What can you do with a map canvas?
Typical map canvas items are rubber bands (used for measuring, vector editing etc.) or vertex markers. The canvas items are usually used to give visual feedback for map tools, for example, when creating a new polygon, the map tool creates a rubber band canvas item that shows the current shape of the polygon.
What do you do with the map canvas in QGIS?
The QgsMapCanvas class also controls refreshing of the rendered map. Besides this item which acts as a background, there may be more map canvas items. Typical map canvas items are rubber bands (used for measuring, vector editing etc.) or vertex markers.
What does it mean to have multiple Canvas objects?
Also, having multiple canvas objects could cause you problems aswell, take a look at Panels and Layout Groups. A Text (or UI-Text) is an object that is inside a canvas to display text on the canvas space.
Can a text mesh be attached to a canvas object?
A text mesh on the other hand is an object that is rendered inside your world, in 3D space, meaning it does (and probably should not) be attached to a Canvas object. Not the answer you’re looking for? Browse other questions tagged unity3d or ask your own question.
What do the canvas items do in qgsmapcanvasitem?
The canvas items are usually used to give some visual feedback for map tools, for example, when creating a new polygon, the map tool creates a rubber band canvas item that shows the current shape of the polygon. All map canvas items are subclasses of QgsMapCanvasItem which adds some more functionality to the basic QGraphicsItem objects.
How to save canvas as an image with Stack Overflow?
Similar to 1000Bugy’s answer but simpler because you don’t have to make an anchor on the fly and dispatch a click event manually (plus an IE fix). If you make your download button an anchor you can highjack it right before the default anchor functionality is run.
Which is an example of a canvas item?
Typical map canvas items are rubber bands (used for measuring, vector editing etc.) or vertex markers. The canvas items are usually used to give some visual feedback for map tools, for example, when creating a new polygon, the map tool creates a rubber band canvas item that shows the current shape of the polygon.