Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of performance requirement that reduces terminating machine, improves the method and system that the three-dimensional land deeds panorama of the service efficiency of system is showed.
For addressing the above problem, a kind of technical scheme that the present invention adopts is: a kind of method that provides three-dimensional land deeds panorama to show comprises:
(1) server cluster sends the three-dimensional buffer memory of land deeds panorama three-dimensional data to each terminating machine;
(2) after terminating machine receives described three-dimensional buffer memory, described three-dimensional buffer memory to internal memory, is obtained and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to request coordinate indication range;
Obtain target land deeds panorama three-dimensional data corresponding to described request coordinate indication range based on the three-dimensional buffer memory of described target, and described target land deeds panorama three-dimensional data is shown on described terminating machine display screen.
Wherein, " obtain target land deeds panorama three-dimensional data corresponding to described request coordinate indication range based on the three-dimensional buffer memory of described target, and described target land deeds panorama three-dimensional data shown on described terminating machine display screen " in described (2) comprising:
(21) display buffer of the three-dimensional buffer memory of described target and described terminating machine display screen is compared, obtain the three-dimensional buffer memory of difference that display buffer does not have in the three-dimensional buffer memory of target;
(22) load the three-dimensional buffer memory of described difference and itself and described display buffer are merged with the ESRI form from internal memory, obtain described target land deeds panorama three-dimensional data and with described target land deeds panorama three-dimensional data in described terminating machine demonstration screen display.
Wherein, described (1) also comprises before: (0) described server cluster carries out slicing treatment to the land deeds panorama three-dimensional data of uploading, and will store the cache location that presets into through the form that the land deeds panorama three-dimensional data after slicing treatment is cut into slices with buffer memory, obtain the three-dimensional buffer memory of land deeds panorama three-dimensional data.
Wherein, described (0) comprising:
(01) described server cluster to the land deeds panorama three-dimensional data of the uploading processing of classifying, obtains a plurality of dissimilar sub-three-dimensional datas;
(02) described server cluster carries out slicing treatment according to the engineer's scale list of agreement to described sub-three-dimensional data, to store the cache location that presets into the buffer memory sliced form through the sub-three-dimensional data after slicing treatment according to the type of described sub-three-dimensional data, obtain the three-dimensional buffer memory of land deeds panorama three-dimensional data.
For addressing the above problem, the another kind of technical scheme that the present invention adopts is: the system that provides a kind of three-dimensional land deeds panorama to show, comprise server cluster and at least one terminating machine, and described server cluster is connected with terminal network by the BT technology; Described server cluster comprises sending module, the three-dimensional buffer memory that is used for obtaining the three-dimensional buffer memory of land deeds panorama three-dimensional data and sends land deeds panorama three-dimensional data to described terminating machine; Described terminating machine comprises:
Acquisition module after being used for receiving described three-dimensional buffer memory, to internal memory, obtains described three-dimensional buffer memory and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to request coordinate indication range;
Display module is used for obtaining target land deeds panorama three-dimensional data corresponding to described request coordinate indication range based on the three-dimensional buffer memory of described target, and described target land deeds panorama three-dimensional data is shown on described terminating machine display screen.
Wherein, described display module comprises:
Comparing unit is used for the display buffer of the three-dimensional buffer memory of described target and described terminating machine display screen is compared, and obtains the three-dimensional buffer memory of difference that display buffer does not have in the three-dimensional buffer memory of target;
Display unit is used for loading the three-dimensional buffer memory of described difference and itself and described display buffer being merged from internal memory with ES RI form, obtains described target land deeds panorama three-dimensional data and described target land deeds panorama three-dimensional data is shown screen display at described terminating machine.
Wherein, described server cluster also comprises: buffer memory forms module, be used for the land deeds panorama three-dimensional data of uploading is carried out slicing treatment, and will store the cache location that presets into through the form that the land deeds panorama three-dimensional data after slicing treatment is cut into slices with buffer memory, obtain the three-dimensional buffer memory of land deeds panorama three-dimensional data.
Wherein, described buffer memory formation module comprises:
Taxon for processing that the land deeds panorama three-dimensional data of uploading is classified, obtains a plurality of dissimilar sub-three-dimensional datas;
The section unit, be used for according to the engineer's scale list of agreement, described sub-three-dimensional data being carried out slicing treatment, to store the cache location that presets into the buffer memory sliced form through the sub-three-dimensional data after slicing treatment according to the type of described sub-three-dimensional data, obtain the three-dimensional buffer memory of land deeds panorama three-dimensional data.
The invention has the beneficial effects as follows: be different from prior art very high to the performance requirement of terminal computer, can occur the situation of deadlock in system's operational process, and the three-dimensional terminal data in the existing network pattern is longer lock in time, service efficiency is low, the present invention obtains and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to request coordinate indication range, can avoid the terminating machine display screen to show that too big data quantity causes terminating machine to crash.
Further, the present invention can save the terminal computer system internal memory and further avoid the terminating machine display screen to show that too big data quantity causes terminating machine to crash also by the display buffer of the three-dimensional buffer memory of described target and described terminating machine display screen is compared.And in the present invention, server cluster mainly is responsible for the corresponding functions such as three-dimensional buffer memory, database analysis, applied analysis service, and terminating machine only is used for processing corresponding Presentation Function, has so just greatly reduced the performance requirement of terminating machine, improves the service efficiency of system.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
See also Fig. 1, the system that present embodiment provides a kind of three-dimensional land deeds panorama to show comprises server cluster 1 and at least one terminating machine 2, and described server cluster 1 is connected with terminating machine 2 networks by the BT technology.In the present invention, server cluster mainly is responsible for the corresponding functions such as three-dimensional buffer memory, database analysis, applied analysis service, and terminating machine only is used for processing corresponding Presentation Function, has so just greatly reduced the performance requirement of terminating machine.
Server cluster 1 comprises sending module, the three-dimensional buffer memory that is used for obtaining the three-dimensional buffer memory of land deeds panorama three-dimensional data and sends land deeds panorama three-dimensional data to described terminating machine 2.
Terminating machine 2 comprises acquisition module and display module.Acquisition module after being used for receiving described three-dimensional buffer memory, to internal memory, obtains described three-dimensional buffer memory and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to request coordinate indication range.Display module is used for obtaining target land deeds panorama three-dimensional data corresponding to described request coordinate indication range based on the three-dimensional buffer memory of described target, and described target land deeds panorama three-dimensional data is shown on described terminating machine 2 display screens.
In above-mentioned embodiment as shown in Figure 2, the system that three-dimensional land deeds panorama is showed comprises server cluster 1 and at least one terminating machine 2, and described server cluster 1 is connected with terminating machine 2 networks by the BT technology.Server cluster 1 comprises that buffer memory forms module 11 and sending module 12, and terminating machine 2 comprises acquisition module 21 and display module 22.Buffer memory forms module 11 and specifically comprises: taxon 111 and the unit 112 of cutting into slices, display module 22 specifically comprises: comparing unit 221 and display unit 222.
In the present embodiment, also comprise each ground management system, be mainly used in the land deeds panorama three-dimensional data cluster 1 of uploading onto the server, the taxon 111 of server cluster 1 to its processing of classifying, obtains a plurality of different sub-three-dimensional datas after receiving the land deeds panorama three-dimensional data of uploading.
Section unit 112 carries out slicing treatment according to the engineer's scale list of agreement to described sub-three-dimensional data, to store the cache location that presets into the buffer memory sliced form through the sub-three-dimensional data after slicing treatment according to the type of described sub-three-dimensional data, obtain the three-dimensional buffer memory of land deeds panorama three-dimensional data.In the present embodiment, sub-three-dimensional data mainly comprises: vector data, image data, model data and elevation model.The three-dimensional buffer memory that section unit 112 will obtain the land deeds panorama is sent to sending module 12.
After sending module 12 gets the three-dimensional buffer memory of land deeds panorama three-dimensional data, and send the three-dimensional buffer memory of the land deeds panorama three-dimensional data that receives to described terminating machine 2.
After the acquisition module 21 of terminating machine 2 receives described three-dimensional buffer memory, with described three-dimensional buffer memory to internal memory.The three-dimensional buffer memory that receives due to terminating machine 2 is not the content of the terminating machine 2 required demonstrations of display screen, show that for fear of terminating machine 2 display screens too big data quantity causes terminating machine 2 to crash, acquisition module 21 obtains and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to user's request coordinate indication range.
Comparing unit 221 is in order to save Installed System Memory, further avoid terminating machine 2 display screens to show that too big data quantity causes terminating machine 2 to crash, comparing unit 221 is compared the display buffer of the three-dimensional buffer memory of described target and described terminating machine 2 display screens, obtains the three-dimensional buffer memory of difference that display buffer does not have in the three-dimensional buffer memory of target.
Display unit 222 obtains the three-dimensional buffer memory of described difference, and load the three-dimensional buffer memory of described difference with the ESRI form and itself and described display buffer are merged from internal memory, obtain described target land deeds panorama three-dimensional data and described target land deeds panorama three-dimensional data is shown screen display at described terminating machine 2.
As can be seen from above, the present invention obtains and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to request coordinate indication range by acquisition module 21, can avoid terminating machine 2 display screens to show that too big data quantity causes terminating machine 2 to crash.Further, the present invention also compares the display buffer of the three-dimensional buffer memory of described target and described terminating machine display screen by comparing unit 221, obtain the three-dimensional buffer memory of difference that display buffer does not have in the three-dimensional buffer memory of target, can save terminating machine 2 Installed System Memories and further avoid terminating machine 2 display screens to show that too big data quantity causes terminating machine 2 to crash.And in the present invention, server cluster mainly is responsible for the corresponding functions such as three-dimensional buffer memory, database analysis, applied analysis service, and terminating machine only is used for processing corresponding Presentation Function, has so just greatly reduced the performance requirement of terminating machine, improves the service efficiency of system.
See also Fig. 3, the method for showing for the three-dimensional land deeds panorama according to the present invention is at the schematic flow sheet of server set group terminal.
At step S31, the taxon of server cluster obtains a plurality of dissimilar sub-three-dimensional datas to the land deeds panorama three-dimensional data of the uploading processing of classifying.In the present embodiment, sub-three-dimensional data comprises: vector data, image data, model data and elevation model.
At step S32, server cluster is judged the type of sub-three-dimensional data, and processes accordingly according to the type of sub-three-dimensional data.
At step S321, the type of sub-three-dimensional data is two-dimensional vector data, namely vector data.The section unit of server cluster is after receiving vector data, and the 2-D data that backs up described vector data and trigger server cluster is processed service, according to the engineer's scale list of agreement, described vector data is carried out slicing treatment.After slicing treatment was completed, server cluster also was updated to the DBMS form of described vector data with the ESRI common storage in database.In other embodiments, " the DBMS form of described vector data with the ESRI common storage is updated in database " this step also can with preamble in " backing up described vector data " carry out simultaneously.Here, the engineer's scale table is to determine the engineer's scale scope according to described other difference of vector data level (provincial, city-level, counties and districts' level), in order to improve the display speed of terminating machine.
At step S322, the type of sub-three-dimensional data is image data, i.e. DOM data shown in Figure 3.The section unit of server cluster backs up described image data after receiving image data, and calls the DOM data and process service image data is carried out slicing treatment.When carrying out slicing treatment, server cluster is with engineer's scale list identical when processing described vector data, described image data to be carried out slicing treatment.
At step S323, the type of sub-three-dimensional data is model data, i.e. three-dimensional modeling data shown in Figure 3.The section unit of server cluster backs up described model data after receiving described model data, and the windows background service by webservice invoking server cluster, by the arcgis kernel, model data conversion is entered into the system of server cluster, then server cluster calls the ESRI internalist methodology described model data is carried out slicing treatment with engineer's scale list identical when processing described vector data again.
At step S324, the type of sub-three-dimensional data is elevation model, i.e. DEM model shown in Figure 3.The section unit of server cluster backs up described elevation model after receiving described elevation model.Server cluster first passes through the windows background service of webservice invoking server cluster, elevation model conversion is entered into the arcgis kernel of server cluster by calling the arcgisengine kernel again, call at last the ESRI internalist methodology described elevation model is carried out slicing treatment with engineer's scale list identical when processing described vector data.
At step S33, after the section unit antithetical phrase three-dimensional data of server cluster is carried out slicing treatment, the vector data after slicing treatment, image data, model data and elevation model are stored in the array of server cluster with the form of buffer memory section respectively.
At step S34, the three-dimensional buffer memory that the sending module of server cluster will be handled well sends to terminating machine.
See also Fig. 4, the method for showing for the three-dimensional land deeds panorama according to the present invention is at the schematic flow sheet of terminating machine end.
At step S401, after the acquisition module of terminating machine receives described three-dimensional buffer memory, with described three-dimensional buffer memory to internal memory.
At step S402, the three-dimensional buffer memory that receives due to terminating machine is not the content of the required demonstration of terminating machine display screen, show that for fear of the terminating machine display screen too big data quantity causes terminating machine to crash, acquisition module can obtain and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to request coordinate indication range.
At step S403, comparing unit is compared the display buffer of the three-dimensional buffer memory of described target and described terminating machine display screen, obtains the three-dimensional buffer memory of difference that display buffer does not have in the three-dimensional buffer memory of target.This step can be saved Installed System Memory, further avoids the terminating machine display screen to show that too big data quantity causes terminating machine to crash.
At step S404, display unit obtains the three-dimensional buffer memory of described difference, and load the three-dimensional buffer memory of described difference with the ESRI form and itself and described display buffer are merged from internal memory, obtain described target land deeds panorama three-dimensional data and described target land deeds panorama three-dimensional data is shown screen display at described terminating machine, realize the complete demonstration of terminating machine display screen.
As can be seen from above, the present invention obtains and the three-dimensional buffer memory of the corresponding target of described request coordinate indication range to described internal memory according to request coordinate indication range, can avoid the terminating machine display screen to show that too big data quantity causes terminating machine to crash.
Further, the present invention is also by comparing the display buffer of the three-dimensional buffer memory of described target and described terminating machine display screen, obtain the three-dimensional buffer memory of difference that display buffer does not have in the three-dimensional buffer memory of target, can save the terminal computer system internal memory and further avoid the terminating machine display screen to show that too big data quantity causes terminating machine to crash.And in the present invention, server cluster mainly is responsible for the corresponding functions such as three-dimensional buffer memory, database analysis, applied analysis service, and terminating machine only is used for processing corresponding Presentation Function, has so just greatly reduced the performance requirement of terminating machine, improves the service efficiency of system.
The above is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.