process for providing a design pattern having diagonal side portions that extend diagonally with respect to an X-axis direction and a Y-axis direction on an XY plane; a rectangular approximation process for approximating the design pattern to rectangles to generate a rectangular approximation pattern; a first correction process for shifting the side portions of the rectangular approximation pattern in the Y-axis direction to generate a first correction pattern; and a second correction process for enlarging the side portions of the first correction pattern in the X-axis direction and the Y-axis direction to generate an irradiation pattern.

The invention relates to a pen light-colored artistic effect drawing method based on unreality feeling, belonging to the technical field of information. The method provided by the invention comprises the following steps: obtaining gradient information of an original image, using DoG filter to filter the gradient information along the gradient direction, and obtaining an edge image of the original image through comparison with a threshold valve; computing linear filtering coefficient through variance and mean value of a local window, performing linear filtering on the original image and then performing abstraction through bilateral filtering to obtain color diffusion effect; overlaying the edge image and an color diffusion image to obtain preliminary pen line effect; adopting a light illumination module to transmit color so as to obtain color information of the original image; and enhancing contrast of the image through a contrast enhancing method so as to obtain final pen light-colored artistic effect. The advantages of the method provided by the invention are as follows: the pen light-colored artistic effect drawing method more conforms with aesthetic standard of people, has fast processing speed, good flexibility and wide application scope and is beneficial complementation for imitations of different artistic effects based on the unreality feeling.

The invention discloses an implementation method and system for automatic aided design of a rail transit signal system, and the method comprises the following steps: presetting basic data, and configuring the basic configuration of equipment; receiving the basic data, and confirming a connection relationship according to the basic configuration; according to the determined connection relationship,counting equipment and cables, and automatically arranging double-line graph parameter data and cable drawing parameter data; drawing a double-line graph and a matched cable graph according to the parameter data; and storing or outputting the drawn double-line graph and the matched cable graph. The system comprises a storage module; a receiving module; an identification judgment module; a processing module; a drawing module; output module. The invention is realized by utilizing an automatic aided design tool through a fixed algorithm and a drawing design method, the problems of logic processing and drawing correctness can be basically solved in a tool verification and debugging stage, the manual drawing period is shortened, manual drawing errors are avoided, and the enterprise cost is reduced.

The invention discloses a sewage sludge treatment method. The sewage sludge treatment method comprises a first step of utilizing a freeze drying energy circulating system to continuously freeze sludge in a sludge freezing container, unfreezing the sludge after continuous freezing, and performing freezing and unfreezing repeatedly; a second step of dehydrating the sludge having undergone freezing and unfreezing treatment in a filter pressing device, wherein dehydration comprises a filter pressing stage and a squeezing dewatering stage, and enabling the sludge to undergo filter pressing to be chunk mud-cake-shaped sludge low in moisture content; a third step of crushing the chunk mud-cake-shaped sludge in a crushing device and forming small sludge particles; a fourth step of conveying the crushed sludge particles to enter a sludge drying device to be dried, enabling the freeze drying energy circulating system to release heat through a condenser, transferring heat to air, and enabling the hot air to enter the sludge drying device to dry the sludge particles. According to the sewage sludge treatment method, chemical agents do not need to be added to sludge, the sludge treatment amount is not increased in the treatment process, and recycling of working medium energy greatly improves sludge freezing efficiency and heat utilization rate.

The invention discloses an energy-saving type sewage sludge harmless treatment method. The method includes the following steps of firstly, conducting continuous freezing on sludge through a freeze drying energy circulation system, and unfreezing the sludge after continuous freezing; secondly, conducting dewatering on the sludge, completely processed through freezing and unfreezing, in a filter pressing device, so that sludge with the low moisture content is obtained through filter pressing; thirdly, smashing the sludge in a smashing device; fourthly, conveying smashed sludge particles into a sludge drying device to be dried, dissipating heat through the freeze drying energy circulation system by means of a condenser, and transferring heat to air; fifthly, sending the sludge particles into an incinerator to be incinerated, making generated high-temperature smoke enter a waste heat boiler, making air heated by the condenser enter a second heat exchanger to continue to absorb heat, and unfreezing the sludge and drying the sludge particles through the formed high-temperature air. By means of the method, the sludge processing amount cannot be increased in the treatment process, and due to recycling of working medium energy, the freezing efficiency and the heat utilization rate of the sludge are increased.

The invention discloses a pop art style drawing method based on non-photorealistic. The method comprises the steps that an input static two-dimension image is converted into a gray level image, a Poisson digital matting method is used for conducting image segmentation, and a body in the gray level image is extracted; the gray level image is segmented in a threshold segmentation method to obtain a black image and a white image, and a filtering method is used for conducting filtering smoothness on the black image and the white image; a white area is deleted, pixel points in a black area are reserved to generate a final foreground image; images with color textures are selected to be used as texture samples, and a texture synthesis method is used for synthetizing a final background image; at last, the foreground image and the background image are fused, and a final colored pop art effect image is obtained. The pop art style drawing method based on the non-photorealistic has the advantages of more according with the aethestic standard of people, and being wide in application range, high in processing speed and good in flexibility, thereby being a beneficial supplement for non-photorealistic to simulate different artistic effects.

The invention discloses a sewage sludge treatment device which comprises a filter pressing device 1, a crushing device 2 and a drying device 3. The sewage sludge treatment device further comprises a sludge freezing container 4 and a freeze drying energy circulating system. The freeze drying energy circulating system comprises a compressor 5, a first evaporator 6, a condenser 7 and a second evaporator 8 arranged in the sludge freezing container. The air outlet end of the compressor is connected with the condenser, the condenser is connected with the first evaporator through a throttling element, the first evaporator is connected with the air inlet end of the compressor through the second evaporator, the condenser is communicated with the bottom of the drying device through a gas pipeline 10, the first evaporator is communicated with the top of the drying device through a gas pipeline, and the condenser is communicated with the first evaporator through a gas pipeline. According to the sewage sludge treatment device, chemical agents do not need to be added to sludge, the sludge treatment amount is not increased in the treatment process, and recycling of working medium energy greatly improves sludge freezing efficiency and heat utilization rate.

The invention discloses a detailed design method of a mechanical and electrical engineering pipeline system based on Autodesk Revit. The method specifically comprises the following steps: S1, formulating a two-dimensional and three-dimensional modeling standard of the system; S2, establishing civil engineering and electromechanical system template files; S3, determining a system modeling mode according to the engineering conditions; S4, establishing a system model and arranging electromechanical system pipelines; S5, carrying out collision detection on the electromechanical system pipelines, and arranging the electromechanical system pipelines according to a relation to be adjusted; and S6, exporting a two-dimensional CAD map of the system pipelines and optimizing a chart layout. According to the detailed design method of the mechanical and electrical engineering pipeline system based on Autodesk Revit provided by the invention, an integrated two-dimensional and three-dimensional design method is adopted to effectively avoid the collision of the pipelines, improve the arrangement accuracy of the pipelines, reduce the drawing workload, shorten the chart output time and improve the working efficiency.

The invention discloses a virtual view point drawing method based on a spatial weighting. According to the drawing method, the coordinate transformation of pixel points is performed by using rows as units so as to obtain actual projected pixel points, and then interpolation processing is performed by using the rows as the units, so that upper and lower sampling operations in the VSRS drawing method of virtual view points are omitted, and the drawing time is further shortened; the spatial positions of the projected pixel points, and the influences of a plurality of projected pixel points on the drawing quality are sufficiently considered, and a spatial weighting manner is adopted, so that noise caused by the inaccuracy of depth images is effectively decreased, the drawing precision is improved, and the subjective quality and the objective quality of virtual view-point images are further improved; the influences of different regions of reference view points on the drawing quality are sufficiently considered, the number of the projected pixel points near whole pixel points in the virtual view-point image broadwise reflects the regional distribution situation, and corresponding interpolation can be performed on different regions, so that the pixel points in the reference view points can be accurately inserted in the virtual view points, and the quality of the virtual view-point image is improved.

The invention relates to a method for generating a three-dimensional bracket model in a PDMS (Plant Design Management System) into two-dimensional plane standard three views, in particular to a method for generating the three-dimensional bracket model in the PDMS into CAD (Computer-Aided Design) format two-dimensional standard three views. The PDMS is used for exporting the DB Listing function of text model information, a calculation command is developed through a .Net development interface provided by AutoCAD software, and three-dimensional model information exported from the PDMS is read according to a bracket number input by a user, the two-dimensional standard three views and the bill of materials of the bracket are automatically generated, and a one-key drawing output function from the PDMS three-dimensional model is realized. By use of the method, inherent defects that an operation for the drawing output software of the PDMS to output a DXF (Drawing Exchange Format) drawing is complex, the deep requirement of an engineering drawing can not be met and revision regulation is difficult can be avoided by aiming at the characteristics of a pipeline bracket, the customization and the generation of the standard two-dimensional drawing of the pipeline bracket is realized, the drawing output time of design personnel is shortened to a maximum degree, and the design efficiency of pipeline bracket design personnel can be effectively improved.

The invention discloses an ArcGIS-based 1:10000 national standard topographic map making method and belongs to the field of standard topographic map making.One-key generation of a 1:10000 topographic mapsheet meeting the national standard is achieved, various finishing factors in the mapsheet are accurately marked, map making time is effectively shortened, and efficiency is improved.

The invention discloses an advanced treatment method for sewage sludge.The method is based on a sewage sludge treatment device, and the sewage sludge treatment device comprises a sludge refrigerating container(4), a freeze drying energy-cyclic system and a waste heat recovery device, wherein the freeze drying energy-cyclic system comprises a compressor (5), an evaporator (6), a condenser (7) and a first heat exchanger (8) arranged in the sludge refrigerating container.An air outlet end of the compressor is connected with the condenser which is connected with the evaporator through restricting elements.The evaporator is connected with an air inlet end of the compressor through the first heat exchanger.The condenser is communicated with the bottom of a dryer through a gas pipeline (10), the evaporator is in through connection with the top of the dryer through the gas pipeline, and at the same time, the condenser is in through connection with the evaporator through the gas pipeline.The recovered heat is used for sludge drying of the dryer and for sludge thawing.According to the advanced treatment method, the sludge treating capacity will not be increased in the treating process, and the sludge refrigeration efficiency and heat use ratio of the sludge can be improved by the cyclic utilization of the working medium energy.

The invention relates to an improvement of a traditional axial pump vane airfoil design method, and provides a novel axial pump vane airfoil optimizing design method. The method has the advantages that the strength of a vane is effectively improved, the service life of the vane is prolonged, the casting difficulty of the vane is reduced, the vane drawing time is greatly shortened, the labor is saved, and the hydraulic performance of the vane is ensured. The method is characterized in that the sharp parts at the inlet and outlet ends of the back surface of the vane airfoil are changed into the circular arc transition, and the parts near the inlet and outlet ends are properly thickened; the placing position of the vane is determined by using the profile placing angle to replace the vane inlet and outlet placing angle; the vane airfoil is designed according to the following main parameters, namely chord length l, working surface profile radius R1, back surface profile radius R2, vane inlet circular arc radius r1, vane outlet circular arc radius r2, and profile placing angle alpha L.

The invention discloses a design guiding system and method for a circuit board layout rule. The system comprises a part database, an input module, a processing module, an editing module, a succession module and a layout rule database, wherein the part database is used for storing packaging specification information data and name naming rule of a circuit board element; the input module is used for inputting network name of a circuit board to be drawn and the packaging specification information data of the related circuit board element and is connected with the part database; the processing module is used for selecting a specific network name as well as related element and terminal element names from the network name and the packaging specification information data, wherein layout rules are to be set for the specific network name as well as the related element and terminal element names; the editing module is used for finding out a connection relation and defining the layout rule of a matching group according to the analyzed circuit board terminal element; by using the succession module, the user can succeed the edited layout rule document to other circuit boards with the same circuit architectures; and the layout rule database is used for storing and arranging the edited documents so as to fast and conveniently search and obtain the desired layout rule document so that the resources are convenient to be shared and fast succeeded.

A semiconductor laser device includes a first semiconductor stack portion that includes a grating layer and an active layer provided on the grating layer. The grating layer has a first region and second region; a diffraction grating provided in the first region; a semiconductor ridge structure portion provided on the first semiconductor stack portion and extending in a first direction; and a pair of first trenches provided along both side faces of the semiconductor ridge structure portion with the first region of the grating layer being located between the trenches. The first trenches penetrate through the grating layer. The first region of the grating layer has an end extending in a second direction intersecting with the first direction. The end of the first region of the grating layer reaches a trench.

Embodiments of the invention disclose a picture drawing method and a related product. The method is applied to a mobile terminal. The mobile terminal runs a GL thread and a working thread except the GL thread, called by a graphic splicing program interface OpenGL ES. The method comprises the steps that the working thread writes picture data of a target picture in a graphic buffer; the working thread packages the picture data written in the graphic buffer to be in a Texture format identifiable for the GL thread; and the GL thread uses the picture data in the Texture format to execute drawing operation for the target picture. According to the method, the problem of picture display jamming can be solved; the picture drawing speed of the mobile terminal can be increased; and the picture drawing time is shortened.

The invention provides a large-scale scene virtual sky modeling method under the condition of multi-viewpoint multi-view-angle view field displaying. Firstly, three-dimensional realistic modeling of a combined type sky pillar and other individual objects is carried out, then integration of virtual large-scale scenes based on the combined type sky pillar is finished, motion rules of the combined type sky pillar and other motion models are set, and finally viewpoints based on the combined type sky pillar are set. The large-scale scene virtual sky modeling method under the condition of multi-viewpoint multi-view-angle view field displaying effectively achieves multi-viewpoint and multi-view-angle observation and real-time three-dimensional realistic displaying of observation view fields, achieves a continuous and smooth sky background switch-over effect both in the horizontal direction and in the vertical direction, can meet virtual sky modeling requirements of multi-viewpoint and multi-view-angle observation and three-dimensional realistic displaying of view fields in large-scale scene visual simulation.

The invention discloses a construction method of an arc cable wire slot structure. The arc cable wire slot structure comprises a cable wire slot and a wire slot bearing part, wherein the cable wire slot comprises two segments of linear wire slots and an arc wire slot for connecting the two sections of linear wire slots; the arc segment wire slot is slot-shaped and comprises two connecting units with the same shape and size; two connecting units are in left-right mirroring butt joint, each connecting unit comprises a bottom plate, and a long ledge and a short ledge which are respectively vertical to the bottom plate. The construction method comprises the steps of computing the bend angle of the arc segment wire slot, counting the angle and the type of the arc segment wire slot, drawing a blank part detail drawing by using the 3D software, processing to produce the arc segment wire slot and numbering, paying off according to the mounting of a wire slot support by a design drawing, and mounting the wire slot. The construction method can satisfy the demand of the rigid cable wire slot mounting when the municipal integrated trench construction arc structure part is high in occupancy, the arc wire slot is multiple in specification and model, the cable laying quality requirement is high, and the mounting space arrangement difficulty is large.

A drawing apparatus, including: a drawing unit which performs drawing of a design by applying inks of plural types to a drawing target area of a drawing target; and a control unit which controls the drawing unit on basis of image data of the design; wherein the control unit sets a plurality of unit areas each of which has a contact part contacting with each other in the drawing target area on basis of the image data, and the control unit controls the drawing unit to perform drawing on a specific unit area of the plurality of the unit areas when the control unit determines that every unit area contacting with the specific unit area is at least a dried unit area for which drying of the applied ink is finished or an un-drawn unit area to which the ink is not applied.

The invention discloses a computer graphics method for manufacturing centrifugal rating plate, comprising the following steps: inputting a circular arc parameter, and graphing an auxiliary circle; according to the circular arc start angle parameter, drawing an auxiliary radial and intersecting with the auxiliary circle, and calculating the practical start angle of the circular arc according to the intersection; obtaining the practical end angle of the circular arc with the same method, and graphing a main circular arc according to the obtained practical start and end angle; deleting the auxiliary radial and the auxiliary circle; according to one of three scale angle deflection methods, calculating to obtain the theoretical deflection angle of each scale mark on the circular arc; drawing the auxiliary circle taking the circle center of the circular arc as the center and the radius of the scale mark as the radius; according to the theoretical deflection angle parameter of each scale mark, graphing an auxiliary radial of which the starting point is the circle center of the scale mark, and obtaining the intersection of the auxiliary radial and the auxiliary circle, i.e. the practical starting point of the scale mark; the scale mark is successively graphed according to the parameters such as, the practical starting point, the theoretical deflection angle, the length and the like ofthe scale mark.