Image Workbench: Difference between revisions

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== Introduction == <!--T:13-->


== Introduction ==
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The [[Image Workbench]] manages different types of [[bitmap]] images, and allows you to open them in FreeCAD.
The [[Image Workbench]] manages different types of [[bitmap]] images, and allows you to open them in FreeCAD.


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Currently, the module supports opening BMP, JPG, PNG, and XPM file formats.
Currently, the module supports opening BMP, JPG, PNG, and XPM file formats.


== Tools ==
== Tools == <!--T:14-->


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[[File:Image_Import.png|32px]] [[Image_Import|Image Import]]: import an image on a plane in the 3D view.
* [[Image:Image-import.svg|32px]] [[Image_Open|Open]]: open an image on a new viewport.
* [[Image:Image-import-to-plane.svg|32px]] [[Image_CreateImagePlane|Import to plane]]: import an image to a plane in the 3D view.
* [[Image:Image-scale.svg|32px]] [[Image_Scaling|Scaling]]: scale an image imported to a plane.


== Features == <!--T:11-->
== Features == <!--T:11-->


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* The imported image can be attached like a [[Sketcher Workbench|Sketch]] to one of the main planes XY, XZ, or YZ, with a positive or negative offset.
* Like a [[Sketcher Workbench|Sketch]], an imported image can be attached to one of the main planes XY, XZ, or YZ, and given a positive or negative offset.
* The image is imported with relation of 1 pixel to 1 millimeter.
* A major use of this tool is tracing over the image, in order to produce a contour that can be used to generate a new part.
* The image is imported with relation of 1 pixel equals to 1 millimeter.
* The recommendation is to have the imported image at a reasonable resolution.
* The recommendation is to have the imported image at a reasonable resolution.
* The image can be scaled by editing the "XSize" and "YSize" values in the [[Property editor|Property editor]].
* The image can be moved in the 3D view by editing the {{PropertyData|Placement}} in the [[Property editor|Property editor]].
* The image can be rotated around any axis by using the [[Property editor|Property editor]].


== Workflow ==
== Workflow == <!--T:7-->
A major use of this workbench is tracing over the image, with the [[Draft Workbench|Draft]] or [[Sketcher Workbench|Sketcher]] tools, in order to generate a solid body based on the contours of the image.
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Tracing with sketcher elements over an image works best if the image has a small (negative) offset to the sketch plane.


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You can set an offset of -0,1 mm at import or later by editing the placement of the image.
Tracing over an image works best if the image has a small negative offset, for example, -0.1 mm, from the working plane. This means that the image will be slightly behind the plane where you draw your 2D geometry, so you won't draw on the image itself.

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The offset of the image can be set during import, or changed later through its properties.


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[[Category:User Documentation]]
[[Category:Workbenches]]

[[Category:Image]]

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Revision as of 11:29, 1 April 2019

Introduction

The Image Workbench manages different types of bitmap images, and allows you to open them in FreeCAD.

Currently, the module supports opening BMP, JPG, PNG, and XPM file formats.

Tools

  • Open: open an image on a new viewport.
  • Import to plane: import an image to a plane in the 3D view.
  • Scaling: scale an image imported to a plane.

Features

  • Like a Sketch, an imported image can be attached to one of the main planes XY, XZ, or YZ, and given a positive or negative offset.
  • The image is imported with relation of 1 pixel to 1 millimeter.
  • The recommendation is to have the imported image at a reasonable resolution.

Workflow

A major use of this workbench is tracing over the image, with the Draft or Sketcher tools, in order to generate a solid body based on the contours of the image.

Tracing over an image works best if the image has a small negative offset, for example, -0.1 mm, from the working plane. This means that the image will be slightly behind the plane where you draw your 2D geometry, so you won't draw on the image itself.

The offset of the image can be set during import, or changed later through its properties.