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Graphics disappear when zoom in

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2

Recently I have this really weird bug :
I have a new graphics-layer, that I build on runtime, with a point-graphic in it.
On higher extent - ever thing's great, on lower extent (zoom-in) the graphic disappears.

I found, while debugging, that the graphics "_shape" & "_offsets" properties are null when it disappears.

I also noticed that the layer's properties "minSacle" & "maxScale" are both 0 and "visibleAtMapScale" & "visible" are true.

Beside that, everything looks as usual - the graphic stays visible and at the layer's graphics array.

arcgis-javascript-api

share|improve this question

edited Dec 20 '16 at 15:29

whyzar

10.7k92866

asked Dec 20 '16 at 15:22

OphirOphir

111

bumped to the homepage by Community♦ 22 mins ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

2

Recently I have this really weird bug :
I have a new graphics-layer, that I build on runtime, with a point-graphic in it.
On higher extent - ever thing's great, on lower extent (zoom-in) the graphic disappears.

I found, while debugging, that the graphics "_shape" & "_offsets" properties are null when it disappears.

I also noticed that the layer's properties "minSacle" & "maxScale" are both 0 and "visibleAtMapScale" & "visible" are true.

Beside that, everything looks as usual - the graphic stays visible and at the layer's graphics array.

arcgis-javascript-api

share|improve this question

edited Dec 20 '16 at 15:29

whyzar

10.7k92866

asked Dec 20 '16 at 15:22

OphirOphir

111

bumped to the homepage by Community♦ 22 mins ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

Recently I have this really weird bug :
I have a new graphics-layer, that I build on runtime, with a point-graphic in it.
On higher extent - ever thing's great, on lower extent (zoom-in) the graphic disappears.

I found, while debugging, that the graphics "_shape" & "_offsets" properties are null when it disappears.

I also noticed that the layer's properties "minSacle" & "maxScale" are both 0 and "visibleAtMapScale" & "visible" are true.

Beside that, everything looks as usual - the graphic stays visible and at the layer's graphics array.

arcgis-javascript-api

share|improve this question

edited Dec 20 '16 at 15:29

whyzar

10.7k92866

asked Dec 20 '16 at 15:22

OphirOphir

111

share|improve this question

edited Dec 20 '16 at 15:29

whyzar

10.7k92866

asked Dec 20 '16 at 15:22

OphirOphir

111

share|improve this question

edited Dec 20 '16 at 15:29

whyzar

10.7k92866

asked Dec 20 '16 at 15:22

OphirOphir

111

edited Dec 20 '16 at 15:29

whyzar

10.7k92866

edited Dec 20 '16 at 15:29

whyzar

10.7k92866

asked Dec 20 '16 at 15:22

OphirOphir

111

asked Dec 20 '16 at 15:22

OphirOphir

111

1 Answer
1

active

oldest

votes

0

This can happen if you change the graphic's geometry properties manually rather than using the graphic's setGeometry() method.

For example, let's say you create a point graphic:

var graphic = new Graphic(new Point(point), symbol));            

map.graphics.add(graphic);

Then later you modify the geometry's x and y values.

graphic.geometry.x = newX;

graphic.geometry.y = newY;

map.graphics.redraw();

This approach seems to work fine until you start zooming or panning. Whenever you move to an extent that does not include the graphic's initial point, the graphic disappears. So setGeometry() must call additional code for everything to work properly.

share|improve this answer

answered Aug 23 '18 at 16:03

James LawrukJames Lawruk

70648

add a comment | 

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0

This can happen if you change the graphic's geometry properties manually rather than using the graphic's setGeometry() method.

For example, let's say you create a point graphic:

var graphic = new Graphic(new Point(point), symbol));            

map.graphics.add(graphic);

Then later you modify the geometry's x and y values.

graphic.geometry.x = newX;

graphic.geometry.y = newY;

map.graphics.redraw();

This approach seems to work fine until you start zooming or panning. Whenever you move to an extent that does not include the graphic's initial point, the graphic disappears. So setGeometry() must call additional code for everything to work properly.

share|improve this answer

answered Aug 23 '18 at 16:03

James LawrukJames Lawruk

70648

add a comment | 

0

This can happen if you change the graphic's geometry properties manually rather than using the graphic's setGeometry() method.

For example, let's say you create a point graphic:

var graphic = new Graphic(new Point(point), symbol));            

map.graphics.add(graphic);

Then later you modify the geometry's x and y values.

graphic.geometry.x = newX;

graphic.geometry.y = newY;

map.graphics.redraw();

This approach seems to work fine until you start zooming or panning. Whenever you move to an extent that does not include the graphic's initial point, the graphic disappears. So setGeometry() must call additional code for everything to work properly.

share|improve this answer

answered Aug 23 '18 at 16:03

James LawrukJames Lawruk

70648

add a comment | 

This can happen if you change the graphic's geometry properties manually rather than using the graphic's setGeometry() method.

For example, let's say you create a point graphic:

var graphic = new Graphic(new Point(point), symbol));            

map.graphics.add(graphic);

Then later you modify the geometry's x and y values.

graphic.geometry.x = newX;

graphic.geometry.y = newY;

map.graphics.redraw();

This approach seems to work fine until you start zooming or panning. Whenever you move to an extent that does not include the graphic's initial point, the graphic disappears. So setGeometry() must call additional code for everything to work properly.

share|improve this answer

answered Aug 23 '18 at 16:03

James LawrukJames Lawruk

70648

var graphic = new Graphic(new Point(point), symbol));            

map.graphics.add(graphic);

graphic.geometry.x = newX;

graphic.geometry.y = newY;

map.graphics.redraw();

share|improve this answer

answered Aug 23 '18 at 16:03

James LawrukJames Lawruk

70648

answered Aug 23 '18 at 16:03

James LawrukJames Lawruk

70648

answered Aug 23 '18 at 16:03

James LawrukJames Lawruk

70648