QMap - 3D display

Taking the color value of the plane image as the relative height in the three-dimensional view, rotating the vertical Y axis by a certain angle, adjusting the corresponding parameters, and simulating the three-dimensional display, the simulation effect can be achieved. A lot of useful information should not be found on the plane map, but it is clearly visible in the three-dimensional map, which is a good method for visual judgment.

Now according to the software function interface, the introduction is as follows:

1. Select image
    Right-click on the image, select the image, and the image name is displayed in the edit box.

2. Pad selection
    On the three-dimensional display image, a certain pad is left around to draw a three-dimensional image, which can achieve a better three-dimensional effect. By default, the Top pad is 10 and the rest are 5.

3. Channel selection
    By default, the red, green and blue channels are all involved in the calculation. When the channel is masked, the data is set to 0;

4. Y-axis right rotation angle
    By changing this angle, the viewing angle of the three-dimensional view can be changed. The default is 70 degrees.

5. Y-axis shortening ratio
    Adjusting this scale makes the view more reasonable. Defaults to 1.2.

6. Info high maximum
    When displaying pixel colors proportionally, the display maximum height of the maximum pixel color value is limited, and other colors are displayed proportionally. The default value is 30.

7. Information column display
    By default, the color of each pixel is displayed at a different height. When selecting "Info column display", the color height is replaced with the column color to achieve different display effects.

8. Information monochrome
    When "Info monochrome" is selected to display, various colors in the image are replaced with one color, but the displayed height value changes with the size of the color value. Click the color selection button to change different replacement colors.

9. Bump inversion selection
    When "Info monochrome" is displayed, the height of the color of each pixel is proportional to the size of the color value. If "Bump inversion" is selected, the height of the color of each pixel is inversely proportional to the size of the color value. By default, Bump Invert is not selected.

10. Click the "Transform" button to start processing and display

11. Save and Load plan
    Click the "Save plan" button to save the parameters in this unit to a file, and restore the processing parameters through "Load plan" when necessary.








Comments

Post a Comment

Popular posts from this blog

QMap - Resize

Image
 Image resizing is the overall scaling of an image to suit different applications. Now according to the software function interface, the introduction is as follows: 1.  Select image      Right-click on the image to select the image. At the same time, the original size (width and height) of the image is rendered in the edit box. 2. Bound ratio      By default, select " Bound ratio ", modify the width of the edit box, the corresponding height will be changed according to the aspect ratio of the original image, and vice versa. The image can also be changed out of proportion, resulting in distortion. 3.  Process     Click the " Process " button to process. To restore the original image, click the " Restore " button (Ctrl+Z) on the toolbar. Back to www.ccqmap.com
Read more

QMap - Geodetic Control Point (GCP) Geometric fine correction

Image
The purpose of geometric correction is to map an image without geodetic coordinates to a given coordinate system. Through mapping transformation, it can eliminate the deviation of image geometric position caused by various factors, such as extrusion, stretching, distortion and offset, etc. It is especially suitable for remote sensing images and stitching of various super large images. Through geometric correction, precise positioning images of various geographic information can be established, which makes the analysis of historical changes with time as the axis very convenient. Now according to the software function interface, the introduction is as follows: 1. Load control point file     Click the "Load" button to load the selected geodetic control points with features. The control points to be selected are listed in the list box at the top of the dialog. 2. Match Control Points      Click an item in the list box at the top, and the details are listed in the ed...
Read more

QMap - Change User

Image
After starting the software, if you want to change the user, you can start the " Change User " dialog box to change the user without reinstalling the software. Now according to the software function interface, the introduction is as follows: 1.  Start  Change User     Click the " Change User " button on the toolbar, or the " Change User " entry under " Help " in the main menu to open the dialog box. 2.  Enter Username and Password     Enter the username and password in the " Username " and " Password " edit boxes, respectively. This username and password are the same as the username and password to access our website. Enter the same version of the authorization code in the " Authorization code " edit box. Click the "OK" button to complete the change user operation. Back to www.ccqmap.com
Read more