CN107273591A - Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques - Google Patents
Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques Download PDFInfo
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- CN107273591A CN107273591A CN201710399794.7A CN201710399794A CN107273591A CN 107273591 A CN107273591 A CN 107273591A CN 201710399794 A CN201710399794 A CN 201710399794A CN 107273591 A CN107273591 A CN 107273591A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F8/30—Creation or generation of source code
- G06F8/31—Programming languages or programming paradigms
- G06F8/315—Object-oriented languages
Abstract
The present invention relates to a kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques.Its purpose is to provide a kind of Hydrodynamic Simulation platform for meeting China's its own geographical situation and streamflow regime foundation.The present invention includes the interface describing module that data I/O interface module, graph rendering module, task management module, Man Machine Interface and basic space metadata are provided with GIS engine layers, IS engine layers.Set up on GIS engine layers basis on two dimensional surface map environment Visualization platform, two dimensional surface map environment Visualization platform and be provided with raster data management module, vector data management module and map denotation interactive module.According to the collection to data, Hydrodynamic Model is set up, the monitoring to different regions water body situation is completed.
Description
Technical field
Field, more particularly to a kind of water based on DirectX Display Techniques are built the present invention relates to a kind of grid platform
Kinetic model two-dimension GIS platform construction method.
Background technology
The important tool worked out as flood risk mapping, flood risk analysis software is always that external business software is occupied predominantly
Position.China is a water conservancy big country, and remarkable achievement is all achieved at many aspects of Water Resources Domain, but we are domestic
The horizontal force analysis platform that one and China's its own geographical and streamflow regime are not consistent.Mountain torrents and urban flooding are current still
It is that people's lives and properties are threatened with huge Disaster Event, is realized if being related to the flood risk analysis method of itself to the reliable of flood
Analysis is the technical problem for being currently needed for solving.
The content of the invention
Meet what China's its own geographical situation and streamflow regime were set up the technical problem to be solved in the present invention is to provide a kind of
Hydrodynamic Simulation platform.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein,
Including GIS engine layers,
Data I/O interface module, graph rendering module, task management module, man-machine interaction is provided with GIS engine layers to connect
The interface describing module of mouth and basic space metadata,
Data I/O interface module on described GIS engine layers is used for the transmission of data；
Graph rendering module on described GIS engine layers is used to render the topographic map and waters figure that collect；
Task management module on described GIS engine layers data are carried out by the way of object-oriented unified collection and
Management；
The interface describing module of Man Machine Interface and basic space metadata on described GIS engine layers is used for many
Space interpolation is handled,
Two dimensional surface map environment Visualization platform is set up on GIS engine layers basis, two dimensional surface map scene can
Raster data management module, vector data management module and map denotation interactive module are provided with platform depending on changing,
Raster data management module is used for the loading and display of raster data, and wherein raster data includes satellite image data
With DEM altitude datas；
Vector data management module is used for the editor of vector data, including the drafting function of point-line-surface, Show Styles are set
Put the batch editor and selection function with editting function and a variety of vector space key elements；
Map denotation interactive module is used to carry out the conversion between figure layer projection and figure layer, to not during image projection
Vector data projection with coordinate carries out unitized read and loading.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein institute
State the transmission that the data I/O interface module on GIS engine layers supports multiple format data, including Shapefile forms, TIFF lattice
Formula and Image forms.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein institute
The graph rendering module stated on GIS engine layers uses DirectX graphics rendering technologies, while graph rendering module supports GPU to add
Speed carries out Fast rendering to figure.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein institute
The unified collection of data progress and way to manage for stating object-oriented in the task management module on GIS engine layers include following step
Suddenly：
Step S1, finds acquisition target, selects different data objects to be added；
Step S2, according to the data object generation collection calculator collected, collection calculator takes out the object collected
As generation parent object, and the object collected is specifically generated into subclass object；
Step S3, is preserved to parent object and subclass object, is inherited to parent object and the collection work(of subclass object
Energy；
Step S4, reads the title of each subclass object under parent object, is added in loading combobox；
Step S5, when carrying out object collection, the specific subclass object of content creating in combobox performs corresponding son
The collection of class object；
Step S6, the subclass object collected is stored.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein institute
State Man Machine Interface on GIS engine layers and basic space metadata interface describing module support many space interpolation functions and
Method, many space interpolation functions include dem data interpolation function and scatterplot interpolation function, and many spatial interpolation methods are inserted including IDW
Value method and Kriging interpolation methods.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein institute
Stating the raster data for loading and showing in raster data management module includes satellite image data and DEM altitude datas, grid number
According to pyramid data loading and display model is set up inside management module, multiclass detailed data is branched out under master data.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein institute
State the batch selection function of a variety of vector space key elements in vector data management module includes the selection, the selection of line, face of point again
Selection, the selecting of frame, the selection of circle and condition selection.
A kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques of the present invention, wherein institute
Vector data projection of the map denotation interactive module to different coordinates during image projection is stated to carry out unitized reading and add
Carry.
Hydrodynamic Model two-dimension GIS platform construction method and prior art of the invention based on DirectX Display Techniques
Difference is：The hydrodynamic force platform that the present invention is set up on DirectX Display Techniques, can carry out two to waters image
Dimension display and image loading, while being superimposed for image and vector data can be completed, display to waters and are analyzed more straight
See, be indispensable part in flood risk analysis software especially to particularly important in terms of the analysis of flood.
Embodiment
Hydrodynamic Model two-dimension GIS platform construction method of the invention based on DirectX Display Techniques, including GIS draw
Layer, and the two dimensional surface map environment Visualization platform based on GIS engine layers are held up, number is provided with GIS engine layers
Described according to the interface of I/O interface module, graph rendering module, task management module, Man Machine Interface and basic space metadata
Module；Be provided with two dimensional surface map environment Visualization platform raster data management module, vector data management module and
Map denotation interactive module.
Data I/O interface module on GIS engine layers provides multiple data I/O interfaces, and each data I/O interface supports a variety of lattice
The transmission of formula data, including the transmission of the data such as Shapefile forms, tiff format and Image forms.
Graph rendering module on GIS engine layers uses DirectX graphics rendering technologies, to the topographic map that is collected and
Waters figure carries out DirectX and rendered, while graph rendering module supports GPU to accelerate to carry out Fast rendering to figure.
Task management module on GIS engine layers uses HDF data formats, while to data by the way of object-oriented
Unified collection and management are carried out, the data collection and administration mode of object-oriented comprises the following steps：
Step S1, finds acquisition target, selects different data objects to be added；
Step S2, according to the data object generation collection calculator collected, collection calculator takes out the object collected
As generation parent object, and the object collected is specifically generated into subclass object；
Step S3, is preserved to parent object and subclass object, is inherited to parent object and the collection work(of subclass object
Energy；
Step S4, reads the title of each subclass object under parent object, is added in loading combobox；
Step S5, when carrying out object collection, the specific subclass object of content creating in combobox performs corresponding son
The collection of class object；
Step S6, the subclass object collected is stored.
The interface describing module of Man Machine Interface and basic space metadata on GIS engine layers supports many space interpolations
Function and method, many space interpolation functions include dem data interpolation function and scatterplot interpolation function, and many spatial interpolation methods include
IDW interpolation methods and Kriging interpolation methods.
Two dimensional surface map environment Visualization platform, two dimensional surface map are set up on the basis for building GIS engine layers
Raster data management module, vector data management module and map denotation interactive module are provided with environment Visualization platform.
Raster data management module supports the loading and display of the raster data of the big order of magnitude, and wherein raster data includes defending
Star image data and DEM altitude datas, set up pyramid data loading and display model inside raster data management module,
Multiclass detailed data is branched out under master data, is easy to lookup and the record of staff.
The editor of vector data management module support vector data, the editor of vector data includes the drafting work(of point-line-surface
The batch editor and selection function of energy, the setting of Show Styles and editting function and a variety of vector space key elements, it is many of
The batch selection function of vector space key element includes selection, the selection of line, the selection in face, the selection for selecting, justifying of frame put again
And condition selection etc..
Map denotation interactive module supports the translation function between figure layer projection and figure layer, to not during image projection
Vector data projection with coordinate carries out unitized read and loading.
The present invention a kind of Hydrodynamic Model two-dimension GIS platform and its construction method based on DirectX Display Techniques,
The hydrodynamic force platform set up on DirectX Display Techniques, two-dimentional display can be carried out to waters image and image is loaded, together
When can complete being superimposed for image and vector data, display to waters and analyze more directly perceived, the analysis especially to flood
Aspect is particularly important, is indispensable part in flood risk analysis software.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (8)
1. a kind of Hydrodynamic Model two-dimension GIS platform construction method based on DirectX Display Techniques, it is characterised in that：Bag
GIS engine layers are included,
Be provided with GIS engine layers data I/O interface module, graph rendering module, task management module, Man Machine Interface and
The interface describing module of basic space metadata,
Data I/O interface module on described GIS engine layers is used for the transmission of data；
Graph rendering module on described GIS engine layers is used to render the topographic map and waters figure that collect；
Task management module on described GIS engine layers carries out unified collection and pipe by the way of object-oriented to data
Reason；
The interface describing module of Man Machine Interface and basic space metadata on described GIS engine layers is used for many spaces
Interpolation is handled,
Two dimensional surface map environment Visualization platform, two dimensional surface map environment Visualization are set up on GIS engine layers basis
Raster data management module, vector data management module and map denotation interactive module are provided with platform,
Raster data management module be used for raster data loading and display, wherein raster data include satellite image data and
DEM altitude datas；
Vector data management module is used for the editor of vector data, including the drafting function of point-line-surface, the setting of Show Styles and
The batch editor and selection function of editting function and a variety of vector space key elements；
Map denotation interactive module is used to carry out the conversion between figure layer projection and figure layer, is sat during image projection to different
The projection of target vector data carries out unitized read and loading.
2. a kind of Hydrodynamic Model two-dimension GIS platform construction based on DirectX Display Techniques according to claim 1
Method, it is characterised in that：Data I/O interface module on the GIS engine layers supports the transmission of multiple format data, including
Shapefile forms, tiff format and Image forms.
3. a kind of Hydrodynamic Model two-dimension GIS platform construction based on DirectX Display Techniques according to claim 1
Method, it is characterised in that：Graph rendering module on the GIS engine layers uses DirectX graphics rendering technologies, while figure
Rendering module supports GPU to accelerate to carry out Fast rendering to figure.
4. a kind of Hydrodynamic Model two-dimension GIS platform construction based on DirectX Display Techniques according to claim 1
Method, it is characterised in that：The data of object-oriented carry out unified collection and pipe in task management module on the GIS engine layers
Reason mode comprises the following steps：
Step S1, finds acquisition target, selects different data objects to be added；
Step S2, according to the data object generation collection calculator collected, gathers calculator by the abstract life of the object collected
Subclass object is specifically generated into parent object, and by the object collected；
Step S3, is preserved to parent object and subclass object, is inherited to parent object and the acquisition function of subclass object；
Step S4, reads the title of each subclass object under parent object, is added in loading combobox；
Step S5, when carrying out object collection, the specific subclass object of content creating in combobox performs corresponding subclass pair
The collection of elephant；
Step S6, the subclass object collected is stored.
5. a kind of Hydrodynamic Model two-dimension GIS platform construction based on DirectX Display Techniques according to claim 1
Method, it is characterised in that：The interface describing module branch of Man Machine Interface and basic space metadata on the GIS engine layers
Many space interpolation functions and method are held, many space interpolation functions include dem data interpolation function and scatterplot interpolation function, many spaces
Interpolation method includes IDW interpolation methods and Kriging interpolation methods.
6. a kind of Hydrodynamic Model two-dimension GIS platform construction based on DirectX Display Techniques according to claim 1
Method, it is characterised in that：In the raster data management module load and show raster data include satellite image data and
Pyramid data loading and display model are set up inside DEM altitude datas, raster data management module, in the inferior division of master data
Go out multiclass detailed data.
7. a kind of Hydrodynamic Model two-dimension GIS platform construction based on DirectX Display Techniques according to claim 1
Method, it is characterised in that：The batch selection function of a variety of vector space key elements includes point again in the vector data management module
Selection, the selection of line, the selection in face, the selecting of frame, the selection of circle and condition selection.
8. a kind of Hydrodynamic Model two-dimension GIS platform construction based on DirectX Display Techniques according to claim 1
Method, it is characterised in that：The map denotation interactive module is projected during image projection to the vector data of different coordinates
Carry out unitized read and loading.
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| US7692649B2 (en) * | 2005-10-04 | 2010-04-06 | Rdv Systems Ltd. | Method and apparatus for virtual reality presentation of civil engineering, land planning and infrastructure |
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