Polar multi-selection

1. An apparatus comprising:

a display to display a visualization comprising a plurality of elements;

an input device to receive user input; and

a processor to:

detect a first user input received by the input device at a first location of the visualization;

in response to detection of the first input, control the display to display a first indicator connecting a third location of the visualization to the first location;

determine one of the plurality of elements located at least partially at the first location;

control the display to display the one of the plurality of elements as selected;

detect a second user input received by the input device at a second location of the visualization;

in response to detection of the second input, control the display to display a second indicator connecting the third location to the second location and to display a circular sector having a first radius from the third location to the first location and a second radius from the third location to the second location;

determine one or more of the plurality of elements located at least partially within the circular sector; and

control the display to display the one or more of the plurality of elements located at least partially within the circular sector as selected.

2. The apparatus according to claim 1 , wherein the second user input comprises a drag input from the first location to the second location.

3. The apparatus according to claim 2 , the processor further to:

detect a third user input received by the input device at a fourth location of the visualization;

in response to detection of the third input, control the display to display a third indicator connecting the third location of the visualization to the fourth location and to display a second circular sector having the first radius from the third location to the first location and a second radius from the third location to the fourth location;

determine a second one or more of the plurality of elements located at least partially within the second circular sector; and

control the display to display the second one or more of the plurality of elements located at least partially within the second circular sector as selected,

wherein the second one or more of the plurality of elements includes the one or more of the plurality of elements and one or more additional ones of the plurality of elements.

4. The apparatus according to claim 1 , the processor further to:

detect a third user input received by the input device at a fourth location of the visualization;

in response to detection of the third input, control the display to display a third indicator connecting the third location of the visualization to the fourth location and to display a second circular sector having the first radius from the third location to the first location and a second radius from the third location to the fourth location;

determine a second one or more of the plurality of elements located at least partially within the second circular sector; and

control the display to display the second one or more of the plurality of elements located at least partially within the second circular sector as selected,

wherein the one or more of the plurality of elements includes the second one or more of the plurality of elements and one or more additional ones of the plurality of elements.

5. The apparatus according to claim 1 , wherein the visualization comprises a radial chart, and wherein the third location is the center of the radial chart.

6. A non-transitory computer-readable medium having program code stored thereon, the program code executable by a processor to cause an apparatus to:

display a visualization including a plurality of elements;

detect a first user input received at a first location of the visualization;

in response to detection of the first input, control the display to display a first indicator connecting a third location of the visualization to the first location;

determine one of the plurality of elements located at least partially at the first location;

display the one of the plurality of elements as selected;

detect a second user input received at a second location of the visualization;

in response to detection of the second input, control the display to display a second indicator connecting the third location to the second location and to display a circular sector having a first radius from the third location to the first location and a second radius from the third location to the second location;

determine one or more of the plurality of elements located at least partially within the circular sector; and

display the one or more of the plurality of elements located at least partially within the circular sector as selected.

7. The medium according to claim 6 , wherein the second user input comprises a drag input from the first location to the second location.

8. The medium according to claim 7 , the program code executable by a processor to cause an apparatus to:

detect a third user input received at a fourth location of the visualization;

in response to detection of the third input, control the display to display a third indicator connecting the third location of the visualization to the fourth location and to display a second circular sector having the first radius from the third location to the first location and a second radius from the third location to the fourth location;

determine a second one or more of the plurality of elements located at least partially within the second circular sector; and

display the second one or more of the plurality of elements located at least partially within the second circular sector as selected,

wherein the second one or more of the plurality of elements includes the one or more of the plurality of elements and one or more additional ones of the plurality of elements.

9. The medium according to claim 6 , the program code executable by a processor to cause an apparatus to:

detect a third user input received by the input device at a fourth location of the visualization;

in response to detection of the third input, control the display to display a third indicator connecting the third location of the visualization to the fourth location and to display a second circular sector having the first radius from the third location to the first location and a second radius from the third location to the fourth location;

determine a second one or more of the plurality of elements located at least partially within the second circular sector; and

present the second one or more of the plurality of elements located at least partially within the second circular sector as selected,

wherein the one or more of the plurality of elements includes the second one or more of the plurality of elements and one or more additional ones of the plurality of elements.

10. The medium according to claim 6 , wherein the visualization comprises a radial chart, and wherein the third location is the center of the radial chart.

11. A method comprising:

displaying a visualization including a plurality of elements on a display;

detecting a first user input received at a first location of the visualization on the display;

in response to detection of the first input, control the display to display a first indicator connecting a third location of the visualization to the first location;

determining one of the plurality of elements located at least partially at the first location;

displaying the one of the plurality of elements as selected;

detecting a second user input received at a second location of the visualization on the display;

in response to detection of the second input, control the display to display a second indicator connecting the third location to the second location and to display a circular sector having a first radius from the third location to the first location and a second radius from the third location to the second location;

determining one or more of the plurality of elements located at least partially within the circular sector; and

displaying the one or more of the plurality of elements located at least partially within the circular sector as selected.

12. The method according to claim 11 , wherein the second user input comprises a drag input from the first location to the second location.

13. The method according to claim 12 , further comprising:

detecting a third user input received at a fourth location of the visualization;

in response to detection of the third input, control the display to display a third indicator connecting the third location of the visualization to the fourth location and to display a second circular sector having the first radius from the third location to the first location and a second radius from the third location to the fourth location;

determining a second one or more of the plurality of elements located at least partially within the second circular sector; and

displaying the second one or more of the plurality of elements located at least partially within the second circular sector as selected,

wherein the second one or more of the plurality of elements includes the one or more of the plurality of elements and one or more additional ones of the plurality of elements.

14. The method according to claim 11 , further comprising:

detecting a third user input received by the input device at a fourth location of the visualization;

determining a second one or more of the plurality of elements located at least partially within a second circular sector having the first radius from the third location of the visualization to the first location and a second radius from the third location to the fourth location; and

displaying the second one or more of the plurality of elements located at least partially within the second circular sector as selected,

wherein the one or more of the plurality of elements includes the second one or more of the plurality of elements and one or more additional ones of the plurality of elements.

15. The method according to claim 11 , wherein the visualization comprises a radial chart, and wherein the third location is the center of the radial chart.