| Route |
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| Routing style | How each flow travels between its nodes. Routes that double back are always squared off, so curves never cut a node. - Polyline — straight runs joined by a single diagonal.
- Octilinear — like Polyline, but every diagonal sits at exactly 45°.
- Orthogonal — right angles only, stepping across in one move.
- Smooth — circular arcs at every turn.
Route handles are only shown in Power BI's edit mode. Drag one to reshape a flow; double-click it to put it back. - End handles sit where a flow leaves or enters a node. They slide only perpendicular to the node face, setting how far the flow runs straight out of or into the node before it turns.
- The middle handle slides the step or diagonal across, moving both of its ends together.
- Orthogonal offers the middle handle only; its lead-ins stay uniform across the diagram.
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| Curvature | Corner radius where a route turns, as a percentage of the diagram spacing; 0 gives sharp right angles. Changing it clears any corner radius you set by hand, so every corner follows the slider. |
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| Straighten | Nudges nodes a little so routes that are nearly straight become exactly straight. Higher settings allow bigger nudges and straighten busier nodes. Set to 0 to leave node positions exactly where the grid puts them. |
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| Route around nodes | Steers a flow around any node it would otherwise pass straight through. |
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| Width |
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| Flow width | How thick flows are drawn, as a percentage of the default. Nodes scale with it. Past about 150% busy nodes start to touch; at the top of the range they fill the visual's height and stop growing. |
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| Fixed flow baseline | Measures flows against a value you set, not the busiest node, so the same size draws the same width under any slicer selection. Off, flows fill the visual and widths compare only within one selection. |
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| Current | The busiest node's throughput at the current selection, in the units of the Value field. While Fixed flow baseline is off, this is what one full node thickness means. |
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| Baseline value | The throughput one full node thickness represents, in the Value field's units. Set it at or above the busiest node in any selection (node totals are on tooltips). Used only when Fixed flow baseline is on. |
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| Gaps |
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| Between flows | The gap between side-by-side flows entering a node, and between coloured bands inside one flow, as a percentage of the diagram spacing. Bands keep full width; nodes grow. For lines without node growth see Colour > Border. |
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| Where flows cross | Where one flow crosses OVER another, erase a gap this wide around it out of the flow underneath, in pixels. Only flows that actually cross are affected; flows running side by side are held apart by Between flows instead. |
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| Colour |
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| Default flow colour | The colour of flows that have no flow type — which is every flow when no Flow type field is bound. Flows that do have a type take their type's colour instead; use Show editor below to set those. |
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| Border | Draws a border inside every flow, so a flow is still exactly as wide as its value. Theme text colour unless Border colour says otherwise. Dashed reads as projected or estimated. Show editor sets one type differently. |
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| Border colour | Automatic draws borders in the theme's text colour. Choose Custom to pick one colour for every bordered flow and arrow. Ignored in high contrast, where the foreground is the only ink the mode allows. |
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| Custom border colour | Used when Border colour is set to Custom. |
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| Per Flow Type |
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| Flow type textures | Fills each flow type with its own texture instead of a flat colour, allocated in legend order. Auto-hatching uses lines; Auto-pattern uses waves, dots and diamonds. Pick or flatten one type in Show editor. |
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| Texture colour | Follow flow type draws each texture in its type's colour. Monotone uses one colour for all (Automatic is the theme's text colour, or Custom), so types differ by pattern alone. Textured flows only; not in high contrast. |
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| Custom texture colour | Used when Texture colour is set to Custom. |
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| Texture background | What sits behind a texture: the report background, the flow type's colour (pair with Texture colour set to Contrast with background for tone-on-tone), or one Custom colour. Textured flows only; not in high contrast. |
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| Custom texture background | Used when Texture background is set to Custom. |
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| Show editor | Opens a list of the flow types in the visual, with a colour for each. A colour chosen there beats a Flow colour from the data, which beats the automatic palette. Only shown in Power BI's edit mode. |
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| Reset colour edits | Clears every colour, name, texture and border chosen in the flow type editor, so each flow type follows the data and this card again. |
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The flow type editorShow editor on this card opens it over the diagram, with one row per flow type. Here the flow type RFNBO has been given its own colour, a texture and a dashed border. - Title bar Drag it to move the editor. Done closes it. Only shown in Power BI's edit mode.
- Colour Opens a colour picker. A colour chosen here beats a Flow colour from the data, which beats the automatic palette.
- Preview The flow type as it is drawn now: its colour, or its texture in the ink and background chosen.
- Flow type The name shown in the legend and tooltips. Edit it to rename the type here; empty it to go back to the data’s name.
- Texture Auto follows the Flow type textures setting on the Flows card; Flat holds this type flat; or pick one of the textures.
- Ink / back The texture’s colour and the colour behind it. Double-click one to hand it back to the Flows card.
- Border Auto follows the Flows card; or give this type no edge, a solid edge, or a dashed edge for projected or estimated flows.
- Where the colour comes from Chosen here, From data (with the data’s colour), or Automatic (the palette).
- Reset Clears everything chosen here for this flow type. Appears only when there is something to clear.
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