CN110648377A - Design and filling method of lithologic character symbol of histogram - Google Patents
Design and filling method of lithologic character symbol of histogram Download PDFInfo
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- CN110648377A CN110648377A CN201910834326.7A CN201910834326A CN110648377A CN 110648377 A CN110648377 A CN 110648377A CN 201910834326 A CN201910834326 A CN 201910834326A CN 110648377 A CN110648377 A CN 110648377A
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- lithology
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000013461 design Methods 0.000 title claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 230000010076 replication Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000013507 mapping Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/40—Filling a planar surface by adding surface attributes, e.g. colour or texture
Abstract
The invention discloses a design and filling method of a lithology symbol of a histogram, which comprises the following steps: designing a lithologic symbol adding unit and establishing a symbol library; blocking the histogram and giving lithologic name attributes to the histogram; and performing attribute field matching in the symbol library, and calling symbol units to fill the histogram. The method has the following advantages: 1. the operation is simple and convenient; 2. the symbols can be designed and added according to the working requirements; 3. drawing according to a standard, and standardizing and unifying; 4. symbols are automatically filled, so that the drawing efficiency is improved; 5. the symbol library file with a specific format can be formed, and the storage, sharing and use are convenient. The method is suitable for drawing the histogram in the geological map, can realize automatic filling of lithology symbols, and greatly improves the drawing efficiency.
Description
Technical Field
The invention belongs to the field of geological map drawing, and particularly relates to a design and filling method of a lithologic symbol of a histogram.
Background
In the prior copper mine geological survey of China, the lithology symbols of the drilling hole in the chart such as the book, the comprehensive histogram, the section diagram and the like are manually drawn, and the method has more defects:
(1) manual drawing involves many artificial factors and cannot be drawn in order.
(2) The drawing process is complicated, and the repetitive work is more.
(3) Requiring a lot of time and labor and having low efficiency.
(4) The correction is not easy when the mistake occurs, and the neatness and the attractiveness of the drawing can be influenced by the correction.
In order to promote informatization of copper mine geological exploration work, a digital copper mine exploration system is established, the requirement of electronization of copper mine geological mapping is met, paperless and automatic mapping is achieved, mapping efficiency is improved, and the work is started.
Disclosure of Invention
The invention aims to provide a design and filling method of a lithological symbol of a columnar diagram, which can automatically design and add symbol units according to the working requirements of a user, automatically call and fill the lithological symbol during drawing, greatly reduce the labor intensity, improve the drawing efficiency of a copper mine geological map, and has the advantages of simple and rapid operation and easy modification and storage of an output electronic map.
The technical scheme of the invention is as follows: a design and filling method of a lithology symbol of a histogram comprises the following steps:
and 8, performing array copying according to the calculated row and column numbers, and when the filled symbol units exceed the boundary of the rectangular block, truncating and removing the exceeding parts according to the boundary to finish filling and drawing of the histogram.
The size standard of the symbol unit in the step 1 can be set by self.
The legend referred in the step 2 is specified as 'regional geological map legend GB/T958-2015', and common symbol units can be customized according to self requirements.
In the step 3, the symbolic units are endowed with lithologic name attributes to form a symbolic library file with a specific format, the symbolic library is open to all users, other computers can share the symbolic library for use, meanwhile, the symbolic library can be enriched and improved, and new symbolic units are added into the symbolic library.
In the step 4, the histogram is divided into blocks, and the boundaries of the rectangular blocks are determined by the lithologic boundary and the size fraction width.
And in the step 5, a lithology name attribute and a geometric information attribute of the rectangular block are given according to the layered lithology and the boundary position.
And 6, establishing the corresponding relation between the rectangular blocks in the histogram and the symbol units in the symbol library through attribute field matching.
In step 7, the symbol size includes the width and height of the cell, the geometric information of the rectangular block includes the starting and ending depth and the grain size width of the block, the size of the rectangular block can be kept unchanged, and the symbol cell is scaled by setting the filling ratio.
In the step 8, the row spacing of the array copying is symbol height, the column spacing is symbol width, the origin point is the upper left corner of the rectangular block, and the array copying and truncation removal of the symbol units are automatically executed by a computer.
The invention has the beneficial effects that: 1. the operation is simple and convenient; 2. the symbols can be designed and added according to the working requirements; 3. drawing according to a standard, and standardizing and unifying; 4. symbols are automatically filled, so that the drawing efficiency is improved; 5. the symbol library file with a specific format can be formed, and the storage, sharing and use are convenient. The method is suitable for drawing the histogram in the geological map, can realize automatic filling of lithology symbols, and greatly improves the drawing efficiency.
Drawings
FIG. 1 is a flow of design and filling of a histogram lithology symbol;
lithology symbols of the design of FIG. 2;
FIG. 3 automatically fills in the rendered histogram within the map.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
A method for designing and filling a lithology symbol of a histogram, the method comprising the steps of (fig. 1):
and 7, calling corresponding symbols from the symbol library as basic pixel units after the pairing is successful, and calculating the number of rows and columns of array replication according to the symbol size and the geometric information of the rectangular block, wherein the specific calculation method comprises the following steps:
A＝[(H2-H1)*1000*k/(h*p)]+1
B＝[W/(w*p)]+1
where the data in [ ] is an integer number.
A, the number of copied rows of the array; h1 lithologic deepening; h2 lithologic depth stop; k, a histogram scale; h is high; p fill ratio; b number of columns of array replication; the width corresponding to the W size fraction; w is wide.
And 8, performing array copying according to the calculated row and column numbers, taking the symbol height as the row spacing of the array copying, taking the symbol width as the column spacing of the array copying, taking the upper left corner of the rectangular block as an origin, and when the filled symbol unit exceeds the boundary of the rectangular block, truncating and removing the exceeding part according to the boundary to finish filling and drawing the histogram (figure 3).
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the examples described above, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The present invention may be practiced without these particulars.
Claims (10)
1. A design and filling method of a lithology symbol of a histogram is characterized in that: the method comprises the following steps:
step 1, determining the size standard of a symbol unit by taking millimeters as a unit, and drawing a square grid with a corresponding size as a limiting frame of the symbol unit;
step 2, designing lithology symbols in the customized grids by using point, line and surface combinations according to the legend specification to form single symbol units;
step 3, naming the symbol units by the lithological names, giving corresponding lithological name attributes to the symbol units, and gathering the symbol units with the attributes to form a specific symbol library;
step 4, blocking the histogram, and dividing the histogram into independent rectangular blocks by using the starting and stopping depths of different lithologies according to the layered data of geological records;
step 5, endowing corresponding lithology name attributes of each rectangular block according to the layered lithology, and endowing corresponding geometric information attributes of the rectangular blocks according to the upper, lower, left and right boundary positions;
step 6, when drawing the histogram, performing field matching on the lithologic name attribute of each rectangular block in the histogram and the lithologic name attribute of each symbol unit in the symbol library;
step 7, calling corresponding symbols from the symbol library as basic pixel units after the pairing is successful, and calculating the number of rows and columns of array replication according to the size of the symbols and the geometric information of the rectangular blocks;
and 8, performing array copying according to the calculated row and column numbers, and when the filled symbol units exceed the boundary of the rectangular block, truncating and removing the exceeding parts according to the boundary to finish filling and drawing of the histogram.
2. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: the size standard of the symbol unit in the step 1 can be set by self.
3. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: the legend referred in the step 2 is specified as 'regional geological map legend GB/T958-2015', and common symbol units can be customized according to self requirements.
4. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: in the step 3, the symbolic units are endowed with lithologic name attributes to form a symbolic library file with a specific format, the symbolic library is open to all users, other computers can share the symbolic library for use, meanwhile, the symbolic library can be enriched and improved, and new symbolic units are added into the symbolic library.
5. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: in the step 4, the histogram is divided into blocks, and the boundaries of the rectangular blocks are determined by the lithologic boundary and the size fraction width.
6. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: and in the step 5, a lithology name attribute and a geometric information attribute of the rectangular block are given according to the layered lithology and the boundary position.
7. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: and 6, establishing the corresponding relation between the rectangular blocks in the histogram and the symbol units in the symbol library through attribute field matching.
8. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: in step 7, the symbol size includes the width and height of the cell, the geometric information of the rectangular block includes the starting and ending depth and the grain size width of the block, the size of the rectangular block can be kept unchanged, and the symbol cell is scaled by setting the filling ratio.
9. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: in step 8, the row spacing of the array replication is symbol height, and the column spacing is symbol width.
10. The method of designing and populating a columnar chart lithology symbol as recited in claim 1, wherein: in the step 8, the original point is the upper left corner of the rectangular block, and the array copying and truncation removing of the symbol units are automatically executed by a computer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113128027A (en) * | 2021-03-23 | 2021-07-16 | 北京龙软科技股份有限公司 | Method and device for quickly generating small columnar coal seam |
| CN115147518A (en) * | 2022-09-01 | 2022-10-04 | 中国科学院地理科学与资源研究所 | Sedimentary rock lithology symbol generation method and device |
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2019
- 2019-09-05 CN CN201910834326.7A patent/CN110648377A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113128027A (en) * | 2021-03-23 | 2021-07-16 | 北京龙软科技股份有限公司 | Method and device for quickly generating small columnar coal seam |
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| CN115147518A (en) * | 2022-09-01 | 2022-10-04 | 中国科学院地理科学与资源研究所 | Sedimentary rock lithology symbol generation method and device |
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Application publication date: 20200103 |