CN107451226B - GIS-based grid system and method for making comprehensive abnormal analysis chart by using same - Google Patents
GIS-based grid system and method for making comprehensive abnormal analysis chart by using same Download PDFInfo
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Abstract
The invention provides a GIS-based grid system, which comprises a plurality of cell objects, a data processing unit, a computing unit and a system establishing unit. The invention also provides a method for making the comprehensive abnormal analysis chart by using the grid system, which comprises the following steps: acquiring a plurality of single element geochemical abnormal maps and geological diagrams; the data processing unit reads data information of the single element geochemical abnormal map and the geological diagram; the calculation unit determines the size of the grid system according to the data information and the size of the page paper; the system establishing unit establishes an initial abnormal profile grid system according to the size of the grid system; filling the single-element geochemical abnormal map and the geological sketch into a cell object in the initial abnormal profile grid system; adjusting the position of the cell object; and processing the single element geochemical abnormal map in the cell object, and drawing a finishing part to obtain a geochemical comprehensive abnormal analysis map. The invention effectively improves the drawing efficiency of the comprehensive abnormal analysis chart.
Description
Technical Field
The invention relates to the technical field of computer graphics, in particular to a GIS-based grid system and a method for making a comprehensive abnormal analysis graph by using the same.
Background
After the geochemical general survey work is finished, necessary chemical exploration drawings and data need to be provided for a task issuing unit, wherein the drawings and the data which need to be handed in comprise: geochemistry map (attached simplified geological mineral map), anomaly map (single element or comprehensive element anomaly map) and chemolithology result report of main synthetic minerals and associated elements. The selection of the handed-up drawings and materials according to the requirements comprises: important abnormal analysis chart and its instruction book; a summary of anomalies and an evaluation of important anomalies; a mining prospect plot and related description; multivariate analysis charts and other explanatory inferential charts and associated instructions; drawings and instructions for the environmental geochemical survey; other figures and materials.
and (3) after the abnormal graphs of the elements contained in the abnormal area and the geological diagrams with the same scale are arranged in a certain sequence one by one, the formed graphs are called as comprehensive abnormal analysis graphs. The comprehensive abnormal analysis graph is also attached with a simple scale, a graph face coordinate scale and a legend of a geological schematic diagram, each element is also required to be drawn with element labels and color levels, the element labels and the color levels can be selectively drawn at the positions of the upper left corner, the lower left corner, the upper right corner or the lower right corner, but the element labels and the color levels are usually drawn at different positions so as not to be mutually covered. The size and position of the element labels and color levels are also adjusted to avoid obscuring important anomalies in the drawings.
The making of the comprehensive abnormal analysis graph usually needs a group of single element abnormal graphs, an abnormal range and a geological sketch, and simultaneously, a graph scale, paper size and margin are defined. Single element anomaly maps and geological schematics typically contain a series of point files, line files, and zone files. The region file of the single element abnormal graph records the attribute of each region, wherein the attribute comprises a field with an equivalent line value and records the value of the equivalent line, namely the color gradation information. The point, line and area files of the geological diagram record the content represented by each symbol, namely the information of the legend.
The conventional profiling process is usually performed by means of GIS (Geographic Information System) software, and includes the following steps: determining an area range to be analyzed according to actual conditions, and drawing a rectangular frame according to the horizontal and vertical directions; cropping the selected multiple single element abnormal graphs and the base graph; arranging the cutting results according to the relative positions; adding color gradation and marking information to the image forming part of each single element abnormal graph; the legend is added to the geological schematic, the legend is copied from the original geological schematic and then the position of the legend is adjusted.
The traditional preparation method has the following defects: drawing inefficiency and easy mistake: in the drawing process, numerical values such as offset, color level position, size and the like of each single element abnormal graph need to be calculated respectively, each link for making the analysis graph needs to be manually drawn by software, and the drawing time is long and errors are easy to occur; the method is not easy to modify after manufacturing: once the graph is formed, the graph is difficult to modify again and needs to be reproduced; the requirement on professional technology is high: a manufacturer of the analysis chart needs to fully understand the manufacturing specification of the analysis chart, and the manufacturing method needs to be trained; lack of a unified extensible system: the drawing requirements of different units have slight differences, and no uniform profile system can meet the drawing requirements of different production units at present.
Disclosure of Invention
In view of this, the invention provides a unified GIS-based grid system capable of improving the drawing efficiency of the comprehensive abnormal analysis chart, and also provides a method for making the comprehensive abnormal analysis chart with simple steps.
The invention provides a GIS (geographic information system) -based grid system, which comprises a plurality of cell objects, a data processing unit, a calculating unit and a system establishing unit, wherein the cell objects are used for filling a single-element geochemical abnormal graph and a geological schematic diagram, the data processing unit is used for reading data information of the single-element geochemical abnormal graph and the geological schematic diagram, the calculating unit is used for calculating the size of the grid system, and the system establishing unit is used for establishing the grid system.
Furthermore, the cell object contains the sizes and the positions of the element labels and the color level labels of the geochemical elements, the sizes and the positions of the color level labels and the color level labels, the positions of the element labels and the positions of the color level labels both comprise directions and offsets, the directions refer to the drawing positions of the element labels and the color level labels relative to the cell object, and the offsets comprise transverse offsets and longitudinal offsets.
Further, the data information of the single-element geochemical anomaly map and the geological schematic comprises the width, the height, the element label and the color level label of the single-element geochemical anomaly map and the geological schematic.
further, the grid system has the size of the number of rows and columns of the filled single-element geochemical anomaly map and the geological schematic.
Further, a legend, a drawing coordinate scale and a scale are displayed in the grid system, the legend is a legend of the geological schematic and is used for explaining contents and indexes represented by various symbols and colors in the geological schematic, the drawing coordinate scale is used for identifying position information of the comprehensive abnormal analysis graph and comprises an abscissa and an ordinate, the drawing coordinate scale is generally drawn above and to the left of a first row and a first column of the grid system, the scale comprises an original drawing scale and a comprehensive abnormal analysis scale, the original drawing scale is an original scale of geochemical elements in a single-element geochemical abnormal diagram, and the comprehensive abnormal analysis scale is a scale in the generated comprehensive abnormal analysis graph.
The invention also provides a method for making a comprehensive abnormal analysis chart by using the GIS-based grid system, which comprises the following steps:
S601, obtaining a plurality of single element geochemical abnormal graphs and geological diagrams;
S602, reading the data information of the single element geochemical abnormal map and the geological diagram by the data processing unit;
S603, determining the size of the grid system by the computing unit according to the data information of the single-element geochemical abnormal map and the geological schematic and the size of the page paper;
S604, a system establishing unit establishes an initial abnormal profile grid system according to the size of the grid system;
s605, filling the single-element geochemical abnormal graph and the geological schematic diagram into a cell object in an initial abnormal analysis graph grid system, and simultaneously storing element labels and color level labels into corresponding cell objects;
S606, adjusting the position of a cell object in the grid system of the initial abnormal profile, and adjusting the position and the size of element labels and the position and the size of color level labels in the cell object;
S607, editing the single element geochemical abnormal picture in the cell object, drawing the finishing part and obtaining the geochemical comprehensive abnormal analysis picture.
Further, in step S603, the calculation unit determines the size of the grid system based on the width and height of the single-element geochemical anomaly map and the geological map and the size of the page paper.
Further, in step S605, at most one single-element geochemical anomaly map or geological map can be filled in each cell object.
further, in step S606, default values of the position and size of the element label and the position and size of the color level label are given according to the industry standard specification.
Further, in step S607, the editing processing manner of the single-element geochemical anomaly map includes cropping, zooming and translating, and the finishing part includes a legend, a drawing coordinate scale and a scale in the grid system.
The technical scheme provided by the invention has the beneficial effects that:
1. The grid system and the method provided by the invention reduce the requirement on the professional technology of a drafter, the traditional manual drawing needs the drafter to be familiar with all the details of the geochemical comprehensive abnormal profile and master the use of a corresponding computer aided drafting tool, and meanwhile, the experience of simplifying the drawing needs to be provided;
2. The grid system and the method provided by the invention effectively improve the drawing efficiency of the geochemical comprehensive abnormal analysis chart, generally, a skilled technician needs about 10 minutes to finish the manufacture of the geochemical comprehensive abnormal analysis chart, and the method and the grid system can finish the manufacture of the geochemical comprehensive abnormal analysis chart within 1 minute;
3. The grid system and the method provided by the invention can expand the corresponding system according to the drawing requirements of different units.
Drawings
fig. 1 is a schematic structural diagram of a GIS-based grid system according to the present invention.
FIG. 2 is a flow chart of a method for creating an integrated anomaly profile according to the present invention.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a grid system based on a GIS, which includes a plurality of cell objects, a data processing unit, a computing unit, and a system establishing unit.
The cell objects are used for filling the single-element geochemical abnormal map and the geological schematic diagram, each cell object comprises the element labels of the geochemical elements and the sizes and the positions of the element labels, the sizes and the positions of the color level labels and the color level labels, the positions of the element labels and the positions of the color level labels both comprise directions and offsets, the directions refer to the drawing positions of the element labels and the color level labels relative to the cell objects, and the offsets comprise transverse offsets and longitudinal offsets.
the data processing unit is used for reading the data information of the single-element geochemical abnormal map and the geological schematic, and the data information comprises the width, the height, the element mark and the color level mark of the single-element geochemical abnormal map and the geological schematic.
The calculation unit is used for calculating the size of the grid system, and the size of the grid system is the row number and the column number of the filled single-element geochemical abnormal map and the geological schematic diagram.
The system establishing unit is used for establishing a grid system, and a display legend, a drawing coordinate scale and a scale are arranged in the established grid system.
The legend is a legend for the geological schematic to illustrate the content and indices represented by the various symbols and colors in the geological schematic.
the graph coordinate scale is used for identifying the position information of the comprehensive abnormal analysis graph, comprises a horizontal coordinate and a vertical coordinate, is generally drawn above and on the left of a first row and a first column of a grid system, and is in a unit of meter or kilometer according to industry standard specifications.
The scale comprises an original map scale and a comprehensive abnormal analysis map scale, wherein the original map scale is an original scale of geochemical elements in the single-element geochemical abnormal map, and the comprehensive abnormal analysis map scale is a scale in the generated comprehensive abnormal analysis map.
Referring to fig. 2, an embodiment of the present invention further provides a method for making an integrated anomaly analysis graph by using the above GIS-based grid system, where the method includes the following steps:
s601, obtaining a plurality of single element geochemical abnormal maps and geological diagrams.
and S602, reading the data information of the single-element geochemical abnormal map and the geological diagram by the data processing unit.
S603, the calculation unit determines the size of the grid system according to the single-element geochemical abnormal map, the width and the height of the geological schematic and the size of the page paper.
S604, the system establishing unit establishes the grid system of the initial abnormal profiling graph according to the size of the grid system.
S605, filling the single-element geochemical abnormal graph and the geological sketch into a cell object in the initial abnormal analysis graph grid system, and simultaneously storing element labels and color level labels into corresponding cell objects; at most one single element geochemical anomaly map or geological map can be filled in each cell object.
s606, adjusting the position of the cell object in the initial abnormal profile grid system, and adjusting the position and the size of the element label and the position and the size of the color level label in the cell object, wherein the position and the size of the element label and the position and the size of the color level label need to give default values according to industry standard specifications.
S607, editing and processing the unit element geochemical abnormal graph in the cell object by cutting, zooming and translating, drawing a finishing part, wherein the finishing part comprises a legend, a drawing surface coordinate scale and a scale in a grid system, and then obtaining a geochemical comprehensive abnormal analysis graph.
The grid system and the method provided by the invention reduce the requirement on the professional technology of a drafter, the traditional manual drawing needs the drafter to be familiar with all the details of the geochemical comprehensive abnormal profile and master the use of a corresponding computer aided drafting tool, and meanwhile, the experience of simplifying the drawing needs to be provided; the grid system and the method provided by the invention effectively improve the drawing efficiency of the geochemical comprehensive abnormal analysis chart, generally, a skilled technician needs about 10 minutes to finish the manufacture of the geochemical comprehensive abnormal analysis chart, and the method and the grid system can finish the manufacture of the geochemical comprehensive abnormal analysis chart within 1 minute; the grid system and the method provided by the invention can expand the corresponding system according to the drawing requirements of different units.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A method for making a comprehensive anomaly analysis chart by a grid system based on a GIS is characterized in that the grid system based on the GIS comprises a plurality of cell objects, a data processing unit, a calculating unit and a system establishing unit, wherein the cell objects are used for filling a single-element geochemical anomaly chart and a geological schematic diagram, the data processing unit is used for reading data information of the single-element geochemical anomaly chart and the geological schematic diagram, the calculating unit is used for calculating the size of the grid system, and the system establishing unit is used for establishing the grid system;
the method for making the comprehensive abnormal analysis chart by utilizing the grid system of the GIS comprises the following steps:
S601, obtaining a plurality of single element geochemical abnormal graphs and geological diagrams;
S602, reading the data information of the single element geochemical abnormal map and the geological diagram by the data processing unit;
s603, determining the size of the grid system by the computing unit according to the data information of the single-element geochemical abnormal map and the geological schematic and the size of the page paper;
s604, a system establishing unit establishes an initial abnormal profile grid system according to the size of the grid system;
S605, filling the single-element geochemical abnormal graph and the geological schematic diagram into a cell object in an initial abnormal analysis graph grid system, and simultaneously storing element labels and color level labels into corresponding cell objects;
S606, adjusting the position of a cell object in the grid system of the initial abnormal profile, and adjusting the position and the size of element labels and the position and the size of color level labels in the cell object;
S607, editing the single element geochemical abnormal picture in the cell object, drawing a finishing part and obtaining a geochemical comprehensive abnormal analysis picture;
The cell object comprises element marks of geochemical elements, the sizes and the positions of the element marks, and the sizes and the positions of the color level marks, wherein the positions of the element marks and the positions of the color level marks comprise directions and offsets, the directions refer to the drawing positions of the element marks and the color level marks relative to the cell object, and the offsets comprise transverse offsets and longitudinal offsets; the data information of the single-element geochemical abnormal map and the geological schematic comprises the width, the height, the element mark and the color level mark of the single-element geochemical abnormal map and the geological schematic; the grid system is in the size of the row number and the column number of the filled single-element geochemical abnormal map and the geological schematic; the method comprises the steps that a legend, a graph coordinate scale and a scale are displayed in a grid system, the legend is of a geological schematic diagram and used for explaining content and indexes represented by various symbols and colors in the geological schematic diagram, the graph coordinate scale is used for identifying position information of a comprehensive abnormal analysis graph and comprises an abscissa and an ordinate, the graph coordinate scale is drawn above and on the left of a first row and a first column of the grid system, the scale comprises an original graph scale and a comprehensive abnormal analysis graph scale, the original graph scale is an original scale of geochemical elements in a single-element geochemical abnormal analysis graph, and the comprehensive abnormal analysis graph scale is a scale in the generated comprehensive abnormal analysis graph.
2. The method for making an integrated anomaly profile according to claim 1, wherein in step S603, the calculation unit determines the size of the grid system based on the width, height and page paper size of the single element geochemical anomaly map and the geological map.
3. the method for making an integrated anomaly profile of claim 1, wherein in step S605, at most one single-element geochemical anomaly map or geological map can be filled in each cell object.
4. The method for making an integrated anomaly profile of claim 1, wherein in step S606, the position and size of the element labels and the position and size of the color level labels are default values according to industry standard specifications.
5. the method for making an integrated anomaly profile of claim 1, wherein in step S607, the editing of the single-element geochemical anomaly map includes cropping, scaling and translation, and the finishing part includes a legend, a plane coordinate scale and a scale in a grid system.
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| CN103995944B (en) * | 2014-06-10 | 2016-11-09 | 中国地质大学（武汉） | A kind of free air anomaly extreme value unbiased isopleth map method for drafting |
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