vtkBoxWidget2 shows a bounding box outline, the face of the box can be picked and moved to scale the object inside the bounding box. After rotating, translating, and scaling, we can ensure the inside item change shape and position with Read more…
The log file is important for the developer to debug, it also ensures that the user will not be distracted by program message. Python provides module logging to help developers to complete the task conveniently, we can set customized format Read more…
The article shows a few kinds of widgets which are used to measure the distance between two points, angle between two rays, and the bidimensional length of an object. Distance Measure The Distance On 2D Model We need vtkDistanceWidget, vtkDistanceRepresentation2D Read more…
Emperor Ku is the grandson of Huangdi, he was smart and could speak when he was a child, the man had excellent character and was good at handling life affairs. Ku was chosen as an assistant by the Emperor Huangdi Read more…
We want to put points on the three-dimensional model sometimes, it’s better if these control points can be moved around the item and project generates a new interpolation line dynamically. VTK provides a tool for us to do it easily. Read more…
The article shows how to create a simple vtk render window project. We need cmake and the visualization toolkit installed. This example uses C plus plus programming language to create and show a cone in the 3D world. CMakeLists.txt cmake_minimum_required(VERSION Read more…
Independent Thread We want to run a single task in an independent thread in a convenient way in some scenarios. It is common in data process and UI interaction event, for example, we want to use QMovie object to play Read more…
Git Rebase git rebase [ []] git wiil go to another branch by command git checkout firstly and then apply the commits on it to area. We wiil start with the example showed in the last article Git Diff Different Read more…
We want to compare the current branch and another branch to find the changes since they diverged. For example, we create a new branch dev from branch master and add a few commits, the branch master also update after diverging. Read more…