Illustrating elevations associated with a mine worksite

• US 10,198,534 B2
• Filed: 03/19/2015
• Issued: 02/05/2019
• Est. Priority Date: 05/30/2014
• Status: Active Grant

• Current Assignee: Caterpillar Of Australia Pty. Ltd. (Caterpillar Incorporated)
• Original Assignee: Caterpillar Of Australia Pty. Ltd. (Caterpillar Incorporated)
• Inventors: Blanchard, Glen Peter
• Primary Examiner(s): Louis, Andre Pierre
• Application Number:
  US14/662,632
• Publication Number:
  US 20150347637A1
• Time in Patent Office: 1,419 Days
• Field of Search: 703 1
• CPC Class Codes: G06F 30/13 Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads

Abstract

Disclosed herein is a method and computing system for illustrating elevations in an image corresponding to an area of interest that is at least a portion of a mine worksite. The method includes determining, by a selection, a first dataset that includes a plurality of elevation values defining an elevation topography for a first area of interest. The method further includes, for each of the at least a portion of the elevation values in the first dataset, determining a corresponding color for illustrating the elevation value according to a scale of colors. The scale spans a defined range of altitudes. Each color in the scale is definable by a hue; and at least one parameter for influencing at least one of a lightness and a darkness of the color. The color scale is defined to progress through a spectrum of hues across the defined range of altitudes. The method also includes generating a first image portraying at least a 3-dimensional, non-plan view of the elevation topography for the first area of interest, illustrating the at least a portion of the elevation values of the first dataset in the corresponding determined colors.

Claims

1. A computer implemented method of illustrating elevations in an image corresponding to an area of interest, the area of interest being at least a portion of a mine worksite, the image being generated from data that includes a plurality of elevation values defining an elevation topography for the area of interest, the image portraying the elevation topography and illustrating at least a portion of the elevation values according to a scale of colours, the scale spanning a defined range of altitudes, each colour in the scale being definable by:

a hue; and

at least one parameter for influencing at least one of a lightness and a darkness of the colour,

wherein the scale of colours is defined to progress through a spectrum of hues across the defined range of altitudes, wherein the at least one parameter changes to lighten and darken the colour in a cyclical manner across the defined range of altitudes,

the method including the following steps;

determining, by a selection, a first dataset of said data, wherein the plurality of elevation values of the first dataset define an elevation topography for a first area of interest;

for each of the at least a portion of the elevation values in the first dataset, determining a corresponding colour for illustrating the elevation value according to the scale of colours;

generating with a computer a first image portraying at least a 3-dimensional, nonplan view of the elevation topography for the first area of interest, illustrating the at least a portion of the elevation values of the first dataset in the corresponding determined colours;

generating model data with the computer, based on the determined first dataset, defining a 3-dimensional model for illustrating on a computer display, in the first image, a 3-dimensional view of the model, portraying on the computer display divergence between an elevation map of a surface of the mine worksite for at least part of the first area of interest and the reference elevation topography by illustrating the elevation map overlayed onto the reference elevation topography; and

wherein said portion of the elevation values includes reference data representing an intended elevation topography for said at least part of the first area of interest,

wherein said portion of the elevation values further includes recorded data representing the elevation map of the surface of the mine worksite for said at least part of the first area of interest, the elevation map being based on measured data for the surface, and

generating second model data with the computer, based on a determined second dataset, wherein a second plurality of elevation values of the second dataset respectively correspond to the plurality of elevation values of the first dataset and define an updated elevation topography for the first area of interest,

defining a second 3-dimensional model for illustrating on the computer display, in a second image, at least a second 3-dimensional, non-plan view of the updated elevation topography for the first area of interest, and

portraying on the computer display divergence, if any, between an updated elevation map and the reference elevation topography by illustrating the updated elevation map overlayed onto the reference elevation topography,

moving earth materials at the mine worksite, by a mine operator using an earth-moving machine, by cutting away parts of the worksite that are above an intended elevation and filling areas of the worksite below an intended elevation in order to meet specification tolerances based on the portrayed divergences.

2. The method according to claim 1, wherein the determined first dataset includes elevation values correspond to:

reference data, wherein the reference data represents the reference elevation topography for the first area of interest.

3. The method according to claim 2, wherein the method includes modifying at least some of the determined colours of the elevation values corresponding to the reference elevation topography to appear semi-transparent, with the elevation map being visible through the reference elevation topography.

4. The method according to claim 3, wherein the method further includes modifying the determined colours of at least some of the elevation values to generate a rendering of the first image with respect to a notional light source and to depict a rough surface texture.

5. The method according to claim 4, wherein the method includes defining said defined range of altitudes to span between a maximum and a minimum altitude in the mine worksite.

6. A method according to claim 5, wherein the method includes the following steps:

determining, by a selection, a third dataset of said data, wherein the plurality of elevation values of the third dataset define an elevation topography for a second area of interest, wherein the first and second areas of interest correspond to different parts of the mine worksite;

for each of the at least a portion of the elevation values in the third dataset, determining a corresponding colour for illustrating the elevation value according to the scale of colours; and

generating a third image portraying at least a third 3-dimensional, non-plan view of the elevation topography for the second area of interest, illustrating the at least a portion of the elevation values of the third dataset in the corresponding determined colours.

7. The method according to claim 6, wherein the elevation values in the first and third datasets span different respective ranges in altitude so that the first and third images are distinguished, by colour, according to altitude.

8. The method according to claim 7,

wherein the changing of the at least one parameter includes repeated increases and decreases of a brightness parameter in a Hue, Saturation, Brightness (HSB) colour model, and

wherein the brightness parameter cyclically increases and decreases between first peaks and first troughs spaced across the range of altitudes.

9. The method accordingly to claim 8, wherein a saturation parameter in the HSB colour model cyclically increases and decreases between second peaks and second troughs spaced across the range of altitudes.

10. The method accordingly to claim 9, wherein for at least a portion of the defined range of altitudes that includes a plurality of said first peaks, the brightness parameter increases and decreases according to a cycle lasting a first period, and the saturation parameter increases and decreases according to a second cycle lasting period that is half the first period.

11. The method according to claim 10, wherein the scale of colours is defined to progress through all hues defined in a HSB colour model.

12. The method according to claim 11,

wherein the scale of colours includes a plurality of peaks in colour lightness, and

wherein the peaks in colour lightness correspond to colours that are visually distinguishable from one another.

13. The method according to claim 12, wherein the first image includes a legend showing the scale of colours mapped to defined range of altitudes.

14. A computing system for illustrating elevations in an image corresponding to an area of interest, the area of interest being at least a portion of a mine worksite, the image being generated from data that includes a plurality of elevation values defining an elevation topography for the area of interest, the image portraying the elevation topography and illustrating at least a portion of the elevation values according to a scale of colours, the scale spanning a defined range of altitudes, each colour in the scale being definable by:

a hue; and

at least one parameter for influencing at least one of a lightness and a darkness of the colour,

wherein the scale of colours is defined to progress through a spectrum of hues across the defined range of altitudes, wherein the at least one parameter changes to lighten and darken the colour in a cyclical manner across the defined range of altitudes,

wherein the computing system comprises;

a display device;

a memory system for storing computer executable instructions;

a processing system configured to read the computer executable instructions from the memory system, wherein upon executing the computer executable instructions, the processing system is configured to perform the following steps;

determine, by a selection, a first dataset of said data, wherein the plurality of elevation values of the first dataset define an elevation topography for a first area of interest;

for each of the at least a portion of the elevation values in the first dataset, determine a corresponding colour for illustrating the elevation value according to the colour scale;

generate, on the display device, a first image portraying at least a 3-dimensional, non-plan view of the elevation topography for the first area of interest, illustrating the at least a portion of the elevation values of the first dataset in the corresponding determined colours, and

generate model data, based on the determined first dataset, that defines a 3-dimensional model for illustrating on the display device, in the first image, a 3-dimensional view of the model, portraying divergence between the elevation map and the reference elevation topography by illustrating the elevation map overlayed onto the reference elevation topography,

wherein after the model data is generated and the divergence between the elevation map and the reference elevation topography is portrayed,

and

move by a mine operator using an earth-moving machine earth materials at the mine worksite, based on the portrayed divergence between the elevation map and the reference elevation topography by cutting away parts of the worksite that are above an intended elevation and filling areas of the worksite below an intended elevation in order to meet specification tolerances.

15. The computing system according to claim 14, wherein upon executing the computer executable instructions, the processing system is further configured to perform the following steps, after said generating the first image:

determining, by a selection, a second dataset of said data, wherein the plurality of elevation values of the second dataset define an elevation topography for a second area of interest, wherein the first and second areas of interest correspond to different parts of the mine worksite;

for each of the at least a portion of the elevation values in the second dataset, determining a corresponding colour for illustrating the elevation value according to the colour scale; and

generating a second image portraying at least a 3-dimensional, non-plan view of the elevation topography for the second area of interest, illustrating the at least a portion of the elevation values of the second dataset in the corresponding determined colours.

16. The computing system according to claim 15,

wherein the memory system includes a database that stores the first and second datasets in different files, and

wherein the processing system includes:

a user terminal, wherein the user terminal is configured to enable a user to control said selection that determines the first dataset and said selection that determines the second dataset; and

an application server configured to receive the selection and, according to the selection, to send the determined one of the first and second datasets to the user terminal to generate the image.

17. The computing system according to claim 16, wherein the determined first dataset includes elevation values corresponding to:

recorded data, wherein the recorded data represents an elevation map of a surface of the mine worksite for the first area of interest, the elevation map being based on measured data for the surface; and

reference data, wherein the reference data represents a reference elevation topography for the first area of interest.

18. A computer implemented method of illustrating elevations in an image corresponding to an area of interest, the area of interest being at least a portion of a mine worksite, the image being generated from a dataset that includes a plurality of elevation values defining an elevation topography for the area of interest, the image portraying the elevation topography and illustrating at least a portion of the elevation values according to a scale of colours, the scale spanning a defined range of altitudes, each colour in the scale being definable by:

a hue; and

at least one parameter for influencing at least one of a lightness and a darkness of the colour,

wherein the scale of colours is defined to progress through a spectrum of hues across the defined range of altitudes, wherein the at least one parameter changes to lighten and darken the colour in a cyclical manner across the defined range of altitudes,

the method including the following steps;

determining the dataset;

for each of the at least a portion of the elevation values in the dataset, determining a corresponding colour for illustrating the elevation value according to the scale of colours; and

generating with a computer an image portraying at least a 3-dimensional, non-plan view of the elevation topography for the area of interest, illustrating the at least a portion of the elevation values of the dataset in the corresponding determined colours;

wherein the determined dataset includes elevation values corresponding to;

recorded data, wherein the recorded data represents an elevation map of a surface of the mine worksite for the area of interest, the elevation map being based on measured data for the surface; and

reference data, wherein the reference data represents a reference elevation topography for the area of interest; and

the method includes generating model data, based on the determined dataset, defining a 3-dimensional model for illustrating on a computer display, in the image, a 3-dimensional view of the model, portraying divergence between the elevation map and the reference elevation topography by illustrating the elevation map overlayed onto the reference elevation topography, wherein the elevation map and reference elevation topography are displayed with different respective surface textures,

wherein after the model data is generated and the divergence between the elevation map and the reference elevation topography is portrayed,

and

move by a mine operator using an earth-moving machine earth materials at the mine worksite, based on the portrayed divergence between the elevation map and the reference elevation topography by cutting away parts of the worksite that are above an intended elevation and filling areas of the worksite below an intended elevation in order to meet specification tolerances.