Export from QGis to CAD » History » Version 18
Giulio Di Anastasio, 06/05/2021 17:01
| 1 | 1 | Giulio Di Anastasio | h1. Export from QGis to CAD |
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| 3 | 1 | Giulio Di Anastasio | An algorithm has been created by Selvarani, to see the whole process click here: |
| 4 | 1 | Giulio Di Anastasio | https://redmine.auroville.org.in/projects/gis/wiki/Automatic_export_from_QGis_to_dxf |
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| 6 | 2 | Giulio Di Anastasio | h1. QGis Graphical Modeler: An algorithm to automatically export data directly from Gisaf to .dxf format (CAD) |
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| 8 | 4 | Giulio Di Anastasio | > * Login to PostGIS |
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| 10 | 4 | Giulio Di Anastasio | > * Directly from the Gisaf server, load all the layers which need to be converted into .dxf format |
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| 12 | 4 | Giulio Di Anastasio | > * Go to Processing Menu, click on “Graphical Modeler” (or Ctrl+Alt+G) |
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| 15 | 7 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10620/Graphical%20Modeler%20Menu.png! |
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| 19 | 5 | Giulio Di Anastasio | > * The “Model Designer” window will open: |
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| 21 | 10 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10621/Graphical%20Modeler%20Window.png! |
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| 23 | 9 | Giulio Di Anastasio | The final model will look like this: |
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| 25 | 10 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10622/Final%20Model%20Image.png! |
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| 28 | 11 | Giulio Di Anastasio | *Below, the explanation on how the algorithm has been created.* |
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| 30 | 13 | Giulio Di Anastasio | > * An input to the algorithm is needed: go to “Inputs” tab and double click on “Vector Layer” |
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| 33 | 13 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10623/Inputs.png! |
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| 35 | 14 | Giulio Di Anastasio | The window “Input Vector layer Parameter Definition” will open: |
| 36 | 14 | Giulio Di Anastasio | > * in “Description”, enter “Input Vector layer” |
| 37 | 14 | Giulio Di Anastasio | > * in “Geometry type” select “Any Geometry Type” |
| 38 | 14 | Giulio Di Anastasio | > * Click “Ok” |
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| 40 | 14 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10624/Inputs%20Window.png! |
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| 42 | 15 | Giulio Di Anastasio | Input is created as above. |
| 43 | 15 | Giulio Di Anastasio | As a second step, features need to be filtered, because some layers have different “Status” (E, D, F, etc. as defined in CSR Geomatics CAD Layer Naming Standards): |
| 44 | 15 | Giulio Di Anastasio | > * in the Algorithms panel, type “filter” in the Search Box: this way, all existing algorithms related to “filter” will be listed |
| 45 | 15 | Giulio Di Anastasio | > * double click on “Feature filter” |
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| 47 | 15 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10625/Feature%20Filter.png! |
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| 50 | 16 | Giulio Di Anastasio | “Feature filter” window will open: |
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| 52 | 16 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10626/Feature%20Filter%20Window.png! |
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| 54 | 16 | Giulio Di Anastasio | > * Click on ‘Add output filter’ icon |
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| 56 | 16 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10627/Add%20Output%20Filter.png! |
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| 58 | 16 | Giulio Di Anastasio | > * Click on expression button !https://redmine.auroville.org.in/attachments/download/10628/Expression%20Button.png! to write an expression for the filter. |
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| 60 | 16 | Giulio Di Anastasio | > * The Expression dialog will open, type the criteria for defining the filter, e.g. “STATUS”=’E’ |
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| 62 | 16 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10629/Status%20E%20Expression.png! |
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| 64 | 17 | Giulio Di Anastasio | > * Click “Ok”: the expression is added in the table of “Outputs and filters” as below. |
| 65 | 17 | Giulio Di Anastasio | > * In the field “Output Name”, type in the output as ‘E’. |
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| 67 | 17 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10630/Output%20Name.png! |
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| 69 | 18 | Giulio Di Anastasio | > * Repeat the same steps for all other status (Like D,F,N,T,M and X) |
| 70 | 18 | Giulio Di Anastasio | > * Click on the “Input layer” button and select “Model Input” in the drop-down list, it will change to “Input Vector layer”. Click on “Ok” |
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| 72 | 18 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10631/All%20Filters%20Ready.png! |
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| 76 | 18 | Giulio Di Anastasio | --- |
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| 78 | 18 | Giulio Di Anastasio | p=. !https://redmine.auroville.org.in/attachments/download/10632/Input%20Layer%20for%20Filters.png! |